Unincorporated Delaware County, Indiana requires a building permit, and the Building Commissioner's Office also acts as the county's Zoning Administrator12. The 2020 Indiana Residential Code applies to covered one- and two-family dwellings, while septic permits go through the Delaware County Health Department34.
At a glance
- Building permit
- Required in unincorporated Delaware County1
- Zoning
- Yes, administered by the Building Commissioner as Zoning Administrator2
- Septic permits
- Delaware County Health Department, Environmental Health Division4
- Owner-builder exemption
- Not confirmed on county sources; ask the Building Commissioner's Office5
- Contractor registration
- General, electrical, plumbing and HVAC contractors must register annually with the county6
- Commercial construction
- Needs a State of Indiana design release plus local permits7
- Septic soil suitability
- Only 0.4% of county soils avoid a severe USDA rating for a conventional drain field8
- High-capacity well
- Generally no state permit outside Indiana's Great Lakes Basin; large withdrawals must be registered9
Who to call
Building permits
Delaware County Building Commissioner's Office (Zoning Administrator)
Building permits, inspections and zoning administration for unincorporated Delaware County; a division of the Delaware-Muncie Metropolitan Plan Commission Office
100 W Main St, Muncie IN 47305
Septic permits
Delaware County Health Department, Environmental Health Division
Onsite sewage (septic) system permits, new-construction and repair/replacement applications and fees for Delaware County
125 N Mulberry Street, Muncie, IN 47305
Also useful
Delaware County Flood Disaster Recovery / FEMA Assistance Information
County information page on applying for FEMA Individual Assistance after Delaware County's August 2026 flood disaster
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Delaware County, Indiana?
Unincorporated Delaware County, Indiana requires a building permit, and the county's Building Commissioner's Office issues permits for projects in the unincorporated county16. Covered one- and two-family dwellings are subject to the 2020 Indiana Residential Code, which is Indiana's amended version of the 2018 International Residential Code3. The Building Commissioner's Office conducts inspections under codes adopted by Indiana6. We could not confirm whether Delaware County has an owner-builder exemption from its permit process, so ask the Building Commissioner's Office before assuming you can pull the permit without a licensed contractor5.
Who is the Delaware County building department, and how do you reach them?
Delaware County's Building Commissioner's Office is a division of the Delaware-Muncie Metropolitan Plan Commission and also serves as the county's Zoning Administrator26. Reach the office at (765) 747-7799, at 100 W Main St, Muncie, Indiana6. General, electrical, plumbing and HVAC contractors working in unincorporated Delaware County must register annually with the Building Commissioner's Office and maintain current insurance coverage6. A commercial project in the unincorporated county must also be submitted to the State of Indiana for review and obtain a state design release before the county will issue the required local building permits, a review that typically takes about 20 business days once a project is selected for plan review67.
Does Delaware County have zoning?
Delaware County has zoning in the unincorporated county, administered by the same Building Commissioner's Office that also issues building permits, acting as the county's Zoning Administrator2. A landowner who wants to subdivide land outside a municipality must record a correct, surveyor-certified plat with the county recorder, and once Delaware County's subdivision-control ordinance applies, the plan commission has exclusive control over approving that plat10. Because the specific district rules, setbacks and allowed dwelling types come from the county's own zoning ordinance and map rather than from a statewide rule, confirm your parcel's zoning district with the Building Commissioner's Office at (765) 747-7799 before you buy6.
How do septic permits work in Delaware County?
Delaware County septic permits go through the Delaware County Health Department's Environmental Health Division, not the Building Commissioner's Office4. Indiana's residential onsite sewage rule is administered by local boards of health, while the Indiana Department of Health reviews local permit programs and installations11. A new-construction septic permit costs $180 and a repair or replacement application costs $70 at the Delaware County Health Department12. Only about 0.4% of Delaware County's soils avoid a severe USDA limitation for a conventional drain field, so make the site evaluation an early purchase contingency rather than assume a standard drain field will pass8. A home that cannot connect to sanitary sewer needs a compliant septic tank and soil absorption system; Indiana does not allow cesspools or drywells, and a holding tank is not a routine permanent substitute13. Reach Environmental Health at 765-747-7721, 125 N Mulberry Street, Muncie, Indiana12.
Can you live in an RV or tiny home on your land in Delaware County?
Indiana's statewide campground rule only governs licensed campgrounds with ten or more tents, RVs or vacation mobile homes, and caps occupancy at one RV per designated campsite there; it does not authorize or address long-term residential RV living on an individually deeded rural lot14. Whether you can live in an RV or place a tiny home on your Delaware County land is a zoning question for the Building Commissioner's Office, since Delaware County's own zoning ordinance, not a statewide rule, decides what a specific parcel allows2. A temporary campground under Indiana's rules is capped at ten consecutive days per event and thirty days a year, which is a short-term event rule, not a residential-occupancy rule, so it likewise does not answer whether you can live on your land in an RV15. Call the Building Commissioner's Office at (765) 747-7799 before you buy to ask specifically about RV and tiny-home occupancy for your parcel's zoning district6.
Building a home in Delaware County, Indiana: the steps, in order
- Confirm the parcel's zoning district with the Building Commissioner's Office at (765) 747-7799 before you buy62.
- If the parcel is not on public sewer, apply for a septic permit through the Delaware County Health Department; new construction is $18012.
- For a private well, ask Environmental Health whether Delaware County requires a local permit; Indiana's statewide material does not identify which local departments require one16. A high-capacity well generally needs no state permit outside Indiana's Great Lakes Basin, but a facility capable of at least 100,000 gallons per day must be registered with the DNR Division of Water after completion9.
- Apply for the county building permit through the Building Commissioner's Office61.
- A covered commercial project must obtain the applicable Indiana design release as well as local permits7.
- For a driveway onto a state highway, apply through INDOT's Electronic Permit System17.
- If the parcel touches a floodway, check with the Indiana DNR Division of Water before development18.
- If applicable, complete county contractor registration and schedule inspections with the Building Commissioner's Office6.
What to check before you buy land in Delaware County
Delaware County sits about 34 miles from the nearest city of 100,000 or more people by straight-line distance19. About 99.6% of the county's land has a slope of 15% or less, while only 16.9% is wooded2021. The county gets about 42 inches of rain a year, and severe drought occurs in about 1.4% of years2223. Farmland value is about $5,358 an acre, the typical home value is about $173,835, and typical home insurance is about $1,436 a year242526. The effective property tax rate is about 0.8%, with a median annual bill of about $9972728. Before buying, make septic approval, legal road access and the parcel's flood status explicit contingencies: Indiana DNR regulates most development in a floodway, while flood-fringe work can still be subject to local rules even though the state does not issue the permit1829.
Watch-outs
- A high-capacity well generally needs no state permit outside Indiana's Great Lakes Basin, but withdrawals of at least 100,000 gallons per day must be registered with the DNR Division of Water9.
- Confirm whether Delaware County allows an owner-builder exemption before assuming you can skip a licensed contractor; county sources do not clearly state one either way5.
- General, electrical, plumbing and HVAC contractors must register annually with the Building Commissioner's Office in unincorporated Delaware County, so budget time for that step if you're hiring out the work6.
Sources
- Delaware County - Apply for a Building Permit (2026 county census)
- Delaware County Building Commissioner and Code Enforcement (2026 county census)
- DHS: Rules of the Indiana Fire Prevention and Building Safety Commission, quoted and re-checked
- Delaware County Health Department - Onsite Sewage Systems (2026 county census)
- (2026 county census)
- Delaware County Building Commissioner's Office (Zoning Administrator) (delawarecounty.in.gov)
- Building Plan Review (Indiana statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Water: Water Availability Use/Rights Frequently Asked Questions, quoted and re-checked
- 2023 County Recorders Resource Library (Indiana statewide rule), quoted and re-checked
- 410 IAC 6-8.3 Residential Onsite Sewage Systems, quoted and re-checked
- Delaware County Health Department, Environmental Health Division (delawarecounty.in.gov)
- 410 IAC 6-8.3 Residential On-Site Sewage Systems (Indiana statewide rule), quoted and re-checked
- Environmental Public Health: 410 IAC 6-71 Campgrounds (Indiana statewide rule), quoted and re-checked
- Environmental Public Health: 410 IAC 6-71 Campgrounds (Indiana statewide rule), quoted and re-checked
- Recommended Standards For Private Water Wells (Indiana statewide rule), quoted and re-checked
- INDOT Driveway Permit Guide 2024 (Indiana statewide rule), quoted and re-checked
- Water: Community Assistance & Information (Indiana statewide rule), quoted and re-checked
- Distance to the nearest metro area: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Farmland value per acre (USDA census): Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
- Typical home insurance premium: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Water: Community Assistance & Information (Indiana statewide rule), quoted and re-checked
Written September 29, 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.