Home services · County · California
HVAC and plumbing companies in Siskiyou County, CA
How Siskiyou County, CA compares with other counties and the U.S. for HVAC and plumbing companies: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 34 out of 100: Lower middle
Ranked #1,390 of 1,707 scored counties
#45 of 49 scored counties in California
- Listings
- 11
- 0 chain locations (0%)
- Official establishments
- 16
- Businesses with payroll, 2023
- Household spending a year
- $46.6M
- On home repairs, maintenance and insurance · $2,442 a household
- Spending per listing
- $4.2M
- 11% below the U.S.
- Listings per 10k households
- 5.8
- 8% below the U.S.
- Population, 2025
- 42,013
- −4.5% since 2020
See the HVAC and plumbing companies around any address in Siskiyou 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 Siskiyou 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
For HVAC and plumbing companies, Siskiyou County has a Groundwork market score of 34 (lower middle): #1,390 of 1,707 scored counties and #45 of 49 scored counties in California. That puts it in the bottom quarter of counties.
Households in Siskiyou County spend about $46.6M a year on home repairs, maintenance and insurance, or $2,442 per household, 19% below the U.S. average. Spread across 11 HVAC and plumbing companies, that is $4.2M per company, 11% below 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 11 HVAC and plumbing companies on map listings in Siskiyou County as of September 2026. None of them are chain locations, against 4% across the U.S. That is 5.8 per 10,000 households, 8% below the U.S. rate of 6.3.
In 2023, official counts showed 16 businesses with payroll in Siskiyou County classed as plumbing, heating and air-conditioning contractors. That is one for every 1,192 households, against one for every 1,162 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $165K have gone to businesses classed as plumbing, heating and air-conditioning contractors in Siskiyou County. Between 2020 and 2025, the population of Siskiyou County declined 4.5%, against +3.1% for the U.S.
How Siskiyou 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 | Siskiyou County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 5.8 | 6.2 | 6.3 |
| Spending per listing | $4.2M | $5.2M | $4.8M |
| Households per official establishment | 1,192 | 1,159 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | +10.4% | +7.6% |
| Population growth, 2020–2025 | −4.5% | −0.4% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,442 | $3,240 | $3,018 |
| Median household income | $59,095 | $99,122 | $80,734 |
| Groundwork market score | 34 | 54 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 15 → 16
- Employees, 2023
- 114
- Annual payroll, 2023
- $7.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 110 chain locations
- Listings at the U.S. rate for this spending
- 10The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 3
- Amount
- $165K
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Siskiyou 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 Siskiyou County
- Population, 2025 estimate
- 42,013−4.5% since 2020
- Households
- 19,079
- Median age
- 46.8
- Homes lived in by their owners
- 69%
- Vehicles per household
- 2.0
- Land area
- 6,279 sq. mi.
- People per square mile
- 7
- Median household income
- $59,095+30.6% vs. 2015–2019, before inflation
- Average household income
- $82,222
- Median home value
- $309,500
- Jobs located here
- 13,187
- Daytime population
- 41,151Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Siskiyou 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 Siskiyou 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 Siskiyou 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 |
| 45Siskiyou County, CA | 34 | 11 | 5.8 | $4.2M | −4.5% | #1,390 of 1,707 |
Other business types in Siskiyou 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
Funeral services
Questions
How many HVAC and plumbing companies are in Siskiyou County, CA?
As of September 2026, map listings count 11 HVAC and plumbing companies in Siskiyou County. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 16 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.
How much do households in Siskiyou County, CA spend on home repairs, maintenance and insurance?
About $46.6M a year, or $2,442 per household. That is 19% below the U.S. average (an index of 81, where 100 is the U.S. average). Spread across the 11 HVAC and plumbing companies on map listings, it comes to $4.2M 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 19,079 households in Siskiyou County and national spending patterns by income.
How does Siskiyou County, CA compare with the U.S. for HVAC and plumbing companies?
Siskiyou County has 5.8 HVAC and plumbing companies per 10,000 households, 8% below the U.S. rate of 6.3. Spending per company is $4.2M, 11% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Siskiyou County would have about 10, against 11 on map listings. There is one business with payroll in the industry for every 1,192 households, against one for every 1,162 across the U.S.
How fast is Siskiyou County, CA growing?
Population estimates put Siskiyou County at 42,013 people in 2025, down 4.5% since 2020, against +3.1% for the U.S. It has 19,079 households. Median household income in Siskiyou County is $59,095, 27% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 30.6%, 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. Siskiyou County scores 34 for HVAC and plumbing companies (lower middle), #1,390 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Siskiyou 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 Siskiyou County
Screening a site or an acquisition in Siskiyou 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 Siskiyou 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.