Germantown Zoning Regulations & Building Permits Guide
Key Zoning Facts
Germantown Zoning Overview
Germantown is a Census Designated Place (CDP) in Montgomery County, Maryland. Zoning and land use regulations are administered by the Montgomery County Planning Department (not a separate city government).
Development Process
Development in Germantown generally follows Montgomery County procedures:
- Zoning Verification — Confirm your proposed use is permitted
- Pre-Application — Discuss project with Planning Department
- Site Plan Review — For commercial and multifamily projects
- Building Permit — Apply for permit with construction documents
- Inspections — Required inspections during construction
- Certificate of Occupancy — Final approval
Key Contacts
- Montgomery County Planning Department: 301-495-4610
- Hours: 9:00 a.m. – 3:30 p.m., Monday – Friday
- Address: 2425 Reedie Drive, 14th Floor, Wheaton, MD 20902
Important Note
Since Germantown is not an incorporated municipality, all zoning regulations are established by Montgomery County. Detailed information may require direct contact with the county Planning Department.
Disclaimer: This guide provides general information about zoning in Germantown and should not be relied upon as legal advice. Zoning codes are subject to change. Always verify current regulations with the Germantown planning department or municipal code before making development decisions.
Regulatory Layers That Apply in Germantown
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 — Maryland
- Building Code: 2015 IBC (Maryland amendments)
- State ADU Override: Yes (Maryland Accessory Dwelling Unit regulations)
County — Montgomery County
- Role: Zoning and land use regulation
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 and deed restrictions for additional requirements.
Primary Zoning Districts
- Min Lot
- Large (per zoning)
- Max Height
- Per district standards
- Front Setback
- Consult county
- Side Setback
- Consult county
- Rear Setback
- Consult county
- Min Lot
- Per district
- Max Height
- Per district standards
- Front Setback
- 30 ft
- Side Setback
- 8 ft (sum of 2 side yards: 25 ft)
- Rear Setback
- 25 ft
- Min Lot
- Per district
- Max Height
- Per district standards
- Front Setback
- 25 ft or 15 ft depending on conditions
- Side Setback
- 15 ft minimum
- Rear Setback
- Consult county
ADU Rules in Germantown
- Max Size
- 1,200 sq ft OR 50% of principal dwelling OR 10% of lot size (whichever smallest)
- Max Height
- Per zoning district
- Rear Setback
- 12 feet minimum
- Side Setback
- Same as principal dwelling minimum
- Parking
- 1 space if existing driveway; 2 if new driveway; NO parking required if within 1 mile of transit
- Owner Occupancy
- Administrative approval
- Permit Timeline
- Consult Planning Department
Permit Costs & Timelines
Permit Costs & Timelines
Specific permit fee schedules for Germantown are available from the local planning department. Fees vary based on project type, scope, and valuation.
Check Germantown permit fees →