Backyard chickens in Olathe, Kansas

Yes, backyard chickens are allowed in Olathe, Kansas, but the rules depend on your lot size. Under the Olathe Unified Development Ordinance § 18.50.030 (Animals), chickens are classified as "small farm animals." On lots under 3 acres, a Special Animal Permit is required and a maximum of 10 animals is allowed, with roosters prohibited. On lots of 3 acres or more, no permit is required and there is no maximum number of animals.

The Special Animal Permit process replaced the city's older, more burdensome Special Use Permit (which had required a lengthy public hearing before the Planning Commission and City Council). Because the old public hearing process took an average of 10-12 weeks and was both time consuming and costly, the city developed a new administratively-reviewed "Backyard Small Animal Permit" with a minimal review fee.

All chicken coops, chicken tractors, and other animal enclosures must be set back at least six (6) feet from property lines. Chickens may not be bred, boarded, or sold commercially under a residential permit.

Olathe, Kansas experiences hot, humid summers (often 90°F+) and cold winters (frequently below freezing with occasional single-digit lows), so coops should provide both shade/ventilation for summer and insulation or wind-blocking for winter. Wide seasonal temperature swings mean chicken keepers should choose cold-hardy, dual-purpose breeds and ensure coops have good airflow to prevent frostbite risk on combs in winter while avoiding heat stress in summer.

Olathe's mix of suburban neighborhoods and nearby greenbelts/creeks means backyard flocks can attract raccoons and opossums (skilled climbers and coop-latch manipulators), red-tailed hawks and other raptors (daytime aerial threats, especially without a covered run), and coyotes and foxes that roam wooded areas and greenways bordering many Johnson County subdivisions. Secure, covered runs and hardware-cloth (not chicken wire) enclosures are strongly recommended.