Building Setbacks & Zoning in Dayton, OH (2026)
3 verified building setbacks & zoning rules for Dayton, Ohio, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Dayton's zoning code sets a 25-foot front setback, 5-foot side setbacks, and a 30-foot rear setback for the SR-1 and SR-2 single-family districts, with contextual average-of-neighbors front setbacks in the ER-3, ER-4, and MR-5 districts.
Dayton Setback Minimums for Single-Family Zones
Some RestrictionsDayton R.C.G.O. § 150.305.3, Schedule 150.305.3
(2) Minimum Setback (a) Front Setback 25 feet 25 feet See Sections 150.305.3 (C) ... (b) Side Setback (each side) 5 feet 5 feet 4 feet 3 feet 3 feet (c) Rear Setback 30 feet 30 feet 30 feet
Structure Height Limits
Dayton's zoning code limits principal dwellings in single-family districts to 40 feet, and also sets a minimum height tied to the shortest of the four nearest existing homes on the block.
Dayton Caps Single-Family Building Height at 40 Feet
Some RestrictionsDayton R.C.G.O. § 150.305.4(A)
(A) Height of Principal Dwelling or Building. (1) The maximum height of a principal dwelling or building shall be 40 feet. (2) The minimum height of a principal dwelling unit or building shall be the height of the lowest home on the four lots, two on either side, of the zoning lot under review. A r...
Lot Coverage Limits
Dayton's zoning code caps building lot coverage for single- and two-family lots inside Multi-Family Residential districts at 40% in Suburban MF Residential and 50% in Eclectic MF Residential zones.
Dayton Multi-Family Lot Coverage Caps
Some RestrictionsDayton R.C.G.O. § 150.310.3(B), Schedule 150.310.3(B) (Zoning Code)
Schedule 150.310.3 (B) Lot Requirements for Single and Two Family Uses ... SMF Suburban MF Residential EMF Eclectic MF Residential MMF Mature MF Residential ... (3) Maximum lot coverage 40% 50%
Looking for Montgomery County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Dayton city rules.
Building Setbacks & Zoning in Montgomery County →