Rules for ZIP Code 94128
San Francisco, CA · San Mateo County
128 local rules on file for this area. This ZIP code is in an unincorporated area of San Mateo County. County ordinances apply directly to properties here.
ZIP code 94128 falls within San Mateo County, CA. This is an unincorporated area, which means there is no city government. Instead, San Mateo 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 94128 based on San Mateo County county ordinances.
Cannabis Regulations
2 rules- Dispensary ZoningHeavy Restrictions
- Home CultivationSome Restrictions
Garage & Yard Sales
3 rules- Frequency LimitsFew Restrictions
- Time RestrictionsFew Restrictions
- Garage Sale PermitsFew Restrictions
Tree Protection
3 rules- Tree Replacement RequirementsSome Restrictions
- Tree Removal PermitsHeavy Restrictions
- Heritage & Protected TreesHeavy Restrictions
Building Setbacks & Zoning
3 rules- Structure Height LimitsSome Restrictions
- Setback RulesSome Restrictions
- Lot Coverage LimitsSome Restrictions
Environmental Rules
5 rules- Erosion ControlSome Restrictions
- Stormwater ManagementSome Restrictions
- Coastal DevelopmentHeavy Restrictions
- Grading & DrainageSome Restrictions
- Flood ZonesHeavy Restrictions
Solar Energy
2 rules- Panel PermitsFew Restrictions
- HOA RestrictionsFew Restrictions
Food Trucks & Mobile Vendors
2 rules- Food Truck PermitsSome Restrictions
- Vending ZonesSome Restrictions
Curfew Laws
2 rules- Juvenile CurfewSome Restrictions
- Park CurfewSome Restrictions
Noise Ordinances
10 rules- Leaf Blower RulesFew Restrictions
- Amplified Music & EventsSome Restrictions
- Vehicle NoiseSome Restrictions
- Decibel LimitsSome Restrictions
- Outdoor MusicSome Restrictions
Short-Term Rentals
10 rules- Registration RulesSome Restrictions
- Primary-Residence-Only RuleFew Restrictions
- Host Presence RuleSome Restrictions
- Night CapsSome Restrictions
- Insurance RequirementsSome Restrictions
Fire Regulations
8 rules- Brush ClearanceHeavy Restrictions
- Backyard FiresSome Restrictions
- Smoke DetectorsSome Restrictions
- Propane StorageSome Restrictions
- Wildfire ZonesHeavy Restrictions
Outdoor Cooking
2 rules- BBQ & Propane RulesFew Restrictions
- Smoker RulesSome Restrictions
Parking Rules
10 rules- Overnight ParkingFew Restrictions
- Oversized Vehicle ParkingHeavy Restrictions
- EV ChargingSome Restrictions
- Loading ZonesSome Restrictions
- Curb Color RulesSome Restrictions
Fence Regulations
8 rules- Retaining WallsSome Restrictions
- Fence RequirementsSome Restrictions
- Material RestrictionsFew Restrictions
- Approved MaterialsFew Restrictions
- Pool BarriersHeavy Restrictions
Animal Ordinances
10 rules- Chickens & LivestockSome Restrictions
- Pet LimitsSome Restrictions
- LivestockSome Restrictions
- Cat RulesSome Restrictions
- Wildlife FeedingFew Restrictions
Property Maintenance
6 rules- Property BlightSome Restrictions
- Weeds & Overgrown GrassSome Restrictions
- Garage Sale RulesFew Restrictions
- Snow & Sidewalk ClearingFew Restrictions
- Trash Bin StorageSome Restrictions
Landscaping Rules
9 rules- Weed OrdinancesSome Restrictions
- Rainwater HarvestingFew Restrictions
- Native PlantsFew Restrictions
- CompostingSome Restrictions
- Artificial TurfFew Restrictions
Home Business
6 rules- Home Occupation PermitsFew Restrictions
- Cottage Food OperationsSome Restrictions
- Home DaycareFew Restrictions
- Signage RulesHeavy Restrictions
- Customer Traffic RestrictionsSome Restrictions
Trash & Recycling
5 rules- Bulk Item DisposalFew Restrictions
- Pickup Rules & SchedulesSome Restrictions
- Bin Placement RulesFew Restrictions
- Recycling RequirementsSome Restrictions
- Mandatory Organics RecyclingHeavy Restrictions
Accessory Structures
5 rules- Carport RulesSome Restrictions
- Tiny HomesSome Restrictions
- ADU RulesFew Restrictions
- Garage ConversionsFew Restrictions
- Shed RulesSome Restrictions
Sign Regulations
3 rules- Political SignsFew Restrictions
- Garage Sale SignsFew Restrictions
- Holiday DisplaysFew Restrictions
Outdoor Lighting
2 rules- Dark Sky RulesSome Restrictions
- Light TrespassSome Restrictions
Soliciting & Door-to-Door
2 rules- No-Knock RegistrySome Restrictions
- Solicitor PermitsSome Restrictions
Rental Property Rules
3 rules- Just Cause EvictionHeavy Restrictions
- Rent ControlSome Restrictions
- Rental RegistrationFew Restrictions
Drone Rules
2 rules- Commercial DronesHeavy Restrictions
- Recreational DronesSome Restrictions
Swimming Pools & Spas
5 rules- Hot Tub RulesSome Restrictions
- Pool PermitsSome Restrictions
- Above-Ground PoolsSome Restrictions
- Fencing RequirementsHeavy Restrictions
- Safety RulesHeavy Restrictions