Building Setbacks & Zoning in Columbia County, FL (2026)
3 rules for unincorporated Columbia County, Florida.
Verified from official government sources
Setback Rules
In unincorporated Columbia County's RSF Residential Single-Family district, a single-family home must sit back 25 feet from the front line, 10 feet from each side line and 15 feet from the rear line, the same minimums across the RSF-1, RSF-2 and RSF-3 subdistricts under the Land Development Regulations.
RSF Yard Setback Minimums, Columbia County
Some RestrictionsColumbia County Land Development Regulations § 4.7.7
4.7.7Minimum yard requirements (depth of front and back yard, width of side yards). (See section 4.2 for right-of-way setback requirements.) 1.Single-family dwellings. RSF-1 Front: 25 ft. Side: 10 ft. for each side yard Rear: 15 ft. RSF-2 Front: 25 ft. Side: 10 ft. for each side yard Rear: 15 ft. RSF-3 Front: 25 ft. Side: 10 ft. for each side yard Rear: 15 ft.
Structure Height Limits
In the RSF Residential Single-Family district of unincorporated Columbia County, no portion of a structure may exceed 35 feet under the Land Development Regulations, the same cap applied in the Rural Residential and Agricultural districts, with limited exclusions from the height limitation spelled out separately in Sec. 4.2.
Residential Structure Height Limit, Columbia County
Some RestrictionsColumbia County Land Development Regulations § 4.7.8
4.7.8Maximum height of structures. No portion shall exceed: (See also section 4.2 for exceptions.) 35 feet.
Lot Coverage Limits
In the RSF Residential Single-Family district of unincorporated Columbia County, a single-family home and its accessory buildings may cover no more than 40 percent of the lot, while other permitted structures are capped at 35 percent, and no building may exceed a 1.0 floor area ratio.
Maximum Lot Coverage, RSF Columbia County
Some RestrictionsColumbia County Land Development Regulations § 4.7.9
4.7.9Maximum lot coverage by all buildings.1.Single-family dwellings and duplexes, including their accessory buildings. 40 percent2.Other permitted buildings in connection with permitted uses, including their accessory buildings. 35 percent. Note. In addition to meeting the required lot yard, building height, lot coverage, landscaped buffering, and off-street parking requirements of this sectio...
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