Home services · County · New Jersey
HVAC and plumbing companies in Somerset County, NJ
Competitor counts, household spending and official business counts for HVAC and plumbing companies in Somerset County, NJ, set against other counties and the U.S.
Groundwork market score · out of 100
Score 77 out of 100: High
Ranked #85 of 1,707 scored counties
#4 of 21 scored counties in New Jersey
- Listings
- 76
- 2 chain locations (3%)
- Official establishments
- 117
- −7.1% since 2019
- Household spending a year
- $564.1M
- On home repairs, maintenance and insurance · $4,313 a household
- Spending per listing
- $7.4M
- 56% above the U.S.
- Listings per 10k households
- 5.8
- 8% below the U.S.
- Population, 2025
- 356,486
- +3.5% since 2020
See the HVAC and plumbing companies around any address in Somerset 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 Somerset 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
The Groundwork market score for HVAC and plumbing companies in Somerset County is 77 (high), #85 of 1,707 scored counties and #4 of 21 scored counties in New Jersey. That puts it in the top 10% of counties for HVAC and plumbing companies.
Map listings as of September 2026 show 76 HVAC and plumbing companies in Somerset County. Of those, 2 are chain locations, or 3%, against 4% across the U.S. That is 5.8 per 10,000 households, 8% below the U.S. rate of 6.3.
Household spending on home repairs, maintenance and insurance in Somerset County comes to about $564.1M a year: $4,313 per household, 43% above the U.S. average. Spread across 76 HVAC and plumbing companies, that is $7.4M per company, 56% above the U.S. figure of $4.8M. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade.
Official counts show 117 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Somerset County in 2023, down 7.1% from 2019. That is one for every 1,118 households, against one for every 1,162 across the U.S. Since fiscal 2022, 7 SBA-backed loans worth $1.9M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Somerset County. Population estimates put the population change in Somerset County from 2020 to 2025 at +3.5%, in step with the U.S. (+3.1%).
How Somerset County compares
The same measures for New Jersey 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 | Somerset County | New Jersey | U.S. |
|---|---|---|---|
| Listings per 10k households | 5.8 | 6.2 | 6.3 |
| Spending per listing | $7.4M | $6M | $4.8M |
| Households per official establishment | 1,118 | 1,016 | 1,162 |
| Official establishment growth, 2019–2023 | −7.1% | −0.6% | +7.6% |
| Population growth, 2020–2025 | +3.5% | +3.0% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $4,313 | $3,682 | $3,018 |
| Median household income | $140,374 | $103,556 | $80,734 |
| Groundwork market score | 77 | 68 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 126 → 117−7.1% over the period
- Employees, 2023
- 833
- Annual payroll, 2023
- $71M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 762 chain locations
- Listings at the U.S. rate for this spending
- 119The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 7
- Amount
- $1.9M
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Somerset 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 Somerset County
- Population, 2025 estimate
- 356,486+3.5% since 2020
- Households
- 130,802
- Median age
- 42.6
- Homes lived in by their owners
- 74%
- Vehicles per household
- 1.9
- Land area
- 302 sq. mi.
- People per square mile
- 1,159
- Median household income
- $140,374+23.6% vs. 2015–2019, before inflation
- Average household income
- $191,543
- Median home value
- $552,100
- Jobs located here
- 201,609
- Daytime population
- 369,052Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Somerset 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 Somerset 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 New Jersey
Every New Jersey market ranked →The highest-scoring counties in New Jersey for HVAC and plumbing companies, numbered among those based in New Jersey, with Somerset County marked.
Top counties in New Jersey
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Hudson County, NJ | 88 | 59 | 2.0 | $18M | +1.8% | #12 of 1,707 |
| 2Essex County, NJ | 87 | 113 | 3.5 | $9.6M | +4.2% | #17 of 1,707 |
| 3Mercer County, NJ | 84 | 78 | 5.4 | $6.7M | +3.3% | #32 of 1,707 |
| 4Somerset County, NJ | 77 | 76 | 5.8 | $7.4M | +3.5% | #85 of 1,707 |
| 5Middlesex County, NJ | 75 | 157 | 5.1 | $7.4M | +2.6% | #112 of 1,707 |
| 6Burlington County, NJ | 75 | 119 | 6.7 | $5.5M | +4.3% | #123 of 1,707 |
| 7Union County, NJ | 72 | 128 | 6.3 | $6M | +5.0% | #169 of 1,707 |
| 8Camden County, NJ | 67 | 131 | 6.5 | $5.1M | +2.4% | #280 of 1,707 |
| 9Bergen County, NJ | 65 | 240 | 6.8 | $6M | +2.4% | #331 of 1,707 |
| 10Gloucester County, NJ | 64 | 78 | 6.9 | $5.2M | +3.3% | #368 of 1,707 |
Other business types in Somerset 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 trades76
- HVAC and plumbing77
- Electricians70
- Roofing and gutters89
- Lawn, cleaning and pest control55
- Landscaping and lawn care51
- House cleaning68
- Pest control78
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Somerset County, NJ?
There are 76 HVAC and plumbing companies on map listings in Somerset County as of September 2026. 2 of them (3%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 117 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, down 7.1% from 2019.
How much do households in Somerset County, NJ spend on home repairs, maintenance and insurance?
About $564.1M a year, or $4,313 per household. That is 43% above the U.S. average (an index of 143, where 100 is the U.S. average). Spread across the 76 HVAC and plumbing companies on map listings, it comes to $7.4M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies. It is estimated from the incomes of the 130,802 households in Somerset County and national spending patterns by income.
How does Somerset County, NJ compare with the U.S. for HVAC and plumbing companies?
Somerset 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 $7.4M, 56% above the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Somerset County would have about 119, against 76 on map listings. There is one business with payroll in the industry for every 1,118 households, against one for every 1,162 across the U.S. The official count fell 7.1% from 2019 to 2023, against +7.6% for the U.S.
How fast is Somerset County, NJ growing?
Population estimates put Somerset County at 356,486 people in 2025, up 3.5% since 2020, in step with the U.S. (+3.1%). It has 130,802 households. The median household income in Somerset County is $140,374 a year, 74% above the U.S. median of $80,734. That rose 23.6% from the 2015–2019 survey, 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. Somerset County scores 77 for HVAC and plumbing companies (high), #85 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Somerset 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 Somerset County
Screening a site or an acquisition in Somerset 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 Somerset 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.