Skip to main content
BuildX Pro
Two silver wall-mounted tankless water heaters with copper and PEX piping and small expansion tanks on an OSB wall.

Photo: Behrat · CC BY-SA 3.0 · Source

How Much Does Gas Tankless Water Heater Cost in Washington, District of Columbia?

Install one whole-house natural gas tankless water heater including unit, venting, gas line connection and tank removal.

Gas Tankless Water Heater in Washington, District of Columbia typically costs $2,093 to $5,233 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Gas Tankless Water Heater in Washington, District of Columbia

$2,093 – $5,233

each

Prices in Washington are 5.0% higher than the national average for gas tankless water heater.

National average: $2,000 – $5,000 each

What you get at each price level

  • Basic

    $1,779 – $4,448 each

    Non-condensing whole-house gas tankless unit with stainless steel venting, isolation valves, gas connection, old tank removed

  • Standard

    $2,093 – $5,233 each

    Condensing whole-house gas tankless unit with PVC venting, condensate neutralizer, isolation valve kit, old tank removed

  • Premium

    $2,616 – $6,541 each

    Condensing gas tankless unit with built-in recirculation pump and Wi-Fi control, PVC venting, neutralizer, isolation valves

Cost Breakdown in Washington

ComponentCategoryPrice RangeUnit
Materialsmaterial$945 – $2,363each
Laborlabor$728 – $1,820each
Supplies & Othersupplies$252 – $630each
Equipment & Disposalequipment$168 – $420each
Prices adjusted for Washington local market conditions.

Gas Tankless Water Heater photo examples

Cost Factors in Washington, District of Columbia

What Affects Pricing

  • Materials ($900.00-$2,250.00 per unit)
  • Labor ($700.00-$1,750.00 per unit)
  • Supplies & Other ($240.00-$600.00 per unit)
  • Equipment & Disposal ($160.00-$400.00 per unit)

Local Price Adjustments

Material costs5.0% above avg
Labor costs4.0% above avg

Frequently Asked Questions

References

Get Free Estimates in Washington

Connect with local gas tankless water heater contractors in Washington for personalized quotes based on your specific project.

More Cost Intelligence for Washington