Rules for ZIP Code 63021
Ballwin, MO · St. Louis County
65 local rules on file for this area. This ZIP code is in an unincorporated area of St. Louis County. County ordinances apply directly to properties here.
ZIP code 63021 falls within St. Louis County, MO. This is an unincorporated area, which means there is no city government. Instead, St. Louis 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 63021 based on St. Louis County county ordinances.
Swimming Pools & Spas
4 rules- Fencing RequirementsHeavy Restrictions
- Above-Ground PoolsSome Restrictions
- Pool PermitsSome Restrictions
- Safety RulesHeavy Restrictions
Short-Term Rentals
5 rules- Permit RequirementsFew Restrictions
- Taxes & FeesSome Restrictions
- Noise RulesSome Restrictions
- Parking RulesSome Restrictions
- Occupancy LimitsHeavy Restrictions
Fire Regulations
3 rules- FireworksHeavy Restrictions
- Fire Pit RulesSome Restrictions
- Outdoor BurningHeavy Restrictions
Fence Regulations
3 rules- Height LimitsFew Restrictions
- Retaining WallsSome Restrictions
- Material RestrictionsHeavy Restrictions
Noise Ordinances
3 rules- Barking DogsSome Restrictions
- Quiet HoursSome Restrictions
- Vehicle NoiseHeavy Restrictions
Animal Ordinances
4 rules- Chickens & LivestockSome Restrictions
- Wildlife FeedingSome Restrictions
- Pet LimitsSome Restrictions
- Dog Leash LawsHeavy Restrictions
Parking Rules
5 rules- Commercial Vehicle RestrictionsHeavy Restrictions
- Driveway RulesSome Restrictions
- Abandoned VehiclesHeavy Restrictions
- RV & Boat ParkingSome Restrictions
- Street Parking LimitsSome Restrictions
Accessory Structures
3 rules- Carport RulesSome Restrictions
- ADU RulesHeavy Restrictions
- Shed RulesSome Restrictions
Home Business
2 rules- Zoning RestrictionsHeavy Restrictions
- Home DaycareSome Restrictions
Trash & Recycling
6 rules- Bulk Item DisposalSome Restrictions
- Recycling RequirementsFew Restrictions
- Illegal DumpingHeavy Restrictions
- Yard Waste CollectionHeavy Restrictions
- Pickup Rules & SchedulesHeavy Restrictions
Landscaping Rules
3 rules- CompostingFew Restrictions
- Grass Height LimitsHeavy Restrictions
- Tree TrimmingSome Restrictions
Sign Regulations
3 rules- Garage Sale SignsHeavy Restrictions
- Holiday DisplaysFew Restrictions
- Political SignsSome Restrictions
Curfew Laws
1 rule- Juvenile CurfewHeavy Restrictions
Property Maintenance
4 rules- Property BlightHeavy Restrictions
- Vacant Lot MaintenanceSome Restrictions
- Snow & Sidewalk ClearingFew Restrictions
- Trash Bin StorageSome Restrictions
Solar Energy
1 rule- Panel PermitsSome Restrictions
Environmental Rules
3 rules- Flood ZonesHeavy Restrictions
- Grading & DrainageSome Restrictions
- Stormwater ManagementHeavy Restrictions
Soliciting & Door-to-Door
1 rule- Solicitor PermitsSome Restrictions
Rental Property Rules
2 rules- Rental Inspection ProgramsHeavy Restrictions
- Rental RegistrationHeavy Restrictions
Food Trucks & Mobile Vendors
1 rule- Food Truck PermitsSome Restrictions
Drone Rules
1 rule- Park Drone RestrictionsHeavy Restrictions
Cannabis Regulations
2 rules- Dispensary ZoningSome Restrictions
- Personal Cultivation LimitsSome Restrictions
Building Setbacks & Zoning
1 rule- Setback RulesHeavy Restrictions
Garage & Yard Sales
1 rule- Frequency LimitsSome Restrictions
HOA Rules
1 rule- CC&R EnforcementSome Restrictions
Tree Protection
1 rule- Tree Removal PermitsFew Restrictions
Outdoor Lighting
1 rule- Light TrespassSome Restrictions