Thornton allows up to 6 hens on residential lots with a permit. No roosters. North Thornton's larger lot developments near E-470 may accommodate more poultry with appropriate setbacks.
Thornton regulates backyard poultry and livestock by zoning district. Residential zones may allow limited hens (typically 4 to 8) with no roosters. Coops must meet setback requirements from neighboring homes. Sanitary conditions required. Larger livestock (goats, horses, cattle) restricted to agricultural or large-lot residential zones. CRS §35-46-101 et seq. covers agricultural fence law. HOAs commonly prohibit all livestock including chickens.
Unauthorized livestock: removal order. Nuisance: $100 to $500. Roosters in prohibited areas: immediate removal.
Thornton, CO
Thornton prohibits storing abandoned, inoperable, or unregistered vehicles on public streets or visible on private property. Vehicles may be tagged and towed...
Thornton, CO
Thornton regulates electric vehicle charging infrastructure for residential and commercial properties. Building codes may require EV-ready parking in new con...
Thornton, CO
Thornton regulates overnight parking on public streets. Many areas restrict parking between certain hours or require permits for overnight street parking.
Thornton, CO
Thornton requires pool barriers meeting safety codes to prevent drowning. Fences must be at least 4 to 5 feet tall with self-closing, self-latching gates.
Thornton, CO
Thornton requires permits for retaining walls above a certain height, typically 4 feet. Engineering review may be required for taller walls.
Thornton, CO
Thornton may have wildfire hazard zones requiring defensible space around structures, fire-resistant building materials, and vegetation management.
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