Basic
$406 – $503 per project
Black iron branch line sized for the appliance load from the existing supply, threaded fittings, strapped, shutoff valve and sediment trap, pressure tested
How Much Does Install Gas Line Cost in Washington, District of Columbia?
Install Gas Line: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Install Gas Line in Washington, District of Columbia typically costs $478 to $592 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Gas Line in Washington, District of Columbia
$478 – $592
per projectPrices in Washington are 5.0% higher than the national average for install gas line.
National average: $457 – $565 per project
What you get at each price level
Standard
$478 – $592 per project
Black iron line sized for the load, strapped to framing, ground-joint union, accessible shutoff valve and sediment trap at the appliance, pressure tested
Premium
$598 – $739 per project
Black iron line sized for the load, strapped with protective sleeves through framing, union, labeled shutoff and sediment trap, coated exposed pipe, pressure tested
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $216 – $267 | job |
| Labor | labor | $166 – $206 | job |
| Supplies & Other | supplies | $58 – $71 | job |
| Equipment & Disposal | equipment | $38 – $47 | job |
Prices adjusted for Washington local market conditions.
Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($205.63-$254.35 per project)
- Labor ($159.93-$197.83 per project)
- Supplies & Other ($456.95-$565.23 per project)
- Equipment & Disposal ($456.95-$565.23 per project)
Local Price Adjustments
Material costs5.0% above avg
Labor costs4.0% above avg
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Install Gas Line, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 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 gas line contractors in Washington for personalized quotes based on your specific project.