Animal Ordinances in Winnebago County, IL (2026)
6 county-level rules, plus city-specific rules for 1 city in Winnebago County, Illinois.
Verified from official government sources
Chickens & Livestock
Winnebago County caps backyard chickens at six birds in the R-A district and three in R-E, bans roosters, and requires coops in the rear yard only.
Winnebago County Backyard Chicken Coop Rules
Significant RestrictionsWinnebago County UDO (Ch. 90) § 18.3.4
Chicken coops are permitted in the R-A and R-E Subdistricts of the R-A District only (prohibited in R-R Subdistrict) and only as accessory to a single-family use. No person may keep more than six (6) chickens on the property at any time in the R-A District and no person may keep more than three (3) chickens on the property at any time in the R-E District. ... Roosters are not permitted.
Dog Leash Laws
Winnebago County law makes it unlawful for a dog owner to let their dog run at large anywhere in the unincorporated county. The animal services department enforces the ban on a complaint basis rather than routine patrol, and the ordinance carves out one exception: a dog on someone else's property with that owner's permission isn't in violation. Loose dogs can be impounded, and fees climb fast on repeat offenses.
Winnebago County Bans Dogs Running at Large
Some RestrictionsWinnebago County, IL Code of Ordinances § 14-68
No person who is the owner of a dog shall cause or permit his or her dog to run at large in the unincorporated areas of the county. Enforcement of this section shall be based on complaints reported to the animal services department. Restriction shall not apply when a dog is on another's person's property with that owner's permission.
Breed Restrictions
Winnebago County declares dogs "vicious" through a court hearing based on behavior, not breed, then imposes containment, licensing, and signage rules.
Winnebago County dangerous dog rules
Significant RestrictionsWinnebago County, IL Code of Ordinances § 14-83
(a) Filing of complaint. Whenever the administrator, state's attorney, or any other citizen has reason to believe that any dog is vicious, he may file a complaint in the circuit court in the name of the county, seeking a finding that the dog is vicious. ... (d) Entering of order by court. When, after receiving the evidence presented, the court finds that the dog meets one of the definitions of ...
Beekeeping
Winnebago County allows apiaries only as an accessory use on R-A Subdistrict lots, capped at one hive per 25,000 square feet with mandatory setbacks.
Winnebago County Backyard Beekeeping Rules
Significant RestrictionsWinnebago County UDO § 18.3.3
18.3.3 Apiaries (Non-Agriculture Exempt). A. Apiaries are permitted in the R-A Subdistrict of the R-A District only (prohibited in R-E and R-R Subdistricts) and only as an accessory use to a single-family use. B. All colonies must be registered with the Illinois Department of Agriculture. C. One (1) beehive is permitted for every twenty-five thousand (25,000) square feet.
Pet Limits
Winnebago County sets no cap on personal pet ownership, but boarding or fostering more than four animals for someone else -- or breeding more than two to sell -- turns your home into a 'kennel' requiring a special use permit.
Winnebago County: More Than 4 Pets Needs a Permit
Significant RestrictionsWinnebago County UDO, Ch. 90, Art. 24, § 24.4 ("Kennel" definition)
Kennel. An establishment where more than four (4) dogs, cats and other household domestic animals, over four (4) months of age and owned by another person, are temporarily boarded or an establishment where more than two (2) of said animals are kept for the purpose of breeding offspring to be sold. ... an establishment "fostering" more than four (4) dogs, cats and other household domestic animal...
Mandatory Spay/Neuter
Winnebago County requires every dog and cat adopted from the county animal shelter to be spayed or neutered before release, and charges unaltered pets a higher annual registration fee.
Winnebago County shelter spay/neuter rule
Some RestrictionsWinnebago County, IL Code of Ordinances § 14-116(7)
All dogs and cats shall be spayed or neutered, registered, vaccinated, and receive preventative health care before adoption.
Animal Ordinances by City in Winnebago County
1 cities in Winnebago County have their own animal ordinances rules. Each link goes to that city's dedicated page with code citations.
All Winnebago County ordinances
See every category we cover for Winnebago County: parking, noise, fences, fires, animals, pools, and more.
Winnebago County Ordinance Hub →