Groundwork

Market rankings · Washington

HVAC and plumbing companies in Washington

Every metro area, small-town market and county in Washington, ranked by the Groundwork market score for HVAC and plumbing companies, with competitor counts and household spending for each.

Listings
1,502
71 chain locations (5%)
Official establishments
2,242
+8.9% since 2019
Household spending a year
$9.8B
On home repairs, maintenance and insurance
Listings per 10k households
4.9
22% below the U.S.
Spending per listing
$6.5M
37% above the U.S.
Rank among states
#2 of 51
Market score 83 · High

A site report maps the HVAC and plumbing companies on map listings around any address in Washington by name and distance, and the spending within reach.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

There are 1,502 HVAC and plumbing companies on map listings in Washington as of September 2026. Chain locations make up 5% of them, against 4% across the U.S. Per 10,000 households, that is 4.9, 22% below the U.S. rate of 6.3.

Household spending on home repairs, maintenance and insurance in Washington comes to about $9.8B a year: $3,196 per household, 6% above the U.S. average. That works out to $6.5M per company, 37% above the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Washington was 2,242 in 2023, up 8.9% from 2019. That is one for every 1,367 households, against one for every 1,162 across the U.S. Across the U.S., the count rose 7.6% over the same years. Since fiscal 2022, 149 SBA-backed loans worth $63.3M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Washington.

Among the 50 states and DC, Washington ranks #2 for HVAC and plumbing companies, with a Groundwork market score of 83 (high). Of the 13 scored metro areas in or partly in Washington, the Seattle-Tacoma-Bellevue metro area scores highest (86). Of the 8 scored small-town markets in or partly in Washington, the Shelton area scores highest (90).

Every market in Washington for HVAC and plumbing companies

Download the ranking (CSV)

Numbered by Groundwork market score among the markets based in Washington, highest first; the U.S. rank compares each market with every other of its kind. A metro area that crosses a state line is listed in each state it reaches, and numbered only in the state its page is under. How the score works.

Metro areas

Metro areas reaching Washington, ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Seattle-Tacoma-Bellevue, WA867494.7$7.5M+3.3%#3 of 387
2Bellingham, WA77404.3$6.8M+3.9%#15 of 387
3Bremerton-Silverdale-Port Orchard, WA74534.9$6.5M+2.7%#23 of 387
4Kennewick-Richland, WA73545.0$5.9M+6.5%#28 of 387
Portland-Vancouver-Hillsboro, OR-WA695475.4$5.8M+1.0%#51 of 387
5Olympia-Lacey-Tumwater, WA69726.1$4.9M+2.8%#54 of 387
6Spokane-Spokane Valley, WA621305.5$5.1M+3.5%#94 of 387
7Mount Vernon-Anacortes, WA59305.7$5.1M+2.4%#121 of 387
Lewiston, ID-WA52166.0$4.5M+1.5%#183 of 387
8Wenatchee-East Wenatchee, WA50306.3$4.6M+5.0%#196 of 387
9Longview-Kelso, WA47286.4$4.2M+3.5%#215 of 387
10Yakima, WA45495.6$4.7M+1.0%#234 of 387
11Walla Walla, WA33166.8$4M−0.4%#326 of 387

Small-town markets

Small-town markets reaching Washington, ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Shelton, WA90103.8$7.4M+7.8%#5 of 476
2Moses Lake, WA84123.4$7.8M+6.3%#7 of 476
3Aberdeen, WA7992.9$8.6M+3.0%#16 of 476
4Pullman, WA7273.7$6.6M+1.5%#39 of 476
5Ellensburg, WA72105.0$5.6M+4.2%#42 of 476
6Oak Harbor, WA70113.1$9.6M−1.5%#52 of 476
7Centralia, WA70206.1$4.4M+6.7%#56 of 476
8Port Angeles, WA68133.7$7.2M+1.1%#63 of 476
Port Townsend, WANot scored42.4$11.3M+2.7%
Othello, WANot scored00.0n/a+4.3%

Counties

Counties in Washington, ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1King County, WA893884.1$8.9M+3.1%#11 of 1,707
2Mason County, WA85103.8$7.4M+7.8%#23 of 1,707
3Stevens County, WA8073.6$7.4M+6.6%#64 of 1,707
4Grant County, WA79123.4$7.8M+6.3%#70 of 1,707
5Whatcom County, WA77404.3$6.8M+3.9%#88 of 1,707
6Benton County, WA76364.6$6.4M+6.9%#99 of 1,707
7Pierce County, WA751604.6$6.9M+2.5%#114 of 1,707
8Kitsap County, WA75534.9$6.5M+2.7%#117 of 1,707
9Grays Harbor County, WA7392.9$8.6M+3.0%#140 of 1,707
10Thurston County, WA70726.1$4.9M+2.8%#216 of 1,707
11Snohomish County, WA682016.4$5.3M+4.9%#254 of 1,707
12Island County, WA67113.1$9.6M−1.5%#265 of 1,707
13Whitman County, WA6773.7$6.6M+1.5%#273 of 1,707
14Franklin County, WA67186.0$4.9M+5.6%#282 of 1,707
15Kittitas County, WA65105.0$5.6M+4.2%#338 of 1,707
16Lewis County, WA63206.1$4.4M+6.7%#402 of 1,707
17Skagit County, WA62305.7$5.1M+2.4%#425 of 1,707
18Spokane County, WA621235.6$5M+3.2%#430 of 1,707
19Clark County, WA621336.8$4.6M+5.3%#435 of 1,707
20Clallam County, WA61133.7$7.2M+1.1%#444 of 1,707
21Okanogan County, WA6063.4$7.3M+7.3%#478 of 1,707
22San Juan County, WA5855.5$5.4M+4.2%#561 of 1,707
23Cowlitz County, WA54286.4$4.2M+3.5%#719 of 1,707
24Yakima County, WA52495.6$4.7M+1.0%#779 of 1,707
25Walla Walla County, WA41166.8$4M−0.4%#1,165 of 1,707
Show all 39 counties
Counties in Washington, ranked for HVAC and plumbing companies by Groundwork market score, continued
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
26Chelan County, WA41268.2$3.5M+3.3%#1,176 of 1,707
Douglas County, WANot scored42.5$11.7M+8.0%
Jefferson County, WANot scored42.4$11.3M+2.7%
Pacific County, WANot scored21.8$14.2M+3.6%
Klickitat County, WANot scored22.0$13.7M+6.6%
Asotin County, WANot scored44.2$6.5M+1.0%
Adams County, WANot scored00.0n/a+4.3%
Pend Oreille County, WANot scored11.7$15.6M+7.1%
Skamania County, WANot scored00.0n/a+5.2%
Lincoln County, WANot scored12.1$12.7M+9.7%
Ferry County, WANot scored00.0n/a+4.4%
Wahkiakum County, WANot scored00.0n/a+9.6%
Columbia County, WANot scored15.4$4.7M+4.7%
Garfield County, WANot scored00.0n/a+5.2%

Markets with fewer than 5 HVAC and plumbing companies on map listings, and counties under 10,000 people, aren’t scored; they’re listed last in each table.

Questions

How many HVAC and plumbing companies are in Washington?

As of September 2026, map listings count 1,502 HVAC and plumbing companies in Washington. 71 of them (5%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 2,242 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 8.9% from 2019.

How much do households in Washington spend on home repairs, maintenance and insurance?

About $9.8B a year, or $3,196 per household. That is 6% above the U.S. average (an index of 106, where 100 is the U.S. average). Spread across the 1,502 HVAC and plumbing companies on map listings, it comes to $6.5M per company. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade. It is estimated from the incomes of the 3,064,820 households in Washington and national spending patterns by income.

How does Washington compare with the U.S. for HVAC and plumbing companies?

Washington has 4.9 HVAC and plumbing companies per 10,000 households, 22% below the U.S. rate of 6.3. Spending per company is $6.5M, 37% above the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Washington would have about 2,059, against 1,502 on map listings. There is one business with payroll in the industry for every 1,367 households, against one for every 1,162 across the U.S. The official count rose 8.9% from 2019 to 2023, against +7.6% for the U.S.

Which market in Washington has the highest market score for HVAC and plumbing companies?

Among 13 scored metro areas in or partly in Washington, the Seattle-Tacoma-Bellevue metro area scores highest, at 86 (high). Among 8 scored small-town markets in or partly in Washington, the Shelton area scores highest, at 90 (very high). Among 26 scored counties in Washington, King County scores highest, at 89 (high). Scores compare each market with others of its kind across the U.S.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Washington scores 83 for HVAC and plumbing companies (high), #2 of the 50 states and DC.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Washington. It maps the HVAC and plumbing companies on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

HVAC and plumbing in other states

All 51 states

Top markets for HVAC and plumbing companies across the U.S. · All business types in Washington

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This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are estimates for research only. Not investment or real estate advice.