St. Louis limits households to 4 dogs and 4 cats over 6 months of age without a kennel license under SLRC 10.04.050. Exceeding the limit requires a multi-animal permit or commercial kennel license and zoning approval.
St. Louis City restricts the number of companion animals per household under SLRC 10.04.050. The baseline limit is 4 dogs and 4 cats over 6 months of age per dwelling unit. Additional animals require either a multi-animal permit from Animal Care and Control ($50 annual, includes inspection and verification of vaccinations and sterilization) or a commercial kennel license for 5 or more dogs ($150 annual, requires zoning compliance, typically not allowed in residential zones without conditional use permit). Puppies and kittens under 6 months are not counted against the limit. Licensed foster caregivers for recognized rescues (Stray Rescue of St. Louis, APA of Missouri, Humane Society of Missouri) operate under separate foster agreements permitting temporary additional animals. All dogs must be individually licensed ($10 neutered, $25 intact) with current rabies vaccination per RSMo 322.140. Violations trigger 30-day compliance orders then $100-$500 fines.
30-day compliance notice; $100-$500 fines. Excess animals may be impounded if not rehomed.
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