Building Setbacks & Zoning in Alpharetta, GA (2026)
1 verified building setbacks & zoning rules for Alpharetta, Georgia, sourced directly from the municipal code and official government pages.
Verified from official government sources
Lot Coverage Limits
Alpharetta's Unified Development Code (Article II — Use of Land and Structures) sets maximum lot coverage and impervious surface limits by zoning district. In the R-15 single-family residential district, the maximum impervious surface is 35% of the lot. The city also requires soil-infiltration testing for any new project in the Residential Overlay District that adds 1,000 to 5,000 square feet of impervious area.
Alpharetta, GA Lot Coverage Limits
Some RestrictionsLooking for Fulton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Alpharetta city rules.
Building Setbacks & Zoning in Fulton County →