Home services · County · Alabama
HVAC and plumbing companies in St. Clair County, AL
The HVAC and plumbing companies in St. Clair County, AL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 41 out of 100: Lower middle
Ranked #1,184 of 1,707 scored counties
#24 of 35 scored counties in Alabama
- Listings
- 30
- 2 chain locations (7%)
- Official establishments
- 44
- +22.2% since 2019
- Household spending a year
- $97.8M
- On home repairs, maintenance and insurance · $2,786 a household
- Spending per listing
- $3.3M
- 31% below the U.S.
- Listings per 10k households
- 8.5
- 35% above the U.S.
- Population, 2025
- 98,206
- +7.1% since 2020
See the HVAC and plumbing companies around any address in St. Clair 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 St. Clair 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 home repairs, maintenance and insurance in St. Clair County comes to about $97.8M a year: $2,786 per household, 8% below the U.S. average. That works out to $3.3M per company, 31% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.
St. Clair County has 30 HVAC and plumbing companies on map listings as of September 2026. Of those, 2 are chain locations, or 7%, against 4% across the U.S. Per 10,000 households, that is 8.5, 35% above the U.S. rate of 6.3.
In 2023, official counts showed 44 businesses with payroll in St. Clair County classed as plumbing, heating and air-conditioning contractors, up 22.2% from 2019. That is one for every 798 households, against one for every 1,162 across the U.S.
Population estimates put the population change in St. Clair County from 2020 to 2025 at +7.1%, faster than the U.S. (+3.1%). St. Clair County scores 41 (lower middle) on the Groundwork market score for HVAC and plumbing companies, ranking #1,184 of 1,707 scored counties and #24 of 35 scored counties in Alabama.
How St. Clair County compares
The same measures for Alabama 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 | St. Clair County | Alabama | U.S. |
|---|---|---|---|
| Listings per 10k households | 8.5 | 6.6 | 6.3 |
| Spending per listing | $3.3M | $4.1M | $4.8M |
| Households per official establishment | 798 | 1,213 | 1,162 |
| Official establishment growth, 2019–2023 | +22.2% | +14.0% | +7.6% |
| Population growth, 2020–2025 | +7.1% | +3.2% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,786 | $2,699 | $3,018 |
| Median household income | $77,463 | $63,999 | $80,734 |
| Groundwork market score | 41 | 38 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 36 → 44+22.2% over the period
- Employees, 2023
- 316
- Annual payroll, 2023
- $17.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 302 chain locations
- Listings at the U.S. rate for this spending
- 21The 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 plumbing, heating and air-conditioning contractors in St. Clair 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 St. Clair County
- Population, 2025 estimate
- 98,206+7.1% since 2020
- Households
- 35,107
- Median age
- 41.6
- Homes lived in by their owners
- 83%
- Vehicles per household
- 2.1
- Land area
- 632 sq. mi.
- People per square mile
- 149
- Median household income
- $77,463+32.9% vs. 2015–2019, before inflation
- Average household income
- $91,073
- Median home value
- $226,300
- Jobs located here
- 22,156
- Daytime population
- 72,944Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Clair 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 St. Clair 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 Alabama
Every Alabama market ranked →The highest-scoring counties in Alabama for HVAC and plumbing companies, numbered among those based in Alabama, with St. Clair County marked.
Top counties in Alabama
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Autauga County, AL | 84 | 10 | 4.4 | $6.7M | +5.1% | #33 of 1,707 |
| 2Coffee County, AL | 83 | 5 | 2.4 | $11.3M | +6.3% | #37 of 1,707 |
| 3Madison County, AL | 78 | 96 | 5.8 | $5.4M | +11.0% | #83 of 1,707 |
| 4DeKalb County, AL | 66 | 10 | 3.8 | $6.2M | +3.4% | #293 of 1,707 |
| 5Lawrence County, AL | 60 | 6 | 4.4 | $6M | +2.3% | #486 of 1,707 |
| 6Chilton County, AL | 60 | 12 | 6.7 | $3.9M | +5.9% | #507 of 1,707 |
| 7Tuscaloosa County, AL | 59 | 59 | 6.6 | $4.1M | +3.8% | #544 of 1,707 |
| 8Jackson County, AL | 58 | 6 | 2.8 | $8.9M | +3.3% | #549 of 1,707 |
| 9Montgomery County, AL | 56 | 47 | 5.1 | $5M | −1.1% | #636 of 1,707 |
| 10Limestone County, AL | 55 | 33 | 8.1 | $3.8M | +18.0% | #688 of 1,707 |
| 24St. Clair County, AL | 41 | 30 | 8.5 | $3.3M | +7.1% | #1,184 of 1,707 |
Other business types in St. Clair 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 St. Clair County, AL?
Map listings as of September 2026 show 30 HVAC and plumbing companies in St. Clair County. 2 of them (7%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 44 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 22.2% from 2019.
How much do households in St. Clair County, AL spend on home repairs, maintenance and insurance?
About $97.8M a year, or $2,786 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 30 HVAC and plumbing companies on map listings, it comes to $3.3M 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 35,107 households in St. Clair County and national spending patterns by income.
How does St. Clair County, AL compare with the U.S. for HVAC and plumbing companies?
St. Clair County has 8.5 HVAC and plumbing companies per 10,000 households, 35% above the U.S. rate of 6.3. Spending per company is $3.3M, 31% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, St. Clair County would have about 21, against 30 on map listings. There is one business with payroll in the industry for every 798 households, against one for every 1,162 across the U.S. The official count rose 22.2% from 2019 to 2023, against +7.6% for the U.S.
How fast is St. Clair County, AL growing?
Population estimates put St. Clair County at 98,206 people in 2025, up 7.1% since 2020, faster than the U.S. (+3.1%). It has 35,107 households. Median household income in St. Clair County is $77,463, 4% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 32.9%, 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. St. Clair County scores 41 for HVAC and plumbing companies (lower middle), #1,184 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in St. Clair 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 St. Clair County
Screening a site or an acquisition in St. Clair 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 St. Clair 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.