Groundwork

Auto · County · California

Auto repair and car care businesses in Marin County, CA

How Marin County, CA compares with other counties and the U.S. for auto repair and car care businesses: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 55 out of 100: Upper middle

Ranked #955 of 2,401 scored counties
#28 of 55 scored counties in California

Listings
336
55 chain locations (16%)
Official establishments
178
−4.8% since 2019
Household spending a year
$117.1M
On vehicle maintenance and repairs · $1,137 a household
Spending per listing
$349K
30% above the U.S.
Listings per 10k households
32.6
9% below the U.S.
Population, 2025
253,694
−2.9% since 2020

See the auto repair and car care businesses around any address in Marin County

The site report maps the auto repair and car care businesses 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 Marin 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

At $1,137 per household (19% above the U.S. average), households in Marin County spend about $117.1M a year on vehicle maintenance and repairs. That is about $349K of household spending for each business on map listings, 30% above the U.S. figure of $269K.

Marin County has 336 auto repair and car care businesses on map listings as of September 2026. 55 of them (16%) are chain locations, against 24% across the U.S. Per 10,000 households, that is 32.6, 9% below the U.S. rate of 35.7.

The official count of businesses with payroll classed as automotive repair and maintenance, and tire dealers in Marin County was 178 in 2023, down 4.8% from 2019. That is one for every 579 households, against one for every 681 across the U.S. Official counts also show 107 one-person businesses without payroll. Since fiscal 2022, 7 SBA-backed loans worth $7.4M have gone to businesses classed as automotive repair and maintenance, and tire dealers in Marin County.

Population estimates show Marin County declined 2.9% from 2020 to 2025, against +3.1% for the U.S. The Groundwork market score for auto repair and car care businesses in Marin County is 55 (upper middle), #955 of 2,401 scored counties and #28 of 55 scored counties in California.

How Marin 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 and car care businesses 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 and car care in Marin County, CA compared with California and the U.S.
MeasureMarin CountyCaliforniaU.S.
Listings per 10k households32.639.135.7
Spending per listing$349K$287K$269K
Households per official establishment579614681
Official establishment growth, 2019–2023−4.8%+3.3%+4.1%
Population growth, 2020–2025−2.9%−0.4%+3.1%
Spending per household on vehicle maintenance and repairs$1,137$1,122$958
Median household income$149,091$99,122$80,734
Groundwork market score5546

Official counts and lending

Businesses

Official establishments, 2019 to 2023
187 → 178−4.8% over the period
Employees, 2023
2,031
Annual payroll, 2023
$103.9M
One-person businesses, 2023
107Businesses with no payroll
Map listings, September 2026
33655 chain locations
Listings at the U.S. rate for this spending
436The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
7
Amount
$7.4M

SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers in Marin 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 Marin County

Population, 2025 estimate
253,694−2.9% since 2020
Households
103,018
Median age
47.7
Homes lived in by their owners
65%
Vehicles per household
1.8
Land area
520 sq. mi.
People per square mile
496
Median household income
$149,091+29.4% vs. 2015–2019, before inflation
Average household income
$232,579
Median home value
$1,507,300
Jobs located here
110,704
Daytime population
260,594Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marin 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 and car care businesses on map listings by name and distance.

Or open the report at the center of Marin 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 and car care across California

Every California market ranked →

The highest-scoring counties in California for auto repair and car care businesses, numbered among those based in California, with Marin County marked.

Top counties in California

Counties in California ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Yuba County, CA877124.8$460K+8.2%#35 of 2,401
2Calaveras County, CA864826.0$503K+2.8%#43 of 2,401
3Mariposa County, CA791114.7$784K−1.2%#133 of 2,401
4Placer County, CA7952733.4$362K+8.9%#147 of 2,401
5San Benito County, CA777436.0$402K+8.6%#181 of 2,401
6Contra Costa County, CA741,15627.9$438K+0.3%#242 of 2,401
7Trinity County, CA71916.1$642K−2.3%#328 of 2,401
8El Dorado County, CA7121428.1$457K+0.6%#329 of 2,401
9Merced County, CA7128232.8$339K+5.1%#339 of 2,401
10Mono County, CA681220.9$557K−5.4%#408 of 2,401
28Marin County, CA5533632.6$349K−2.9%#955 of 2,401

Other business types in Marin County

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

Questions

How many auto repair and car care businesses are in Marin County, CA?

Map listings as of September 2026 show 336 auto repair and car care businesses in Marin County. 55 of them (16%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 178 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, down 4.8% from 2019. Another 107 one-person businesses have no payroll, by official counts.

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

About $117.1M a year, or $1,137 per household. That is 19% above the U.S. average (an index of 119, where 100 is the U.S. average). Spread across the 336 auto repair and car care businesses on map listings, it comes to $349K per business. It is estimated from the incomes of the 103,018 households in Marin County and national spending patterns by income.

How does Marin County, CA compare with the U.S. for auto repair and car care businesses?

Marin County has 32.6 auto repair and car care businesses per 10,000 households, 9% below the U.S. rate of 35.7. Spending per business is $349K, 30% above the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Marin County would have about 436, against 336 on map listings. There is one business with payroll in the industry for every 579 households, against one for every 681 across the U.S. The official count fell 4.8% from 2019 to 2023, against +4.1% for the U.S.

How fast is Marin County, CA growing?

Population estimates put Marin County at 253,694 people in 2025, down 2.9% since 2020, against +3.1% for the U.S. It has 103,018 households. The median household income in Marin County is $149,091 a year, 85% above the U.S. median of $80,734. That rose 29.4% from the 2015–2019 survey, 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. Marin County scores 55 for auto repair and car care businesses (upper middle), #955 of 2,401 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Marin County. It maps the auto repair and car care businesses 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 and car care businesses · All 56 business types in Marin County

Screening a site or an acquisition in Marin 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 Marin 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.