Basement remodel costs
Turn an underused basement into more practical living space, or update an existing finished basement. Define the rooms, finishes, and any bathroom work before comparing quotes. Moisture repairs, excavation, structural work, and egress requirements can change the scope and budget.
National planning benchmark. Portland-specific prices have not yet been verified.
Your price depends on project size, materials, access, and existing conditions. Confirm the scope, permits, disposal, and exclusions with your contractor.
What the project can include
- Reworking a finished basement or creating useful living areas.
- Bedrooms, recreation spaces, home theaters, or a wet bar.
- Bathroom additions or upgrades when included in the project.
Basement remodeling examples by size
| Area being remodeled | National planning range |
|---|---|
| 500 sq ft | $12,500–$32,500 |
| 750 sq ft | $18,800–$48,800 |
| 1,000 sq ft | $25,000–$65,000 |
National planning benchmarks. Scope and local bids can differ.
What affects your price
- The room types, finishes, and any additional bathroom work.
- Damage repairs or structural modifications.
- Emergency-exit work, excavation, and changes to the basement floor.
Before you compare bids
Identify moisture or damage concerns before choosing finishes. Discuss how the intended use affects the work, and have the contractor confirm local requirements and which repairs are included.