Basic
$1,779 – $4,003 per project
Non-condensing indoor gas tankless about 160k BTU, stainless steel venting, isolation valves, connected to the gas line
Photo: Behrat · CC BY-SA 3.0 · Source
How Much Does Install Tankless Gas Water Heater Cost in Washington, District of Columbia?
Supply and install a whole-home natural-gas tankless water heater including venting and gas connection; gas-line upsizing beyond basic hookup extra.
Install Tankless Gas Water Heater in Washington, District of Columbia typically costs $2,093 to $4,709 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Tankless Gas Water Heater in Washington, District of Columbia
$2,093 – $4,709
per projectPrices in Washington are 5.0% higher than the national average for install tankless gas water heater.
National average: $2,000 – $4,500 per project
What you get at each price level
Standard
$2,093 – $4,709 per project
Condensing gas tankless about 180k BTU, PVC venting, isolation valve kit, condensate drain, gas connection and flow test
Premium
$2,616 – $5,887 per project
Condensing gas tankless 199k BTU with built-in recirculation pump, PVC venting, isolation valves, condensate neutralizer
Cost Breakdown in Washington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $945 – $2,126 | job |
| Labor | labor | $728 – $1,638 | job |
| Supplies & Other | supplies | $252 – $567 | job |
| Equipment & Disposal | equipment | $168 – $378 | job |
Prices adjusted for Washington local market conditions.
Install Tankless Gas Water Heater photo examples
Two tankless gas water heaters mounted on an exterior brick wall
Photo: Dinkun Chen · CC BY-SA 4.0 · Source
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Cost Factors in Washington, District of Columbia
What Affects Pricing
- Materials ($900.00-$2,025.00 per project)
- Labor ($700.00-$1,575.00 per project)
- Supplies & Other ($240.00-$540.00 per project)
- Equipment & Disposal ($160.00-$360.00 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 Tankless Gas Water Heater, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked 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 tankless gas water heater contractors in Washington for personalized quotes based on your specific project.