Bolthole Index

Clinton County, Indiana

Building permits, zoning and septic rules in Frankfort, Indiana

Frankfort, Indiana requires a building permit from the city Building Inspector before construction begins.1 Frankfort administers city zoning, while septic permitting stays with the Clinton County Health Department.23 For a home in Clinton County outside Frankfort city limits, use the Clinton County guide to identify the county building and zoning requirements.4

At a glance

Building permit
Required before construction; city Building Inspector1
Zoning
City zoning applies; confirm the parcel’s district with Building Services25
Septic permits
Clinton County Health Department; required for homes not connected to sanitary sewer36
Occupancy
Full, partial or temporary certificate of occupancy required7
Inspections
Construction is subject to periodic city inspections8
Private wells
Ask Environmental Health about local approval; Indiana requires licensed well drillers9

Who to call

Building permits

Frankfort Building Services/ Planning/ Zoning

City building-permit applications, construction inspections and zoning questions.

(765) 654-5278

301 E Clinton St Frankfort, IN 46041

Septic permits

Clinton County Health Department — Environmental Health

County septic permitting and environmental-health questions, including properties inside Frankfort.

(765) 659-6385

[email protected]

1234 Rossville Ave Frankfort, IN 46041

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

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

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

Do you need a building permit in Frankfort, IN?

Frankfort prohibits construction unless the work conforms to a valid building permit obtained from the Building Inspector before construction starts.1 Frankfort also subjects all construction to periodic Building Inspector inspections, even when a building permit is not required.8 Treat building approval and permission to move in as separate milestones: occupying a Frankfort building requires a full, partial or temporary certificate of occupancy, and the building must comply with the Building Code.7 Ask Building Services to identify the building-permit and inspection requirements for your specific project before scheduling work.10

Who issues building permits in Frankfort, and how do you reach them?

Frankfort’s Building Inspector issues the city building permit; the city Building Services/ Planning/ Zoning office is the starting point for building and zoning questions.110 Reach Building Services at (765) 654-5278 or visit 301 E Clinton St Frankfort, IN 46041.10 The city department page links building-permit and certificate-of-occupancy applications and a permit-fee schedule adopted in June 2026.10 Ask the city office to calculate the current building-permit charge for your project.10 Septic questions belong with Clinton County Health Department rather than the city building counter.3

Does Frankfort have zoning, and how do you check lot size and setbacks?

Frankfort has city zoning, and residential uses must comply with the applicable district requirements.2 The city Building Services page identifies a Unified Development Ordinance adopted in 2023; request the current district standards from that office before designing a house.10 Frankfort’s zoning materials identify district boundaries, a zone map and zoning charts, so the parcel’s district matters when evaluating a proposed residential use.5 We could not confirm current numerical lot-size, dwelling-size or lot-coverage requirements for a Frankfort home; ask Building Services for the standards for the actual parcel.10

How do septic permits work inside Frankfort?

Clinton County Health Department handles septic permitting in Clinton County, including the county-level health review separate from Frankfort’s building approval.3 For a Frankfort residence that will not connect to sanitary sewer, Indiana’s residential onsite-sewage requirements call for a written construction permit signed by the health officer before the covered residential work begins.6 The application includes an onsite soils evaluation, bedroom information and compliant written plans.6 Installation also needs final health-officer inspection and approval.11 Ask Environmental Health to confirm the local application and inspection procedure; we could not confirm a new-home public-sewer connection-distance rule for Frankfort.12

Can you live in an RV or tiny home on land in Frankfort?

We could not confirm a Frankfort rule allowing residential RV occupancy, temporary camping or tiny-home occupancy on a private lot; ask Building Services about the proposed use and the parcel’s zoning district before relying on that housing plan.10 Indiana’s RV campground rule applies to regulated campgrounds and does not establish permission for residential RV living on an individually deeded lot in Frankfort.13 A proposed Frankfort dwelling still needs the applicable city building approval and a certificate of occupancy before occupation.17 Indiana also retains local zoning and building-code authority over mobile-home communities.14

Building a home in Frankfort: what are the steps, in order?

  1. Ask Frankfort Building Services to confirm the parcel’s zoning district and the current residential development standards.510
  2. Resolve wastewater disposal: if the home will not connect to sanitary sewer, obtain the health-officer-signed septic construction permit before the covered work begins.6
  3. Submit the city building-permit application and obtain the Building Inspector’s valid permit before starting construction.101
  4. Coordinate periodic city construction inspections and, for septic installation, the health officer’s final inspection.811
  5. Obtain a full, partial or temporary certificate of occupancy from Frankfort’s Building Inspector before moving in.7

Watch-outs

  • Frankfort’s city office lists a permit-fee schedule adopted in June 2026; ask Building Services for the current building-permit charge before budgeting.10
  • We could not confirm an owner-builder exemption in Frankfort; ask the city Building Inspector whether your proposed work has any exemption before construction.10
  • Indiana requires licensed water-well drillers, but local residential well-permit requirements vary; ask Clinton County Environmental Health about a proposed Frankfort well.912

Sources

  1. § 156.10 Building Permit Required (Frankfort), quoted and re-checked
  2. Chapter 155: Zoning Code (Frankfort), quoted and re-checked
  3. Clinton County: Staff, quoted and re-checked
  4. Clinton County Area Plan Commission, quoted and re-checked
  5. Chapter 155: Zoning Code (Frankfort), quoted and re-checked
  6. 410 IAC 6-8.3 Residential Onsite Sewage Systems, quoted and re-checked
  7. § 156.13 Certificate of Occupancy (Frankfort), quoted and re-checked
  8. § 156.20 General Authority to Make Inspections and Investigations (Frankfort), quoted and re-checked
  9. Recommended Standards For Private Water Wells (Indiana statewide rule), quoted and re-checked
  10. Frankfort Building Services/ Planning/ Zoning (frankfort-in.gov)
  11. 410 IAC 6-8.3 Residential Onsite Sewage Systems, quoted and re-checked
  12. Clinton County Health Department — Environmental Health (in.gov)
  13. Environmental Public Health: 410 IAC 6-71 Campgrounds (Indiana statewide rule), quoted and re-checked
  14. Environmental Public Health: IC 16-41-27 Health Sanitation and Safety: Mobile homes and manufactured homes (Indiana statewide rule), quoted and re-checked

Written October 12, 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.

Answers from the rulebook for Frankfort

Frankfort’s own rules

  • Building permitRequired

    Construction inside Frankfort city limits.

    • A valid building permit must be obtained from the Building Inspector before construction begins.
    “Construction is prohibited unless in conformity with a valid building permit obtained from the Building Inspector prior to commencement of construction.”
  • Building code adoptedAdopted

    Buildings inside Frankfort city limits.

    • Chapter 156 includes minimum construction standards and adoption of rules by reference.
    “CHAPTER 156: BUILDING CODE [...] Effect of adoption on prior ordinance [...] Minimum Construction Standards [...] Adoption of rules by reference”
  • InspectionsRequired

    All construction inside Frankfort city limits.

    • Inspections are periodic.
    • The requirement applies irrespective of whether a building permit has been or is required to be obtained.
    “All construction shall be subject to periodic inspections by the Building Inspector irrespective of whether a building permit has been or is required to be obtained.”
  • Certificate of occupancyRequired

    Occupancy of buildings or structures inside Frankfort city limits.

    • The building must comply with the Building Code.
    • A full, partial, or temporary certificate may be issued by the Building Inspector.
    “No certificate of occupancy for any building or structure shall be issued unless such building or structure was constructed in compliance with the provisions of this Building Code. It shall be unlawful to occupy any such building or structure unless a full, partial, or temporary certificate of occupancy has been issued by the Building Inspector.”
  • Local zoningPresent

    Land inside Frankfort city limits.

    • Residential uses must comply with the applicable district requirements and §§ 155.031 through 155.034.
    “CHAPTER 155: ZONING CODE [...] Establishment of districts; zone map [...] District boundaries [...] Appendix A: Zoning charts [...] Appendix B: Zoning development plan”
  • Zoning districtsPublished

    Zoning districts and district standards inside Frankfort city limits.

    • The code identifies district establishment, district boundaries, a zone map, and zoning charts.
    • Specific district dimensional tables were not retrieved.
    “Districts [...] Establishment of districts; zone map [...] District boundaries [...] Appendix A: Zoning charts [...] Appendix B: Zoning development plan”
  • Building heightSpecified

    Dwellings in Frankfort districts limiting building height to 25 feet.

    • A dwelling may be increased above 25 feet only up to 35 feet.
    • Each required side-yard dimension must increase one additional foot for each foot above 25 feet.

    base height limit: 25 feet · maximum increased dwelling height: <= 35 feet (Only in districts limiting height to 25 feet and subject to increased side yards)

    “In the districts limiting building height to 25 feet, a dwelling may be increased in height not to exceed 35 feet, provided that each of the required side yard dimensions is increased an additional foot for each foot the structure exceeds 25 feet in height.”
  • Accessory dwellingsProhibited

    Accessory buildings used for human occupancy inside Frankfort city limits.

    • The section permits strictly storage use as an exception.
    • The principal building must be erected first.
    “Accessory buildings are permitted in all districts, but not prior to the erection of the principal building, except for strictly storage purposes, and not for human occupancy.”
  • Subdividing landRegulated (with conditions)

    Subdivision and building setback control inside Frankfort city limits.

    • Building setback lines are controlled by the zoning code or the City Plan Commission.
    “CHAPTER 153: SUBDIVISION CONTROL [...] Building setback lines shall be as provided in the zoning code, Chapter 155, or as provided by the City Plan Commission.”
  • Permit feesPublished (with conditions)

    Building permits and certificates of occupancy inside Frankfort city limits.

    • Permit fees include all inspections.
    • The code lists fees for multiple building and occupancy categories.

    single/duplex dwelling permit fee: 200 USD (Plus $0.02 per square foot over 1,500 square feet total floor area; includes manufactured homes) · mobile home permit fee: 50 USD (Designated mobile home parks only) · residential certificate of occupancy application: 30 USD (Application fee includes inspection)

    “Permit fees include all inspections [...] Single/duplex dwellings [...] $200 plus $.02 per sq. ft. over 1,500 sq. ft. total floor area [...] Mobile homes [...] $50 [...] Application for Certificate of Occupancy [...] Residential [...] $30”
  • Permit processPartial

    Building-permit process inside Frankfort city limits.

    • The code identifies application, issuance, certificate-of-occupancy, and fee sections.
    • Construction cannot begin before a valid permit is obtained.
    “Building Permits [...] Building permit required [...] Application for building permit [...] Issuance of building permit [...] Certificate of occupancy [...] Fees”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Frankfort or Clinton County directly.

  • Owner-builder exemption — Owner-builder exemptions inside Frankfort city limits.
  • Minimum dwelling size — Minimum dwelling size in Frankfort residential districts.
  • Minimum lot size — Minimum lot size in Frankfort residential districts.
  • Lot coverage — Lot coverage inside Frankfort city limits.
  • Living in an RV — RV occupancy inside Frankfort city limits.
13 more unanswered
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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.

Unanswered questions are usually a sign that Frankfort publishes no rule on the point, not that none exists. Clinton County’s page lists the county offices to call.

← All of Clinton County: county rules, score and offices