Home services · County · South Carolina
HVAC and plumbing companies in Williamsburg County, SC
How Williamsburg County, SC compares with other counties and the U.S. for HVAC and plumbing companies: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 1.
- Listings
- 1
- 0 chain locations (0%)
- Official establishments
- 5
- Businesses with payroll, 2023
- Household spending a year
- $27.3M
- On home repairs, maintenance and insurance · $2,217 a household
- Spending per listing
- $27.3M
- Too few listings to compare
- Listings per 10k households
- 0.8
- Too few listings to compare
- Population, 2025
- 29,662
- −4.0% since 2020
See the HVAC and plumbing companies around any address in Williamsburg 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 Williamsburg 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 Williamsburg County comes to about $27.3M a year: $2,217 per household, 27% below the U.S. average. That works out to $27.3M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.
There is 1 HVAC or plumbing company on map listings in Williamsburg County as of September 2026. That is 0.8 per 10,000 households.
Official counts show 5 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Williamsburg County in 2023. That is one for every 2,458 households, against one for every 1,162 across the U.S.
Between 2020 and 2025, the population of Williamsburg County declined 4.0%, against +3.1% for the U.S. With 1 HVAC or plumbing company on map listings, Williamsburg County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How Williamsburg County compares
The same measures for South Carolina 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 | Williamsburg County | South Carolina | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.8 | 6.7 | 6.3 |
| Spending per listing | $27.3M | $4.2M | $4.8M |
| Households per official establishment | 2,458 | 1,257 | 1,162 |
| Official establishment growth, 2019–2023 | n/a | +1.8% | +7.6% |
| Population growth, 2020–2025 | −4.0% | +8.5% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,217 | $2,802 | $3,018 |
| Median household income | $46,213 | $69,324 | $80,734 |
| Groundwork market score | Not scored | 56 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 5
- Employees, 2023
- 36
- Annual payroll, 2023
- $1.2M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 10 chain locations
- Listings at the U.S. rate for this spending
- 6The 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 Williamsburg 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 Williamsburg County
- Population, 2025 estimate
- 29,662−4.0% since 2020
- Households
- 12,291
- Median age
- 43.5
- Homes lived in by their owners
- 76%
- Vehicles per household
- 1.9
- Land area
- 934 sq. mi.
- People per square mile
- 32
- Median household income
- $46,213+42.3% vs. 2015–2019, before inflation
- Average household income
- $59,459
- Median home value
- $104,500
- Jobs located here
- 7,315
- Daytime population
- 24,639Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Williamsburg 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 Williamsburg 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 South Carolina
Every South Carolina market ranked →The highest-scoring counties in South Carolina for HVAC and plumbing companies, numbered among those based in South Carolina, with Williamsburg County marked.
Top counties in South Carolina
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Lancaster County, SC | 83 | 20 | 5.0 | $6M | +18.3% | #41 of 1,707 |
| 2Kershaw County, SC | 81 | 11 | 4.1 | $6.7M | +11.6% | #54 of 1,707 |
| 3Aiken County, SC | 75 | 32 | 4.6 | $6.1M | +7.3% | #121 of 1,707 |
| 4Berkeley County, SC | 73 | 63 | 6.7 | $4.4M | +18.7% | #162 of 1,707 |
| 5Dorchester County, SC | 69 | 36 | 5.7 | $5.2M | +10.1% | #239 of 1,707 |
| 6Richland County, SC | 69 | 100 | 6.0 | $4.6M | +4.6% | #243 of 1,707 |
| 7Oconee County, SC | 66 | 18 | 5.2 | $5.2M | +6.3% | #304 of 1,707 |
| 8Beaufort County, SC | 66 | 56 | 6.8 | $4.7M | +8.9% | #312 of 1,707 |
| 9Pickens County, SC | 65 | 24 | 4.6 | $5.7M | +5.7% | #333 of 1,707 |
| 10Chesterfield County, SC | 64 | 7 | 4.0 | $5.9M | +3.4% | #359 of 1,707 |
| Williamsburg County, SC | Not scored | 1 | 0.8 | $27.3M | −4.0% |
Other business types in Williamsburg 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 Williamsburg County, SC?
As of September 2026, map listings count 1 HVAC or plumbing company in Williamsburg County. The listings count heating and air-conditioning companies and plumbers. Official counts show 5 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023.
How much do households in Williamsburg County, SC spend on home repairs, maintenance and insurance?
About $27.3M a year, or $2,217 per household. That is 27% below the U.S. average (an index of 73, where 100 is the U.S. average). Spread across the 1 HVAC or plumbing company on map listings, it comes to $27.3M 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 12,291 households in Williamsburg County and national spending patterns by income.
How does Williamsburg County, SC compare with the U.S. for HVAC and plumbing companies?
Williamsburg County has 1 HVAC or plumbing company on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of HVAC and plumbing companies to household spending, Williamsburg County would have about 6, against 1 on map listings. There is one business with payroll in the industry for every 2,458 households, against one for every 1,162 across the U.S.
How fast is Williamsburg County, SC growing?
Population estimates put Williamsburg County at 29,662 people in 2025, down 4.0% since 2020, against +3.1% for the U.S. It has 12,291 households. Median household income in Williamsburg County is $46,213, 43% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 42.3%, 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. Williamsburg County has no market score for HVAC and plumbing companies: the score needs at least 5 on map listings, and it has 1.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Williamsburg 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 Williamsburg County
Screening a site or an acquisition in Williamsburg 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 Williamsburg 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.