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HVAC and plumbing companies in Norfolk County, MA

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

Groundwork market score · out of 100

Score 62 out of 100: Upper middle

Ranked #417 of 1,707 scored counties
#9 of 12 scored counties in Massachusetts

Listings
209
6 chain locations (3%)
Official establishments
358
−3.2% since 2019
Household spending a year
$1.2B
On home repairs, maintenance and insurance · $4,152 a household
Spending per listing
$5.6M
18% above the U.S.
Listings per 10k households
7.4
17% above the U.S.
Population, 2025
739,749
+2.2% since 2020

See the HVAC and plumbing companies around any address in Norfolk 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 Norfolk 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

At $4,152 per household (38% above the U.S. average), households in Norfolk County spend about $1.2B a year on home repairs, maintenance and insurance. Spread across 209 HVAC and plumbing companies, that is $5.6M per company, 18% above 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 209 HVAC and plumbing companies on map listings in Norfolk County as of September 2026. Chain locations make up 3% of them, against 4% across the U.S. That comes to 7.4 for every 10,000 households, 17% above the U.S. rate of 6.3.

Official counts show 358 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Norfolk County in 2023, down 3.2% from 2019. That is one for every 792 households, against one for every 1,162 across the U.S. Since fiscal 2022, 24 SBA-backed loans worth $5.4M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Norfolk County.

Population estimates show Norfolk County grew 2.2% from 2020 to 2025, slower than the U.S. (+3.1%). Norfolk County scores 62 (upper middle) on the Groundwork market score for HVAC and plumbing companies, ranking #417 of 1,707 scored counties and #9 of 12 scored counties in Massachusetts. That puts it in the top quarter of counties.

How Norfolk County compares

The same measures for Massachusetts 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 Norfolk County, MA compared with Massachusetts and the U.S.
MeasureNorfolk CountyMassachusettsU.S.
Listings per 10k households7.46.26.3
Spending per listing$5.6M$5.9M$4.8M
Households per official establishment7929071,162
Official establishment growth, 2019–2023−3.2%+3.7%+7.6%
Population growth, 2020–2025+2.2%+2.4%+3.1%
Spending per household on home repairs, maintenance and insurance$4,152$3,680$3,018
Median household income$130,739$103,960$80,734
Groundwork market score6262

Official counts and lending

Businesses

Official establishments, 2019 to 2023
370 → 358−3.2% over the period
Employees, 2023
4,369
Annual payroll, 2023
$460.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
2096 chain locations
Listings at the U.S. rate for this spending
247The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
24
Amount
$5.4M

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

Population, 2025 estimate
739,749+2.2% since 2020
Households
283,368
Median age
41.8
Homes lived in by their owners
69%
Vehicles per household
1.6
Land area
396 sq. mi.
People per square mile
1,843
Median household income
$130,739+26.6% vs. 2015–2019, before inflation
Average household income
$183,022
Median home value
$683,900
Jobs located here
369,055
Daytime population
712,907Residents who don’t work, plus everyone whose job is here

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

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HVAC and plumbing across Massachusetts

Every Massachusetts market ranked →

The highest-scoring counties in Massachusetts for HVAC and plumbing companies, numbered among those based in Massachusetts, with Norfolk County marked.

Top counties in Massachusetts

Counties in Massachusetts ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Suffolk County, MA84802.4$14.4M+0.1%#26 of 1,707
2Hampshire County, MA80264.2$7.9M+10.4%#59 of 1,707
3Hampden County, MA73764.1$7.2M+0.2%#145 of 1,707
4Worcester County, MA711945.8$6M+3.7%#189 of 1,707
5Franklin County, MA67154.8$6.3M−0.3%#276 of 1,707
6Bristol County, MA651235.3$6.2M+2.9%#329 of 1,707
7Essex County, MA652066.6$5.5M+2.3%#340 of 1,707
8Middlesex County, MA644707.4$5.6M+2.8%#362 of 1,707
9Norfolk County, MA622097.4$5.6M+2.2%#417 of 1,707
10Berkshire County, MA54315.4$5.8M−1.2%#694 of 1,707

Other business types in Norfolk County

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

Questions

How many HVAC and plumbing companies are in Norfolk County, MA?

As of September 2026, map listings count 209 HVAC and plumbing companies in Norfolk County. 6 of them (3%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 358 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, down 3.2% from 2019.

How much do households in Norfolk County, MA spend on home repairs, maintenance and insurance?

About $1.2B a year, or $4,152 per household. That is 38% above the U.S. average (an index of 138, where 100 is the U.S. average). Spread across the 209 HVAC and plumbing companies on map listings, it comes to $5.6M 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 283,368 households in Norfolk County and national spending patterns by income.

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

Norfolk County has 7.4 HVAC and plumbing companies per 10,000 households, 17% above the U.S. rate of 6.3. Spending per company is $5.6M, 18% above the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Norfolk County would have about 247, against 209 on map listings. There is one business with payroll in the industry for every 792 households, against one for every 1,162 across the U.S. The official count fell 3.2% from 2019 to 2023, against +7.6% for the U.S.

How fast is Norfolk County, MA growing?

Population estimates put Norfolk County at 739,749 people in 2025, up 2.2% since 2020, slower than the U.S. (+3.1%). It has 283,368 households. Median household income in Norfolk County is $130,739, 62% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 26.6%, 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. Norfolk County scores 62 for HVAC and plumbing companies (upper middle), #417 of 1,707 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Norfolk 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 Norfolk 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.