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HVAC and plumbing companies in Warren County, NJ

Competitor counts, household spending and official business counts for HVAC and plumbing companies in Warren County, NJ, set against other counties and the U.S.

Groundwork market score · out of 100

Score 61 out of 100: Upper middle

Ranked #468 of 1,707 scored counties
#13 of 21 scored counties in New Jersey

Listings
34
0 chain locations (0%)
Official establishments
46
−14.8% since 2019
Household spending a year
$155.4M
On home repairs, maintenance and insurance · $3,423 a household
Spending per listing
$4.6M
4% below the U.S.
Listings per 10k households
7.5
19% above the U.S.
Population, 2025
112,953
+3.2% since 2020

See the HVAC and plumbing companies around any address in Warren 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 Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey 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 Warren County comes to about $155.4M a year: $3,423 per household, 13% above the U.S. average. That is about $4.6M of household spending for each company on map listings, 4% 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 34 HVAC and plumbing companies on map listings in Warren County as of September 2026. None of them are chain locations, against 4% across the U.S. That is 7.5 per 10,000 households, 19% above the U.S. rate of 6.3.

In 2023, official counts showed 46 businesses with payroll in Warren County classed as plumbing, heating and air-conditioning contractors, down 14.8% from 2019. That is one for every 987 households, against one for every 1,162 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $19K has gone to businesses classed as plumbing, heating and air-conditioning contractors in Warren County.

Population estimates show Warren County grew 3.2% from 2020 to 2025, in step with the U.S. (+3.1%). Warren County scores 61 (upper middle) on the Groundwork market score for HVAC and plumbing companies, ranking #468 of 1,707 scored counties and #13 of 21 scored counties in New Jersey.

How Warren 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.

HVAC and plumbing in Warren County, NJ compared with New Jersey and the U.S.
MeasureWarren CountyNew JerseyU.S.
Listings per 10k households7.56.26.3
Spending per listing$4.6M$6M$4.8M
Households per official establishment9871,0161,162
Official establishment growth, 2019–2023−14.8%−0.6%+7.6%
Population growth, 2020–2025+3.2%+3.0%+3.1%
Spending per household on home repairs, maintenance and insurance$3,423$3,682$3,018
Median household income$100,869$103,556$80,734
Groundwork market score6168

Official counts and lending

Businesses

Official establishments, 2019 to 2023
54 → 46−14.8% over the period
Employees, 2023
188
Annual payroll, 2023
$12.3M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
340 chain locations
Listings at the U.S. rate for this spending
33The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$19K

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Warren 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 Warren County

Population, 2025 estimate
112,953+3.2% since 2020
Households
45,391
Median age
44.5
Homes lived in by their owners
75%
Vehicles per household
1.9
Land area
357 sq. mi.
People per square mile
311
Median household income
$100,869+24.1% vs. 2015–2019, before inflation
Average household income
$118,920
Median home value
$346,500
Jobs located here
30,808
Daytime population
86,522Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Warren 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 Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC 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 Warren County marked.

Top counties in New Jersey

Counties in New Jersey ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Hudson County, NJ88592.0$18M+1.8%#12 of 1,707
2Essex County, NJ871133.5$9.6M+4.2%#17 of 1,707
3Mercer County, NJ84785.4$6.7M+3.3%#32 of 1,707
4Somerset County, NJ77765.8$7.4M+3.5%#85 of 1,707
5Middlesex County, NJ751575.1$7.4M+2.6%#112 of 1,707
6Burlington County, NJ751196.7$5.5M+4.3%#123 of 1,707
7Union County, NJ721286.3$6M+5.0%#169 of 1,707
8Camden County, NJ671316.5$5.1M+2.4%#280 of 1,707
9Bergen County, NJ652406.8$6M+2.4%#331 of 1,707
10Gloucester County, NJ64786.9$5.2M+3.3%#368 of 1,707
13Warren County, NJ61347.5$4.6M+3.2%#468 of 1,707

Other business types in Warren County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many HVAC and plumbing companies are in Warren County, NJ?

As of September 2026, map listings count 34 HVAC and plumbing companies in Warren County. None of them are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 46 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, down 14.8% from 2019.

How much do households in Warren County, NJ spend on home repairs, maintenance and insurance?

About $155.4M a year, or $3,423 per household. That is 13% above the U.S. average (an index of 113, where 100 is the U.S. average). Spread across the 34 HVAC and plumbing companies on map listings, it comes to $4.6M 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 45,391 households in Warren County and national spending patterns by income.

How does Warren County, NJ compare with the U.S. for HVAC and plumbing companies?

Warren County has 7.5 HVAC and plumbing companies per 10,000 households, 19% above the U.S. rate of 6.3. Spending per company is $4.6M, 4% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Warren County would have about 33, against 34 on map listings. There is one business with payroll in the industry for every 987 households, against one for every 1,162 across the U.S. The official count fell 14.8% from 2019 to 2023, against +7.6% for the U.S.

How fast is Warren County, NJ growing?

Population estimates put Warren County at 112,953 people in 2025, up 3.2% since 2020, in step with the U.S. (+3.1%). It has 45,391 households. Median household income in Warren County is $100,869, 25% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.1%, 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. Warren County scores 61 for HVAC and plumbing companies (upper middle), #468 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Warren 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 Warren County

Screening a site or an acquisition in Warren 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 Warren 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.