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Home services · County · Oregon

HVAC and plumbing companies in Washington County, OR

How Washington County, OR compares with other counties and the U.S. for HVAC and plumbing companies: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 79 out of 100: High

Ranked #72 of 1,707 scored counties
#2 of 26 scored counties in Oregon

Listings
118
8 chain locations (7%)
Official establishments
147
+17.6% since 2019
Household spending a year
$780.8M
On home repairs, maintenance and insurance · $3,317 a household
Spending per listing
$6.6M
39% above the U.S.
Listings per 10k households
5.0
21% below the U.S.
Population, 2025
611,708
+1.8% since 2020

See the HVAC and plumbing companies around any address in Washington County

The site report maps the HVAC and plumbing companies on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Washington County. Signed out, you see a blurred preview; on an account, each report is one action.

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

What this means

For HVAC and plumbing companies, Washington County has a Groundwork market score of 79 (high): #72 of 1,707 scored counties and #2 of 26 scored counties in Oregon. That puts it in the top 10% of counties for HVAC and plumbing companies.

Household spending on home repairs, maintenance and insurance in Washington County comes to about $780.8M a year: $3,317 per household, 10% above the U.S. average. Spread across 118 HVAC and plumbing companies, that is $6.6M per company, 39% above the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

There are 118 HVAC and plumbing companies on map listings in Washington County as of September 2026. Chain locations make up 7% of them, against 4% across the U.S. That comes to 5.0 for every 10,000 households, 21% below the U.S. rate of 6.3.

Official counts show 147 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Washington County in 2023, up 17.6% from 2019. That is one for every 1,601 households, against one for every 1,162 across the U.S. Since fiscal 2022, 13 SBA-backed loans worth $8.7M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Washington County. Population estimates show Washington County grew 1.8% from 2020 to 2025, slower than the U.S. (+3.1%).

How Washington County compares

The same measures for Oregon and the whole U.S. Spending per listing divides a year of household spending on all home repairs, maintenance and insurance by the HVAC and plumbing companies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

HVAC and plumbing in Washington County, OR compared with Oregon and the U.S.
MeasureWashington CountyOregonU.S.
Listings per 10k households5.05.46.3
Spending per listing$6.6M$5.3M$4.8M
Households per official establishment1,6011,2851,162
Official establishment growth, 2019–2023+17.6%+8.3%+7.6%
Population growth, 2020–2025+1.8%+0.7%+3.1%
Spending per household on home repairs, maintenance and insurance$3,317$2,907$3,018
Median household income$107,772$83,011$80,734
Groundwork market score7958

Official counts and lending

Businesses

Official establishments, 2019 to 2023
125 → 147+17.6% over the period
Employees, 2023
1,767
Annual payroll, 2023
$181M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
1188 chain locations
Listings at the U.S. rate for this spending
164The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
13
Amount
$8.7M

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Washington County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Washington County

Population, 2025 estimate
611,708+1.8% since 2020
Households
235,406
Median age
39.2
Homes lived in by their owners
61%
Vehicles per household
1.9
Land area
724 sq. mi.
People per square mile
834
Median household income
$107,772+31.1% vs. 2015–2019, before inflation
Average household income
$137,880
Median home value
$588,000
Jobs located here
327,531
Daytime population
625,516Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Washington County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the HVAC and plumbing companies on map listings by name and distance.

Or open the report at the center of Washington County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

HVAC and plumbing across Oregon

Every Oregon market ranked →

The highest-scoring counties in Oregon for HVAC and plumbing companies, numbered among those based in Oregon, with Washington County marked.

Top counties in Oregon

Counties in Oregon ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Benton County, OR84153.9$7.3M+4.4%#30 of 1,707
2Washington County, OR791185.0$6.6M+1.8%#72 of 1,707
3Multnomah County, OR731514.3$7.1M−2.6%#147 of 1,707
4Marion County, OR70584.6$6M+2.7%#205 of 1,707
5Columbia County, OR69115.3$5.3M+2.6%#237 of 1,707
6Polk County, OR66154.5$6.3M+2.3%#289 of 1,707
7Crook County, OR6654.6$6.2M+10.6%#294 of 1,707
8Yamhill County, OR66205.1$5.7M+2.2%#299 of 1,707
9Lane County, OR61714.4$5.9M−0.7%#450 of 1,707
10Malheur County, OR5954.9$4.9M+1.9%#534 of 1,707

Other business types in Washington County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many HVAC and plumbing companies are in Washington County, OR?

As of September 2026, map listings count 118 HVAC and plumbing companies in Washington County. 8 of them (7%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 147 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 17.6% from 2019.

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

About $780.8M a year, or $3,317 per household. That is 10% above the U.S. average (an index of 110, where 100 is the U.S. average). Spread across the 118 HVAC and plumbing companies on map listings, it comes to $6.6M 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 235,406 households in Washington County and national spending patterns by income.

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

Washington County has 5.0 HVAC and plumbing companies per 10,000 households, 21% below the U.S. rate of 6.3. Spending per company is $6.6M, 39% above the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Washington County would have about 164, against 118 on map listings. There is one business with payroll in the industry for every 1,601 households, against one for every 1,162 across the U.S. The official count rose 17.6% from 2019 to 2023, against +7.6% for the U.S.

How fast is Washington County, OR growing?

Population estimates put Washington County at 611,708 people in 2025, up 1.8% since 2020, slower than the U.S. (+3.1%). It has 235,406 households. Median household income in Washington County is $107,772, 33% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.1%, before inflation.

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 County scores 79 for HVAC and plumbing companies (high), #72 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Washington County. 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.

How the score works · Top markets for HVAC and plumbing companies · All 56 business types in Washington County

Screening a site or an acquisition in Washington County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Washington County. Signed out, you see a blurred preview; on an account, each report is one action.

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.