Hamilton County Unified Development Ordinance
This Unified Development Ordinance is an update to the Hamilton County, IN
zoning ordinance, originally created in 1990 – Ordinance 3-19-90 and the Subdivision Control Ordinance. It is intended to replace the old documents in their entirety. The
revision team took into consideration the 2020 Comprehensive Plan, US 31 road
updates, land use best practices, recent court cases, and trending technologies
during the creation of this Unified Development Ordinance.
To view the current Unified Development Ordinance amended on 07-10-2023, click on the link below:
- When are building permits required?
Within the Hamilton County Plan Commission Jurisdictional area the only areas of home improvement / construction that do not require a building permit consist of the replacement of windows and doors, interior decorating, exterior painting, and the replacement of shingles on a roof. All other areas of structural improvement, repair, or addition requires that a building permit be obtained. For building permits regarding special use buildings such as schools, churches, etc., applicants should schedule a meeting with a Plan Commission staff member. Call 317-776-8490 during business hours (8 a.m. to 4:30 p.m.) to schedule an appointment.
- Where do I download permit applications online?
All permit applications for the Hamilton County Plan Commission jurisdictional area can be found on the
- Are you required to have a permit to build a fence?
Fences are not required to have a permit within the Hamilton County Plan Commission jurisdictional area. This does not mean that the other planning jurisdictions within the County do not issue fence permits as well. Even though Hamilton County Plan Commission doesn't require a fence permit, our Zoning Ordinance still has requirements for the type and placement of fences. For more information on placement of fences, please visit our
1 Hamilton County Square
Noblesville, IN 46060
Electronic Permit Submittal:
Monday - Friday
8:00 a.m. - 4:30 p.m.