Remodel - Basement Cost in Washington, DC in 2026
Most Remodel - Basement projects in Washington, DC cost between $69,000 and $320,000. The typical price is $150,000.
Basements are cheaper per square foot because the shell already exists.
Labour and materials in Washington run about 25% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Whether the addition needs its own foundation and roof tie-in
- Adding a bathroom or kitchen (plumbing and electrical runs)
- Structural work to the existing wall being opened up
- Local permit and inspection requirements
Usually included
- Framing, roofing and siding to match
- Electrical rough-in and finish
- Insulation, drywall and paint
- Flooring and trim
Usually extra
- Permits and architectural drawings
- Site work or tree removal
- High-end fixtures and appliances
Unit prices in Washington, DC
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $99 |
| Mid-range | $215 |
| High-end | $455 |
Home addition and remodeling contractors in Washington, DC
Businesses listed on Google near Washington, DC. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Remodel Washington DC
4.9(158 reviews)
949 1st St SE, Washington, DC 20003
DC Home Remodeling
5.0(95 reviews)
950 N Washington St Office # 309, Alexandria, VA 22314
DMV Home Additions And Remodeling
5.0(37 reviews)
2900 Main Line Blvd Ste 900, Alexandria, VA 22301
DMV HOME ADDITION CONTRACTOR
5.0(37 reviews)
2900 Main Line Blvd Apt 738, Alexandria, VA 22301
J&E Modern Construction LLC
4.9(37 reviews)
1300 I St NW #400e, Washington, DC 20005
Four Brothers Design + Build
4.5(51 reviews)
4009 Georgia Ave NW, Washington, DC 20011