Legalizing an existing basement is an investigation and corrective-construction project. The goal is to determine what was approved, what exists and what evidence or changes are required.
Collect What You Already Have
- Previous drawings and permits
- Inspection reports or City notices
- Electrical documentation
- ARU registration information
- Renovation contracts and photographs
Document the Existing Condition
Measure the rooms, openings and visible building systems. Finished surfaces may limit certainty, so the assessment should distinguish observed facts from items requiring access or further review.
Prepare Existing and Proposed Drawings
The drawing set may need to show what will remain and what will change. The design should resolve layout, exits, fire protection, plumbing, HVAC, electrical work and exterior alterations together.
Expect Selective Openings
Concealed construction sometimes needs to be exposed for verification. Plan where access is useful, who authorizes it and how the area will be restored.
Complete Corrective Work
- Fire separation and penetrations
- Doors, alarms, exits and windows
- Plumbing, HVAC or electrical deficiencies
- Mechanical room and service access
- Rooms that do not match approved use
Finish Inspections and Registration
Resolve documented deficiencies, collect required trade information and complete the City registration path before representing the unit as legal.
Request a basement assessment
Share the current condition, intended use and the type of help you need.