Bolthole Index

Miami County, Indiana

Building permits, zoning and land rules in Miami County, Indiana

56Index Score / 100
#54 of 92 in Indiana

Unincorporated Miami County, Indiana requires building permits for construction and remodeling, with exemptions for certain minor work, and the zoning ordinance separately requires an Improvement Location Permit1. County zoning is administered by the Plan Commission everywhere except Bunker Hill, Converse and the City of Peru, which are outside that ordinance2. Septic permits come from Miami County Environmental Health, and approval must come before the Improvement Location Permit for a dwelling with on-site sewage34.

At a glance

Building permit
Required for construction and remodeling in unincorporated areas, with exemptions for listed minor work1
Zoning
County zoning applies outside Bunker Hill, Converse and the City of Peru; rules vary by district25
Septic permit
Required before a dwelling Improvement Location Permit; administered by Environmental Health43
RV living
A parked RV cannot be living or sleeping quarters on a residential lot; construction-site trailers also cannot be quarters67
Tiny home
No separate tiny-home category confirmed; a single-family dwelling generally needs at least 1,000 sq ft8
Owner-builder
No owner-builder exemption confirmed; permits and inspections still apply unless the county identifies an exemption9
Occupancy
A certificate of occupancy is required before using a new, altered or enlarged building or premises10

Who to call

Building permits

Miami County Building Commission

Building permits and inspections for construction and remodeling in unincorporated Miami County

765-472-3901, ext. 1291

inspmc@miamicountyin.gov

Online permits →

Zoning

Miami County Planning Department

Planning and zoning administration, ordinance violations and unsafe-building matters

25 N Broadway, Peru, IN 46970

Online permits →

Septic permits

Miami County Environmental Health

On-site sewage permits and inspections, plus environmental-health questions about private wells

(765) 473-0283

12 S Wabash St., Peru, IN 46970

Roads & driveways

Miami County Highway Department

County roads, side ditches, culverts, road signs and rights of way

765-473-7125

2180 N Mexico Rd, Peru, IN 46970

Floodplain permits

Miami County Floodplain Administrator

Floodplain development permits in the special flood hazard area

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 Miami County, Indiana?

Yes. The Miami County Building Department handles permits for construction and remodeling in unincorporated areas, while the zoning ordinance separately requires an Improvement Location Permit for structures and changes of use111. Listed minor work, including a detached storage shed of 120 square feet or less, driveway paving and walks, is exempt from the Improvement Location Permit rule1. County inspectors perform follow-up inspections, although the published material does not identify every mandatory inspection stage12. Applicable work follows Indiana's building codes, including the current Indiana residential code for one- and two-family dwellings13. Before occupancy, a new, changed, altered or enlarged building or premises needs a certificate of occupancy after inspection by the Zoning Administrator10.

Who issues building permits and zoning approval in Miami County, Indiana?

The Miami County Building Commission is the permit and inspection contact for unincorporated construction; call 765-472-3901, ext. 1291, or email inspmc@miamicountyin.gov1411. The Miami County Planning Department administers zoning and directs online permit applicants to the Schneider GeoPermits site15. The Improvement Location Permit application goes to the Plan Commission Office and includes the parcel description, uses, improvement locations and sizes, adjacent roads, estimated cost, plot plan and any required drainage plan16. A permit is revoked if work does not begin within 30 days or is not substantially complete within 1 year unless the Plan Commission grants an extension16. First identify the parcel's jurisdiction because Bunker Hill, Converse and the City of Peru are outside the county ordinance's stated coverage2.

Does Miami County, Indiana have zoning?

Yes. Miami County zoning covers unincorporated land and incorporated towns other than Bunker Hill, Converse and the City of Peru17. Uses and special exceptions vary among the county's published agricultural, residential, business, industrial, planned-unit and flood-related districts5. A single-family house with an individual septic system generally needs a 30,000-square-foot lot, while a preexisting smaller lot may need Health Department approval18. A single-family dwelling generally needs at least 1,000 square feet of floor area8. Primary-building setbacks generally range from 25 to 50 feet in front by street class, with a 25-foot rear setback and a 10-foot side setback19. Lot-coverage and height limits also vary by zoning district, so have Planning confirm the parcel-specific limits rather than applying one countywide figure2021.

How do septic permits work in Miami County, Indiana?

Miami County Environmental Health administers on-site sewage permits, inspections and enforcement; call (765) 473-0283 or visit 12 S Wabash St., Peru, IN 46970223. For a dwelling using on-site sewage, the septic permit or Health Officer approval must come before the Improvement Location Permit4. Request inspection at least 2 working days before covering any part of the system23. Only 3.3% of mapped county soils avoid a “very limited” rating for conventional drain fields, so make septic feasibility an early purchase contingency24. Where the ordinance's sanitary-sewer availability conditions apply, a new dwelling or business must connect, and the Health Officer may require connection when its estimated cost is no more than 1.5 times the estimated septic-installation cost25. Where sewer is unavailable within 300 feet, county and state on-site sewage rules apply, and a residential privy needs a temporary special permit26.

Can you live in an RV or tiny home in Miami County, Indiana?

A parked or stored RV on a residential lot governed by Miami County may not be used for living, sleeping, camping or housekeeping6. A travel trailer or mobile home on a construction site may serve as an office, watchman's shelter or storage, but not as living or sleeping quarters7. With Zoning Administrator approval, a temporary mobile home may instead house someone during dwelling construction, and it must be removed within 30 days after completion or within 8 months, whichever comes first727. Miami County does not publish a separate tiny-home category in the reviewed rules, so ask Planning to classify the proposed structure; the ordinary single-family minimum is 1,000 square feet8. An accessory or pole building cannot become a dwelling unless it meets county building codes and receives Plan Commission approval28. A permanent manufactured home outside a mobile-home court generally needs at least 960 square feet and a permanent underfloor foundation27.

How do you build a home in Miami County, Indiana, step by step?

  1. Confirm whether Miami County or Bunker Hill, Converse or the City of Peru controls the parcel2.
  1. Ask Planning to verify the zoning district, permitted use, lot size, setbacks, lot coverage and height limits518192021.
  1. If the project divides land, obtain Plan Commission plat approval before relying on a new parcel for permits or occupancy29.
  1. Resolve sewer availability or secure septic approval before the dwelling Improvement Location Permit254.
  1. Obtain the Highway Department culvert or driveway permit before the Building Permit can issue30.
  1. Submit the required site and project information to the Plan Commission Office, then obtain the building permit and schedule follow-up inspections161112.
  1. Complete the approved work and required sewage and culvert items before requesting the certificate of occupancy10.

What should you check before buying land in Miami County, Indiana?

Start with jurisdiction and district because county zoning excludes Bunker Hill, Converse and the City of Peru, and allowed uses vary by district25. Confirm that any proposed split complies with subdivision rules; a nonconforming parcel created after the ordinance took effect cannot receive a building permit or certificate of occupancy2931. Make an acceptable septic site a purchase contingency because only 3.3% of mapped soils avoid a severe limitation rating for a conventional drain field24. Ask Environmental Health about septic feasibility and whether the proposed private well needs a local permit332. In a special flood hazard area, an application for a structure with plumbing must show an approved public-sewer or on-site-septic connection33. Ask the Highway Department about the required driveway or culvert permit, while access to a state highway needs INDOT permission3034.

Watch-outs

  • Septic approval must precede a dwelling Improvement Location Permit, so do not leave the soil and system review until after house plans are complete4.
  • County zoning does not govern Bunker Hill, Converse and the City of Peru in the same way; confirm the parcel's actual permitting authority before relying on county standards35.
  • A contractor's construction-site trailer cannot be used as living or sleeping quarters; ask Planning about the separately regulated temporary-mobile-home option727.
  • We could not confirm an owner-builder exemption, a countywide well-permit rule or an express tiny-home classification; ask the Building Commission, Environmental Health and Planning Department before relying on one93215.

Sources

  1. Departments | Miami County, IN, quoted and re-checked
  2. County of Miami Zoning Ordinance, quoted and re-checked
  3. On-site Sewage Disposal of Miami County Ordinance, quoted and re-checked
  4. miamicountyin.gov, quoted and re-checked
  5. County of Miami Zoning Ordinance, quoted and re-checked
  6. County of Miami Zoning Ordinance, quoted and re-checked
  7. County of Miami Zoning Ordinance, quoted and re-checked
  8. County of Miami Zoning Ordinance, quoted and re-checked
  9. (2026 county census)
  10. County of Miami Zoning Ordinance, quoted and re-checked
  11. miamicountyin.gov, quoted and re-checked
  12. miamicountyin.gov, quoted and re-checked
  13. Rules of the Indiana Fire Prevention and Building Safety Commission, quoted and re-checked
  14. Miami County Building Commission (miamicountyin.gov)
  15. Miami County Planning Department (miamicountyin.gov)
  16. County of Miami Zoning Ordinance, quoted and re-checked
  17. Zoning Ordinance of the County of Miami, Indiana, quoted and re-checked
  18. County of Miami Zoning Ordinance, quoted and re-checked
  19. County of Miami Zoning Ordinance, quoted and re-checked
  20. County of Miami Zoning Ordinance, quoted and re-checked
  21. County of Miami Zoning Ordinance, quoted and re-checked
  22. Miami County Environmental Health (in.gov)
  23. On-site Sewage Disposal of Miami County Ordinance, quoted and re-checked
  24. 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
  25. Miami County: On-site Sewage Disposal of Miami County Ordinance, quoted and re-checked
  26. On-site Sewage Disposal of Miami County Ordinance, quoted and re-checked
  27. County of Miami Zoning Ordinance, quoted and re-checked
  28. County of Miami Zoning Ordinance, quoted and re-checked
  29. Miami County Subdivision Control Ordinance, quoted and re-checked
  30. County of Miami Zoning Ordinance, quoted and re-checked
  31. Miami County Subdivision Control Ordinance, quoted and re-checked
  32. Recommended Standards For Private Water Wells (Indiana statewide rule), quoted and re-checked
  33. Miami County Flood Damage Prevention Ordinance, quoted and re-checked
  34. INDOT Driveway Permit Guide 2024 (Indiana statewide rule), quoted and re-checked
  35. County of Miami Zoning Ordinance, 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

Like all 6 of its neighbors, Miami County requires a building permit for a home.

RuleMiami CountyWabash CountyCass CountyFulton CountyHoward CountyCarroll CountyGrant County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredRequired
County zoningYesYesYesYesYesYesYes
Septic permitsCounty Health Dept.County Health Dept.County Health Dept.County Health Dept.County Health Dept.County Health Dept.County Health Dept.

County locator

Miami County in Indiana

56
County map
Miami County highlighted among the Indiana counties · colored by Index score

How Miami County scores

Seclusion26100% ev.
Self-Sufficiency59100% ev.
Admin Boringness4190% ev.
Durability74100% ev.
Property Autonomy71100% ev.
Carry Cost77100% 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 →

$168kTypical home
0.6%Property tax
$7,928Land / acre
40.6"Annual rain
2.5% of yrsSevere drought
3.4 / yr (+3.3)Mid-century 100°F days
12 daysMid-century dry spell
1.71" (+10.3%)Mid-century 1-day rain
1.75×Wildfire change factor
100%Forward climate coverage
$1,399Home insurance / yr
0% / yrInsurance growth
0.72%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
99,000People within 30 min
5,239,555People within 2 hr
60,859Radius comparison (15 mi)
94.7People / sq mi
1.9%Federal land
96.7%Land at 15% slope or less
3.3%Soils rated "not limited" for septic (strict USDA rating)
7,030 acWorkable land screen
16.2%Wooded land
61.8 tonsBiomass / forest ac
51°FAvg temp

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Cities and towns in Miami County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Not yet researched: Allen Township · Town of Amboy · Butler Township · Clay Township · Town of Converse · Deer Creek Township · Town of Denver · Erie Township · Harrison Township · Jackson Township · Jefferson Township · Town of Macy · Perry Township · Peru · Pipe Creek Township · Richland Township · Union Township · Washington Township

Answers from the rulebook for Miami County

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

Miami County rules

  • Building permitRequired

    Construction and remodeling projects in unincorporated Miami County; the zoning ordinance separately requires an Improvement Location Permit for structures and changes of use.

    • The county Building Department page expressly scopes its service to unincorporated areas.
    • The zoning ordinance exempts listed minor structures and uses, including detached storage sheds 120 square feet or less, paving driveways, lamp posts, walks, and similar uses.
    • Commercial Improvement Location Permit plans require State Administrative Building Council approval.
    “No building or other structure shall be erected, moved, added to, or structurally altered unless the Miami County Plan Commission office has issued an Improvement Location Permit.”
    One more reviewed finding on this topic
    • Limited — Construction and remodeling projects in the unincorporated areas of Miami County.
      “responsible for issuing Building Permits”
  • InspectionsLimited

    Follow-up building inspections for construction and remodeling projects in the unincorporated areas of Miami County.

    • The source does not identify mandatory inspection stages or establish that every project must receive an inspection.
    “providing follow-up inspections for construction and remodeling projects in the unincorporated areas of Miami County.”
  • Certificate of occupancyLimited

    Certificates of occupancy for subdivided land and certain nonconforming structures.

    • No building permit or certificate of occupancy may be issued for a parcel or plat created by subdivision after the effective date if it does not conform to the subdivision regulations.
    • A structure destroyed by fire or act of God may not be occupied until a certificate of occupancy has been issued.
    • The fee schedule lists a certificate of occupancy with no permit at $125.

    certificate of occupancy with no permit fee: 125 USD

    “No building or structure destroyed by fire or act of God shall be occupied until a C of O has been issued.”
    One more reviewed finding on this topic
    • Required — Buildings or premises created, erected, changed, converted, altered, or enlarged under the county zoning ordinance.
      “It shall be unlawful to use, occupy, or permit the use or occupancy of any building or premises, or both, or part thereof, hereafter created, erected, changed, converted, or wholly or partly altered or enlarged in it's use of structure until a Certificate of Occupancy has been issued by the Zoning Administrator.”
  • County-wide zoningPresent (with conditions)

    County zoning ordinance administered by the Miami County Plan Commission within its stated jurisdiction.

    • The ordinance applies to unincorporated areas and incorporated towns except Bunker Hill, Converse, and the City of Peru.
    “This ordinance [...] authorizes the Miami County Plan Commission to enforce and regulate this ordinance for all of the unincorporated areas in Miami County and incorporated towns except the following: (Bunker Hill, Converse and the City of Peru).”
    2 more reviewed findings on this topic
    • Present (with conditions) — County zoning ordinance administered in unincorporated Miami County and incorporated towns except Bunker Hill, Converse, and the City of Peru.
      “This ordinance [...] authorizes the Miami County Plan Commission to enforce and regulate this ordinance for all of the unincorporated areas in Miami County and incorporated towns except the following: (Bunker Hill, Converse and the City of Peru).”
    • Present — County zoning and land-use regulation administered by the Miami County Planning Department and Plan Commission in the county's unincorporated area.
      “THE FOLLOWING ZONING DISTRICTS ARE HEREBY ESTABLISHED FOR THE COUNTY OF MIAMI, INDIANA.”
  • Local zoningVaries (with conditions)

    Aggregate county result: county zoning applies in unincorporated areas and certain incorporated towns, while Bunker Hill, Converse, and Peru are excluded from this county ordinance.

    • This is an aggregate result and does not claim that Miami County administers each excluded municipal ordinance.
    “all of the unincorporated areas in Miami County and incorporated towns except the following: (Bunker Hill, Converse and the City of Peru).”
  • Zoning districtsPublished

    Published Miami County zoning districts and associated zoning ordinance materials.

    • The county page lists the current Miami County Zoning Ordinance as a related document.
    • District-specific dimensional rules were not separately extracted in this run.
    “THE FOLLOWING ZONING DISTRICTS ARE HEREBY ESTABLISHED FOR THE COUNTY OF MIAMI, INDIANA.”
    One more reviewed finding on this topic
    • Published (with conditions) — County zoning districts and district-based use tables.
      “THE FOLLOWING TABLE SHALL BE USED TO DETERMINE WHEN A USE IS AUTHORIZED IN A DISTRICT:”
  • Minimum dwelling sizeSpecified

    Dwellings in county zoning districts.

    • Single-family dwellings require 1,000 square feet per unit in all districts.
    • Mobile homes require 960 square feet per unit in all districts, subject to a possible Board of Zoning Appeals special exception for smaller mobile homes.
    • Two-family dwellings require 800 square feet per unit; multi-family dwellings require 700 square feet per unit.

    single-family dwelling minimum: >= 1000 square feet per unit · mobile-home minimum: >= 960 square feet per unit (Board of Zoning Appeals may grant a special exception for smaller mobile homes) · two-family minimum: >= 800 square feet per unit · multi-family minimum: >= 700 square feet per unit

    “MOBILE HOMES ---------------- 960 sq. ft. per unit ALL DISTRICTS* TWO FAMILY -------------------- 800 sq. ft. per unit ALL DISTRICTS MULTI-FAMILY ------------------ 700 sq. ft. per unit ALL DISTRICTS”
  • Minimum lot sizeSpecified

    Residential lots in county zoning districts.

    • Single-family with community sewage requires 15,000 square feet in R1, R3, B1, B2, and B3 and 18,000 square feet in A1.
    • Single-family with individual sewage requires 30,000 square feet in all listed districts.
    • Multi-family with community sewage requires 25,000 square feet; with individual sewage requires 43,560 square feet.
    • Pre-existing lots may be smaller if approved by the Miami County Health Department.

    single-family individual-sewage minimum: 30000 square feet (Pre-existing lots may be smaller if approved by the Miami County Health Department) · multi-family individual-sewage minimum: 43560 square feet (Pre-existing lots may be smaller if approved by the Miami County Health Department)

    “Single family with 30,000 30,000 30,000 30,000 30,000 30,000 individual sewage disposal system”
  • SetbacksSpecified

    Primary and accessory structures and land uses in county zoning districts.

    • Primary front setbacks are 50 feet from a primary street, 35 feet from a secondary street, and 25 feet from a local street; rear setback is 25 feet and side setback is 10 feet.
    • Accessory front setbacks use the same 50/35/25-foot street schedule; accessory rear setback is 5 feet and side setback is 3 feet.
    • The ordinance states these are minimum requirements unless otherwise specified.
    “The regulations set by this Ordinance within each District shall be the minimum setback requirements and shall apply uniformly to each class or kind of structure or land use, unless otherwise specified in other parts of this Ordinance.”
  • Lot coverageSpecified

    Residential and commercial lots in listed Miami County zoning districts.

    • Residential building coverage limits are 30 percent in A1, 60 percent in R1 and R3, and 70 percent in B1, B2, and B3.
    • Commercial building coverage limits are 80 percent in B1, B2, B3, I1, and I2.

    residential lot coverage: 30-70 percent (District-specific: A1 30; R1/R3 60; B1/B2/B3 70.) · commercial lot coverage: 80 percent (Listed B1/B2/B3/I1/I2 districts.)

    “No Lot for residential use may exceed the following Lot coverage with buildings:”
  • Building heightSpecified

    Buildings and structures in county zoning districts.

    • Maximum height is 100 feet in A1, A2, A3, B3, I1, and I2; 50 feet in R1, R3, B1, B2, and PUD; and 90 feet in FF, FP, and FW.
    • R3 and B1 structures may reach 65 feet.
    • Certain towers and similar structures may reach 250 feet subject to increased setbacks and FAA lighting or flight restrictions.

    maximum height in listed A/B/I districts: 100 feet (Exceptions in §2-12-14) · maximum height in R1/R3/B1/B2/PUD: 50 feet (R3 and B1 exception up to 65 feet) · maximum height in FF/FP/FW: 90 feet (Exceptions in §2-12-14)

    “Except as herein provided, no building or structure shall be erected, altered, enlarged, or reconstructed so that the height exceeds the following height limit within the district listed: DISTRICT MAXIMUM HEIGHT A1, A2, A3, B3, I1, I2 ------------------------- 100 FEET”
  • Living in an RVLimited

    Recreational vehicles parked or stored on residential-zoned property.

    • Major recreational vehicles may be parked or stored only on the side or rear lot.
    • No more than two pieces of equipment may be present.
    • They may not be used for living, sleeping, camping, or housekeeping while parked or stored on a residential lot.
    • Recreational vehicles may not have water connected while stored or parked on a lot other than a campground.
    • Front or street parking is limited to loading and unloading for no more than 24 hours and may not interfere with traffic.

    maximum recreational vehicles/equipment: 2 pieces · front or street loading/unloading period: <= 24 hours

    “Major Recreational Vehicles may be parked or stored on the side or rear lot in these districts provided that they do not violate any other part of this ordinance and no more than two (2) pieces of equipment are present. Further, no such equipment shall be used for living, sleeping, camping, or housekeeping while parked or stored on a Residential Lot.”
  • Camping on your landLimited

    Camping or living in recreational vehicles and temporary mobile homes.

    • Residential lots may not use recreational vehicles for living, sleeping, camping, or housekeeping while parked or stored.
    • A mobile home, travel trailer, work trailer, or storage van may be used on a construction site only as a contractor office, watchman's shelter, or tool/equipment storage, not as living or sleeping quarters.
    • A temporary mobile home used while a dwelling is under construction requires Zoning Administrator approval and must be removed within 30 days after completion or within eight months, whichever is least.
    “A mobile home, travel trailer, work trailer, or storage van may be utilized as a contractor’s office, watch-man's shelter, or tool or equipment storage on a site and only during the period of construction project. This shall not be used as living or sleeping quarters.”
  • Manufactured homesLimited

    Permanent manufactured or mobile homes in county residential and listed business districts.

    • Homes placed on a lot other than a mobile-home court must be constructed after January 1, 1981.
    • They must have at least 960 square feet of occupied space and a permanent under-floor foundation.
    • The ordinance also requires additional construction and installation conditions for manufactured homes.
    • Temporary mobile homes used during construction require Zoning Administrator approval and must be removed within 30 days after dwelling completion or within eight months, whichever is earlier.

    minimum occupied space: >= 960 square feet · construction date: >= 1981-01-01 · temporary removal deadline: <= 30 days after dwelling completion (Or eight months, whichever is earlier.)

    “All Mobile Homes or Manufactured Homes that are placed on a lot other than a mobile home court shall be constructed after January 1, 1981 and conform to the following restrictions: (1) Shall have at least nine hundred (960) square feet of occupied space as manufactured; (2) Shall be placed on a permanent underfloor foundation.”
    One more reviewed finding on this topic
    • Limited — Permanent and temporary mobile/manufactured homes in Miami County zoning districts.
      “All Mobile Homes or Manufactured Homes that are placed on a lot other than a mobile home court shall be constructed after January 1, 1981 and conform to the following restrictions: (1) Shall have at least nine hundred (960) square feet of occupied space as manufactured;”
  • Accessory dwellingsLimited

    Accessory buildings or similar secondary structures used as dwellings.

    • Accessory buildings may not be erected in required setback areas.
    • A separate accessory building generally must be at least six feet from another building unless a one-hour firewall is installed and approved.
    • An accessory building may not be used as a dwelling unless it meets Miami County Building Codes and is approved by the Plan Commission.
    • In residential districts, accessory buildings may not be used or occupied as residential use unless authorized by the commission.

    minimum separation between accessory buildings: >= 6 feet (One-hour firewall installed on both buildings and approved by the plan commission office.)

    “Accessory buildings, including pole buildings, may not be used as dwellings unless it meets Miami County Building Codes and is approved by the Plan Commission.”
  • Who permits septicCounty

    On-site sewage disposal systems in Miami County.

    • The county ordinance incorporates Indiana sewage regulations by reference.
    • The Miami County Health Officer and agents administer permits, certifications, fees, inspections, and enforcement.
    “The Health Officer of Miami County, as hereinafter defined, and the Health Officer's agents and representatives are hereby authorized to issue permits, installer certifications, collect permit and incidental fees, perform inspections, order or otherwise compel correction of violations of this ordinance, and are otherwise authorized to perform all actions necessary for the administration and enforcement of this ordinance.”
    One more reviewed finding on this topic
    • County — On-site sewage disposal systems in Miami County.
      “The Health Officer of Miami County, as hereinafter defined, and the Health Officer's agents and representatives are hereby authorized to issue permits, installer certifications, collect permit and incidental fees, perform inspections, order or otherwise compel correction of violations of this ordinance, and are otherwise authorized to perform all actions necessary for the administration and enforcement of this ordinance.”
  • Septic permitRequired

    Construction, alteration, or repair of an onsite sewage disposal system in Miami County.

    • Written application is required before commencement.
    • The sewage disposal permit must be obtained before application for a building permit.
    • Commercial applications must include the Indiana State Department of Health permit and project design plans.
    • The permit lapses if work is not completed within one year.
    • Residential systems must be at least 25 feet from surface-water drain tile, running streams, or surface-water drains, and all parts must be at least 50 feet from a water well.
    • A $150 new-construction, connect-to-existing, or replace-and-repair fee is listed on the county health fee page.

    permit expiration: 1 year (unless a new application, fee, and permit are obtained) · new construction fee: 150 USD · connect to existing fee: 150 USD · replace and repair fee: 150 USD

    “Before the commencement of construction, alteration or repair of an on-site sewage disposal system, the owner or his agent shall apply in writing to the Miami County Health Office for a permit to construct, alter or repair an on-site sewage disposal system”
    One more reviewed finding on this topic
    • Required — Dwelling projects requiring an on-site sewage disposal system.
      “Whenever an Improvement Location Permit for a dwelling is issued the administrator shall insure that the septic permit has been issued or the Health Officer has authorized an approved system before an Improvement Location Permit is issued.”
  • Septic inspectionRequired

    Onsite sewage disposal system construction and compliance in Miami County.

    • The owner or agent must request inspection at least two working days before any portion of the system is covered.
    • The Health Officer or agent may enter properties for inspection, observation, measurement, sampling, and testing.
    • If site conditions change after evaluation, a new evaluation and modified permit are required.

    inspection notice: >= 2 working days (before any portion of the system is covered)

    “The owner or agent shall request an inspection by the Miami County Health Department at least 2 working days before any portion of the on-site disposal system is covered, in accordance with rules established in 410 IAC 6-8.2-33 (l) et. seq.”
    One more reviewed finding on this topic
    • Required — On-site sewage disposal systems in Miami County.
      “The owner or agent shall request an inspection by the Miami County Health Department at least 2 working days before any portion of the on-site disposal system is covered, in accordance with rules established in 410 IAC 6-8.2-33 (l) et. seq.”
  • Off-grid sanitationLimited

    Privies and onsite sanitation in Miami County.

    • A privy for a residence is allowed only temporarily and by special permit.
    • Self-contained chemical toilets do not require a pit.
    • Where sanitary sewer is unavailable within 300 feet, onsite sewage rules apply.

    sewer availability threshold: > 300 feet (onsite sewage disposal rules apply)

    “No privy shall be permitted for a residence except on a temporary basis and then only by special permit. All such privies shall comply with Indiana State Department of Health Bulletin S.E. 11.”
    One more reviewed finding on this topic
    • Limited — Privies and on-site sanitation where public sanitary sewer is unavailable.
      “Where a sanitary sewer system is not available within 300 feet, all persons owning, leasing, or otherwise occupying property shall comply with 410 IAC 6-8.1-1 et. Seq. and 410 IAC 6-10-1 et. Seq. and the following provisions of this Ordinance for an on-site sewage disposal system.”
  • Mandatory utility hookupConditional

    Sewer connection and onsite sewage disposal for dwellings and business buildings in Miami County.

    • Where public sanitary sewer is available within 300 feet, connection may be required if the estimated connection cost does not exceed 1.5 times the estimated onsite septic cost.
    • A noncompliant failed onsite system must be connected within 180 days after an order of connection.
    • New buildings in an area with available sanitary sewer must connect according to plans approved before construction.
    • Where sanitary sewer is unavailable within 300 feet, onsite sewage rules apply.

    public sewer distance threshold: <= 300 feet · connection-cost multiplier: <= 1.5 times septic installation cost (Miami County Health Officer may require connection) · connection deadline after order: 180 days (for a failed noncompliant onsite system)

    “If the estimated cost of connecting a dwelling or structure to a sewer line does not exceed 1 ½ times the estimated cost of installing an on-site septic system, then connecting to the sewer line may be required by the Miami County Health Officer or his representative.”
    2 more reviewed findings on this topic
    • Conditional — Sewer connection for a new dwelling or business building where sanitary sewer is available.
      “Whenever a new business building or dwelling is to be constructed in an area where a sanitary sewage system is available as provided in the above paragraph, a connection shall be made to the sanitary sewer according to plans submitted for approval prior to construction of any such project.”
    • Conditional — Proposed structures in an identified special flood hazard area that will have a restroom, kitchen, or other facilities requiring wastewater disposal.
      “Verification that connection to either a public sewer system or to an approved on-site septic system is available”
  • Agricultural exemptionConditional

    Agricultural buildings in Miami County agricultural districts.

    • Agricultural buildings do not require an Improvement Location Permit.
    • Setbacks remain the same as for other structures.
    • A permit from the Zoning Administrator's office must still be issued.
    • Semi-trailers, mobile homes, vans, and campers used for agricultural purposes or storage require Plan Commission approval.
    “Agriculture Building shall not require an Improvement Location Permit; however, setback requirements shall be the same as any other setback requirement and a permit from the Zoning Administrators office must be issued.”
  • Subdividing landRegulated (with conditions)

    Subdivision and resubdivision of land in Miami County, except listed jurisdictions.

    • The Plan Commission reviews and approves or disapproves subdivision plats throughout the county.
    • Exceptions are Bunker Hill, Converse, and the City of Peru.
    • No building permit or certificate of occupancy may issue for a nonconforming post-effective-date subdivision parcel or plat.
    • Private wells and septic systems are allowable where permitted by zoning and approved by the Miami County Health Department.
    “This ordinance [...] authorizes the Miami County Plan Commission to review and approve or disapprove plats for subdivision throughout the County, except jurisdictions listed here, (Bunker Hill, Converse and City of Peru)”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivision plats and land divisions in Miami County, except Bunker Hill, Converse, and the City of Peru.
      “This ordinance which was enacted pursuant to Indiana home rule and planning enabling legislation (Indiana Code, titles 36-1-3-4 and the 36-7-4-700 series, as amended) authorizes the Miami County Plan Commission to review and approve or disapprove plats for subdivision throughout the County, except jurisdictions listed here, (Bunker Hill, Converse and City of Peru)”
  • Driveway accessLimited

    Access design for subdivisions in Miami County.

    • Subdivision regulations include separate access requirements for collector streets and primary arterials.
    • Subdivision land must have access to available public facilities and adequate transportation facilities.
    • The opened ordinance does not establish a universal driveway-permit threshold for every parcel.
    “Land to be subdivided shall be of such a character that it can be developed without peril to health or peril from flood, fire or other menace, and land shall not be subdivided until having access to available existing public facilities and until improvements and proper provision have been made for drainage, water, sewerage, other necessary new public improvements such as schools, parks, recreation facilities, and transportation facilities adequate for serving the subdivision.”
    2 more reviewed findings on this topic
    • Limited — Driveways and entrances on county roads, streets, and state highways in county zoning areas.
      “No Driveway or entrance shall be placed on any County Road, Street, or State Highway that does not have a minimum of five hundred (500) feet visual clearance in both directions.”
    • Required — Driveway and culvert access associated with building or agriculture permits.
      “A culvert/driveway permit issued from the Miami County Highway Department must be obtained before a Building Permit or Agriculture Permit can be issued.”
  • Permit feesPublished

    Published Miami County planning, building, subdivision, occupancy, and administrative fees.

    • Fees are governed by Miami County Ordinance 4-18-05 and are subject to change without notice.
    • The current fee schedule is identified on the page as Sitting Resolution 08-19-2025.

    certificate of occupancy with no permit: 125 USD · major subdivision base fee: 150 USD (plus $50 per lot) · minor subdivision base fee: 150 USD (plus $50 per lot) · re-inspection or failed inspection: 40 USD

    “Certificate of Occupancy (with no permit) | $125.00 [...] Major Subdivisions | $150.00 + $50.00 per lot [...] Minor Subdivision | $150.00 + $50.00 per lot [...] Re-inspection/Failed Inspection | $40.00”
    One more reviewed finding on this topic
    • Published (with conditions) — Miami County zoning and Improvement Location Permit fees in the reviewed ordinance schedule.
      “IMPROVEMENT LOCATION PERMITS $1.00 PER THOUSAND DOLLARS OF CONSTRUCTION WITH A MINIMUM CHARGE OF $5.00 AND A MAXIMUM CHARGE OF $100.00 DOLLARS.”
  • Permit processPartial

    Improvement Location Permit process for structures and changes in use under Miami County zoning.

    • The Plan Commission Office must issue the permit before erection, movement, addition, or structural alteration of a building or other structure.
    • A change of use also requires an Improvement Location Permit.
    • A dwelling permit requires an issued septic permit or Health Officer authorization of an approved system.
    • The permit expires or is revoked if work has not begun within 30 days or is not substantially completed within one year, unless extended.
    • Commercial uses require State Administrative Building Council approval of plans.

    work commencement deadline: 30 days (unless an extension is granted) · substantial completion deadline: 1 year (unless an extension is granted)

    “No building or other structure shall be erected, moved, added to, or structurally altered unless the Miami County Plan Commission office has issued an Improvement Location Permit. No change in use of a building or land shall be made without an Improvement Location Permit issued by the Miami County Plan Commission Office.”
    One more reviewed finding on this topic
    • Published (with conditions) — Miami County Improvement Location Permit process.
      “The application for an Improvement Location Permit shall be submitted to the Plan Commission Office and signed by the owner or applicant attesting to the accuracy of all information.”

Indiana rules that apply here

  • Building code adoptedAdopted (with conditions)

    Statewide Indiana construction subject to the Indiana Fire Prevention and Building Safety Commission's adopted building codes, including the Indiana Building Code and Indiana Residential Code.

    • The adopted codes consist of model codes amended for Indiana.
    • The 2014 Indiana Building Code under 675 IAC 13-2.6 is currently in effect and became effective December 1, 2014.
    • The 2020 Indiana Residential Code under 675 IAC 14-4.4 is currently in effect and became effective December 26, 2019.
    • Specific applicability depends on the structure and code category.

    Indiana Building Code effective date: 2014-12-01 · Indiana Residential Code effective date: 2019-12-26

    “The Fire Prevention and Building Safety Commission creates Indiana codes by adopting model codes and amending them to apply in Indiana.”
    2 more reviewed findings on this topic
    • Adopted (with conditions) — Indiana building and residential codes governing applicable construction in Miami County.
      “675 IAC 13-2.6 | 2014 Indiana Building Code | International Building Code, 2012 Edition, First Printing ANSI A117.1 Accessible and Usable Buildings and Facilities, 2009 Edition, First Printing | Currently in Effect Effective: 12/1/2014”
    • Adopted — Indiana's state-adopted building and fire-safety codes, including compliance requirements applicable through local units of government.
      “Each unit shall require compliance with the code of building laws and fire safety laws that is adopted in the rules of the fire prevention [...]”
  • Well permitLimited

    Construction of residential water-supply wells and installation of well pumps in Indiana.

    • Indiana Department of Health standards state that several local health departments require a permit before residential water-supply well construction or well-pump installation.
    • The cited statewide source does not identify which local health departments require permits; local requirements must therefore be checked for the specific property.
    • Water-well drillers must be licensed by the Indiana Department of Natural Resources.
    “Several local health departments now require that a permit be obtained before construction of a residential water supply well or installation of a well pump.”
  • Building in a floodplainLimited

    Development activities within the fringe portion of Indiana floodplains.

    • There is no state review or state permit for fringe development.
    • When a community adopts floodplain regulations, the regulations must be approved by the Department and may not be less restrictive than 312 IAC 10.
    • Most Indiana communities participate in the NFIP, which requires certain federal regulations to be adopted and enforced for the entire floodplain.
    • Local permits may still be required.
    “There is no State review of or permit issued for development activities within the fringe portion of the floodplain.”
    One more reviewed finding on this topic
    • Required — Most development activities in Indiana floodways, including fills, excavations, bridges, utilities, and non-residential structures.
      “The DNR Division of Water has jurisdiction in Indiana's floodways for most development activities.”
  • Campground & park staysLimited

    Occupancy of manufactured homes as principal residences in Indiana mobile home communities and related state health-regulated settings.

    • The state statute recognizes mobile homes and manufactured homes as suitable and necessary dwelling units in Indiana.
    • A mobile home community is generally land with at least five mobile homes or manufactured homes occupied as principal residences, subject to the statutory definition and included parcel configurations.
    • County and municipal authorities retain jurisdiction regarding zoning and building codes and ordinances pertaining to mobile home communities.
    • A mobile home community may not be operated without a license from the state department.
    • Occupied homes in a mobile home community must be connected to the community sewerage system at all times.
    • Each residential shelter in a mobile home community must have toilet, sink, and bath or shower facilities and be connected to water supply and sewer service before occupancy.
    • Mobile home community sites must meet and receive approval under local zoning requirements before construction begins.

    mobile homes or manufactured homes for statutory mobile home community definition: >= 5 homes (The statute also includes certain parcels with fewer units when specified shared-road, water, or sewer/septic conditions apply.) · mobile home community license duration: 4 years (The license expires at midnight on December 31.) · public water system distance threshold: > 2000 feet (A mobile home community is not required to use a public water system if the system is more than 2,000 feet away.)

    “Every shelter occupied as a residence in a mobile home community, whether mobile or permanent, shall be: 1. equipped with toilet, sink, and bath or shower facilities; and 2. Connected to the water supply and sewer service; before occupancy.”
    3 more reviewed findings on this topic
    • Limited — Recreational vehicle occupancy at a regulated Indiana campground campsite, rather than residential occupancy on an individually deeded lot or other land outside the rule's campground definition.
      “No more than one (1) recreational vehicle or one (1) vacation mobile home”
    • Limited — Temporary campgrounds operated in Indiana.
      “not more than ten (10) consecutive days per event”
    • Limited — Occupancy of manufactured homes in Indiana, especially occupancy in mobile home communities subject to state health and sanitation standards and local zoning and building-code authority.
      “Mobile home community sites shall: 1. meet all requirements of the local zoning commission; and 2. be approved by the commission; before construction begins. (c) Every shelter occupied as a residence in a mobile home community, whether mobile or permanent, shall be: 1. equipped with toilet, sink, and bath or shower facilities; and 2. Connected to the water supply and sewer service; before occupancy.”
  • county building authorityGeneral

    Indiana counties' authority to adopt and enforce administrative building-code provisions, including building-permit or plan-review requirements, for residential construction in their jurisdiction, including Class 2 one- and two-dwelling-unit structures.

    • A county's substantive building and fire-safety provisions outside mere incorporation of Fire Prevention and Building Safety Commission rules are described by IDHS as unenforceable and may not be adopted; modification of Commission standards may occur only through Commission rulemaking.
    • The State's county-or-municipality model ordinance excludes industrialized building systems and mobile structures certified under IC 22-15-4.
    • The model ordinance states that it is not applicable to regulated amusement devices, regulated boilers, regulated pressure vessels, or regulated lifting devices.
    • The model ordinance conditions permit issuance on a complete application, any applicable fee, conformity with applicable building and fire-safety laws, and no violation of other applicable ordinances or laws.
    “HEA 1575 did not eliminate the authority of local jurisdictions to adopt and enforce administrative provisions in building and fire safety ordinances”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Owner-builder exemption — Owner-builder exemptions from building-code or permit requirements.
  • Tiny homes — Tiny-home occupancy in unincorporated Miami County.
  • Short-term rentals — Short-term rental use in unincorporated Miami County.

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 Miami County, Indiana

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

Miami County scores 56/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and a durable current and mid-century hazard profile. Watch-outs: about 99,000 people within a 30-minute drive and more administrative friction around building and land use.

Do you need a building permit in Miami County, Indiana?

Miami County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Miami County Health Department, Environmental Health (Miami County Health Office). 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 Miami County?

Living in an RV on your own land in Miami County is limited to specific cases: Recreational vehicles parked or stored on residential-zoned property. Major recreational vehicles may be parked or stored only on the side or rear lot. No more than two pieces of equipment may be present. Confirm with the county before relying on it.

How much does land cost in Miami County, Indiana?

Land in Miami County runs about $7,928 per acre, based on the latest county data.

What is the water situation in Miami County?

Miami County gets about 40.6" of rain a year, with severe drought in roughly 2.5% of years.

How remote is Miami County?

A representative private-land location has about 99,000 people within a 30-minute drive and 5,239,555 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 Miami compares in Indiana

Compare side-by-side →See all 92 Indiana counties ranked →