Rules for ZIP Code 21031
Hunt Valley, MD · Baltimore County
151 local rules on file for this area. The rules on file for this ZIP code come from Baltimore County.
ZIP code 21031 is unincorporated Baltimore County land, in the community of Cockeysville: about 100% 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. 21031 also covers:
- Cockeysville (community)~100% of residents
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. Each page quotes the official code section and links to its source.
Browse by Topic
These are the local rules that apply to ZIP code 21031 based on Baltimore County ordinances.
Home Business
4 rulesAnimal Ordinances
12 rules- Pet LimitsSome
- Chickens & LivestockSome
- BeekeepingSome
- Cat RulesSome
- Bird ProtectionSome
Short-Term Rentals
10 rulesSwimming Pools & Spas
2 rulesNoise Ordinances
7 rules- Construction HoursSome
- Leaf Blower RulesSome
- Decibel LimitsSome
- Quiet HoursSome
- Vehicle NoiseSome
Parking Rules
11 rulesFence Regulations
5 rulesBuilding Setbacks & Zoning
3 rulesLandscaping Rules
4 rules- Tree TrimmingSome
- Tree Removal & Heritage TreesSome
- Weed OrdinancesHeavy
- Water RestrictionsSignificant
Property Maintenance
2 rules- Vacant Lot MaintenanceHeavy
- Property BlightHeavy
Trash & Recycling
8 rulesGarage & Yard Sales
1 ruleAccessory Structures
4 rules- Tiny HomesSome
- Garage ConversionsSome
- ADU RulesSome
- Shed & Carport RulesSome
Sign Regulations
4 rules- Garage Sale SignsSome
- Window SignsSome
- Digital BillboardsHeavy
- Political SignsSome
Curfew Laws
1 rule- Park CurfewSome
Business Licensing & Operations
7 rules- Adult EntertainmentSignificant
- Towing CompaniesSome
- Secondhand DealersSignificant
- PawnbrokersSignificant
- Tattoo & Body ModificationSignificant
Building Safety
8 rulesCannabis Regulations
2 rules- Dispensary ZoningSome
- Buffer ZonesSome
Historic Preservation
1 rule- Historic-Cultural MonumentsSignificant
Right to Farm
2 rulesPublic Conduct
7 rules- Public UrinationSome
- Loitering RulesSome
- Public Alcohol UseSome
- Skateboarding RulesSignificant
- Aggressive PanhandlingSignificant
Sidewalk & Pedestrian Rules
3 rules- Encroachment PermitsSome
- Obstruction RulesSome
- Sidewalk RepairSignificant
Drone Rules
1 rulePublic Health Rules
2 rules- Rodent ControlSignificant
- Food Handler CertificationSome
Food Trucks & Mobile Vendors
3 rules- Food Truck PermitsSome
- Sidewalk & Mobile VendingSignificant
- Vending ZonesSome
Soliciting & Door-to-Door
1 ruleEnvironmental Rules
5 rulesZoning Overlays & Bonuses
1 ruleHotels & Lodging
1 ruleSpecial Events & Permits
5 rulesRental Property Rules
4 rulesMobility & Curb Rules
3 rulesSolar Energy
1 rule- Panel PermitsSome
Data Centers & Crypto Mining
2 rulesOutdoor Lighting
2 rulesFilming & Production
1 rule- Location PermitsSome
Immigration Policy
1 ruleCode Violation Reporting
3 rules- How to ReportSome
- Common ViolationsSome
- Response TimesSome
Privacy & Surveillance
1 ruleFire Regulations
2 rules- Smoke DetectorsSome
- FireworksSignificant
Local Taxes & Fees
1 rule- Vacancy TaxSignificant
Rental Inspections
2 rules- Inspection ProgramsSignificant
- Tenant Complaint ProcessSome
Tree Protection
1 rule- Protected Tree SpeciesSignificant