Building Setbacks & Zoning in Olathe, KS (2026)
3 verified building setbacks & zoning rules for Olathe, Kansas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Olathe's R-1 single-family district sets a baseline 30-foot front yard, 7-foot side yard, and 25-foot rear yard, with reduced options tied to lot size.
Olathe R-1 Yard Setback Minimums
Some RestrictionsOlathe Unified Development Ordinance § 18.20.070.B
Front yard (minimum): 30 feet | 25 feet | 20 feet | 10 feet. Side yard (minimum, subject to minimum fire code building separation requirements): 7 feet. Corner side yard (minimum): 20 feet. Rear yard (minimum): 25 feet | 15 feet | 10 feet | 10 feet.
Structure Height Limits
Olathe's R-1 Single-Family district caps residential building height at 2½ stories or 35 feet, while nonresidential structures may reach 75 feet if set back a distance equal to their height.
Olathe R-1 Residential Height Limit
Some RestrictionsOlathe Unified Development Ordinance § 18.20.070.B, C.2
Height (maximum) | Residences: 2½ stories/35 feet [all four R-1 site standards] | Nonresidential structures and uses: 75 feet. ... Nonresidential structures taller than thirty-five (35) feet must be set back from all property lines a distance at least equal to their height.
Lot Coverage Limits
Olathe doesn't set a blanket lot-coverage percentage for standard residential lots, but adding an accessory dwelling unit caps total lot coverage, house plus ADU, at 75 percent.
Olathe ADU Lot Coverage Cap
Some RestrictionsOlathe Unified Development Ordinance § 18.50.025.C.7
The ADU must not cause lot coverage to exceed seventy-five (75) percent, including the principal structures. 8. The ADU must meet current building code requirements. 9. The ADU must obtain a separate address to help guarantee emergency response. 10. The ADU must provide one (1) off-street parking space with access to a public street from the existing driveway. This space may be l...
Looking for Johnson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Olathe city rules.
Building Setbacks & Zoning in Johnson County →