Bolthole Index

Philadelphia County, Pennsylvania

Building permits, zoning and septic rules in Philadelphia County, Pennsylvania

29Index Score / 100
#67 of 67 in Pennsylvania

Philadelphia County, Pennsylvania requires a building permit for new construction and many additions, alterations, demolitions, occupancy changes and major repairs, issued by the city's Department of Licenses and Inspections (L&I).1 L&I also issues zoning permits under the Philadelphia Zoning Code, which applies throughout the county.2 Septic permits are separate: where City sewer is unavailable, the Department of Public Health handles them.34

At a glance

Building permit
Required for new construction and many additions, alterations, demolitions, occupancy changes and major repairs5
Zoning
Yes; the Philadelphia Zoning Code applies citywide, with standards that vary by district and overlay67
Septic permits
Required through the Department of Public Health where City sewer is unavailable34
Owner-builder
Resident owners of a one- or two-family home may do emergency repairs without a contractor, but not plumbing, electrical or fire-suppression work; a legalization permit is due within 3 business days8
Inspections
Construction and repair projects are inspected for safety; the permit identifies required inspections910
Certificate of occupancy
Required for specified projects and changes of use, but generally not for an existing one- or two-family home with unchanged use1112
Floodplain development
Flood protection documents must accompany zoning and building applications in a Special Flood Hazard Area or floodplain13

Who to call

Building permits

City of Philadelphia Department of Licenses and Inspections (L&I)

Building, repair, demolition and zoning permits, plus code enforcement and licensing, for all of Philadelphia County

(215) 686-8686

1401 John F. Kennedy Blvd., 11th Floor, Philadelphia, PA 19102

Online permits →

Zoning

City of Philadelphia Department of Licenses and Inspections (L&I) - Zoning Permits and Approvals

Zoning permits and approvals under the Philadelphia Zoning Code for all of Philadelphia County

(215) 686-8686

1401 John F. Kennedy Blvd., 11th Floor, Philadelphia, PA 19102

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

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

Yes. Philadelphia County requires a building permit for new buildings and many enlargements, additions, alterations, demolitions, occupancy changes, major repairs and projects disturbing at least 5,000 square feet of earth1. Regular maintenance and specified minor work may be exempt when the property is not on the Philadelphia Historic Registry, but most projects need a zoning permit before the building-permit application1. Beginning July 1, 2026, Philadelphia uses the 2021 family of International Code Council codes with local amendments14. Properties in a Special Flood Hazard Area or floodplain must submit flood protection forms with every zoning or building permit application13.

Who is the Philadelphia County building department, and how do you reach it?

The Philadelphia Department of Licenses and Inspections is the building department for Philadelphia County and also handles zoning, licensing and code enforcement15. Reach L&I through 311 or at (215) 686-8686, or visit 1401 John F. Kennedy Blvd., 11th Floor, Philadelphia, PA 1910215. Building-permit applications may be filed online through eCLIPSE or in person by appointment at the Permit and License Center1. Depending on the project, L&I may require pre-approvals from the Water Department, Department of Public Health, Planning Commission, Fire Department, Historical Commission, Streets Department, or Parks and Recreation1. Construction and repair work must receive the inspections identified on the permit, and successful completion leads to a Certificate of Approval109. Certificate-of-occupancy paperwork carries a $100 filing fee and a $253 permit fee per building or space that needs its own certificate, plus surcharges.16

Does Philadelphia County have zoning?

Yes. Philadelphia County and the City of Philadelphia are coterminous, and the Philadelphia Zoning Code regulates development and changes of use throughout the city176. L&I issues zoning and change-of-use approvals under that code18. Start with the parcel's base district and overlays, because allowed uses, height, bulk and setbacks are not one countywide standard71920. In the RM-1 through RM-4 residential districts the minimum lot area runs from 1,440 square feet in RM-1 to 15,000 square feet in RM-2, 10,000 in RM-3 and 2,500 in RM-4; the RMX-1 and RMX-2 districts have minimum district areas of 2 acres and 1 acre.2122 The published quick guide is a general aid rather than a substitute for the adopted code7. We could not confirm a single countywide minimum dwelling size, countywide minimum lot size, lot-coverage rule or accessory-dwelling answer; ask L&I about the exact parcel and proposal23.

How do septic permits work in Philadelphia County?

Most of Philadelphia is served by municipal sewer, but some areas do not have City sewer lines2425. A property owner without City sewer access must request a permit to install or repair a septic system and must coordinate the work with the Philadelphia Department of Public Health326. The septic permit costs $500 per location3. Where public infrastructure is available, Philadelphia Water Department permits are required to install or repair a water service or sewer lateral between its infrastructure and the property27. The soil survey estimates that 68.8% of county soils do not have severe limitations for a conventional drain field, but that countywide measure does not replace site evaluation or Public Health approval284.

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

We could not confirm a Philadelphia rule that generally allows residential occupancy of an RV or tiny home on a private lot. The Philadelphia Zoning Code regulates development and changes of use countywide, while permitted uses and dimensional standards depend on the parcel's district and overlays297. Ask L&I whether the proposed structure or vehicle, residential use, duration and utility plan are allowed before buying or placing it on the property23. A manufactured home built to federal standards receives limited treatment under Pennsylvania's construction code, but relocation, additions, later alterations, utility work and grading can trigger construction-code requirements30. That construction rule does not establish that Philadelphia zoning permits the home on a particular lot3018.

Building a home in Philadelphia County: the steps, in order

  1. Identify the parcel's zoning district and overlays, then confirm the proposed use and dimensional standards with L&I723.
  2. Determine whether zoning approval, flood protection forms or agency pre-approvals are required before filing the building application131.
  3. Apply online through eCLIPSE or in person by appointment at the Permit and License Center1.
  4. Use licensed contractors for plumbing, electrical and fire-suppression work; the owner-occupant exception covers only emergency repairs to a one- or two-family home, which must be reported and legalized by permit within 3 business days8.
  5. Schedule every inspection identified on the permit and obtain the Certificate of Approval after successful completion10.
  6. Confirm whether the project requires a certificate of occupancy; an existing one- or two-family home with unchanged use generally does not12.
  7. Arrange the applicable public water and sewer connection permits, or obtain Public Health approval for septic work where City sewer is unavailable273.

What should you check before buying land in Philadelphia County?

Check the parcel's base district, overlays and permitted use before estimating buildable area, because Philadelphia's height, bulk and setback standards vary by zoning district71920. Compare the intended occupancy and existing structures with City records, since a change of occupancy can require a building permit and certificate of occupancy3211. Determine whether the parcel is in a Special Flood Hazard Area, where flood protection documents must accompany permit applications13. Confirm sewer availability and do not assume an on-lot system is possible without a Department of Public Health permit253. If access affects state highway land or a PennDOT drainage facility, obtain a PennDOT Highway Occupancy Permit33.

Watch-outs

  • A building-permit exception does not waive zoning, floodplain or separate trade approvals; ask L&I for the complete approval path before work starts11315.
  • A certificate of occupancy applies to specified projects and occupancy changes, but is generally unnecessary for an existing one- or two-family home when the use remains the same1112.
  • We could not confirm parcel-level rules for RV occupancy, tiny homes, minimum dwelling size or private wells; ask L&I about land use and the Department of Public Health about an alternative water or sewage proposal234.

Sources

  1. Get a Building Permit, quoted and re-checked
  2. Zoning permits, quoted and re-checked
  3. Request a permit for a septic system or private sewer line | Services | City of Philadelphia, quoted and re-checked
  4. Request a permit for a septic system or private sewer line | Services | City of Philadelphia, quoted and re-checked
  5. Get a Building Permit, quoted and re-checked
  6. Zoning permits, quoted and re-checked
  7. Philadelphia Zoning Code Quick Guide, quoted and re-checked
  8. Construction and repair permits | Department of Licenses and Inspections | City of Philadelphia, quoted and re-checked
  9. Construction inspections, quoted and re-checked
  10. Request an L&I inspection | Services | City of Philadelphia, quoted and re-checked
  11. Get a Certificate of Occupancy | Services | City of Philadelphia, quoted and re-checked
  12. Get a Certificate of Occupancy, quoted and re-checked
  13. Flood protection forms, quoted and re-checked
  14. Applicable codes, quoted and re-checked
  15. City of Philadelphia Department of Licenses and Inspections (L&I) (phila.gov)
  16. Get a Certificate of Occupancy, quoted and re-checked
  17. Zoning permits (2026 county census)
  18. Zoning permits, quoted and re-checked
  19. ZONING QUICK GUIDE, quoted and re-checked
  20. ZONING QUICK GUIDE, quoted and re-checked
  21. City building codes, quoted and re-checked
  22. Philadelphia Zoning Code Base Districts Quick Guide, February 2026, quoted and re-checked
  23. City of Philadelphia Department of Licenses and Inspections (L&I) - Zoning Permits and Approvals (phila.gov)
  24. Request a permit for a septic system or private sewer line | Services | City of Philadelphia (2026 county census)
  25. Request a permit for a septic system or private sewer line | Services | City of Philadelphia, quoted and re-checked
  26. Request a permit for a septic system or private sewer line, quoted and re-checked
  27. Water & Sewer Permits – Development Services, quoted and re-checked
  28. 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
  29. Zoning permits, quoted and re-checked
  30. Pennsylvania Uniform Construction Code, Chapter 403 (Pennsylvania statewide rule), quoted and re-checked
  31. Get approval for construction in the floodplain | Services | City of Philadelphia, quoted and re-checked
  32. Get a Building Permit | Services | City of Philadelphia, quoted and re-checked
  33. Apply for a PennDOT Highway Occupancy Permit (Pennsylvania statewide rule), quoted and re-checked

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, Philadelphia County has countywide zoning.

RulePhiladelphia CountyDelaware CountyMontgomery CountyBucks CountyChester CountyLehigh CountyBerks County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredRequired
County zoningYesNoNoNoNoNoNo
Septic permitsPA DEPSEOCounty Health Dept.County Dept. of HealthCounty Health Dept.SEOSEO

County locator

Philadelphia County in Pennsylvania

29
County map
Philadelphia County highlighted among the Pennsylvania counties · colored by Index score

How Philadelphia County scores

Seclusion7100% ev.
Self-Sufficiency5497% ev.
Admin Boringness47100% ev.
Durability74100% ev.
Property Autonomy68100% ev.
Carry Cost37100% ev.

Evidence strength: 99%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$237kTypical home
0.8%Property tax
$77,080Land / acre
46.9"Annual rain
1.3% of yrsSevere drought
5.2 / yr (+4.8)Mid-century 100°F days
12.6 daysMid-century dry spell
2.67" (+7.8%)Mid-century 1-day rain
1.42×Wildfire change factor
100%Forward climate coverage
$1,711Home insurance / yr
1.3% / yrInsurance growth
0.52%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
3,233,419People within 30 min
25,027,400People within 2 hr
2,819,608Radius comparison (15 mi)
11,540.5People / sq mi
0.9%Federal land
88.4%Land at 15% slope or less
68.8%Soils rated "not limited" for septic (strict USDA rating)
22,247 acWorkable land screen
34 tonsBiomass / forest ac
55.3°FAvg temp

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Cities and towns in Philadelphia 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.

Answers from the rulebook for Philadelphia County

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

Philadelphia County rules

  • Building permitRequired

    New buildings, enlargements, additions, alterations, demolition, occupancy-classification changes, increased occupant load, major repairs outside regular maintenance, and earth disturbance of 5,000 square feet or more.

    • Some projects do not need a building permit, including regular-maintenance repairs, fencing up to six feet, retaining walls up to two feet, and specified minor work when the property is not on the Philadelphia Historic Registry.
    • In most cases a Zoning Permit is required before applying for a Building Permit.
    • A combination permit is mandatory for one- or two-family new-construction residential permits.

    earth disturbance threshold: >= 5000 sq ft (Building Permit is required for the listed project type)

    “You must get a Building Permit before starting a project that: Constructs a new building.”
    One more reviewed finding on this topic
    • Required — Construction, additions, alterations, demolition, occupancy-classification changes, occupant-load increases, major repairs, and qualifying earth disturbance in Philadelphia.
      “You must get a Building Permit before starting a project that:”
  • Owner-builder exemptionConditional

    Emergency repairs at a one- or two-family dwelling by an owner-occupant.

    • The emergency repair must remediate a sudden, unforeseen condition posing a significant threat to life or property and requiring immediate action.
    • The owner-occupant exception excludes plumbing, electrical, and fire-suppression work.
    • The owner or contractor must notify the Construction Inspections District Office, document work, file a legalization permit application within three business days, and schedule an inspection upon permit issuance.

    legalization permit filing deadline: <= 3 business days (After emergency repair)

    “Exception: The owner/occupant of a one- or two-family dwelling may perform repairs, excluding plumbing, electrical, and fire suppression work.”
    One more reviewed finding on this topic
    • Conditional — Work on an existing one- or two-family home in Philadelphia.
      “A licensed Philadelphia contractor must perform the work, except for projects on an existing one-or-two-family home that don’t require an electrical or plumbing permit. In that case, work may also be performed by: An owner who resides in the building.”
  • Building code adoptedAdopted (with conditions)

    Construction regulated by the City of Philadelphia.

    • The City adopted the 2021 ICC family with local amendments beginning July 1, 2026.
    • The listed accessibility exception retains 2018 International Code accessibility provisions and rescinds the 2021 accessibility provisions adopted under the PA Construction Code Act.

    adoption date: 2026-07-01 (2021 ICC family of codes with local amendments)

    “Beginning July 1, 2026, the City of Philadelphia will adopt the 2021 International Code Council’s (ICC) family of codes with local amendments.”
    One more reviewed finding on this topic
    • Adopted (with conditions) — Building, residential, mechanical, existing-building, electrical, performance, energy, fire, fuel-gas, plumbing, and related construction codes administered in Philadelphia County.
      “Beginning July 1, 2026, the City of Philadelphia will adopt the 2021 International Code Council’s (ICC) family of codes with local amendments.”
  • InspectionsLimited

    Permitted construction projects in Philadelphia County that require an inspection to proceed.

    • The contractor must schedule any inspection required for the project.
    • A $100 inspection-rescheduling fee may be assessed when the project is not ready.
    • Some permit types and inspection categories are eligible for virtual inspection.

    inspection rescheduling fee: 100 USD (May be assessed if L&I cannot conduct the requested inspection because the project is not ready)

    “When a construction project requires an inspection to proceed, the contractor must schedule the inspection with L&I.”
    One more reviewed finding on this topic
    • Required — Philadelphia construction and repair projects requiring inspection.
      “Construction and repair projects in Philadelphia need to be inspected for safety.”
  • Certificate of occupancyLimited

    New construction, additions, alterations affecting exits or fire ratings, and projects changing a building's use or occupancy.

    • A CO is not required for existing one- or two-family homes or where only owner, tenant, or residents change and the building use remains the same.
    • A CO is issued on completion of some Building Permits without a separate application or extra charge.
    • A CO without a Building Permit requires an application and fee.
    “A Certificate of Occupancy (CO) shows that a building is safe to be occupied. You need a CO for: New construction.”
    One more reviewed finding on this topic
    • Limited — New construction, additions, alterations affecting exits or fire ratings, and changes in building use or occupancy.
      “A CO is not required: For existing one-or-two-family homes. If the owner, tenant, or residents have changed but the building use remains the same.”
  • County-wide zoningPresent (with conditions)

    Philadelphia County, which is coterminous with the consolidated City of Philadelphia.

    • The source describes regulation within the city; Philadelphia County and the City of Philadelphia are coterminous for this record.
    “The Philadelphia Zoning Code regulates development and change of use within the city.”
  • Local zoningPresent (with conditions)

    Philadelphia County's consolidated city-county zoning system; the aggregate conclusion reflects the Philadelphia Zoning Code administered throughout the city-county by L&I.

    • The Philadelphia Zoning Code regulates development and change of use within the city.
    • Zoning regulations govern land use, building height and bulk, population density, parking, signs, private-property development character, and development in protected areas and on steep slopes.
    • The conclusion is an aggregate for the consolidated city-county and does not imply a separate county government administers each zoning decision.
    “The Philadelphia Zoning Code regulates development and change of use within the city. The current Zoning Code was implemented on August 22, 2012.”
    2 more reviewed findings on this topic
    • Present (with conditions) — Local zoning within the consolidated City-County of Philadelphia.
      “The Philadelphia Zoning Code regulates development and change of use within the city.”
    • Present (with conditions) — Zoning administered through Philadelphia City departments across the consolidated city-county.
      “The Department of Licenses and Inspections (L&I) issues zoning and change of use approvals in accordance with the Philadelphia Zoning Code.”
  • Zoning districtsPublished (with conditions)

    Properties in Philadelphia County.

    • The City directs users to Atlas to identify the property's zoning district and to the Zoning Quick Reference Guide, Zoning Summary Generator, and Zoning Code for regulations.
    • A property-specific zoning district must be identified before applying district controls.
    “Knowing your zoning district is the first step in the zoning permit or zoning appeal process.”
    One more reviewed finding on this topic
    • Published (with conditions) — Philadelphia zoning base districts and special-purpose districts.
      “The Philadelphia Zoning Code Quick Guide a general guide to users of zoning base districts described in Title 14 of The Philadelphia Code. It is not intended as a substitute for any adopted ordinances or codes.”
  • Minimum lot sizeDistrict specific (with conditions)

    Residential Multi-Family zoning districts RM-1 through RM-4 in Philadelphia County.

    • The cited table is subject to additional limitations or modifications by other applicable sections of the Philadelphia Zoning Code.
    • In RM-1, a lot containing at least 1,920 square feet may be divided into lots with a minimum lot size of 960 square feet only if at least 75 percent of adjacent lots are 1,000 square feet or less and each lot created meets the district minimum lot-width requirement.
    • RM-1 lots less than 45 feet in depth are exempt from the maximum occupied-area requirement but must comply with the separate rear-yard rule stated in the table notes.

    RM-1 minimum lot area: 1440 sq. ft. (A qualifying subdivision may create 960 sq. ft. lots under the cited RM-1 conditions.) · RM-2 minimum lot area: 15000 sq. ft. · RM-3 minimum lot area: 10000 sq. ft. · RM-4 minimum lot area: 2500 sq. ft.

    “Min. Lot Area (sq. ft.) | 1,440 [1] | 15,000 | 10,000 | 2,500 | | |”
    One more reviewed finding on this topic
    • District specific (with conditions) — Minimum district-area standards for RMX-1 and RMX-2 residential mixed-use zoning districts in Philadelphia County.
      “RMX-1 RMX-2 RMX-3 Min. Lot Width N/A N/A N/A Min. Street Frontage 50 ft. N/A N/A Min. District Area 2 Acres 1 Acre N/A”
  • SetbacksSpecified

    Special Purpose Sports Stadium district development under Philadelphia zoning.

    • The cited standards apply to the SP-STA district and are subject to an approved Master Plan.
    • Parking has a separate setback from residential districts.

    minimum setback from residential district: 300 ft · parking setback from residential district: 150 ft

    “Min. Setbacks 300 ft. from residential district; 150 ft. for parking from residential district”
  • Building heightDistrict specific (with conditions)

    Buildings subject to the Philadelphia Zoning Code.

    • The official City page states that zoning regulations govern height and bulk of buildings.
    • The specific applicable limit depends on the property's zoning district; the official page directs users to Atlas and the Zoning Code.
    “Zoning regulations govern: Land use The height and bulk of buildings”
    One more reviewed finding on this topic
    • Specified — Special Purpose Sports Stadium district development under Philadelphia zoning.
      “Max. Height 38 ft. to 150 ft. depending on use”
  • Who permits septicLocal (with conditions)

    Septic-system installation or repair and private sewer-line work in Philadelphia areas without City sewer access.

    • The City page directs applicants to coordinate with the Department of Public Health.
    • The page does not establish whether Pennsylvania DEP also exercises concurrent statutory authority.
    “You must coordinate with the Department of Public Health if you do this work.”
    One more reviewed finding on this topic
  • Septic permitRequired

    Property owners without access to a City sewer who install or repair a septic system.

    • Applies to owners without access to a City sewer.
    • The listed cost is $500 per location.
    • The official page directs applicants to call the Department of Public Health to request the permit.

    permit cost: 500 USD per location

    “Property owners who do not have access to a City sewer must request a permit for a septic system installation or repair.”
  • Off-grid sanitationLimited

    Septic systems and private sewer lines where City sewer lines are unavailable.

    • Work requires coordination with the Department of Public Health.
    • Owners without City-sewer access must request a septic installation or repair permit.
    “There are some parts of Philadelphia where City sewer lines are not available. In these areas, you may need to install or repair a septic system or private sewer line.”
  • Mandatory utility hookupSewer (with conditions)

    Connections from Philadelphia Water Department infrastructure to a property, including water services and sewer laterals.

    • Water and sewer connection permits are required for installation or repair of the respective services.
    • New connections require pre-permit information including project address, approved utility plan, flow test, proposed lateral/service details, and applicable license numbers.
    • Required inspections/installations must be scheduled after permits are received.
    “Water and Sewer Connection Permits are required to install or repair water services and sewer laterals, respectively, from PWD infrastructure to the property.”
  • Building in a floodplainRequired

    Construction in a Special Flood Hazard Area (SFHA).

    • Flood-protection documents are required with all zoning or building permit applications for construction in the SFHA.
    • Projects costing $50,000 or more require a flood-protection scoping meeting before a building-permit application.
    • Applicants may submit through eCLIPSE or in person at the Permit and License Center.

    mandatory scoping-meeting project cost: >= 50000 USD (Construction project in the SFHA)

    “You must submit flood protection documents with all zoning or building permit applications for construction in the SFHA.”
    One more reviewed finding on this topic
    • Required — Zoning and building permit applications for development in Philadelphia County's Special Flood Hazard Area or floodplain.
      “Flood protection forms must be submitted with all zoning and building permit applications in the Special Flood Hazard Area (SFHA) or floodplain.”
  • Permit feesPublished (with conditions)

    Certificate-of-occupancy-related permit and certificate fees published by Philadelphia L&I.

    • Fees depend on the permit or certificate type.
    • The CO page lists a $100 filing fee, $253 permit fee per building or space, city and state surcharges, and possible record-retention fees.
    • Other building-permit fees may vary by project.

    filing fee: 100 USD (CO application; non-refundable and applied toward final permit fee.) · permit fee: per 253 USD (Each building or space requiring its own CO.)

    “$253 per building or space that requires its own Certificate of Occupancy”
  • Permit processPublished (with conditions)

    Building permit applications administered by Philadelphia L&I.

    • A building permit is required before construction, enlargement/addition, interior or exterior changes, partial or full demolition, occupancy-classification changes, occupant-load increases, major non-maintenance repairs, or 5,000 square feet or more of earth disturbance.
    • Regular maintenance and specified minor work may not need a building permit if the property is not on the Philadelphia Historic Registry.
    • In most cases, a zoning permit is required before applying for a building permit.
    • A combination permit is mandatory for one- or two-family new-construction residential permits and optional in other cases.
    • Applications may be filed online through eCLIPSE or in person by appointment at the Permit and License Center.
    • Required pre-approvals can include PWD, Public Health, Planning Commission, Fire Department, Historical Commission, Streets, or Parks and Recreation approvals depending on the project.

    earth disturbance threshold: >= 5000 sq ft (Building permit page states projects including 5,000 sq. ft. or more of earth disturbance require a building permit.) · one-or-two-family dwelling filing fee: 25 USD (Nonrefundable and applied toward the final permit fee.) · other occupancy filing fee: 100 USD (Nonrefundable and applied toward the final permit fee.)

    “You can apply for this permit in person at the Permit and License Center or online using eCLIPSE.”

Pennsylvania rules that apply here

  • Manufactured homesLimited

    Manufactured housing assembled and shipped by the manufacturer and bearing the required federal-construction-and-safety label, including changes in occupancy, resale, relocation, additions, repairs, utility connections, and grading addressed by Pennsylvania's Uniform Construction Code.

    • For new labeled manufactured housing installed in conformity with the manufacturer's approved design, the UCC does not apply except as provided in the regulation.
    • Construction activities or processes, including utility connections and grading, that are not addressed by the manufacturer's approved design must comply with the UCC.
    • The UCC applies to alterations or repairs outside the federal manufactured-home standards and manufacturer installation instructions after assembly and shipment.
    • The UCC applies to additions after delivery to the site.
    • The UCC applies to construction, alteration, repair, or change of occupancy if the manufactured housing is resold to a subsequent purchaser.
    • The UCC applies to construction, alteration, repair, or change of occupancy if the original purchaser relocates the manufactured housing.
    • Pennsylvania building-permit guidance states that manufactured housing projects require inspections for site preparation, foundation construction, repairs, and changes in occupancy.
    • This state construction-code rule does not resolve local zoning, land-use siting, or utility/septic approval requirements.
    “Construction, alteration, repair or change of occupancy if the original purchaser relocates the manufactured housing.”
  • 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”
  • 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.”
    One more reviewed finding on this topic
    • 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;”
  • Subdividing landRegulated (with conditions)

    Subdivision and land development within Pennsylvania municipalities that enact or apply a subdivision and land development ordinance under the Pennsylvania Municipalities Planning Code.

    • The governing body of each municipality may regulate subdivisions and land development by ordinance.
    • Subdivision and land-development plats must be submitted for approval to the governing body or a designated planning agency.
    • Where a municipality has enacted an ordinance under Article V, subdivision or land development may not proceed except in accordance with that ordinance.
    • A county subdivision and land-development ordinance may apply where the municipality has no subdivision and land-development ordinance in effect; a municipality may also adopt the county ordinance by reference.
    • The cited statute does not establish one statewide numeric subdivision standard; local ordinances and applicable county review determine the requirements.
    “Section 501. Grant of Power.--The governing body of each municipality may regulate subdivisions and land development within the municipality by enacting a subdivision and land development ordinance. The ordinance shall require that all subdivision and land development plats of land situated within the municipality shall be submitted for approval to the governing body or, in lieu thereof, to a planning agency designated in the ordinance for this purpose, in which case any planning agency action shall be considered as action of the governing body.”
  • Driveway accessRequired

    Construction or alteration of a driveway connected to Pennsylvania state highway land, including a driveway connecting to a PennDOT drainage facility.

    • The requirement applies to building or changing a driveway on state highway land.
    • A permit is also required if the driveway connects to a PennDOT drainage facility.
    • Paving may be considered maintenance only in some cases; PennDOT advises applicants to contact it to determine whether that exception applies.
    • Permits are usually given within 30 days when the needed information is provided and the application follows PennDOT regulations.
    • PennDOT has 60 days to review each application and aims to finish reviews within 30 days.
    • A minimum-use driveway is expected to be used by no more than 25 vehicles per day, or 50 average daily traffic.

    minimum-use driveway traffic: <= 25 vehicles per day (Equivalent to 50 average daily traffic.)

    “You need a permit when you're building or changing a driveway, road, drainage or utility facility on the state highway land.”
    One more reviewed finding on this topic
    • Required — Construction or alteration of a driveway or road on Pennsylvania state highway land, and access connecting to a PennDOT drainage facility.
      “You need a permit when you're building or changing a driveway, road, drainage or utility facility on the state highway land.”
  • 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 Philadelphia 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.

  • Minimum dwelling size
  • Lot coverage
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • 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 Philadelphia County, Pennsylvania

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

Philadelphia County scores 29/100 on the Bolthole Index, a weak county profile. Its strengths: mixed durability signals and a stronger property-autonomy legal backdrop. Watch-outs: little seclusion — roughly 3,233,419 people within a 30-minute drive and higher long-term carry cost.

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

Philadelphia County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Pennsylvania DEP (Act 537); Philadelphia is served by municipal public sewer (Philadelphia Water Department). 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.

How much does land cost in Philadelphia County, Pennsylvania?

Land in Philadelphia County runs about $77,080 per acre, based on the latest county data.

What is the water situation in Philadelphia County?

Philadelphia County gets about 46.9" of rain a year, with severe drought in roughly 1.3% of years.

How remote is Philadelphia County?

A representative private-land location has about 3,233,419 people within a 30-minute drive and 25,027,400 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 Philadelphia compares in Pennsylvania

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