Olathe, KS Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- Front yard (standard lot)
- 30 feet minimum
- Side yard
- 7 feet minimum
- Corner side yard
- 20 feet minimum
- Rear yard (standard lot)
- 25 feet minimum
Summary
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.
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.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 26-39, passed July 21, 2026).
Full Breakdown
Olathe's R-1 (Residential Single-Family) district dimensional standards table sets a 30-foot minimum front yard, 7-foot minimum side yard (subject to fire code separation), 20-foot minimum corner side yard, and 25-foot minimum rear yard on standard lots. Smaller-lot options within R-1 allow a 25-, 20-, or 10-foot front yard and a 15- or 10-foot rear yard as lot area and width shrink. Every other zoning district (R-2 through M-3, Downtown, etc.) carries its own separate dimensional standards table in UDO Chapter 18.20.
Violations & Fines
Building permits are not issued for structures placed outside the required setback line; more restrictive platted setbacks control over the table minimums.
Frequently Asked Questions
What is the minimum front setback in Olathe's R-1 district?
Do setback minimums differ by zoning district in Olathe?
Sources & Official References
Other rules in Olathe
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Setback Rules in Nearby Cities
How other cities in Johnson County handle setback rules.