Groundwork

Auto · County · California

Auto repair shops in Contra Costa County, CA

The auto repair shops 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 73 out of 100: Upper middle

Ranked #256 of 2,378 scored counties
#6 of 55 scored counties in California

Listings
758
134 chain locations (18%)
Official establishments
386
+4.0% since 2019
Household spending a year
$506.3M
On vehicle maintenance and repairs · $1,222 a household
Spending per listing
$668K
50% above the U.S.
Listings per 10k households
18.3
15% below the U.S.
Population, 2025
1,170,070
+0.3% since 2020

See the auto repair shops around any address in Contra Costa County

The site report maps the auto repair shops 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

Households in Contra Costa County spend about $506.3M a year on vehicle maintenance and repairs, or $1,222 per household, 28% above the U.S. average. That is about $668K of household spending for each shop on map listings, 50% above the U.S. figure of $445K. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops.

There are 758 auto repair shops on map listings in Contra Costa County as of September 2026. Of those, 134 are chain locations, or 18%, against 16% across the U.S. Per 10,000 households, that is 18.3, 15% below the U.S. rate of 21.5.

Official counts show 386 businesses with payroll classed as mechanical, body and glass repair in Contra Costa County in 2023, up 4.0% from 2019. That is one for every 1,074 households, against one for every 955 across the U.S. Another 655 one-person businesses have no payroll, by official counts. Since fiscal 2022, 24 SBA-backed loans worth $14.8M have gone to businesses classed as mechanical, body and glass repair in Contra Costa County.

Between 2020 and 2025, the population of Contra Costa County grew 0.3%, slower than the U.S. (+3.1%). For auto repair shops, Contra Costa County has a Groundwork market score of 73 (upper middle): #256 of 2,378 scored counties and #6 of 55 scored counties in California. That puts it in the top quarter of counties.

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 vehicle maintenance and repairs by the auto repair shops counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Auto repair shops in Contra Costa County, CA compared with California and the U.S.
MeasureContra Costa CountyCaliforniaU.S.
Listings per 10k households18.324.721.5
Spending per listing$668K$455K$445K
Households per official establishment1,074861955
Official establishment growth, 2019–2023+4.0%+2.1%+2.1%
Population growth, 2020–2025+0.3%−0.4%+3.1%
Spending per household on vehicle maintenance and repairs$1,222$1,122$958
Median household income$127,229$99,122$80,734
Groundwork market score7342

Official counts and lending

Businesses

Official establishments, 2019 to 2023
371 → 386+4.0% over the period
Employees, 2023
4,360
Annual payroll, 2023
$324.3M
One-person businesses, 2023
655Businesses with no payroll
Map listings, September 2026
758134 chain locations
Listings at the U.S. rate for this spending
1,139The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
24
Amount
$14.8M

SBA-backed loans to businesses classed as mechanical, body and glass repair 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 auto repair shops 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

Auto repair shops across California

Every California market ranked →

The highest-scoring counties in California for auto repair shops, numbered among those based in California, with Contra Costa County marked.

Top counties in California

Counties in California ranked for auto repair shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Yuba County, CA894014.0$817K+8.2%#30 of 2,378
2Calaveras County, CA812614.1$928K+2.8%#91 of 2,378
3San Benito County, CA804722.9$633K+8.6%#117 of 2,378
4Mariposa County, CA79810.7$1.1M−1.2%#126 of 2,378
5Placer County, CA7732320.4$591K+8.9%#172 of 2,378
6Contra Costa County, CA7375818.3$668K+0.3%#256 of 2,378
7Trinity County, CA7259.0$1.2M−2.3%#278 of 2,378
8Merced County, CA7218020.9$531K+5.1%#297 of 2,378
9El Dorado County, CA7013417.6$729K+0.6%#334 of 2,378
10Mono County, CA69610.4$1.1M−5.4%#357 of 2,378

Other business types in Contra Costa County

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

Questions

How many auto repair shops are in Contra Costa County, CA?

As of September 2026, map listings count 758 auto repair shops in Contra Costa County. 134 of them (18%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 386 businesses with payroll classed as mechanical, body and glass repair in 2023, up 4.0% from 2019. Official counts list 655 one-person businesses without payroll.

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

About $506.3M a year, or $1,222 per household. That is 28% above the U.S. average (an index of 128, where 100 is the U.S. average). Spread across the 758 auto repair shops on map listings, it comes to $668K per shop. That spending covers all vehicle maintenance and repairs, which auto repair shops 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 auto repair shops?

Contra Costa County has 18.3 auto repair shops per 10,000 households, 15% below the U.S. rate of 21.5. Spending per shop is $668K, 50% above the U.S. figure of $445K. At the U.S. ratio of auto repair shops to household spending, Contra Costa County would have about 1,139, against 758 on map listings. There is one business with payroll in the industry for every 1,074 households, against one for every 955 across the U.S. The official count rose 4.0% from 2019 to 2023, against +2.1% 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 73 for auto repair shops (upper middle), #256 of 2,378 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 auto repair shops 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 auto repair shops · 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.