Oak Ridge Zoning & Land Use Guide
Official references and local checks
Use the official references below to identify the rules that apply to your address, then confirm parcel-specific requirements with the local authority before filing an application.
Official references
- Population:
- 31,000
- County:
- Anderson County
- State building code:
- TN State Fire Marshal enforces code in some areas (based on 2018 IBC/IRC)(statewide default)
- State ADU law:
- No statewide override; local rules apply
- FEMA flood map:
- Search flood zones
- Planning department:
- City of Oak Ridge Planning Department
- Municipal code:
- View code online
- Zoning map:
- View local zoning map
Before you apply
- Call the City of Oak Ridge Planning Department: (865) 425-3531
- Search the municipal code for the chapter that covers your zoning district and proposed use.
- Use the local zoning map to look up your parcel's zoning designation before applying for a permit.
- Check FEMA flood zone for your parcel — flood-zone status changes setbacks, foundation requirements, and insurance.
- Check your HOA CC&Rs and recorded deed restrictions — they are common in Oak Ridge and frequently restrict ADUs, fences, and exterior changes beyond what zoning allows.
Key Zoning Facts
Regulatory Layers That Apply in Oak Ridge
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA flood mapping: check parcel-specific flood-zone status
- View FEMA Flood Map
State — Tennessee
- Building Code: Tennessee State Building Codes (2018 IBC with Tennessee amendments)
County — Anderson County
- Role: Property records, tax assessment, county planning commission reviews certain unincorporated area development
City / Municipal
The municipality's zoning ordinance, building-code enforcement, and local permits form the primary local layer of land-use regulation for your property.
Overlay Districts
- DOE Oak Ridge Reservation Adjacency — The U.S. Department of Energy's Oak Ridge Reservation (ORR) borders the city. The ORR is federal land not subject to city zoning, but neighboring properties may have historical land use considerations. Contact the Planning Department for details.
Private Restrictions
- Private covenants, deed restrictions, condominium rules, or association rules can impose requirements beyond zoning.
- Check HOA CC&Rs for additional requirements.
Statewide Context (Tennessee)
Local data for Oak Ridge is limited. The following state-level facts apply across Tennessee and are inherited by this page until city-specific details are verified.
- State Building Code
- TN State Fire Marshal enforces code in some areas (based on 2018 IBC/IRC)
- State ADU Preemption
- No statewide override
- Coastal Zone
- No
- Wildfire Zones
- No
ADU Rules in Oak Ridge
- Max Size
- Verify with planning department
Permit Costs & Timelines
Check Current Permit Fees & Timelines
Permit fees and review times can vary by project type, scope, valuation, and required approvals. Check the current schedule with the local permitting authority before filing.
Check current Oak Ridge permit information →Official Sources
City-specific