Bolthole Index

Warren County, Pennsylvania

Building permits, zoning and land rules in Warren County, Pennsylvania

76Index Score / 100
#19 of 67 in Pennsylvania

Warren County, Pennsylvania requires building permits for new homes and residential additions, and the municipality or its contracted inspection agency issues them, not one county office12. Warren County's own zoning ordinance covers only some of the county's 27 municipalities, while the City of Warren and Youngsville run their own zoning3. Septic permits come from each municipality's Sewage Enforcement Officer, whichever office handles building permits or zoning4.

At a glance

Building permit
Required for new homes and residential additions; the responsible issuer varies by municipality1
Zoning
The county ordinance covers only some of the 27 municipalities; the City of Warren and Youngsville run their own zoning53
Septic
A permit is generally required from the applicable local agency before installing or using an on-lot system67
RV living
In county-zoned areas, an RV cannot be a dwelling; temporary accommodation is limited to 180 days per calendar year8
Tiny home
A tiny home that qualifies as an RV or park model (400 sq ft or less) is never a dwelling in county-zoned areas; no countywide rule for a site-built tiny home is confirmed92
Owner-builder
No general exemption from permits or inspections is confirmed10
Private well
Commercial drillers need state licensing and permits; a homeowner drilling on owned or leased land is outside that licensing requirement11
Agricultural building
A qualifying nonhabitable agricultural building is excluded from the Pennsylvania construction code, but other land-use rules can still apply12

Who to call

Zoning

Warren County Planning & Zoning

County zoning administration, subdivision and land-development administration, floodplain information, and referrals to municipal building-code agencies

814-728-3512

204 4th Avenue, Warren, PA 16365

Floodplain permits

Warren County Floodplain Administrator

Floodplain questions within the Planning & Zoning office

814-728-3514

agonzales@warrencountypa.gov

204 4th Avenue, Warren, PA 16365

Contact details are copied from each office’s official page and were checked against it on October 9, 2026.

Off-grid gear

Going off-grid in Warren County means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Warren County, Pennsylvania?

Yes. Warren County's guidance says building permits are required for every new home and residential addition, regardless of whether county-administered zoning applies to the parcel1. The requirement also covers miscellaneous-use structures larger than 1,000 square feet, subject to stated construction-code exclusions1. Agricultural buildings may be excluded from the Pennsylvania Uniform Construction Code, but that exclusion does not settle zoning, septic, subdivision or floodplain approvals13. A noncommercial recreational cabin may also qualify for a limited exclusion with smoke- and carbon-monoxide-detector conditions14. Identify the municipality first and have its building-code administrator confirm the forms, fee and inspections; permit costs vary by municipality or inspection agency15.

Who issues Warren County building permits, and how do you reach them?

Warren County does not provide one countywide building-permit counter; the responsible municipality or contracted third-party agency administers construction-code permits and inspections12. Warren County Planning & Zoning publishes municipal building-code referrals and identifies Bureau Veritas and Building Inspectors Underwriters as non-county agencies serving municipalities16. Start with Warren County Planning & Zoning at 814-728-3512 or 204 4th Avenue, Warren, PA 16365 to identify the zoning path and correct building contact16. Building-code inspections apply to covered building, electrical, gas, mechanical, plumbing, pool, hot-tub and manufactured-housing work17. A covered residential building may not be occupied until the building-code official issues a certificate of occupancy18.

Does Warren County, Pennsylvania have zoning?

The Warren County Zoning Ordinance covers the municipalities listed in its Section 301.2: Clarendon, Sugar Grove, Tidioute, Columbus, Conewango, Deerfield, Eldred, Elk, Farmington, Glade, Mead, Pine Grove, Pleasant and Southwest, 14 in all, although the county's planning page describes administration in 12 of 27 municipalities, so confirm coverage with Planning & Zoning.19 The City of Warren and Youngsville administer their own zoning, and other municipalities may have different local rules.3 In county-zoned areas, the ordinance publishes district-specific uses and dimensions rather than one countywide setback or height20. For example, the R-1 district has 30-foot front and rear setbacks, while a setback below the applicable district minimum requires a variance21. Height limits also vary by district and use, for example 35 feet in R-1 and V.22 In the ACR district, a single-family dwelling needs 1 acre, with front, side and rear setbacks of 50, 12 and 40 feet.2324 A county zoning permit expires after 12 months unless an extension is approved.25 County-zoned properties need a certificate of occupancy before vacant land or a new, moved, altered or enlarged structure is used, and for specified use changes26. Warren County Planning & Zoning also administers subdivision and land-development review, subject to municipal exceptions2716. No countywide minimum dwelling floor area was confirmed; ask the zoning administrator for the parcel's municipality and district.

How do septic permits work in Warren County, Pennsylvania?

An individual or community on-lot sewage system generally needs a permit from the applicable local agency before installation, construction, occupancy or use7. In Pennsylvania, local agencies carry out on-lot permitting and enforcement, so the permit contact is the municipality's certified Sewage Enforcement Officer rather than one universal Warren County septic counter2829. Ask the township, borough or city to identify its current Sewage Enforcement Officer before ordering a system design. Site conditions deserve early attention: 0% of Warren County soils are rated without severe limitations for a conventional septic drain field, so a site evaluation may drive the system choice and budget30. A narrow state exemption can apply on a contiguous tract of at least 10 acres, but it carries owner-of-record, family-use, local-ordinance, notice and siting conditions and is not a general large-lot waiver7. A new home using pressurized water in the county zoning process needs a current sewage permit, or a municipal hook-up permit when connecting to public sewer31.

Can you live in an RV or tiny home in Warren County, Pennsylvania?

In areas governed by the Warren County Zoning Ordinance, an RV may not be used as a permanent or temporary dwelling; temporary accommodation is limited to 180 days in a calendar year8. Because the county ordinance covers only some of Warren County's 27 municipalities, ask the applicable township, borough, city or county zoning office for the rule outside county-zoned areas5. A tiny home that qualifies as a recreational vehicle or an ANSI A119.5 park model, which may not exceed 400 square feet, is never a permanent or temporary dwelling under the county ordinance.9 Within county-zoned areas, an RV may be parked or stored on the owner's lot in any district without a zoning permit.9 We could not confirm a countywide rule or minimum floor area for a site-built tiny home. A tiny home intended as a residence still faces Pennsylvania's statewide construction code and the zoning, sewage and occupancy approvals applicable to the parcel27. In county-zoned areas, manufactured homes are allowed on individual lots only when district area and yard standards are met, and they cannot be used as accessory structures or storage sheds32.

What are the steps to build a home in Warren County, Pennsylvania?

  1. Identify the township, borough or city, because it or a contracted agency administers the statewide construction code2.
  1. Ask Warren County Planning & Zoning whether county zoning covers the municipality, or whether the municipality zones for itself, and confirm the parcel's district and proposed use316.
  1. Secure the on-lot sewage permit from the applicable local agency, or a municipal sewer hook-up permit where public sewer serves the site431.
  1. Obtain stormwater and other local or state approvals, then submit the plot plan and completed zoning application; county processing can take 45 days after an application is complete33.
  1. Obtain the required new-driveway permit under the county ordinance, or a PennDOT Highway Occupancy Permit for access affecting a state highway3435.
  1. Apply to the municipality or assigned inspection agency for the building permit before work starts1.
  1. Complete inspections and obtain the applicable occupancy certificates before using the home1718.

What should you check before buying land in Warren County, Pennsylvania?

Confirm the municipality first, because it determines the building-code administrator, zoning authority and local Sewage Enforcement Officer2364. Test septic feasibility before treating a lot as buildable: 0% of county soils are rated without severe limitations for a conventional drain field30. Check slope and clearing costs as well; 62.1% of the land is at a slope of 15% or less, while 87.3% is wooded3738. Ask the Warren County Floodplain Administrator at 814-728-3514 whether the site is mapped in a floodplain; county-ordinance areas require a zoning permit before floodplain construction or development3940. If the tract was recently divided, confirm that its subdivision plan was approved and recorded before relying on it for a building permit27. For carrying costs, the effective property-tax rate is about 1.4%, with a median annual bill of about $1,6944142.

Watch-outs

  • County zoning does not cover every Warren County municipality, and the City of Warren and Youngsville run their own; confirm the parcel's township, borough or city before relying on county district standards.3
  • A land listing that calls a parcel buildable does not settle septic feasibility: 0% of county soils are rated without severe limitations for a conventional drain field30.
  • In county-zoned areas, an RV cannot serve as a dwelling and temporary accommodation is limited to 180 days per calendar year8.

Sources

  1. Building Inspection Information, quoted and re-checked
  2. Uniform Construction Code (UCC) (Pennsylvania statewide rule), quoted and re-checked
  3. Do I Need a Zoning Permit, a Building Permit, or Both?, quoted and re-checked
  4. Municipal On Lot Sewage Service Areas, quoted and re-checked
  5. Warren County Zoning Ordinance - amended February 18, 2026, quoted and re-checked
  6. Municipal On Lot Sewage Service Areas, quoted and re-checked
  7. 25 Pa. Code § 72.22. Permit issuance (Pennsylvania statewide rule), quoted and re-checked
  8. Warren County Zoning Ordinance - amended February 18, 2026, quoted and re-checked
  9. Warren County Zoning Ordinance, amended February 18, 2026, quoted and re-checked
  10. Pennsylvania Construction Code Act (2026 county census)
  11. Apply for a Water Well Drillers License and Rig Permit (Pennsylvania statewide rule), quoted and re-checked
  12. Pennsylvania Construction Code Act — Chapter 1 (Pennsylvania statewide rule), quoted and re-checked
  13. Building Inspection Information, quoted and re-checked
  14. Building Inspection Information, quoted and re-checked
  15. Building Inspection Information, quoted and re-checked
  16. Warren County Planning & Zoning (warrencountypa.gov)
  17. Apply for a Uniform Construction Code Building Permit, quoted and re-checked
  18. Part XIV, Uniform Construction Code, Chapter 403 Administration (Pennsylvania statewide rule), quoted and re-checked
  19. Warren County Zoning Ordinance - amended February 18, 2026, quoted and re-checked
  20. Planning & Zoning | Warren County, PA, quoted and re-checked
  21. Warren County Zoning Ordinance, quoted and re-checked
  22. Warren County Zoning Ordinance, quoted and re-checked
  23. Warren County Zoning Ordinance (amended February 18, 2026), quoted and re-checked
  24. Warren County Zoning Ordinance (amended February 18, 2026), quoted and re-checked
  25. Warren County Zoning Ordinance - amended February 18, 2026, quoted and re-checked
  26. Warren County Zoning Ordinance - amended February 18, 2026, quoted and re-checked
  27. Warren County Subdivision & Land Development Ordinance, quoted and re-checked
  28. Municipal On Lot Sewage Service Areas, quoted and re-checked
  29. PA DEP Sewage Enforcement Officers (Act 537) (2026 county census)
  30. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  31. Do I Need a Zoning Permit, a Building Permit, or Both?, quoted and re-checked
  32. Warren County Zoning Ordinance, quoted and re-checked
  33. Do I Need a Zoning Permit, a Building Permit, or Both?, quoted and re-checked
  34. Warren County Zoning Ordinance, quoted and re-checked
  35. Apply for a PennDOT Highway Occupancy Permit (Pennsylvania statewide rule), quoted and re-checked
  36. Planning & Zoning | Warren County, PA, quoted and re-checked
  37. Share of land at 15% slope or less: Bolthole Index county data
  38. Wooded share of land: Bolthole Index county data
  39. Warren County Floodplain Administrator (warrencountypa.gov)
  40. Warren County Zoning Ordinance, amended February 18, 2026, quoted and re-checked
  41. Effective property tax rate: Bolthole Index county data
  42. Median property tax bill: Bolthole Index county data

Written October 9, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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Compared with neighboring counties

Unlike all 6 of its neighbors, Warren County has countywide zoning.

RuleWarren CountyForest CountyVenango CountyClarion CountyElk CountyMcKean CountyCrawford County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredLimited
County zoningYesNoNoNoNoNoNo
Septic permitsPA DEP Act 537 Sewage Facilities ProgramMunicipal Sewage Enforcement OfficerMunicipal Sewage Enforcement OfficerMunicipal Sewage Enforcement OfficerMunicipal Sewage Enforcement OfficerMunicipal Sewage Enforcement OfficerMunicipal Sewage Enforcement Officer

County locator

Warren County in Pennsylvania

76
County map
Warren County highlighted among the Pennsylvania counties · colored by Index score

How Warren County scores

Seclusion77100% ev.
Self-Sufficiency57100% ev.
Admin Boringness4590% ev.
Durability69100% ev.
Property Autonomy68100% ev.
Carry Cost80100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$144kTypical home
1.4%Property tax
$3,633Land / acre
46.5"Annual rain
0% of yrsSevere drought
0.5 / yr (+0.5)Mid-century 100°F days
8.7 daysMid-century dry spell
1.58" (+7.4%)Mid-century 1-day rain
1.66×Wildfire change factor
100%Forward climate coverage
$899Home insurance / yr
-0.3% / yrInsurance growth
0.43%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
6,640People within 30 min
1,034,948People within 2 hr
36,890Radius comparison (15 mi)
42.5People / sq mi
27.6%Federal land
62.1%Land at 15% slope or less
0%Soils rated "not limited" for septic (strict USDA rating)
0 acWorkable land screen
87.3%Wooded land
78.2 tonsBiomass / forest ac
46.9°FAvg temp

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Cities and towns in Warren County

Inside a city, town or township here, that government usually sets zoning and may issue its own building permits; the county’s rules above cover land outside them.

Not yet researched: Borough of Bear Lake · Brokenstraw Township · Cherry Grove Township · Borough of Clarendon · Columbus Township · Conewango Township · Deerfield Township · Eldred Township · Elk Township · Farmington Township · Freehold Township · Glade Township · Limestone Township · Mead Township · Pine Grove Township · Pittsfield Township · Pleasant Township · Sheffield Township · Southwest Township · Spring Creek Township · Borough of Sugar Grove · Sugar Grove Township · Borough of Tidioute · Triumph Township · Watson Township · Borough of Youngsville

Answers from the rulebook for Warren County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Warren County rules

  • Building permitRequired

    New residential housing, residential additions, miscellaneous-use structures over 1,000 square feet, and commercial development in Warren County.

    • The county information states these permits are required regardless of zoning.
    • Agricultural buildings and certain other structures may be excluded under UCC Section 104.
    • Recreational cabins used for noncommercial purposes may be excluded subject to smoke and carbon-monoxide detector requirements.
    • Utility and miscellaneous-use structures accessory to detached single-family homes may be excluded from UCC coverage if less than 1,000 square feet.
    • Permits are obtained through the municipality, BIU, City of Warren, or Bureau Veritas depending on municipality.

    miscellaneous-use structure threshold: > 1000 sq ft (Certain UCC Section 104 exclusions apply)

    “Building permits are required for all new residential housing and residential additions.”
    One more reviewed finding on this topic
    • Required — New residential housing, residential additions, miscellaneous-use structures over 1,000 square feet, and commercial development in Warren County.
      “Building permits are required for all new residential housing and residential additions.”
  • Certificate of occupancyRequired

    Occupancy or use of vacant land and structures subject to the Warren County Zoning Ordinance, including new, reconstructed, moved, altered, enlarged, changed-use, and changed nonconforming uses.

    • The application must use county-approved forms as appropriate.
    • The application must include a fee set by the Board of Commissioners.
    • Appeals, special exceptions, and variances follow the Pennsylvania Municipalities Planning Code or other applicable state law.
    “A Certificate of Occupancy shall be required before the occupancy or use of any vacant land or before the occupancy or use of any structure hereafter constructed, reconstructed, moved, altered, or enlarged.”
    2 more reviewed findings on this topic
  • County-wide zoningPresent (with conditions)

    The Warren County Zoning Ordinance applies within the municipalities enumerated in Section 301.2, rather than uniformly throughout all 27 Warren County municipalities.

    • The ordinance identifies 14 covered municipalities: Clarendon, Sugar Grove, Tidioute, Columbus, Conewango, Deerfield, Eldred, Elk, Farmington, Glade, Mead, Pine Grove, Pleasant, and Southwest.
    • The ordinance states that additional municipalities may be added upon an official written request and amendment of the Warren County Zoning Map.
    • The ordinance was adopted August 13, 2008 and amended February 18, 2026.
    • The county planning webpage currently states that the county ordinance is administered in 12 of 27 municipalities, which conflicts with the current ordinance's Section 301.2 enumeration of 14 municipalities; the current ordinance is used for the municipality count.
    “301.2 Application: The Warren County Zoning Ordinance covers the municipalities of:”
    One more reviewed finding on this topic
    • Present (with conditions) — Administration of the Warren County Zoning Ordinance in the 12 Warren County municipalities covered by that ordinance.
      “Administration of the Warren County Zoning Ordinance in 12 of the county’s 27 municipalities”
  • Local zoningVaries (with conditions)

    Zoning administration across Warren County municipalities varies because the county ordinance applies only to the municipalities listed in Section 301.2; the record does not establish the zoning status or ordinance of each remaining municipality.

    • The current county ordinance lists 14 covered municipalities out of the county's 27 municipalities.
    • The county planning webpage describes administration of the county ordinance in 12 of 27 municipalities, but that count is inconsistent with the current ordinance.
    • This aggregate claim does not imply that Warren County administers every local zoning ordinance or that uncovered municipalities have no zoning regulations.
    “Administration of the Warren County Zoning Ordinance in 12 of the county’s 27 municipalities”
    3 more reviewed findings on this topic
    • Varies (with conditions) — Aggregate of municipal and county zoning within Warren County.
      “Administration of the Warren County Zoning Ordinance in 12 of the county’s 27 municipalities”
    • Varies (with conditions) — Aggregate of municipal and township zoning within Warren County; the county administers its zoning ordinance in only the municipalities identified by the county.
      “Administration of the Warren County Zoning Ordinance in 12 of the county’s 27 municipalities”
    • Varies (with conditions) — Aggregate of municipal and township zoning coverage across Warren County; the county administers its zoning ordinance in only 12 of 27 municipalities.
      “Administration of the Warren County Zoning Ordinance in 12 of the county’s 27 municipalities”
  • Zoning districtsPublished

    Zoning districts and related district regulations in the Warren County Zoning Ordinance.

    • The county publishes the Zoning Ordinance as an official document.
    • The county page states that the county ordinance is administered in 12 of 27 municipalities, so publication does not establish countywide application.
    “Zoning Ordinance - amended February 18-2026”
    2 more reviewed findings on this topic
    • Published — Zoning districts administered under the Warren County Zoning Ordinance.
      “Zoning Ordinance - amended February 18-2026”
    • Published (with conditions) — Zoning districts and district-specific dimensional standards in the Warren County Zoning Ordinance, where that ordinance is administered.
      “that portion of Warren County indicated on the Zoning Map is hereby divided into the following nine (9) classes or districts and two overlay districts:”
  • Minimum dwelling sizeSpecified

    Three or more residences above a business use on upper floors in the Warren County B District, treated as a special exception.

    • The rule applies specifically to residences above business use in the B District.
    • The use must provide at least 500 square feet of usable space per dwelling unit.
    • Non-family households may not exceed four persons.
    • Off-street parking must be provided on-lot or within 400 feet of the proposed dwelling.
    • Adequate off-street parking is mandatory to maintain the secondary residence use.
    • Each secondary dwelling must be shown to be adequately accommodated with sanitary sewerage services.
    • The lot must contain at least 12,000 square feet.
    • Residence uses are not allowed on parcels where dangerous or flammable liquids are stored or used.

    minimum usable space per dwelling unit: >= 500 square feet (residences above business use in the B District) · maximum non-family household size: <= 4 persons (residences above business use in the B District) · maximum parking distance: <= 400 feet (when parking is not provided on-lot) · minimum lot area: >= 12000 square feet (residences above business use in the B District)

    “Residences above Business Use: This special exception is specifically designed to allow three (3) or more residential units in the B District on the upper floors. In addition to meeting other applicable regulations outlined in this Ordinance, such uses shall: 401.35.1 Provide at least five hundred (500) square feet of usable space per dwelling unit. Non-family households shall not exceed four (4) persons. 401.35.2 Provide for off-street parking for occupants, on-lot, or within four hundred (400) feet of the proposed dwelling. The provision of adequate off-street parking shall be mandatory to maintain a secondary residence use. 401.35.3 Present proof that each secondary dwelling can be adequately accommodated with sanitary sewerage services. 401.35.4 The lot area shall be at least twelve thousand (12,000) square feet. 401.35.5 Residence uses will not be allowed on parcels where dangerous or flammable liquids are stored or used.”
    One more reviewed finding on this topic
    • District specific (with conditions) — Residences above business uses in the Warren County B District, specifically three or more residential units on upper floors.
      “401.35 Residences above Business Use: This special exception is specifically designed to allow three (3) or more residential units in the B District on the upper floors. In addition to meeting other applicable regulations outlined in this Ordinance, such uses shall: 401.35.1 Provide at least five hundred (500) square feet of usable space per dwelling unit. Non-family households shall not exceed four (4) persons.”
  • Minimum lot sizeDistrict specific (with conditions)

    Lots in Warren County zoning districts, including the ACR district.

    • In the ACR district, single-family dwellings require 1 acre, two single-family dwellings require 1.5 acres, and all other uses require 1 acre.
    • Applicants for new structures must present a municipal Sewage Enforcement Officer permit when required by the Pennsylvania Sewage Facilities Act.
    • Municipal sewage uses require municipal-authority approval before the zoning application can be considered.
    • On lots of 1.5 acres or more, two separate dwelling units may be permitted.

    ACR minimum lot area for single-family dwellings: 1 acre · ACR minimum lot area for two single-family dwellings: 1.5 acres · ACR minimum lot area for all other uses: 1 acre

    “Single-Family Dwellings Two-Single Family Dwellings All Other Uses Minimum Lot Area* 1 Acre 1.5 Acres 1 Acre”
  • SetbacksDistrict specific (with conditions)

    Setbacks in Warren County’s ACR zoning district.

    • ACR minimum front-yard setback is 50 feet, side-yard setback is 12 feet, and rear-yard setback is 40 feet.
    • A proposed setback below the district minimum requires a variance approved by the Zoning Hearing Board.
    • Setback is measured from a municipal right-of-way or property line.
    • Wetland development requires the listed Army and Pennsylvania Department of Environmental Protection permits, and applicable Nationwide Permit conditions.

    ACR minimum front-yard setback: 50 feet · ACR minimum side-yard setback: 12 feet · ACR minimum rear-yard setback: 40 feet

    “Minimum Front Yard Setback (3) 50 Feet 50 Feet 50 Feet Minimum Side Yard Setback(3) 12 Feet 12 Feet 12 Feet”
    One more reviewed finding on this topic
    • Specified — Setbacks in Warren County zoning districts.
      “The proposed SETBACK is subject to the minimum requirements of the Zoning District in which the project is taking place. Any proposed setback not meeting the minimum requirement would require a variance as approved by the Zoning Hearing Board.”
  • Building heightSpecified

    Buildings in Warren County zoning districts.

    • Height limits vary by zoning district and use.
    • The V-Village table lists a 35-foot maximum height.
    • The I-Industrial table lists a 40-foot maximum height.

    V-Village maximum height: 35 feet · I-Industrial maximum height: 40 feet

    “Maximum Height 40 Feet Maximum Lot Coverage 40%”
    One more reviewed finding on this topic
    • Specified — Building heights in Warren County zoning districts.
      “Maximum Height 60 Feet Maximum Lot Coverage**** 75%”
  • Living in an RVLimited

    Recreational-vehicle occupancy under the Warren County Zoning Ordinance.

    • An RV is designed for temporary accommodation, recreational, camping, or seasonal use only.
    • An RV may not be used as a permanent or temporary dwelling.
    • Temporary accommodation may occur for no more than 180 days in any calendar year.

    maximum temporary accommodation: <= 180 days per calendar year

    “Such temporary housing may occur for no more than one hundred-eighty (180) days in any calendar year.”
  • Camping on your landLimited

    Temporary camping or temporary housing in a recreational vehicle under the county zoning ordinance.

    • The use is limited to temporary accommodation and may occur no more than 180 days in any calendar year.
    • The RV may not be used as a permanent or temporary dwelling.

    maximum temporary accommodation: <= 180 days per calendar year

    “Recreational, Camping, or Seasonal Use – activities affording relaxation and enjoyment by means of a temporary accommodation, irregular use, and a limited time frame.”
  • Tiny homesLimited

    Tiny homes that qualify under the Warren County ordinance as recreational vehicles or ANSI A119.5 park model recreational vehicles.

    • The ordinance defines recreational vehicles, including park models, as temporary accommodation for recreational, camping, or seasonal use only.
    • They may never be used as a permanent or temporary dwelling under the ordinance’s general definition.
    • ANSI A119.5 park model homes may not exceed 400 square feet.
    • RVs must have permanently mounted lights and be registered through the DMV.
    • RVs cannot be considered mobile homes or manufactured housing.
    • RVs may be parked or stored on the owner’s lot in all zoning districts without a zoning permit.
    • Temporary housing may occur for no more than 180 days in any calendar year.
    • RVs without current inspection or registration are treated as abandoned vehicles, and RVs cannot be used as storage sheds.

    maximum park-model area: <= 400 square feet (ANSI A119.5 park model recreational vehicles) · temporary accommodation duration: <= 180 days per calendar year (transportable RV not attached to the ground, another structure, or utilities other than electric)

    “Recreational Vehicles (including Park Models) – for the purposes of this ordinance, a Recreational Vehicle, either motorized or towed, is designed to provide temporary accommodation for recreational, camping, or seasonal use only and shall never be utilized as a permanent or temporary dwelling. Park Model Homes or other structures certified to meet ANSI A119.5 (Standard for Park Model Recreational Vehicles) will not be more than 400 sq ft. RVs will have permanently mounted lights and be registered through the DMV. Recreational vehicles cannot be considered a mobile home or manufactured housing. Recreational vehicles may be parked and or stored on the owner’s lot in all zoning districts without requiring zoning permits. Recreational Vehicles that no longer have a current inspection or registration as required by the PA Vehicle Code shall be considered an abandoned vehicle per Section 518 of the Warren County Zoning Ordinance. Recreational vehicles cannot be used as storage sheds. (a) Temporary accommodation - Any Recreational Vehicle (RV) used for human shelter and designed to be transportable and not attached to the ground, to another structure, or to any utilities (excluding electric) system on the same premises. Such temporary housing may occur for no more than one hundred-eighty (180) days in any calendar year.”
  • Manufactured homesLimited

    Individual mobile/manufactured homes in areas governed by the Warren County Zoning Ordinance.

    • The proposed lot must meet all area and yard requirements of the zoning district.
    • Mobile homes are for dwelling purposes only and may not be used as an accessory structure or storage shed.
    • Floodplain-specific restrictions also apply.
    “Mobile homes are for dwelling purposes only and shall not be used as an accessory structure or storage shed. Individual mobile homes shall be permitted on individual lots only if they meet the following conditions: 511.1 The proposed lot shall meet all area and yard requirements of the district.”
    One more reviewed finding on this topic
  • Mandatory utility hookupConditional

    New homes, hunting cabins, and other buildings with pressurized water subject to Warren County zoning review.

    • A current sewage permit is required before a permit can be issued for a building with pressurized water.
    • For connection to a municipal system, a municipal hook-up permit is required.
    • Scope is limited to the county zoning office's permitting process.
    “we need a copy of the hook-up permit from the municipality.”
  • Subdividing landRegulated (with conditions)

    Subdivision and land development in Warren County, except municipalities with their own qualifying subdivision and land-development ordinance.

    • No lot may be sold or leased and no building permit may be issued for a subdivision or land-development plan until the plan is approved and recorded and required improvements are constructed or guaranteed.
    • Municipalities with their own ordinance are excluded from direct application, but county review and recommendations may still be required.
    • The SALDO was adopted in 2004 and amended July 15, 2026.
    “All subdivisions of land and land developments [...] within Warren County are regulated”
    One more reviewed finding on this topic
  • Driveway accessRequired

    New driveways and driveway/street intersections subject to the Warren County Zoning Ordinance.

    • A driveway permit is required for all new driveways.
    • A driveway/street sight triangle must be maintained; only grass or ground cover is allowed, with limited tree visibility.
    • The sight triangle is formed by measuring at least 10 feet along curb lines and connecting the points.

    driveway sight triangle measurement: >= 10 feet

    “902.1.3 Driveway Permit – for all new driveways.”
  • Building in a floodplainRequired

    Construction or development within floodplain areas governed by the Warren County Zoning Ordinance.

    • A zoning permit is required before construction or development within the county ordinance jurisdiction.
    • The floodplain provisions apply to lands within the ordinance jurisdiction located in a Floodplain Area.
    • The Floodplain Administrator may delegate duties or contract with another agency or private entity.
    • The more restrictive provision applies where floodplain and underlying-district requirements conflict.
    “These provisions shall apply to all lands within the jurisdiction of the Warren County Zoning Ordinance, which are located within a Floodplain Area.”
  • Permit feesVariable (with conditions)

    Building-permit fees in Warren County.

    • The county directs applicants to the municipality or inspection agency for the applicable permit cost.
    • No single countywide fee amount was published in the opened official source.
    “For more information on completing a building permit, the types of inspections that will be required, and what the permit will cost, you will need to contact either the municipality or one of the following building inspection agencies:”
    One more reviewed finding on this topic
    • Variable (with conditions) — Zoning and building permit fees for projects processed through the applicable Warren County or municipal authority.
      “Said applications shall be on forms as approved by the County, as appropriate, and shall be accompanied by a fee as set by the Board of Commissioners.”
  • Permit processPartial

    County zoning-permit and certificate processes under the Warren County Zoning Ordinance.

    • Zoning applications must provide information sufficient to inform the Zoning Officer of the proposed development.
    • The Zoning Officer issues or denies permits and certificates where no other body is involved.
    • Conditional uses, special exceptions, and variances are forwarded to the appropriate body.
    • A zoning permit expires after 12 months unless a timely written extension request is approved, with a possible extension not exceeding 12 additional months.

    zoning permit duration: 12 months (May be extended for a reasonable period not exceeding 12 additional months if the County Zoning Officer finds reasonable cause and no applicant negligence.)

    “If the use or construction authorized by a zoning permit is not completed within twelve (12) months from the date of issuance of the zoning permit, the zoning permit shall expire automatically without written notice to the applicant, unless the applicant requests an extension in writing before the expiration of the permit.”
    3 more reviewed findings on this topic
    • Published (with conditions) — Zoning permit applications handled by Warren County Planning & Zoning in county-zoned municipalities.
      “The Zoning Officer has forty-five (45) days to process completed applications.”
    • Partial — County zoning-permit process in municipalities governed by the Warren County Zoning Ordinance.
      “The Zoning Officer has forty-five (45) days to process completed applications.”
    • Published — County zoning and subdivision/land-development application process.
      “Zoning Permit Applications - Downloadable PDF [...] ZONING PERMIT APPLICATIONS - INSTRUCTIONS”

Pennsylvania rules that apply here

  • Owner-builder exemptionConditional

    A construction-permit applicant for a dwelling unit used solely as the applicant’s and household’s residence who is a member of a recognized religious sect and seeks exemption only from UCC provisions conflicting with the sect’s beliefs.

    • The applicant must be a member of a recognized religious sect.
    • The sect’s teachings must conflict with an electrical, qualifying lumber or wood, or plumbing provision of the UCC.
    • The applicant must adhere to the sect’s established teachings.
    • The dwelling must be used solely as a residence for the applicant and the applicant’s household.
    • The code administrator must grant an application made in accordance with the statutory requirements.
    • If the building is later sold or leased, it must be brought into compliance unless the prospective owner or lessee files the required affidavit.
    • This is a religious exemption and does not establish a general exemption merely because the property owner is the builder.
    “the applicant is a member of a recognized religious sect;”
    2 more reviewed findings on this topic
    • Conditional — An owner of a recreational cabin qualifying for Pennsylvania’s Uniform Construction Code recreational-cabin exclusion.
      “A recreational cabin if the following conditions are met: (i) The cabin is equipped with at least one smoke detector, one fire extinguisher and one carbon monoxide detector in both the kitchen and sleeping quarters. (ii) The owner of the cabin files one of the following with the municipality:”
    • Available — A property owner performing construction work on the owner's own primary residence in Pennsylvania without compensation, and most construction work for which Pennsylvania does not impose a statewide contractor licensure or certification requirement.
      “The Commonwealth of Pennsylvania currently has no licensure or certification requirements for most construction contractors (or their employees).”
  • Building code adoptedAdopted

    Building construction throughout Pennsylvania under the Pennsylvania Uniform Construction Code.

    • The UCC is administered and enforced locally by municipalities that opt in, using municipal employees or certified third-party agencies.
    • In municipalities that opt out, the Department of Labor and Industry is responsible for commercial code enforcement, while certified third-party agencies hired by property owners or contractors enforce residential UCC requirements.
    • The Department has sole jurisdiction for elevators and state-owned buildings wherever located.
    • The 2021 accessibility updates are permanently enjoined; structures must still comply with the 2018 accessibility requirements, and the injunction does not affect enforcement of non-accessibility UCC requirements.
    • The revised regulations adopting the 2018 I-Code series became effective February 14, 2022. Contract-based transition rules allow certain projects with contracts signed before that date to use the UCC in effect at the time of contract if application was made by August 14, 2022 or earlier.
    • The 2021 I-Code accessibility provisions became effective December 25, 2021, with a contract-based transition period allowing applications by June 25, 2022 or earlier.
    • Pennsylvania's Uniform Construction Code triennial update was published November 8, 2025 and became effective January 1, 2026.

    2018 I-Code regulations effective date: 2022-02-14 (For contracts signed before this date, application and permit issuance under the UCC in effect at the time of contract were allowed if application was made by 2022-08-14.) · 2021 I-Code accessibility provisions effective date: 2021-12-25 (For contracts signed before this date, application and permit issuance under the UCC in effect at the time of contract were allowed if application was made by 2022-06-25.) · 2025 triennial UCC update effective date: 2026-01-01

    “Pennsylvania's statewide building code, generally known as the Uniform Construction Code (UCC), has to be followed by builders in the state.”
    One more reviewed finding on this topic
    • Adopted — Pennsylvania Uniform Construction Code requirements applicable in Warren County.
      “The revised regulations adopting the 2018 I Code series as reviewed and amended by the Review and Advisory Council (RAC) have an effective date of February 14, 2022.”
  • InspectionsRequired

    Residential construction for which a Pennsylvania Uniform Construction Code permit was issued.

    • The permit holder must keep construction accessible and notify the construction code official when work is ready.
    • Required inspection areas are foundations; plumbing, mechanical, and electrical systems; frame and masonry; and wallboard.
    • The official may conduct additional inspections for UCC or municipal-ordinance compliance.
    • A final inspection and final inspection report are required.
    • Third-party agencies under contract must submit the final inspection report to the property owner, builder, and designated lender.
    “A construction code official shall inspect all construction for which a permit was issued. The permit holder shall insure that the construction is accessible for inspection.”
    2 more reviewed findings on this topic
  • Who permits septicMixed (with conditions)

    Statewide regulation and administration of on-lot sewage facilities and septic systems in Pennsylvania.

    • On-lot sewage permitting and enforcement are largely administered by local agencies, including individual municipalities, groups of municipalities, county departments of health, and joint county departments of health.
    • Local agencies issue permits for retaining tanks and individual or community on-lot sewage systems that renovate sewage effluent in a soil absorption area or spray field.
    • Large volume on-lot systems are an exception to the local-agency permitting responsibility identified on the DEP page.
    • DEP provides technical oversight and financial assistance to local agencies.
    • Delegated joint local agencies may receive additional DEP authority to review and approve or disapprove new land-development sewage-planning proposals, and depending on the delegation may process both on-lot and public sewerage proposals.
    “Local Agencies are responsible for carrying out on-lot or onsite ("septic system") sewage treatment system permitting and enforcement activities. With certain exceptions (i.e. large volume on-lot systems), local agencies are responsible for issuing permits for retaining tanks or for individual and community on-lot sewage systems which renovate sewage effluent in a soil absorption area or spray field. [...] In some cases, Joint Local Agencies may obtain additional authority and responsibility from DEP by requesting Act 537 planning approval delegation.”
    2 more reviewed findings on this topic
    • Local (with conditions) — On-lot sewage permitting and enforcement in Warren County under Pennsylvania Act 537.
      “Local Agencies are responsible for carrying out on-lot or onsite”
    • Local — Act 537 on-lot sewage permitting and enforcement applicable to Warren County municipalities.
      “Local Agencies are responsible for carrying out on-lot or onsite ("septic system") sewage treatment system permitting and enforcement activities.”
  • Septic permitRequired

    Installation, construction, occupancy, or use of a building served by an individual or community onlot sewage system statewide.

    • A permit must be obtained from the local agency before installation, contracting for construction, construction, occupancy, or use.
    • Multiple chemical or portable toilets for temporary construction, recreation, or temporary facilities are covered by one permit.
    • A permit is not required for a recycling, incinerating, or composting toilet where the existing onlot system is not altered.
    • A permit exemption may apply to an individual onlot system serving an owner or immediate-family residence on a contiguous tract of at least 10 acres, subject to the owner-of-record date, local ordinance exception, notification, and siting requirements.
    • A permit is not required for a replacement dwelling when the local agency determines the size and anticipated use are the same as or less than the prior dwelling and the prior dwelling was in use within one year, except during an active malfunction investigation.

    permit-exemption tract size: >= 10 acres (Only under the specific owner/immediate-family and January 10, 1987 owner-of-record conditions.) · permit-exempt siting distance: >= 200 feet (Applies to septic tanks and absorption areas from listed property, water, floodplain, and related features.) · permit-exempt utility right-of-way distance: >= 10 feet · local-agency verification fee cap: <= 25 USD (For verifying siting of a permit-exempt system.)

    “without first obtaining a permit from the local agency, except as provided in subsections (c)—(e).”
    One more reviewed finding on this topic
    • Required — Individual and community on-lot sewage systems and retaining tanks in Warren County.
      “local agencies are responsible for issuing permits”
  • Septic inspectionLimited

    Individual and community sewage-disposal systems before concealment or covering after construction.

    • The system may not be covered until approval to cover is given by the original permit issuer or authorized representative.
    • If 72 hours have elapsed after notification of construction completion, excluding Sundays and holidays, the applicant may cover the system unless permission has been refused.

    post-completion waiting period: 72 hours (Sundays and holidays excluded.)

    “shall be covered from view until approval to cover the same has been given by the body which issued the original permit”
  • Off-grid sanitationLimited

    Composting, incinerating, recycling, and similar water-conservation toilets used for residential or establishment sanitation statewide.

    • For a new residence or establishment, an onlot sewage system or other approved disposal method must treat washwater or excess liquid, and both facilities must be under one permit, except for the retaining-tank exception.
    • For an existing residence or facility with no alteration of the onlot system, no permit is required for installation.
    • A composting or incinerating toilet on a qualifying retaining-tank lot is treated as and permitted as a privy.
    • The device must meet manufacturer specifications and be operated and maintained to prevent pollution or health hazards.
    • Liquid discharges are prohibited unless sent to a compliant onlot sewage system or another method approved under the chapter or by DEP.
    • Recycling, incinerating, and composting toilets must bear the NSF Standard No. 41 seal.
    “an onlot sewage system or other approved method of sewage disposal shall be provided for treatment of washwater or excess liquid from the unit”
  • Well permitLimited

    Water-well drilling statewide, distinguishing commercial water-well drillers from farmers and homeowners drilling their own wells on owned or leased land.

    • Water-well drilling companies must obtain a license and permits.
    • The licensing requirement does not apply to farmers or homeowners who drill their own water wells on their own or leased land.
    • The state has construction standards for public water-supply wells but not private water wells.
    • Drillers must submit the well's construction details to the state and the well owner.

    driller license year: June 1-May 31 · annual driller license fee: 60 USD · rig permit fee: 20 USD

    “Water well drilling companies must get a license and permits to drill a well in Pennsylvania.”
  • Agricultural exemptionAvailable (with conditions)

    Qualifying agricultural buildings under Pennsylvania's Construction Code Act and Uniform Construction Code.

    • The exemption applies to an agricultural building as defined by the Act: a structure used to store farm implements, hay, feed, grain, or other agricultural or horticultural products; house poultry, livestock, or other farm animals; serve as a milk house; or grow mushrooms, agricultural, or horticultural products.
    • The definition includes a qualifying carriage house owned and used by members of a recognized religious sect for housing horses and storing buggies.
    • The definition includes a structure less than 1,000 square feet used to process maple sap.
    • The structure must not include habitable space.
    • The structure must not contain spaces where agricultural products are processed, treated, or packaged.
    • The structure is not a place of occupancy by the general public.
    • Other municipal land-use, zoning, fire, electrical, health, or environmental requirements may still apply; the cited exclusion is from the Construction Code Act.

    maple sap processing structure area: < 1000 square feet (Must otherwise meet the statutory agricultural-building definition.)

    “(b) Exclusions.--This act shall not apply to any of the following: [...] (4) Any agricultural building.”
    3 more reviewed findings on this topic
    • Conditional — Agricultural buildings and specified religious-sect agricultural structures under the Pennsylvania UCC as summarized by Warren County.
      “These and other agricultural buildings are excluded under Section 104.”
    • Conditional — Agricultural buildings under the Pennsylvania Uniform Construction Code exclusions as summarized by Warren County.
      “These and other agricultural buildings are excluded under Section 104.”
    • Available (with conditions) — Agricultural buildings covered by Pennsylvania's Uniform Construction Code Act.
      ““Agricultural building.” A structure utilized to store farm implements, hay, feed, grain or other agricultural or horticultural products or to house poultry, livestock or other farm animals, a milk house and a structure used to grow mushrooms. The term includes a carriage house owned and used by members of a recognized religious sect for the purposes of housing horses and storing buggies. The term shall not include habitable space or spaces in which agricultural products are processed, treated or packaged and shall not be construed to mean a place of occupancy by the general public. [...] (4) any agricultural building;”
  • Short-term rentalsLimited

    Short-term lodging rentals of rooms, apartments, or houses for fewer than 30 days to the same person in Pennsylvania.

    • The Pennsylvania hotel occupancy tax rate is 6 percent.
    • Allegheny and Philadelphia counties have an additional 1 percent local hotel tax collected by the Department of Revenue.
    • Some counties impose an additional tax collected by the county treasurer.
    • If the taxpayer does not exclusively use a third-party booking site, or the broker does not collect and remit the hotel occupancy tax, the taxpayer must register with the Department of Revenue for a Sales, Use and Hotel Occupancy Tax License.
    • If a taxpayer exclusively uses a third-party booking site and the broker confirms collection and remittance, the homeowner should not register for a Sales, Use and Hotel Occupancy Tax License.

    lodging duration threshold: < 30 days (To the same person.) · Pennsylvania hotel occupancy tax rate: 6 percent

    “anyone who rents out their property to provide lodging for less than 30 days to the same person must collect and remit”
  • Campground & park staysLimited

    RV use and occupancy at Pennsylvania state park campgrounds.

    • Use must occur at a state park campground and comply with campsite rules.
    • Campers may stay up to 14 consecutive nights from Memorial Day to Labor Day.
    • Campers may camp up to 21 consecutive nights during the remainder of the year.
    • Campers must vacate and remove all equipment for 48 hours between reservations.
    • A maximum of two sleeping units is permitted per campsite, of which only one may be wheeled.
    • Campsite occupancy is limited to one family unit or one non-family unit limited to five persons per site.
    • The page does not establish statewide permission for long-term or residential RV occupancy outside state park campgrounds.

    maximum stay, Memorial Day to Labor Day: 14 consecutive nights · maximum stay, remainder of year: 21 consecutive nights · equipment-removal interval between reservations: 48 hours · maximum sleeping units per campsite: 2 units (Only one may be wheeled.) · maximum non-family occupancy: 5 persons per site (One family unit is permitted instead.)

    “maximum of two sleeping units are permitted per campsite, of which only one may be wheeled.”
    One more reviewed finding on this topic
    • Limited — Temporary camping at Pennsylvania state park campgrounds.
      “Campers may camp for up to 21 consecutive nights”
  • county zoning authorityLimited

    County zoning authority over land in Pennsylvania municipalities that lack an effective municipal zoning ordinance.

    • County zoning power is limited to land in municipalities wholly or partly within the county that have no zoning ordinance in effect when the county zoning ordinance is introduced and until the municipal zoning ordinance becomes effective.
    • A zoning ordinance enacted by a municipality other than the county repeals the county zoning ordinance pro tanto within that municipality.
    • The statute defines a county under the Pennsylvania Municipalities Planning Code as a county of the second through eighth class.
    “The powers of the governing bodies of counties to enact, amend and repeal zoning ordinances shall be limited to land in those municipalities, wholly or partly within the county, which have no zoning ordinance in effect at the time a zoning ordinance is introduced before the governing body of the county and until the municipality's zoning ordinance is in effect. The enactment of a zoning ordinance by any municipality, other than the county, whose land is subject to county zoning shall act as a repeal protanto of the county zoning ordinance within the municipality adopting such ordinance.”
    One more reviewed finding on this topic
    • Limited — Pennsylvania counties adopting and enforcing zoning ordinances on unincorporated land.
      “Section 602. County Powers.--The powers of the governing bodies of counties to enact, amend and repeal zoning ordinances shall be limited to land in those municipalities, wholly or partly within the county, which have no zoning ordinance in effect at the time a zoning ordinance is introduced before the governing body of the county and until the municipality's zoning ordinance is in effect.”
  • county building authorityLimited

    Pennsylvania county authority over building-code administration and enforcement for residential construction in unincorporated areas.

    • The general Pennsylvania Construction Code Act assigns administration and enforcement to municipalities, not counties.
    • A county of the second class may retain authority only if it has adopted a plumbing code and accompanying rules and regulations under the Local Health Administration Law.
    • The retained authority is limited to promulgating and enforcing that plumbing code and making changes that meet the minimum requirements of the Uniform Construction Code.
    • The official Department of Labor and Industry page states that residential UCC requirements in opt-out municipalities are enforced by certified third-party agencies hired by property owners or contractors.
    “A county of the second class that has adopted a plumbing code and accompanying rules and regulations pursuant to the act of August 24, 1951 (P.L.1304, No.315), known as the Local Health Administration Law, shall retain the authority to promulgate and enforce such plumbing code and to make such changes as it deems necessary, provided that such changes meet the minimum requirements as defined in the Uniform Construction Code.”

Set by your town or city, not the county

In Pennsylvania, zoning is adopted by each town or city, so Warren County has no county-wide answer on these. Find your town or city in the list of places on this page, or call its clerk or zoning administrator.

  • Lot coverage
  • Accessory dwellings

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Warren County, Pennsylvania

Is Warren County a good place to live off-grid or homestead?

Warren County scores 76/100 on the Bolthole Index, a strong county profile. Its strengths: manageable long-term carry cost and sparse surroundings — about 6,640 people within a 30-minute drive.

Do you need a building permit in Warren County, Pennsylvania?

Warren County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by PA DEP Act 537 Sewage Facilities Program (municipal Sewage Enforcement Officer). Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

Can you live in an RV or tiny home on your land in Warren County?

Living in an RV on your own land in Warren County is limited to specific cases: Recreational-vehicle occupancy under the Warren County Zoning Ordinance. An RV is designed for temporary accommodation, recreational, camping, or seasonal use only. An RV may not be used as a permanent or temporary dwelling. A tiny home is limited to specific cases. Confirm with the county before relying on it.

How much does land cost in Warren County, Pennsylvania?

Land in Warren County runs about $3,633 per acre, based on the latest county data.

What is the water situation in Warren County?

Warren County gets about 46.5" of rain a year, with severe drought in roughly 0% of years.

How remote is Warren County?

A representative private-land location has about 6,640 people within a 30-minute drive and 1,034,948 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

How Warren compares in Pennsylvania

Compare side-by-side →See all 67 Pennsylvania counties ranked →