Rules for ZIP Code 94548
Knightsen, CA · Contra Costa County
100 local rules on file for this area. This ZIP code is in an unincorporated area of Contra Costa County. County ordinances apply directly to properties here.
ZIP code 94548 falls within Contra Costa County, CA, in the community of Knightsen. This is an unincorporated area, which means there is no city government. Instead, Contra Costa County ordinances apply directly to properties here. County rules tend to differ from nearby cities in areas like noise enforcement, building setbacks, and animal regulations.
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 94548 based on Contra Costa County county ordinances.
Environmental Rules
2 rules- Stormwater ManagementHeavy Restrictions
- Flood ZonesHeavy Restrictions
Cannabis Regulations
1 rule- Dispensary ZoningSome Restrictions
HOA Rules
3 rules- HOA Fines & EnforcementSome Restrictions
- HOA vs. City RulesSome Restrictions
- HOA DisputesSome Restrictions
Animal Ordinances
9 rules- LivestockSome Restrictions
- BeekeepingSome Restrictions
- Exotic PetsHeavy Restrictions
- Wildlife FeedingSome Restrictions
- Pet LimitsSome Restrictions
Food Trucks & Mobile Vendors
2 rules- Food Truck PermitsSome Restrictions
- Vending ZonesSome Restrictions
Rental Property Rules
3 rules- Lead Paint DisclosureHeavy Restrictions
- Mold DisclosureSome Restrictions
- Rental RegistrationFew Restrictions
Swimming Pools & Spas
5 rules- Safety RulesHeavy Restrictions
- Fencing RequirementsHeavy Restrictions
- maintenanceSome Restrictions
- drowning-preventionHeavy Restrictions
- Pool PermitsHeavy Restrictions
Building Safety
5 rules- Electrical PermitsHeavy Restrictions
- Smoke AlarmsHeavy Restrictions
- Carbon Monoxide DetectorsHeavy Restrictions
- Roofing PermitsSome Restrictions
- Plumbing PermitsSome Restrictions
Fire Regulations
7 rules- FireworksHeavy Restrictions
- Brush ClearanceHeavy Restrictions
- Smoke DetectorsHeavy Restrictions
- Wildfire ZonesSome Restrictions
- Backyard FiresSome Restrictions
Landscaping Rules
6 rules- Native PlantsSome Restrictions
- Grass Height LimitsSome Restrictions
- Tree TrimmingSome Restrictions
- Water RestrictionsSome Restrictions
- Weed OrdinancesHeavy Restrictions
Short-Term Rentals
9 rules- Taxes & FeesSome Restrictions
- Parking RulesSome Restrictions
- Occupancy LimitsSome Restrictions
- taxesHeavy Restrictions
- enforcement-rulesHeavy Restrictions
Trash & Recycling
5 rules- Bin Placement RulesSome Restrictions
- Bulk Item DisposalFew Restrictions
- Illegal DumpingHeavy Restrictions
- Pickup Rules & SchedulesSome Restrictions
- Recycling RequirementsHeavy Restrictions
Sign Regulations
2 rules- Political SignsFew Restrictions
- Garage Sale SignsFew Restrictions
Curfew Laws
2 rules- Juvenile CurfewSome Restrictions
- Park CurfewSome Restrictions
Drone Rules
1 rule- Recreational DronesSome Restrictions
Garage & Yard Sales
2 rules- Garage Sale PermitsFew Restrictions
- Frequency LimitsFew Restrictions
Soliciting & Door-to-Door
2 rules- Solicitor PermitsSome Restrictions
- No-Knock RegistryFew Restrictions
Solar Energy
2 rules- HOA RestrictionsFew Restrictions
- Panel PermitsFew Restrictions
Home Business
5 rules- Home DaycareFew Restrictions
- permitsSome Restrictions
- Zoning RestrictionsSome Restrictions
- Signage RulesHeavy Restrictions
- Customer Traffic RestrictionsSome Restrictions
Property Maintenance
1 rule- Property BlightHeavy Restrictions
Outdoor Lighting
2 rules- Dark Sky RulesSome Restrictions
- Light TrespassSome Restrictions
Building Setbacks & Zoning
1 rule- Setback RulesSome Restrictions
Fence Regulations
7 rules- Neighbor Fence RulesFew Restrictions
- setbacksSome Restrictions
- Material RestrictionsFew Restrictions
- Height LimitsSome Restrictions
- Permit RequirementsFew Restrictions
Accessory Structures
4 rules- Carport RulesSome Restrictions
- ADU RulesFew Restrictions
- Shed RulesFew Restrictions
- Garage ConversionsFew Restrictions
Noise Ordinances
6 rules- Leaf Blower RulesSome Restrictions
- Vehicle NoiseSome Restrictions
- Barking DogsSome Restrictions
- Construction HoursSome Restrictions
- Quiet HoursSome Restrictions
Parking Rules
6 rules- Street Parking LimitsSome Restrictions
- Commercial Vehicle RestrictionsSome Restrictions
- Overnight ParkingFew Restrictions
- Abandoned VehiclesHeavy Restrictions
- parking-on-hillsSome Restrictions