Groundwork

Real estate · County · New Jersey

Home inspectors in Warren County, NJ

How Warren County, NJ compares with other counties and the U.S. for home inspectors: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 49 out of 100: Lower middle

Ranked #209 of 415 scored counties
#15 of 17 scored counties in New Jersey

Listings
6
0 chain locations (0%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$881.3M
On rent and homeowner costs · $19,416 a household
Housing spending per listing (U.S. = 100)
56
44% below the U.S.
Listings per 10k households
1.3
2.2 times the U.S.
Population, 2025
112,953
+3.2% since 2020

See the home inspectors around any address in Warren County

The site report maps the home inspectors 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

As of September 2026, map listings count 6 home inspectors in Warren County. None of them are chain locations, against 3% across the U.S. That comes to 1.3 for every 10,000 households, 2.2 times the U.S. rate of 0.6.

Households in Warren County spend about $881.3M a year on rent and homeowner costs, or $19,416 per household, 17% above the U.S. average. Housing spending per business is 44% below the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money home inspectors take in.

There is no official count of businesses with payroll classed as building inspection services in Warren County: counts under 3 aren’t published.

Population estimates put the population change in Warren County from 2020 to 2025 at +3.2%, in step with the U.S. (+3.1%). The Groundwork market score for home inspectors in Warren County is 49 (lower middle), #209 of 415 scored counties and #15 of 17 scored counties in New Jersey.

How Warren County compares

The same measures for New Jersey and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.

Home inspectors in Warren County, NJ compared with New Jersey and the U.S.
MeasureWarren CountyNew JerseyU.S.
Listings per 10k households1.30.70.6
Housing spending per listing (U.S. = 100)56113100
Households per official establishmentn/a22,63017,237
Official establishment growth, 2019–2023n/a+1.3%+6.5%
Population growth, 2020–2025+3.2%+3.0%+3.1%
Spending per household on rent and homeowner costs$19,416$20,430$16,661
Median household income$100,869$103,556$80,734
Groundwork market score4971

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
60 chain locations
Listings at the U.S. rate for this spending
3The 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 building inspection services 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 home inspectors 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.

Free10 actions over 3 days, no card

Home inspectors across New Jersey

Every New Jersey market ranked →

The highest-scoring counties in New Jersey for home inspectors, numbered among those based in New Jersey, with Warren County marked.

Top counties in New Jersey

Counties in New Jersey ranked for home inspectors by Groundwork market score
MarketScoreListingsPer 10k householdsHousing spending per listing (U.S. = 100)Population growthU.S. rank
1Union County, NJ85100.5160+5.0%#2 of 415
2Hudson County, NJ8390.3251+1.8%#3 of 415
3Morris County, NJ81140.7121+3.2%#10 of 415
4Mercer County, NJ7980.6139+3.3%#14 of 415
5Essex County, NJ79200.6116+4.2%#15 of 415
6Camden County, NJ7860.3242+2.4%#16 of 415
7Middlesex County, NJ76220.7111+2.6%#26 of 415
8Gloucester County, NJ7180.7108+3.3%#51 of 415
9Passaic County, NJ68150.886+1.6%#73 of 415
10Atlantic County, NJ6760.5125+1.6%#75 of 415
15Warren County, NJ4961.356+3.2%#209 of 415

Other business types in Warren County

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

Questions

How many home inspectors are in Warren County, NJ?

Warren County has 6 home inspectors on map listings as of September 2026. None of them are chain locations. The listings count home inspectors. No official count is published for building inspection services in Warren County: counts under 3 are left out.

How much do households in Warren County, NJ spend on rent and homeowner costs?

About $881.3M a year, or $19,416 per household. That is 17% above the U.S. average (an index of 117, where 100 is the U.S. average). For the 6 home inspectors on map listings, housing spending per business is 44% below the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money home inspectors take in. 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 home inspectors?

Warren County has 1.3 home inspectors per 10,000 households, 2.2 times the U.S. rate of 0.6. The index of housing spending per business is 56, where 100 is the U.S. At the national ratio of home inspectors to household spending, Warren County would have about 3, against 6 on map listings.

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 49 for home inspectors (lower middle), #209 of 415 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 home inspectors 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 home inspectors · 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.