Real estate · County · California
Home inspectors in San Joaquin County, CA
How San Joaquin County, CA compares with other counties and the U.S. for home inspectors: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 83 out of 100: High
Ranked #4 of 415 scored counties
#1 of 24 scored counties in California
- Listings
- 9
- 0 chain locations (0%)
- Official establishments
- 10
- Businesses with payroll, 2023
- Household spending a year
- $4.7B
- On rent and homeowner costs · $19,029 a household
- Housing spending per listing (U.S. = 100)
- 198
- 98% above the U.S.
- Listings per 10k households
- 0.4
- 33% below the U.S.
- Population, 2025
- 823,815
- +5.5% since 2020
See the home inspectors around any address in San Joaquin County
The site report maps the home inspectors 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 Joaquin 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
San Joaquin County scores 83 (high) on the Groundwork market score for home inspectors, ranking #4 of 415 scored counties and #1 of 24 scored counties in California. That puts it in the top 10% of counties for home inspectors.
Map listings as of September 2026 show 9 home inspectors in San Joaquin County. None of them are chain locations, against 3% across the U.S. That is 0.4 per 10,000 households, 33% below the U.S. rate of 0.6.
Households in San Joaquin County spend about $4.7B a year on rent and homeowner costs, or $19,029 per household, 14% above the U.S. average. Housing spending per business is 98% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money home inspectors take in.
The official count of businesses with payroll classed as building inspection services in San Joaquin County was 10 in 2023. That is one for every 24,525 households, against one for every 17,237 across the U.S. Between 2020 and 2025, the population of San Joaquin County grew 5.5%, faster than the U.S. (+3.1%).
How San Joaquin County compares
The same measures for California and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.
| Measure | San Joaquin County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.4 | 0.5 | 0.6 |
| Housing spending per listing (U.S. = 100) | 198 | 168 | 100 |
| Households per official establishment | 24,525 | 13,535 | 17,237 |
| Official establishment growth, 2019–2023 | n/a | +14.5% | +6.5% |
| Population growth, 2020–2025 | +5.5% | −0.4% | +3.1% |
| Spending per household on rent and homeowner costs | $19,029 | $19,977 | $16,661 |
| Median household income | $92,179 | $99,122 | $80,734 |
| Groundwork market score | 83 | 55 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 11 → 10
- Employees, 2023
- 11
- Annual payroll, 2023
- $796K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 90 chain locations
- Listings at the U.S. rate for this spending
- 18The 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 building inspection services in San Joaquin 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 Joaquin County
- Population, 2025 estimate
- 823,815+5.5% since 2020
- Households
- 245,250
- Median age
- 35.9
- Homes lived in by their owners
- 62%
- Vehicles per household
- 2.1
- Land area
- 1,392 sq. mi.
- People per square mile
- 573
- Median household income
- $92,179+43.1% vs. 2015–2019, before inflation
- Average household income
- $117,604
- Median home value
- $530,700
- Jobs located here
- 284,408
- Daytime population
- 748,070Residents who don’t work, plus everyone whose job is here
Looking at a specific site in San Joaquin 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 home inspectors on map listings by name and distance.
Or open the report at the center of San Joaquin County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardHome inspectors across California
Every California market ranked →The highest-scoring counties in California for home inspectors, numbered among those based in California, with San Joaquin County marked.
Top counties in California
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1San Joaquin County, CA | 83 | 9 | 0.4 | 198 | +5.5% | #4 of 415 |
| 2Santa Clara County, CA | 82 | 16 | 0.2 | 380 | −0.9% | #7 of 415 |
| 3San Francisco County, CA | 79 | 9 | 0.2 | 350 | −5.6% | #13 of 415 |
| 4Solano County, CA | 74 | 8 | 0.5 | 148 | +0.6% | #34 of 415 |
| 5Alameda County, CA | 73 | 23 | 0.4 | 221 | −2.6% | #40 of 415 |
| 6Fresno County, CA | 73 | 10 | 0.3 | 217 | +2.6% | #41 of 415 |
| 7Contra Costa County, CA | 72 | 10 | 0.2 | 348 | +0.3% | #45 of 415 |
| 8Monterey County, CA | 71 | 7 | 0.5 | 141 | −1.5% | #48 of 415 |
| 9Sacramento County, CA | 70 | 38 | 0.7 | 109 | +2.0% | #60 of 415 |
| 10Stanislaus County, CA | 69 | 6 | 0.3 | 204 | +0.7% | #61 of 415 |
Other business types in San Joaquin County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
- Real estate54
- Real estate agents and brokers57
- Property management66
- Mortgage brokers and lenders58
- Home inspectors83
Funeral services
Questions
How many home inspectors are in San Joaquin County, CA?
There are 9 home inspectors on map listings in San Joaquin County as of September 2026. None of them are chain locations. The listings count home inspectors. Official counts show 10 businesses with payroll classed as building inspection services in 2023.
How much do households in San Joaquin County, CA spend on rent and homeowner costs?
About $4.7B a year, or $19,029 per household. That is 14% above the U.S. average (an index of 114, where 100 is the U.S. average). For the 9 home inspectors on map listings, housing spending per business is 98% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money home inspectors take in. It is estimated from the incomes of the 245,250 households in San Joaquin County and national spending patterns by income.
How does San Joaquin County, CA compare with the U.S. for home inspectors?
San Joaquin County has 0.4 home inspectors per 10,000 households, 33% below the U.S. rate of 0.6. The index of housing spending per business is 198, where 100 is the U.S. At the national ratio of home inspectors to household spending, San Joaquin County would have about 18, against 9 on map listings. There is one business with payroll in the industry for every 24,525 households, against one for every 17,237 across the U.S.
How fast is San Joaquin County, CA growing?
Population estimates put San Joaquin County at 823,815 people in 2025, up 5.5% since 2020, faster than the U.S. (+3.1%). It has 245,250 households. Median household income in San Joaquin County is $92,179, 14% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 43.1%, 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. San Joaquin County scores 83 for home inspectors (high), #4 of 415 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in San Joaquin County. It maps the home inspectors 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 home inspectors · All 56 business types in San Joaquin County
Screening a site or an acquisition in San Joaquin 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 Joaquin 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.