Allentown Zoning & Land Use Guide
Last updated: Verified:
Key Zoning Facts
Regulatory Layers That Apply in Allentown
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA Flood Zones: Applicable
- View FEMA Flood Map
State — Pennsylvania
- Building Code: PA Uniform Construction Code (2018 IBC)
County — Lehigh County
- Role: Property records, tax assessment, unincorporated area planning
City / Municipal
The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.
Overlay Districts
No overlay districts identified.
Private Restrictions
- HOA / CC&Rs common: Yes
- Check HOA CC&Rs for additional restrictions.
Primary Zoning Districts
| District Code | Name | Min Lot | Max Height | Front Setback | Side Setback | Rear Setback | FAR |
|---|---|---|---|---|---|---|---|
| R-M | Residential Medium Density | 3,000 sq ft | 35 ft | 15 ft | 5 ft | 20 ft | — |
| R-MH | Residential Medium-High Density | None | 45 ft | 15 ft | 5 ft | 20 ft | — |
| B-2 | General Business | None | 50 ft | 0 ft | 0 ft | 10 ft | — |
ADU Rules in Allentown
ADUs:Not Allowed
- Max Size
- N/A
- Max Height
- N/A
- Rear Setback
- N/A
- Side Setback
- N/A
- Parking
- N/A
- Owner Occupancy
- N/A
- Permit Timeline
- N/A
Official Sources
Frequently Asked Questions
Frequently Asked Questions
Can I build an ADU in Allentown?
Allentown does not currently have specific ADU provisions. Contact the Bureau of Planning and Zoning for guidance on accessory structures and conversion options.
How do I find the zoning for my property in Allentown?
Use the City of Allentown online zoning map or contact the Bureau of Planning and Zoning at (610) 437-7611.
What zones allow multi-family housing in Allentown?
Multi-family housing is allowed in R-MH, R-H, and various business and mixed-use districts.
Disclaimer: The information on this website is provided for general informational purposes only and does not constitute legal, financial, or professional advice. Zoning codes and building regulations change frequently. Always verify current requirements with your local planning department and building authority before making any decisions.