Groundwork

Home services · County · California

HVAC and plumbing companies in Contra Costa County, CA

The HVAC and plumbing companies in Contra Costa County, CA, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 72 out of 100: Upper middle

Ranked #166 of 1,707 scored counties
#8 of 49 scored counties in California

Listings
233
13 chain locations (6%)
Official establishments
324
+12.9% since 2019
Household spending a year
$1.5B
On home repairs, maintenance and insurance · $3,666 a household
Spending per listing
$6.5M
37% above the U.S.
Listings per 10k households
5.6
11% below the U.S.
Population, 2025
1,170,070
+0.3% since 2020

See the HVAC and plumbing companies around any address in Contra Costa 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 Contra Costa County. Signed out, you see a blurred preview; on an account, each report is one action.

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

The Groundwork market score for HVAC and plumbing companies in Contra Costa County is 72 (upper middle), #166 of 1,707 scored counties and #8 of 49 scored counties in California. That puts it in the top 10% of counties for HVAC and plumbing companies.

Households in Contra Costa County spend about $1.5B a year on home repairs, maintenance and insurance, or $3,666 per household, 21% above the U.S. average. That is about $6.5M of household spending for each company on map listings, 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.

There are 233 HVAC and plumbing companies on map listings in Contra Costa County as of September 2026. Of those, 13 are chain locations, or 6%, against 4% across the U.S. That comes to 5.6 for every 10,000 households, 11% below the U.S. rate of 6.3.

In 2023, official counts showed 324 businesses with payroll in Contra Costa County classed as plumbing, heating and air-conditioning contractors, up 12.9% from 2019. That is one for every 1,279 households, against one for every 1,162 across the U.S. Since fiscal 2022, 20 SBA-backed loans worth $9.9M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Contra Costa County. Between 2020 and 2025, the population of Contra Costa County grew 0.3%, slower than the U.S. (+3.1%).

How Contra Costa County compares

The same measures for California 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 Contra Costa County, CA compared with California and the U.S.
MeasureContra Costa CountyCaliforniaU.S.
Listings per 10k households5.66.26.3
Spending per listing$6.5M$5.2M$4.8M
Households per official establishment1,2791,1591,162
Official establishment growth, 2019–2023+12.9%+10.4%+7.6%
Population growth, 2020–2025+0.3%−0.4%+3.1%
Spending per household on home repairs, maintenance and insurance$3,666$3,240$3,018
Median household income$127,229$99,122$80,734
Groundwork market score7254

Official counts and lending

Businesses

Official establishments, 2019 to 2023
287 → 324+12.9% over the period
Employees, 2023
3,973
Annual payroll, 2023
$516.3M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
23313 chain locations
Listings at the U.S. rate for this spending
319The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
20
Amount
$9.9M

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Contra Costa 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 Contra Costa County

Population, 2025 estimate
1,170,070+0.3% since 2020
Households
414,417
Median age
41.2
Homes lived in by their owners
68%
Vehicles per household
2.0
Land area
717 sq. mi.
People per square mile
1,625
Median household income
$127,229+27.6% vs. 2015–2019, before inflation
Average household income
$174,872
Median home value
$866,800
Jobs located here
382,994
Daytime population
1,022,844Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Contra Costa 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 Contra Costa 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 California

Every California market ranked →

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

Top counties in California

Counties in California ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Yolo County, CA81344.4$6.9M+3.1%#52 of 1,707
2San Francisco County, CA78992.7$14M−5.6%#73 of 1,707
3Amador County, CA7663.7$7.7M+3.2%#96 of 1,707
4San Joaquin County, CA741305.3$5.7M+5.5%#136 of 1,707
5Alameda County, CA733175.3$7M−2.6%#149 of 1,707
6Solano County, CA73795.0$6.3M+0.6%#151 of 1,707
7Santa Clara County, CA723885.9$7M−0.9%#165 of 1,707
8Contra Costa County, CA722335.6$6.5M+0.3%#166 of 1,707
9Merced County, CA69344.0$6.5M+5.1%#227 of 1,707
10Madera County, CA66204.4$6.3M+7.4%#291 of 1,707

Other business types in Contra Costa County

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

Questions

How many HVAC and plumbing companies are in Contra Costa County, CA?

As of September 2026, map listings count 233 HVAC and plumbing companies in Contra Costa County. 13 of them (6%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 324 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 12.9% from 2019.

How much do households in Contra Costa County, CA spend on home repairs, maintenance and insurance?

About $1.5B a year, or $3,666 per household. That is 21% above the U.S. average (an index of 121, where 100 is the U.S. average). Spread across the 233 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 414,417 households in Contra Costa County and national spending patterns by income.

How does Contra Costa County, CA compare with the U.S. for HVAC and plumbing companies?

Contra Costa County has 5.6 HVAC and plumbing companies per 10,000 households, 11% 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, Contra Costa County would have about 319, against 233 on map listings. There is one business with payroll in the industry for every 1,279 households, against one for every 1,162 across the U.S. The official count rose 12.9% from 2019 to 2023, against +7.6% for the U.S.

How fast is Contra Costa County, CA growing?

Population estimates put Contra Costa County at 1,170,070 people in 2025, up 0.3% since 2020, slower than the U.S. (+3.1%). It has 414,417 households. Median household income in Contra Costa County is $127,229, 58% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 27.6%, 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. Contra Costa County scores 72 for HVAC and plumbing companies (upper middle), #166 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Contra Costa 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 Contra Costa County

Screening a site or an acquisition in Contra Costa 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 Contra Costa 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.