Boone County, IN Building Permits, Zoning & Septic

Unincorporated Boone County, Indiana requires a building permit for new construction through the Boone County Area Plan Commission¹. The commission also administers zoning, building and floodplain rules in the unincorporated county². The Boone County Health Department separately permits and inspects onsite sewage systems³.

At a glance

Building permit: Required for new construction in unincorporated Boone County through the Area Plan Commission¹
Zoning: Yes; Area Plan administers zoning in unincorporated Boone County and the Town of Advance²⁴
Septic permit: The Boone County Health Department regulates, permits and inspects onsite sewage systems³
Private well permit: Boone County's requirement is unconfirmed; ask Environmental Health before drilling⁵
RV or tiny-home living: County rules were not confirmed; ask Area Plan about the parcel and proposed use²
Owner-builder exemption: No Boone County exemption was confirmed; ask Area Plan before relying on one⁶
Farm buildings: A narrow state design-release exemption may apply, but local rules can still apply⁷

Who to call

Building permits

Boone County Area Plan Commission

Building and improvement location permits for unincorporated Boone County and the Town of Advance

765-482-3821

Boone County Office Building, 116 W. Washington St., Suite 101, Lebanon, IN 46052

Zoning

Boone County Area Plan Commission

Zoning, floodplain and subdivision matters for unincorporated Boone County and the Town of Advance

765-482-3821

Boone County Office Building, 116 W. Washington St., Suite 101, Lebanon, IN 46052

Septic permits

Boone County Health Department - Environmental Health Division

Onsite sewage system permits and inspections in Boone County

765-483-4458

Boone County Office Building, 116 W. Washington St., Suite B202, Lebanon, IN 46052

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 Boone County, IN?

Yes. The Boone County Area Plan Commission issues improvement location permits, described by the county as building permits, for new construction in unincorporated Boone County¹⁸. Indiana allows local jurisdictions to require building permits, establish inspection schedules and enforce local administrative building provisions⁹. Indiana's current residential code is the state-amended code for one- and two-family dwellings, while Boone County's local permitting and zoning requirements still apply¹⁰. A building used only for an agricultural purpose on the land where that activity occurs, and not for retail trade, is outside the state's Class 1 design-release classification; that narrow exemption does not erase local zoning, permit or inspection requirements⁷.

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

The Boone County Area Plan Commission is the first stop for building permits, zoning and floodplain questions in unincorporated Boone County⁸. The office also serves the incorporated Town of Advance⁸. Call 765-482-3821 or visit the Boone County Office Building, 116 W. Washington St., Suite 101, Lebanon, IN 46052⁸. Area Plan says it issues improvement location permits for new construction under the county zoning, building and subdivision-control ordinances⁸. Ask the office to identify the parcel's zoning district, required application materials, inspections and whether the project will need a final inspection tied to a certificate of occupancy; the county fee schedule identifies a $90 final inspection requiring a certificate of occupancy but does not show that every project needs one¹¹.

Does Boone County have zoning?

Yes. The Boone County Area Plan Commission administers and enforces zoning, floodplain and building regulations for unincorporated Boone County². Area Plan also serves the Town of Advance, while another incorporated municipality may have its own authority⁴. Confirm jurisdiction and the zoning district before treating a use, setback, building height or lot configuration as allowed. Boone County's published materials do not confirm countywide answers for minimum home size, minimum lot size, setbacks, accessory dwellings, manufactured homes or tiny homes, so ask Area Plan for parcel-specific standards. If land will be divided outside a municipality, Indiana requires a correct certified plat to be recorded before lots are sold, and an adopted subdivision-control ordinance can place plat approval with the plan commission¹².

How do septic permits work in Boone County?

The Boone County Health Department's Environmental Health Division regulates, permits and inspects onsite sewage systems throughout Boone County³¹³. Call 765-483-4458 or visit Suite B202 at 116 W. Washington St. in Lebanon¹⁴. For a residential onsite sewage permit, submit the application and soil report, floor plans and fee, then provide a certified and signed plot plan prepared by a land surveyor or professional engineer; the department reviews the plan and may request revisions¹⁵. If a perimeter-drain outlet lies off the property, a signed and recorded easement is required before permit issuance¹⁵. USDA soil data rates 0% of Boone County soils as free of severe limitations for a conventional drain field, making a site-specific soil evaluation especially important¹⁶. Indiana requires a compliant septic tank and soil absorption system where a dwelling cannot connect to sewer, and it does not allow drywells or cesspools as onsite treatment¹⁷.

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

Boone County's published materials do not confirm a general rule allowing or prohibiting long-term RV living, temporary camping or tiny-home occupancy on a private parcel. Ask the Boone County Area Plan Commission whether the proposed use is allowed in the parcel's zoning district and what building, placement and occupancy approvals apply²⁴. Indiana's campground rule does not answer the private-lot question: it governs qualifying campgrounds and expressly distinguishes individually deeded lots¹⁸. A tiny home intended as a dwelling still needs a parcel-specific zoning and building review because Boone County requires building permits for new construction in its unincorporated jurisdiction¹. Off-grid sanitation is not a shortcut; an Indiana dwelling without a sewer connection must use a compliant onsite sewage system, while temporary holding tanks are allowed only under limited conditions¹⁷.

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

Ask the Boone County Area Plan Commission to confirm jurisdiction, zoning, floodplain status and the approvals required for the proposed home⁴.
Start the septic review with Environmental Health by submitting the application and soil report; follow with floor plans, the fee and a certified plot plan¹⁵.
Ask Environmental Health whether Boone County requires a private-well permit for the parcel, because the county requirement could not be confirmed from the published material⁵.
If the driveway connects to an Indiana state highway, apply through the INDOT Electronic Permit System¹⁹.
Apply to Area Plan for the improvement location permit required for new construction in unincorporated Boone County¹⁸.
Complete the locally required inspections and ask whether the project needs the final inspection associated with a certificate of occupancy²⁰¹¹.

What should you check before buying land in Boone County?

Start with septic feasibility: USDA soil data rates 0% of Boone County soils as free of severe limits for a conventional drain field, so obtain the required soil report before committing to a house site¹⁶¹⁵. Confirm zoning, floodplain status and legal access with Area Plan; Indiana DNR has jurisdiction over most development in a floodway, and local rules may apply elsewhere in the floodplain⁴²¹²². Boone County is mostly gentle terrain, with about 99.6% of land at a 15% slope or less, but only about 10.1% is wooded²³²⁴. The nearest city of 100,000 or more is about 18 miles from the county center²⁵. For carrying costs, the effective property-tax rate is about 0.8%, the median property-tax bill is about $2,725 per year, and the typical home-insurance premium is about $1,577 per year²⁶²⁷²⁸.

Watch-outs

A published private-well permit requirement for Boone County could not be confirmed; ask Environmental Health before scheduling a driller⁵.
No official Boone County source confirms an owner-builder exemption, so ask Area Plan before assuming that doing your own work changes the permit requirement⁶.
A state agricultural design-release exemption does not by itself exempt a farm building from Boone County zoning, permits or inspections⁷.

Sources

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.

How Boone County scores

Seclusion14100% ev.

Self-Sufficiency36100% ev.

Admin Boringness4190% ev.

Durability79100% ev.

Property Autonomy71100% ev.

Carry Cost63100% 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 →

$425kTypical home

0.8%Property tax

$9,472Land / acre

42.2"Annual rain

1.9% of yrsSevere drought

4 / yr (+3.9)Mid-century 100°F days

13 daysMid-century dry spell

1.84" (+8.9%)Mid-century 1-day rain

1.81×Wildfire change factor

100%Forward climate coverage

$1,577Home insurance / yr

1.3% / yrInsurance growth

0.97%Nonrenewal rate

county median (2+ published ZIPs)Insurance basis

235,735People within 30 min

4,202,506People within 2 hr

246,074Radius comparison (15 mi)

180People / sq mi

0%Federal land

99.6%Land at 15% slope or less

0%Septic soil without severe limits

0 acWorkable land screen

10.1%Wooded land

68.3 tonsBiomass / forest ac

51.3°FAvg temp

Answers from the rulebook for Boone County

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

Boone County rules

Certificate of occupancyLimited
Projects in unincorporated Boone County for which a Certificate of Occupancy is required.
- The fee schedule separately identifies a final inspection requiring a Certificate of Occupancy; the reviewed sources do not establish that every project requires one.
final inspection requiring Certificate of Occupancy fee: 90 USD
“Final requiring Certificate of Occupancy $90”
Boone County APC - Fee Schedule ↗Re-checked Sep 26, 2026
Who permits septicCounty (with conditions)
Onsite sewage systems installed in Boone County.
- The Boone County Health Department Environmental Health Division regulates, permits, and inspects onsite sewage systems.
- The county page states that requirements include Indiana State Department of Health Rule 410 IAC 6-8.3 and Boone County Ordinance 94-7.
“regulated, permitted and inspected by the health department”
Waste Water - Boone County, Indiana ↗Re-checked Sep 26, 2026
Permit processPublished (with conditions)
Residential onsite sewage system permit process administered by the Boone County Health Department.
- Submit a completed application and soil report.
- File floor plans and the application fee.
- Obtain a certified and signed plot plan from a land surveyor or professional engineer.
- The department reviews the plot plan and may require revisions.
- An easement must be signed and recorded before permit issuance when the perimeter-drain outlet is not on the property.
“Submit a completed application and soil report”
Waste Water - Boone County, Indiana ↗Re-checked Sep 26, 2026
County-wide zoningPresent
The Area Plan Commission administers and enforces the Boone County Zoning Ordinance (along with floodplain and building regulations) for the unincorporated county.
Boone County IN - Area Plan Commission ↗Scouted from the county site, not yet independently re-checked

Indiana rules that apply here

Building permitLimited
Building-permit or plan-review requirements for construction in Indiana; the state describes these as administrative provisions local jurisdictions may adopt and enforce.
- Whether a building permit or plan review is required depends on the applicable local jurisdiction's administrative ordinance or process.
- The cited IDHS statement says local jurisdictions retain authority to establish departments, create inspection schedules, establish fines, and create an order-review process.
- IDHS states its summary represents the agency's position and is not binding; initial determinations about enforceability of a specific ordinance are left to the local unit administering it.
“However, HEA 1575 did not eliminate the authority of local jurisdictions to adopt and enforce administrative provisions in building and fire safety ordinances, which include, among other things: (1) the establishment of departments; (2) the requirement to obtain a building permit or plan review; (3) the creation of inspection schedules; (4) the establishment of fines; or (5) the creation of an order review process.”
DHS: Boards and Commissions ↗Re-checked Sep 11, 2026
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.”
Rules of the Indiana Fire Prevention and Building Safety Commission ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Adopted (with conditions) — Indiana residential construction, including Boone County.
  “675 IAC 14-4.4 | 2020 Indiana Residential Code”
  Rules of the Indiana Fire Prevention and Building Safety Commission ↗Re-checked Sep 26, 2026
InspectionsLimited
Construction inspections in Indiana, including Class I structures in jurisdictions without an approved building department and construction subject to a Construction Design Release.
- In jurisdictions without an approved building department, IDHS Code Enforcement inspects Class I structures for construction compliance.
- When a Construction Design Release is applied for through the Building Plan Review Section, IDHS Code Enforcement conducts construction-process and final inspections.
- Agricultural buildings and one- and two-family residential structures fall under the local government entity; if no local government entity exists, the county government may provide inspections, and IDHS states that if there is no local government entity the residential issue becomes a private civil matter.
“In jurisdictions where there is not an approved building department, Code Enforcement inspects Class I structures for construction compliance. When a Construction Design Release is applied for through the Building Plan Review Section, Code Enforcement will conduct inspections during the construction process and provide a final inspection. Agricultural buildings and residential structures (one- and two-family dwellings) fall under the jurisdiction of the local government entity.”
DHS: Code Enforcement ↗Re-checked Sep 11, 2026
Off-grid sanitationLimited
Residential sanitation in Indiana where a dwelling is not connected, or cannot be connected, to a sanitary sewerage system.
- The dwelling must be provided with a compliant residential on-site sewage system including a septic tank and a soil absorption system that has not failed.
- A temporary sewage holding tank is subject to written Indiana Department of Health approval, with specified exceptions for failed systems, soil conditions after a construction permit, and certain district, utility, or municipal sewage plans.
- A holding tank operated as a primary residential disposal method for a sewer connection plan is limited to not more than one year unless the period is extended upon documentation of satisfactory operation.
- Drywells and cesspools are not allowed for construction or use as on-site sewage treatment in Indiana.
holding-tank sewer-connection period: <= 1 year (may be extended upon documentation of satisfactory operation)
“septic tank and a soil absorption system”
410 IAC 6-8.3 Residential On-Site Sewage Systems ↗Re-checked Sep 11, 2026
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.”
Recommended Standards For Private Water Wells ↗Re-checked Sep 11, 2026
Agricultural exemptionAvailable (with conditions)
Buildings used only for an agricultural purpose on the land where they are located and not used for retail trade, for purposes of Indiana state Class 1 construction-design-release requirements.
- The building must be used only for an agricultural purpose.
- The building must be located on the land where the agricultural purpose occurs.
- The building must not be used for retail trade.
- This is an exemption from Class 1/state design-release classification; it does not establish exemption from every local inspection, zoning, building, fire, or other applicable requirement.
- Indiana's official Code Enforcement FAQ states that local units of government inspect agricultural buildings if they have an ordinance requiring inspection.
state design-release classification: not Class 1 (Does not resolve local inspection or zoning requirements)
“Buildings used only for an agricultural purpose on the land where they are located and not used for retail trade are not Class 1 structures.”
Plan Review FAQs ↗Re-checked Sep 11, 2026
Subdividing landRegulated (with conditions)
Subdivision of lots or lands outside the corporate boundaries of a municipality in Indiana.
- A correct plat must be recorded with the county recorder before selling lots.
- The plat must show public places, public ways, and the length, width, and size of each lot.
- A registered land surveyor must certify the correctness of the plat.
- The subdivision plat must be submitted for approval by the board of county commissioners.
- The county recorder may record the plat only if a certificate showing approval of the county commissioners is attached.
- Once a subdivision-control ordinance is adopted and filed, the plan commission has exclusive control over approval of plats and replats covered by that ordinance.
- The cited state summary distinguishes subdivisions outside municipalities; incorporated municipalities may have separate statutory or local procedures.
“Subdivisions Outside Cities and Towns: A person who lays out a subdivision of lots or lands outside the corporate boundaries of any municipality shall record a correct plat of the subdivision in the office of the recorder of the county before selling any lots in the subdivision. The plat must show public places, public ways, and the length, width, and size of each lot.”
2023 County Recorders Resource Library ↗Re-checked Sep 11, 2026
Driveway accessRequired
Driveway connections and construction inside the right-of-way of Indiana state highways.
- The governmental unit having jurisdiction over the street or highway must grant permission.
- INDOT jurisdiction is limited to the Indiana state highway system; other governmental units may use the guide as a guideline.
- Applications must be made through the INDOT Electronic Permit System.
“State law requires the public to obtain permission from the governmental unit having jurisdiction over a street or highway”
INDOT Driveway Permit Guide 2024 ↗Re-checked Sep 11, 2026
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.”
Water: Community Assistance & Information ↗Re-checked Sep 11, 2026
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.”
  Water: Community Assistance & Information ↗Re-checked Sep 11, 2026
Permit feesPublished (with conditions)
Published fees for specified Indiana DNR Division of Water and INDOT permits statewide.
- Fees apply to the specified permit types and do not establish a single fee for every Indiana permit.
- DNR lists fees by statute and permit application type; INDOT fees vary by driveway or road-approach subtype.
DNR Flood Control Act excavation, fill, or non-residential construction in a floodway application fee: 200 USD · DNR Flood Control Act residential reconstruction in a floodway other than the Ohio River floodway application fee: 50 USD · DNR Flood Control Act residential construction or reconstruction in the Ohio River floodway application fee: 10 USD · INDOT private driveway, private field access, temporary driveway, or driveway removal fee: 55 USD · INDOT minor or sub-minor commercial driveway or minor public road approach fee: 150 USD · INDOT major commercial driveway or major public road approach fee: 600 USD
“IC 14-28-1 | Flood Control Act - Excavation, fill, or non-residential construction in a floodway | $200”
Permit Application Fees ↗Re-checked Sep 11, 2026
Campground & park staysLimited
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.
- A campground is an area where campsites are leased or rented and provisions are made for ten or more tents, recreational vehicles, park models, or vacation mobile homes.
- The campground must be established, operated, and maintained for recreational, health, education, sectarian, business, or tourist activities away from established residences.
- The rule excludes primitive campgrounds, youth camps, and tracts of land divided into individually deeded lots.
- No more than one recreational vehicle or one vacation mobile home may be allowed on a designated campsite at the same time.
- Campground construction, additions, or significant construction changes require plans submitted at least ninety days before construction for department review and approval; the plans must be certified by a registered engineer or architect licensed in Indiana.
- The rule does not establish a general statewide authorization for long-term residential RV occupancy outside regulated campgrounds.
minimum campground provisions: >= 10 tents, recreational vehicles, park models, or vacation mobile homes · maximum recreational vehicles per designated campsite: 1 vehicle (one vacation mobile home may be used instead) · advance plan-submission period: >= 90 days (the department may waive plan review for a minor alteration)
“No more than one (1) recreational vehicle or one (1) vacation mobile home”
Environmental Public Health: 410 IAC 6-71 Campgrounds ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Limited — Temporary campgrounds operated in Indiana.
  “not more than ten (10) consecutive days per event”
  Environmental Public Health: 410 IAC 6-71 Campgrounds ↗Re-checked Sep 11, 2026

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 permit exemptions in unincorporated Boone County.
Zoning districts — Published zoning-district map or schedule for unincorporated Boone County.
Minimum dwelling size — Minimum dwelling-size requirements in unincorporated Boone County.
Minimum lot size — Minimum lot-size requirements in unincorporated Boone County.
Setbacks — Building setbacks in unincorporated Boone County.

9 more unanswered

Lot coverage
Building height
Living in an RV
Camping on your land
Tiny homes
Manufactured homes
Accessory dwellings
Mandatory utility hookup
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.

Living off-grid in Boone County, Indiana

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

Boone County scores 38/100 on the Bolthole Index, a marginal county profile. Its strengths: a durable current and mid-century hazard profile and a stronger property-autonomy legal backdrop. Watch-outs: about 235,735 people within a 30-minute drive and workable self-sufficiency basics (42.2″/yr rainfall).

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

Boone County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Boone County Health Department - Environmental Health Division (under Indiana Dept. of Health Rule 410 IAC 6-8.3). 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 Boone County, Indiana?

Land in Boone County runs about $9,472 per acre, based on the latest county data.

What is the water situation in Boone County?

Boone County gets about 42.2" of rain a year, with severe drought in roughly 1.9% of years.

How remote is Boone County?

A representative private-land location has about 235,735 people within a 30-minute drive and 4,202,506 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.

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