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When a permit is required
Permit triggers and exempt work for Johnson County
County public pages and packets cover residential, accessory structures, pools, decks, demolition, pole barns, mobile homes, electrical service, and window replacements. The county specifically states it now requires permits for all window replacements under its energy code enforcement.
- Project-specific application packet, site plan, construction plans, and other packet forms. Nonresidential work may require stormwater materials and other agency approvals depending on scope.
- Building code
- Johnson County states it incorporates by reference the rules of Title 675 of the Indiana Administrative Code and does not have locally adopted amendments or individual building codes.
- Permit validity
- Not clearly summarized on the main county page. Individual permit packets should be checked for project-specific terms.
- Owner-builder
- Owner-builders may use the Contractor Listing Exemption Affidavit instead of county contractor listing when they are not acting as a listed contractor.
- Contractor requirements
- In unincorporated Johnson County, contractors pulling permits must use the county Contractor Listing Program with a $15,000 surety bond and a listing fee of $150 for 1 year, $200 for 2 years, or $400 for 5 years.
Application process
Typical processing: Average building permit review time is 10 business days; one county packet also states review can take 7 to 10 business days depending on workload.
- 01 Download the correct county permit packet from the Building Permit Packets and Forms page.
- 02 Prepare the completed application, site plan, construction plans, and any supporting forms required for the project type.
- 03 Submit the packet to Johnson County Planning and Zoning and wait for plan review.
- 04 If the applicant is not a county-listed contractor, use the Contractor Listing Exemption Affidavit route when eligible.
- 05 Pay the applicable permit fees when the permit is ready.
- 06 Keep the permit and released plans on site and visible from the road once windows are installed.
- 07 Schedule required inspections with Planning and Zoning staff and complete all required inspections before occupancy.
Typical processing time: Average building permit review time is 10 business days; one county packet also states review can take 7 to 10 business days depending on workload.
Source: Johnson County Building Department, Department of Planning and Zoning ↗
Fee schedule
Johnson County building permit fees
Contractor listing page says the county accepts cash, check, or charge for listing fees.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Required inspections
Scheduling and sequence
- Call Planning and Zoning staff at (317) 346-4350; the county states inspections will not be scheduled from voicemail. (phone)
- Inspection hours
- Residential inspections must be scheduled at least 1 business day ahead; nonresidential inspections at least 2 business days ahead. Footing inspections may be set for a specific time; other inspections are scheduled by day, with AM or PM requests not guaranteed.
Typical sequence: Erosion control meeting if required, then project-specific inspections such as footing and later trade/final inspections. Permit and stamped released plans must remain on site for inspection signoff.
No county reinspection fee schedule was clearly posted in machine-readable form on the reviewed public pages.
Frequently asked
Common questions about unincorporated Johnson County permits
01 Do I need a building permit in unincorporated Johnson County, IN? ▸
02 How much does a building permit cost in unincorporated Johnson County, IN? ▸
03 How do I apply for a building permit in unincorporated Johnson County, IN? ▸
04 How long does it take to get a building permit in unincorporated Johnson County, IN? ▸
05 How do I schedule a building inspection in unincorporated Johnson County, IN? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Johnson County Building Department, Department of Planning and Zoning before applying. Jaspector is not legal advice.