Steuben County, Indiana requires a building permit before construction begins, with a narrow exception for certain small detached accessory buildings1. Unincorporated Steuben County is zoned, and private septic and well approvals are part of the county permit path23. An RV outside an RV park requires a special exception from the Board of Zoning Appeals4.
At a glance
- Building permit
- Required before construction, with a narrow accessory-building exception1
- Zoning
- Yes, on unincorporated land2
- Septic authority
- Steuben County Health Department3
- Private well
- County permit required before installation or replacement5
- RV on private land
- Special exception required outside an RV park4
- Accessory dwelling
- One may be allowed with size, utility and setback conditions6
- Owner-builder exemption
- Not confirmed7
- Conventional septic soils
- 13.4% rate free of severe limits8
Who to call
Building permits
Steuben County Building Department
Building permits and inspections
317 South Wayne Street Suite 3H, Angola, IN 46703
Zoning
Steuben County Plan Commission
Zoning, improvement-location permits, special exceptions and floodplain questions
317 South Wayne Street Suite 3H, Angola, IN 46703
Septic permits
Steuben County Health Department
Private septic and well permits
317 S. Wayne Street Suite 1B, Angola, IN 46703
Roads & driveways
Steuben County Highway Department
County-road driveway and right-of-way questions
1900 North 200 West, Angola, IN 46703
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Steuben County, Indiana?
Yes. Steuben County prohibits construction from starting before the Building Commissioner issues a valid building permit9. A detached accessory building serving a one- or two-family dwelling is exempt only when it is under 120 gross square feet and no more than one story9. Work that does require a permit must comply with the building code adopted by Indiana10. County-regulated construction remains subject to periodic inspection even when a building permit was not required, and the Building Commissioner may require at least 24 hours' notice for an inspection11. A regulated building cannot be occupied until the Building Commissioner issues a full, partial or temporary certificate of occupancy12. Ask the Building Department to classify the exact structure before ordering materials13.
Who is the Steuben County building department, and how do you reach it?
The Steuben County Building Department is at 317 South Wayne Street, Suite 3H, Angola, and its telephone is (260)668-1000 ext 125013. The county's published permit path may require driveway approval, waste-district consent, a Health Department septic or well document, drainage approval, an Improvement Location Permit and then the building permit14. Zoning and land-use questions go to the Steuben County Plan Commission in Suite 3H at (260)668-1000 ext 160015. Septic and well questions go to the Steuben County Health Department in Suite 1B at (260) 668-1000 ext. 150016. For access from a county road, contact the Highway Department at (260) 668-1000 ext 360017.
Does Steuben County, Indiana have zoning?
Yes. Steuben County controls land use and development in unincorporated Steuben County through its zoning ordinance18. The ordinance's use table marks uses as permitted, special exception or prohibited, and an unlisted use is not permitted19. Agriculture and Environmental Control districts each require at least one acre and 120 feet of lot width for newly created lots, while existing lots of record remain subject to the nonconforming-lot rules20. Site constraints can add setbacks: the county specifies 25 feet from wetlands, 50 feet from railroad rights-of-way, 75 feet from county-regulated drains and eight feet from alleys21. Splitting land also triggers the Steuben County Subdivision Control Ordinance22. Ask the Plan Commission for the parcel's district, use classification and required Improvement Location Permit before treating a listing as buildable15.
How do septic permits work in Steuben County?
The Steuben County Health Department issues residential onsite sewage permits under Indiana's statewide standards23. Where private sewage approval is needed before a building permit, the applicant must obtain a septic permit or an accepted letter of non-objection24. The published septic permit fee is $60 and the permit is valid for one year24. Only 13.4% of county soils rate free of severe limits for a conventional septic drain field, so make the site evaluation an early contingency rather than assuming a conventional layout will work8. Indiana residential sanitation generally requires a compliant septic tank and working soil absorption system when sewer is unavailable; drywells and cesspools are not allowed, and holding tanks are tightly limited25. Contact the Health Department before fixing a house site or bedroom count16.
Can you live in an RV or tiny home on your land in Steuben County?
An RV cannot simply be placed on unincorporated Steuben County land outside an RV park: the Board of Zoning Appeals must grant a special exception4. Inside a public camp or recreational area, an RV, motor home or other structure may be used only for temporary seasonal or vacation occupancy, not as a permanent dwelling26. Tiny-home occupancy is not specifically resolved by the reviewed county material, so ask the Plan Commission how the unit would be classified in the parcel's zoning district15. One accessory dwelling may be created on a lot with an existing single-family home, but county size, water, sewage and setback conditions apply6. A temporary mobile home outside a mobile-home park has a separate permit path and may be occupied for no more than one year if every listed condition is met27.
How do you build a home in Steuben County, step by step?
- Ask the Plan Commission to confirm the zoning district, allowed residential use, setbacks and Improvement Location Permit requirements14.
- If the driveway enters a county road, obtain county approval; if it enters an Indiana state highway, apply through INDOT's Electronic Permit System1428.
- Secure waste-district consent when applicable, or obtain the Health Department's required septic and well permits or letter of non-objection29245.
- Resolve any county-regulated-drain or floodplain approval before construction1430.
- Submit the supporting approvals with the building application before work begins9.
- Schedule required inspections with the Building Department and obtain a certificate of occupancy before moving in1112.
What should you check before buying land in Steuben County?
Start with the zoning map, allowed-use table and recorded lot status, because unlisted uses are prohibited and newly created lots must meet district dimensions1920. Check wetlands, county-regulated drains and floodplain boundaries before choosing a building pad; local floodplain approval is required before development in covered areas, and state authorization may also apply in a floodway3031. Verify road jurisdiction before planning a driveway28. Private wells require a written county permit before installation or replacement5. Conventional septic conditions are a meaningful risk because only 13.4% of soils rate free of severe limits8. For cost context, farmland averages about $8,158 per acre, while the median property-tax bill is about $1,188 a year at a 0.6% effective rate323334.
Watch-outs
- Do not assume a small shed is exempt: the exception applies only to a detached accessory building serving a one- or two-family dwelling that is under 120 gross square feet and no more than one story9.
- An agricultural building may avoid Indiana's Class 1 design-release classification when it meets the state's conditions, but that does not establish an exemption from Steuben County zoning, permitting or inspection35.
- The county materials reviewed did not confirm an owner-builder exemption or a specific tiny-home occupancy rule; ask the Building Department and Plan Commission before relying on either1315.
Sources
- Steuben County Code of Ordinances (2026 county census)
- Zoning Ordinance (2026 county census)
- Permit Process And Property Information (2026 county census)
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- (2026 county census)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Steuben County Code of Ordinances, quoted and re-checked
- Permit Application Form, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Building Department (co.steuben.in.us)
- Permit Process And Property Information, quoted and re-checked
- Steuben County Plan Commission (co.steuben.in.us)
- Steuben County Health Department (co.steuben.in.us)
- Steuben County Highway Department (co.steuben.in.us)
- Zoning Ordinance, quoted and re-checked
- Zoning Ordinance, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Permit Process And Property Information, quoted and re-checked
- Permit Process And Property Information, quoted and re-checked
- 410 IAC 6-8.3 Residential On-Site Sewage Systems (Indiana statewide rule), quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- INDOT Driveway Permit Guide 2024 (Indiana statewide rule), quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Steuben County Code of Ordinances, quoted and re-checked
- Water: Community Assistance & Information (Indiana statewide rule), quoted and re-checked
- Farmland value per acre (USDA census): Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Plan Review FAQs (Indiana statewide rule), quoted and re-checked
Written September 27, 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.