3 rules for unincorporated Hamilton County, Tennessee.
Verified from official government sources
In Chattanooga's RN-1-7.5 single-family zone, homes need a 25-foot front setback, 5-foot interior side setbacks, and a 25-foot rear setback. Setbacks vary by zone; unincorporated Hamilton County uses its own Zoning Regulations.
Chattanooga City Code Sec. 38-16, Table 38-16.5 (RN-1-7.5)
Minimum Front Setback: 25' or average setback, whichever is less. Minimum Interior Side Setback: 5'. Minimum Rear Setback: 25'.
Chattanooga caps building height at 35 feet across its RN-1 through RN-2 residential zones. Detached accessory structures are limited to 24 feet and can never exceed the height of the main house. Unincorporated county height limits come from the county Zoning Regulations.
Chattanooga City Code Sec. 38-16, Table 38-16.3
Maximum height of a structure is limited to 35' within 35' of an RN-1-7.5, RN-1-6, RN-1-5, RN-1-3, RN-2, TRN-1, or TRN-2 zone. This limitation applies only to that portion of a structure within the 35' distance.
Chattanooga limits maximum building coverage to 60% of the lot in its standard residential zones (50% for non-residential uses in those zones). A detached accessory building also cannot cover more ground than the main house.
Chattanooga City Code Sec. 38-16, Table 38-16.1
Maximum Building Coverage: 60%. NR: 50%.
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