Building Safety in Hamilton County, IN (2026)
1 rule for unincorporated Hamilton County, Indiana.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Hamilton County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Building Permits
In unincorporated Hamilton County's flood hazard areas, no construction, fill, or land alteration can start until the county issues a floodplain development permit, the local improvement location/building permit for those zones. The Plan Commission Director reviews plans, elevation data, and as-built certifications before and after construction.
Floodplain Development Permit in Hamilton County
Some RestrictionsHamilton County Code § 14-28-3-3(c), (d)
Establishment of floodplain development permit. A floodplain development permit shall be required in conformance with the provisions of this chapter prior to the commencement of any development activities in areas of special flood hazard. Compliance. No structure shall hereafter be located, extended, converted or structurally altered within the SFHA without full compliance with the terms of thi...
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