Rules for ZIP Code 80540
Lyons, CO · Boulder County
82 local rules on file for this area. The rules on file for this ZIP code come from Boulder County.
ZIP code 80540 is unincorporated Boulder County land, in the community of Allenspark: about 86% of its residents live outside any city or town, so the county's ordinances are the local rules here. County rules tend to differ from nearby cities in areas like noise enforcement, building setbacks, and animal regulations.
ZIP codes do not follow city lines. 80540 also covers:
- town of Lyons~14% of residents · not covered yet
Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.
Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.
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These are the local rules that apply to ZIP code 80540 based on Boulder County ordinances.
Animal Ordinances
8 rules- Breed RestrictionsFew
- Wildlife FeedingHeavy
- Chickens & LivestockSome
- BeekeepingSome
- Pet LimitsHeavy
Building Setbacks & Zoning
3 rulesSign Regulations
2 rules- Garage Sale SignsSome
- Political SignsSome
Short-Term Rentals
9 rulesFire Regulations
6 rules- Fire Pits & Backyard FiresSome
- FireworksSome
- Propane StorageSome
- Brush ClearanceSome
- Wildfire ZonesSome
Parking Rules
8 rulesFence Regulations
5 rulesNoise Ordinances
8 rules- Leaf Blower RulesSome
- Aircraft NoiseSome
- Quiet HoursSome
- Decibel LimitsSome
- Barking DogsSome
Outdoor Cooking
2 rules- BBQ & Propane RulesSome
- Smoker RulesSignificant
Landscaping Rules
2 rules- Tree TrimmingSome
- Weed OrdinancesSome
Swimming Pools & Spas
2 rulesHome Business
3 rulesProperty Maintenance
2 rulesTrash & Recycling
4 rulesAccessory Structures
4 rules- Shed & Carport RulesSome
- ADU RulesSome
- Garage ConversionsSome
- Tiny HomesSome
Outdoor Lighting
2 rulesCurfew Laws
1 rule- Park CurfewSome
Public Conduct
3 rulesSpecial Events & Permits
1 rule- Park Event PermitsSignificant
Mobility & Curb Rules
2 rules- Shared E-Scooter RulesSignificant
- E-Bike ClassesSignificant
Drone Rules
1 rule- Park Drone RestrictionsSignificant
Homelessness & Encampment Rules
1 ruleBusiness Licensing & Operations
2 rules- Towing CompaniesSome
- Adult EntertainmentSignificant