Auto · County · California
Oil change and quick-lube shops in San Diego County, CA
How San Diego County, CA compares with other counties and the U.S. for oil change and quick-lube shops: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 66 out of 100: Upper middle
Ranked #102 of 479 scored counties
#19 of 31 scored counties in California
- Listings
- 70
- 55 chain locations (79%)
- Official establishments
- 76
- +33.3% since 2019
- Household spending a year
- $1.3B
- On vehicle maintenance and repairs · $1,128 a household
- Spending per listing
- $18.9M
- 37% above the U.S.
- Listings per 10k households
- 0.6
- 14% below the U.S.
- Population, 2025
- 3,282,248
- −0.6% since 2020
See the oil change and quick-lube shops around any address in San Diego County
The site report maps the oil change and quick-lube 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 San Diego County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Household spending on vehicle maintenance and repairs in San Diego County comes to about $1.3B a year: $1,128 per household, 18% above the U.S. average. Spread across 70 oil change and quick-lube shops, that is $18.9M per shop, 37% above the U.S. figure of $13.7M. The spending figure covers all vehicle maintenance and repairs, not only oil change and quick-lube shops.
San Diego County has 70 oil change and quick-lube shops on map listings as of September 2026. Chain locations make up 79% of them, against 73% across the U.S. That comes to 0.6 for every 10,000 households, 14% below the U.S. rate of 0.7.
Official counts show 76 businesses with payroll classed as oil change and lubrication shops in San Diego County in 2023, up 33.3% from 2019. That is one for every 15,412 households, against one for every 14,222 across the U.S.
Population estimates put the population change in San Diego County from 2020 to 2025 at −0.6%, against +3.1% for the U.S. San Diego County scores 66 (upper middle) on the Groundwork market score for oil change and quick-lube shops, ranking #102 of 479 scored counties and #19 of 31 scored counties in California. That puts it in the top quarter of counties.
How San Diego 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 oil change and quick-lube 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.
| Measure | San Diego County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.6 | 0.6 | 0.7 |
| Spending per listing | $18.9M | $20M | $13.7M |
| Households per official establishment | 15,412 | 16,685 | 14,222 |
| Official establishment growth, 2019–2023 | +33.3% | +17.0% | +12.1% |
| Population growth, 2020–2025 | −0.6% | −0.4% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,128 | $1,122 | $958 |
| Median household income | $106,268 | $99,122 | $80,734 |
| Groundwork market score | 66 | 61 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 57 → 76+33.3% over the period
- Employees, 2023
- 835
- Annual payroll, 2023
- $29.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 7055 chain locations
- Listings at the U.S. rate for this spending
- 96The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 0
- Amount
- $0
SBA-backed loans to businesses classed as oil change and lubrication shops in San Diego 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 San Diego County
- Population, 2025 estimate
- 3,282,248−0.6% since 2020
- Households
- 1,171,278
- Median age
- 38.9
- Homes lived in by their owners
- 55%
- Vehicles per household
- 1.9
- Land area
- 4,211 sq. mi.
- People per square mile
- 781
- Median household income
- $106,268+34.6% vs. 2015–2019, before inflation
- Average household income
- $141,250
- Median home value
- $854,700
- Jobs located here
- 1,516,991
- Daytime population
- 3,269,716Residents who don’t work, plus everyone whose job is here
Looking at a specific site in San Diego 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 oil change and quick-lube shops on map listings by name and distance.
Or open the report at the center of San Diego County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardOil change and quick lube across California
Every California market ranked →The highest-scoring counties in California for oil change and quick-lube shops, numbered among those based in California, with San Diego County marked.
Top counties in California
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Placer County, CA | 91 | 9 | 0.6 | $21.2M | +8.9% | #1 of 479 |
| 2Merced County, CA | 78 | 5 | 0.6 | $19.1M | +5.1% | #18 of 479 |
| 3San Joaquin County, CA | 78 | 16 | 0.7 | $18.7M | +5.5% | #19 of 479 |
| 4Riverside County, CA | 76 | 52 | 0.7 | $18.5M | +5.0% | #28 of 479 |
| 5Santa Barbara County, CA | 75 | 5 | 0.3 | $34.4M | −1.4% | #31 of 479 |
| 6Santa Clara County, CA | 75 | 28 | 0.4 | $28.4M | −0.9% | #32 of 479 |
| 7Monterey County, CA | 72 | 6 | 0.5 | $26.8M | −1.5% | #45 of 479 |
| 8El Dorado County, CA | 72 | 6 | 0.8 | $16.3M | +0.6% | #50 of 479 |
| 9San Mateo County, CA | 71 | 14 | 0.5 | $22.7M | −2.5% | #54 of 479 |
| 10Sonoma County, CA | 71 | 10 | 0.5 | $22.6M | −0.4% | #55 of 479 |
| 19San Diego County, CA | 66 | 70 | 0.6 | $18.9M | −0.6% | #102 of 479 |
Other business types in San Diego County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
- Auto repair and car care54
- Auto repair shops53
- Collision repair and body shops63
- Car washes and detailing65
- Tire shops66
- Oil change and quick lube66
- Gas stations70
- Insurance agencies31
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many oil change and quick-lube shops are in San Diego County, CA?
Map listings as of September 2026 show 70 oil change and quick-lube shops in San Diego County. 55 of them (79%) are chain locations. The listings count oil change and quick-lube shops. Official counts show 76 businesses with payroll classed as oil change and lubrication shops in 2023, up 33.3% from 2019.
How much do households in San Diego County, CA spend on vehicle maintenance and repairs?
About $1.3B a year, or $1,128 per household. That is 18% above the U.S. average (an index of 118, where 100 is the U.S. average). Spread across the 70 oil change and quick-lube shops on map listings, it comes to $18.9M per shop. That spending covers all vehicle maintenance and repairs, which oil change and quick-lube shops share with other businesses in the trade. It is estimated from the incomes of the 1,171,278 households in San Diego County and national spending patterns by income.
How does San Diego County, CA compare with the U.S. for oil change and quick-lube shops?
San Diego County has 0.6 oil change and quick-lube shops per 10,000 households, 14% below the U.S. rate of 0.7. Spending per shop is $18.9M, 37% above the U.S. figure of $13.7M. At the U.S. ratio of oil change and quick-lube shops to household spending, San Diego County would have about 96, against 70 on map listings. There is one business with payroll in the industry for every 15,412 households, against one for every 14,222 across the U.S. The official count rose 33.3% from 2019 to 2023, against +12.1% for the U.S.
How fast is San Diego County, CA growing?
Population estimates put San Diego County at 3,282,248 people in 2025, down 0.6% since 2020, against +3.1% for the U.S. It has 1,171,278 households. Median household income in San Diego County is $106,268, 32% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 34.6%, 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. San Diego County scores 66 for oil change and quick-lube shops (upper middle), #102 of 479 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in San Diego County. It maps the oil change and quick-lube 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 oil change and quick-lube shops · All 56 business types in San Diego County
Screening a site or an acquisition in San Diego 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 San Diego 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.