Thornton may allow residential beekeeping with hive limits and setbacks. Colorado Bee Act (CRS §35-80-101) requires apiary registration.
Thornton may regulate residential beekeeping through zoning and nuisance ordinances. Where allowed, hive counts are typically limited (2 to 4 per lot). Hives must meet setback requirements. Flyway barriers may be required. Water source must be provided. The Colorado Bee Act (CRS §35-80-101 et seq.) requires apiary registration with the Colorado Department of Agriculture. Denver, Boulder, and Fort Collins explicitly allow urban beekeeping with limits.
Unauthorized hives: removal order. Nuisance complaints: fines. Unregistered apiary: state-level penalty.
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.
Side-by-side rule comparisons with other cities in Adams County.
See how other cities in Adams County handle beekeeping.
See how Thornton's beekeeping rules stack up against other locations.
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