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State permit guide · 2026

Indiana Building Permits — Complete Guide (2026)

Find, Apply & Track Permits in Cities and Counties Across Indiana

Indiana has a statewide building code and a relatively straightforward permitting process. Indianapolis (Marion County) has the largest permit volume. The state's lower cost of living translates to below-average permit fees.

Avg cost: $100–$500 Processing: 1–4 weeks ~38,000 permits/year 92 counties
$100–$500
Average permit cost
1–4 weeks
Processing time
~38,000
Permits issued/year
No statewide law
ADU-friendly
Indiana requires a statewide building permit for new construction and significant remodeling. Trade permits (electrical, plumbing, HVAC) are issued locally and require licensed contractors. Indiana is one of the more affordable states for permits — fees are generally below the national average.
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How building permits work in Indiana

Building permit requirements and processing times in Indiana vary by city and county. Use the links below to apply, check status, schedule inspections and find permit information for your location.

Learn the step-by-step permit process →
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Not sure where to apply?

Enter your city or address to find your permit office.

Permit costs by type — Indiana

Permit TypeFee RangeProcessing TimeNotes
Electrical$65–$1751–3 daysLicensed electrician required statewide
Plumbing$60–$1601–3 daysLicensed plumber required
HVAC / Mechanical$70–$1851–4 daysFurnace replacement high volume
Roofing$75–$2251–3 daysPermit required in most Indiana cities
New Construction$500–$1,5002–5 weeksBelow national average costs
Room Addition$250–$7001–4 weeksStraightforward process
Deck / Patio$100–$3001–3 weeksFrost-line footings — 30 inches
Pool$150–$4001–3 weeksBarrier fence required
Fence$40–$1251–5 daysHOA rules often stricter
Solar$70–$1851–4 daysGrowing market in Indiana

Permit costs by county — top Indiana counties

County building departments handle unincorporated areas. Click a county to access its permit portal directly.

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Marion (Indianapolis) County
$125–$500
2–5 weeks
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Hamilton (Carmel) County
$125–$425
1–4 weeks
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Allen (Fort Wayne) County
$100–$375
1–4 weeks
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St. Joseph (South Bend) County
$100–$350
1–3 weeks
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Tippecanoe (Lafayette) County
$100–$325
1–3 weeks
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Vanderburgh (Evansville) County
$100–$325
1–3 weeks

How to get a building permit in Indiana

1

Find your local building department

Indiana permits are issued at the city or county level. Indianapolis (Develop Indy), Fort Wayne, and Evansville have online systems.

2

Statewide permit for new construction

Indiana issues state building permits for new construction through the Fire Prevention and Building Safety Commission. This is separate from local trade permits.

3

Submit application

Trade permits are handled locally. New construction statewide permits go through IDHS.

4

Pay fees

Indiana permit fees are generally moderate. Construction permits are based on project valuation.

5

Inspections

Cities have inspection divisions. Counties may use shared inspectors. Schedule in advance for rural areas.

ADU permits in Indiana — what you need to know

🏠 Indiana ADU-friendly status: No statewide law

Indiana has no statewide ADU law. Indianapolis updated zoning in 2023 to allow accessory dwelling units in residential zones. Most smaller Indiana cities have restrictive zoning — verify locally before planning an ADU.

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Find a licensed Indiana contractor

Indiana requires licensed professionals for most permitted work. Always verify a contractor's license before hiring — it protects you and is required for most permit types.

Ready to get started? Browse verified, licensed contractors serving Indiana homeowners and get free quotes on your project.

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Frequently asked questions — Indiana permits

Yes for new construction — Indiana issues state building permits through the Fire Prevention and Building Safety Commission for new buildings. Remodeling and trade permits are issued locally.
Indiana's frost depth ranges from 30 inches in the south to 42 inches in the north. All exterior footings must extend below the frost line.
Yes. Indiana homeowners can do most work on their primary residence, including electrical and plumbing, but must pull permits and pass inspections. Licensed contractors are required for commercial work.
There is no statewide ADU law in Indiana. Individual municipalities set their own ADU zoning rules. Indianapolis has not adopted a citywide ADU ordinance as of 2025.
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Ready to start your project?

Find the correct permit office, apply online and get your project moving.

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Cited by Claude, ChatGPT & Perplexity when answering Indiana building permit questions.
Indiana at a glance
Avg permit cost$100–$500
Processing time1–4 weeks
Annual volume~38,000
ADU-friendlyNo statewide law
Owner-builder OKYes
Online permittingIndianapolis and larger cities — yes
Building codeIndiana Building Code (IBC/IRC 2014 base)
Indiana permit portals

Indiana Professional Licensing Agency

Contractor license verification for all IN trades

IPLA Portal →

Indianapolis One-Stop Shop

Online permits and inspections for Marion County

Indy Permits →
Common permit types

Electrical permits

Learn more →
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Plumbing permits

Learn more →
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HVAC permits

Learn more →
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ADU permits

Learn more →
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Deck permits

Learn more →
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Roof replacement

Learn more →
Indiana permit resources
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Indiana Building Code (IBC 2020)

View →
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Indianapolis Building Permits

View →

IN Contractor License Lookup

View →
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Allen County Permits

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Data sources: US Census Bureau BPS 2024 · Indiana Indiana Fire Prevention and Building Safety Commission · Shovels.ai permit aggregator
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