Home services · County · California
HVAC and plumbing companies in San Luis Obispo County, CA
Competitor counts, household spending and official business counts for HVAC and plumbing companies in San Luis Obispo County, CA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 55 out of 100: Upper middle
Ranked #675 of 1,707 scored counties
#26 of 49 scored counties in California
- Listings
- 65
- 5 chain locations (8%)
- Official establishments
- 121
- +13.1% since 2019
- Household spending a year
- $344.1M
- On home repairs, maintenance and insurance · $3,143 a household
- Spending per listing
- $5.3M
- 11% above the U.S.
- Listings per 10k households
- 5.9
- 6% below the U.S.
- Population, 2025
- 282,367
- 0.0% since 2020
See the HVAC and plumbing companies around any address in San Luis Obispo 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 San Luis Obispo 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
At $3,143 per household (4% above the U.S. average), households in San Luis Obispo County spend about $344.1M a year on home repairs, maintenance and insurance. That is about $5.3M of household spending for each company on map listings, 11% 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 65 HVAC and plumbing companies on map listings in San Luis Obispo County as of September 2026. Of those, 5 are chain locations, or 8%, against 4% across the U.S. That is 5.9 per 10,000 households, 6% below the U.S. rate of 6.3.
Official counts show 121 businesses with payroll classed as plumbing, heating and air-conditioning contractors in San Luis Obispo County in 2023, up 13.1% from 2019. That is one for every 905 households, against one for every 1,162 across the U.S. Since fiscal 2022, 6 SBA-backed loans worth $2.9M have gone to businesses classed as plumbing, heating and air-conditioning contractors in San Luis Obispo County.
Between 2020 and 2025, the population of San Luis Obispo County held about level, against +3.1% for the U.S. San Luis Obispo County scores 55 (upper middle) on the Groundwork market score for HVAC and plumbing companies, ranking #675 of 1,707 scored counties and #26 of 49 scored counties in California.
How San Luis Obispo 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.
| Measure | San Luis Obispo County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 5.9 | 6.2 | 6.3 |
| Spending per listing | $5.3M | $5.2M | $4.8M |
| Households per official establishment | 905 | 1,159 | 1,162 |
| Official establishment growth, 2019–2023 | +13.1% | +10.4% | +7.6% |
| Population growth, 2020–2025 | 0.0% | −0.4% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $3,143 | $3,240 | $3,018 |
| Median household income | $97,446 | $99,122 | $80,734 |
| Groundwork market score | 55 | 54 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 107 → 121+13.1% over the period
- Employees, 2023
- 841
- Annual payroll, 2023
- $57.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 655 chain locations
- Listings at the U.S. rate for this spending
- 72The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 6
- Amount
- $2.9M
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in San Luis Obispo 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 Luis Obispo County
- Population, 2025 estimate
- 282,3670.0% since 2020
- Households
- 109,503
- Median age
- 42.3
- Homes lived in by their owners
- 62%
- Vehicles per household
- 2.1
- Land area
- 3,301 sq. mi.
- People per square mile
- 85
- Median household income
- $97,446+32.6% vs. 2015–2019, before inflation
- Average household income
- $132,001
- Median home value
- $824,700
- Jobs located here
- 112,621
- Daytime population
- 276,085Residents who don’t work, plus everyone whose job is here
Looking at a specific site in San Luis Obispo 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 San Luis Obispo County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardHVAC 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 San Luis Obispo County marked.
Top counties in California
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Yolo County, CA | 81 | 34 | 4.4 | $6.9M | +3.1% | #52 of 1,707 |
| 2San Francisco County, CA | 78 | 99 | 2.7 | $14M | −5.6% | #73 of 1,707 |
| 3Amador County, CA | 76 | 6 | 3.7 | $7.7M | +3.2% | #96 of 1,707 |
| 4San Joaquin County, CA | 74 | 130 | 5.3 | $5.7M | +5.5% | #136 of 1,707 |
| 5Alameda County, CA | 73 | 317 | 5.3 | $7M | −2.6% | #149 of 1,707 |
| 6Solano County, CA | 73 | 79 | 5.0 | $6.3M | +0.6% | #151 of 1,707 |
| 7Santa Clara County, CA | 72 | 388 | 5.9 | $7M | −0.9% | #165 of 1,707 |
| 8Contra Costa County, CA | 72 | 233 | 5.6 | $6.5M | +0.3% | #166 of 1,707 |
| 9Merced County, CA | 69 | 34 | 4.0 | $6.5M | +5.1% | #227 of 1,707 |
| 10Madera County, CA | 66 | 20 | 4.4 | $6.3M | +7.4% | #291 of 1,707 |
| 26San Luis Obispo County, CA | 55 | 65 | 5.9 | $5.3M | 0.0% | #675 of 1,707 |
Other business types in San Luis Obispo 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
- Home repair trades55
- HVAC and plumbing55
- Electricians46
- Roofing and gutters62
- Lawn, cleaning and pest control36
- Landscaping and lawn care40
- House cleaning39
- Pest control50
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in San Luis Obispo County, CA?
As of September 2026, map listings count 65 HVAC and plumbing companies in San Luis Obispo County. 5 of them (8%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 121 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 13.1% from 2019.
How much do households in San Luis Obispo County, CA spend on home repairs, maintenance and insurance?
About $344.1M a year, or $3,143 per household. That is 4% above the U.S. average (an index of 104, where 100 is the U.S. average). Spread across the 65 HVAC and plumbing companies on map listings, it comes to $5.3M 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 109,503 households in San Luis Obispo County and national spending patterns by income.
How does San Luis Obispo County, CA compare with the U.S. for HVAC and plumbing companies?
San Luis Obispo County has 5.9 HVAC and plumbing companies per 10,000 households, 6% below the U.S. rate of 6.3. Spending per company is $5.3M, 11% above the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, San Luis Obispo County would have about 72, against 65 on map listings. There is one business with payroll in the industry for every 905 households, against one for every 1,162 across the U.S. The official count rose 13.1% from 2019 to 2023, against +7.6% for the U.S.
How fast is San Luis Obispo County, CA growing?
Population estimates put San Luis Obispo County at 282,367 people in 2025, unchanged since 2020, against +3.1% for the U.S. It has 109,503 households. Median household income in San Luis Obispo County is $97,446, 21% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 32.6%, 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 Luis Obispo County scores 55 for HVAC and plumbing companies (upper middle), #675 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in San Luis Obispo 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 San Luis Obispo County
Screening a site or an acquisition in San Luis Obispo 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 Luis Obispo 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.