Basement Waterproofing Cost in District of Columbia
| Part of the job | Low | High |
|---|---|---|
| Parts and materials (our assumption) | $1,000 | $5,000 |
| Labor hours (our assumption) | 20 | 80 |
| Billed labor rate per hour | $74 | $134 |
| Estimated total | $2,500 | $15,700 |
Our estimate, not a quote. Billed rate is the District of Columbia median wage from BLS (2025, $29.67 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate
What other publishers report
| Publisher | Low | High | Scope |
|---|---|---|---|
| This Old House | $12,447 | $14,833 | 1,000 square foot basement. Page dated March 2026. |
| Bob Vila | $2,300 | $7,575 | Overall, citing Angi. Page dated June 2024. |
| Fixr | $3,000 | $10,000 | Overall. Page dated February 2026. |
Cities in District of Columbia
| Metro area | Median wage | Low | High |
|---|---|---|---|
| Washington, DC | $29.23 | $2,450 | $15,500 |
Who can legally do this in District of Columbia
Home improvement contractors in DC need a business license from DLCP and a $25,000 surety bond. Contractors doing residential work must also designate and maintain a Basic Business License for at least one Home Improvement Salesperson.
Check a license with SCOUT, DC Department of Licensing and Consumer Protection
Compared with neighboring states
Other carpenter jobs in District of Columbia
Basement Waterproofing cost in every state · District of Columbia home repair guide
General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.