Basic
$1,334 – $4,448 per project
1 in. PEX service line in an open trench at frost depth with tracer wire, approved tie-ins at meter and house, pressure tested
How Much Does Install Water Line Cost in Washington, District of Columbia?
Replace/install the main water service line from the meter or curb stop to the house (typically 25-75 ft of PEX or copper, trenched), including tie-ins and permit.
Install Water Line in Washington, District of Columbia typically costs $1,570 to $5,233 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Water Line in Washington, District of Columbia
$1,570 – $5,233
per projectPrices in Washington are 5.0% higher than the national average for install water line.
National average: $1,500 – $5,000 per project
What you get at each price level
Standard
$1,570 – $5,233 per project
1 in. PEX service line on sand bedding with tracer wire, new full-port valve at the house, backfilled and pressure tested
Premium
$1,962 – $6,541 per project
1 in. Type K copper service line on sand bedding, sleeved foundation entry, new full-port main valve, compacted backfill
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $709 – $2,363 | job |
| Labor | labor | $546 – $1,820 | job |
| Supplies & Other | supplies | $189 – $630 | job |
| Equipment & Disposal | equipment | $126 – $420 | job |
Prices adjusted for Washington local market conditions.
Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($675.00-$2,250.00 per project)
- Labor ($525.00-$1,750.00 per project)
- Supplies & Other ($180.00-$600.00 per project)
- Equipment & Disposal ($120.00-$400.00 per project)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
References
- Plumbing Price Guide: Water line replacement cost 2026, plumbingpriceguide.com, retrieved Nov 2026
- Plumbing Estimator Pros: Water line replacement cost 2026, plumbingestimatorpros.com, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Washington
Connect with local install water line contractors in Washington for personalized quotes based on your specific project.