Lake St. Louis, MO

• Animal control (2)
  • Department of Public Health (St. Charles County) - enforcement of the City animal regulations; prosecution by the County Counselor

    Website: https://ecode360.com/33521059

    City Code Section 210.260 Enforcement (Ord. 4503, 2023). No phone number stated in the code.

    Source: City of Lake Saint Louis Code, Section 210.260 Enforcement (eCode360) · Checked Nov 5, 2026
  • St. Charles County Humane Services (animal control is not provided directly by the City)

    Phone: 636-949-7387 (636-949-PETS)

    Address: 4850 Mid Rivers Mall Drive (Humane Services offices and adoption center)

    Website: https://www.lakesaintlouis.com/166/Animal-Control-Services

    Hours: Mon-Fri 8 a.m.-5 p.m.; Sat 8 a.m.-4 p.m.

    After hours: St. Charles County Sheriff's Department 636-949-0809 (after business hours, Sundays, holidays)

    Read from Internet Archive snapshot 2024-02-27 (city site unreachable from this host).

    Source: City of Lake Saint Louis - Animal Control Services · Archived copy (Feb 27, 2024) · Checked Nov 5, 2026
• Emergency vet care

  Hours are only as each source states them. Call before you go.

  VSS West (Veterinary Specialty Services)

  Phone: (636) 244-8999

  Address: 7770 Winghaven Blvd, O'Fallon, MO 63368

  Website: https://www.vssstl.com/services/speciality/emergency-services

  City: O'Fallon

  Nearest identified; located in O'Fallon. Site states VSS West is 'always open to help your pet in an emergency'.

  Source: Veterinary Specialty Services - Emergency Services · Checked Nov 5, 2026
• Animal shelters and rescues
  St. Charles County Pet Adoption Center

  Phone: 636-949-7387

  Address: 4850 Mid Rivers Mall Dr, St. Peters, MO 63376

  Website: https://www.sccmo.org/824/Pet-Adoption-Center

  Type: county animal shelter (St. Charles County Animal Control)

  Source: City of O'Fallon - Animal Control · Checked Nov 5, 2026
• Pet licence required
  Website: https://ofallon.mo.us/animal-control

  Rule: St. Charles County law requires that all dogs, cats and ferrets be registered (county rabies tag/license via veterinarians); applies county-wide.

  Species: dog, cat, ferret

  Required: Yes

  Source: City of O'Fallon - Animal Control · Checked Nov 5, 2026
• Rabies vaccination requirement
  Rule: Every ferret, puppy or kitten must be vaccinated against rabies by a veterinarian and registered when or before it reaches four months of age, but not before three months; every ferret, cat and dog must be vaccinated per the Compendium of Animal Rabies Control, no exemption for advanced age (Section 210.110, Ord. 4503, 2023).

  Scope: city

  Ordinance url: https://ecode360.com/28418355

  Source: City of Lake Saint Louis Code, Section 210.110 (eCode360) · Checked Nov 5, 2026
• Spay and neuter help
  Operation SNIP (Humane Society of Missouri & Animal Medical Center of Mid-America)

  Phone: 314.951.1534

  Website: https://hsmo.org/operation-snip/

  Description: Low-cost spay and neuter surgeries for pets of Missouri residents

  Source: Humane Society of Missouri - Operation SNIP · Checked Nov 5, 2026

About this place

• Population
  19,160 (2024)

  Source: U.S. Census Bureau, Vintage 2024 Population Estimates (cities and towns) · Checked Nov 5, 2026
• Land area (sq mi)
  8.566 (2025)

  Source: U.S. Census Bureau, 2025 Gazetteer Files (places) · Checked Nov 5, 2026
• Official website
  http://WWW.LAKESAINTLOUIS.COM

  Source: U.S. Census Bureau, 2022 Census of Governments: Government Units Listing · Checked Nov 5, 2026