What's Required in Memphis
- Building permit required to convert or build habitable space.
- Zoning approval needed for secondary dwelling units.
- Must meet all standard building, electrical, and plumbing codes.
- HVAC and electrical work are mandatory inclusions.
- Separate utility connections or approved shared capacity required.
- Site plan must show parking and setbacks.
How Much Does an ADU Permit Cost in Memphis?
Budget $800–$2,000 for the Memphis permit itself (valuation-based), issued by the Shelby County Department of Construction Code Enforcement — but treat that as the entry fee, not the total. ADUs are full dwelling units, so the permit stack usually includes building, electrical, plumbing, and mechanical trade permits, plus plan review. One local note: includes building, electrical, and plumbing permits for living spaces. Get an itemized fee estimate from the department before finalizing your budget; the spread between a simple conversion and a new detached build is wide.
ADU Size Limits and Zoning Rules in Memphis
Before drawing plans, check the two gates that sink most ADU projects: size and zoning. Size ceilings vary by lot and ADU type (attached, detached, or conversion), so confirm your specific configuration. Other recorded conditions: site plan must show parking and setbacks. Setbacks, height limits, and utility connections layer on top of those rules. The Shelby County Department of Construction Code Enforcement can confirm what your specific lot allows — worth doing before you pay for architectural drawings rather than after.
How to Get a ADU Permit in Memphis
Step 1: Zoning Check
Ensure your lot allows for a secondary dwelling unit.
Step 2: Professional Plans
Develop detailed construction drawings for a guest house or ADU.
Step 3: Submit Portal
Apply online through Memphis permit services.
Step 4: Comprehensive Review
Staff review for zoning, safety, and utility compliance.
Step 5: Certificate of Occupancy
Final inspection required before habitation.