Groundwork

Home services · County · Maryland

HVAC and plumbing companies in Baltimore city, MD

How Baltimore city, MD compares with other counties and the U.S. for HVAC and plumbing companies: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 70 out of 100: Upper middle

Ranked #199 of 1,707 scored counties
#5 of 23 scored counties in Maryland

Listings
80
2 chain locations (3%)
Official establishments
82
+2.5% since 2019
Household spending a year
$689.5M
On home repairs, maintenance and insurance · $2,697 a household
Spending per listing
$8.6M
81% above the U.S.
Listings per 10k households
3.1
51% below the U.S.
Population, 2025
569,997
−2.3% since 2020

See the HVAC and plumbing companies around any address in Baltimore city

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 Baltimore city. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

At $2,697 per household (11% below the U.S. average), households in Baltimore city spend about $689.5M a year on home repairs, maintenance and insurance. Spread across 80 HVAC and plumbing companies, that is $8.6M per company, 81% above the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

Baltimore city has 80 HVAC and plumbing companies on map listings as of September 2026. Of those, 2 are chain locations, or 3%, against 4% across the U.S. That is 3.1 per 10,000 households, 51% below the U.S. rate of 6.3.

In 2023, official counts showed 82 businesses with payroll in Baltimore city classed as plumbing, heating and air-conditioning contractors, up 2.5% from 2019. That is one for every 3,118 households, against one for every 1,162 across the U.S. Since fiscal 2022, 2 SBA-backed loans worth $198K have gone to businesses classed as plumbing, heating and air-conditioning contractors in Baltimore city.

Population estimates put the population change in Baltimore city from 2020 to 2025 at −2.3%, against +3.1% for the U.S. The Groundwork market score for HVAC and plumbing companies in Baltimore city is 70 (upper middle), #199 of 1,707 scored counties and #5 of 23 scored counties in Maryland. That puts it in the top quarter of counties.

How Baltimore city compares

The same measures for Maryland 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 Baltimore city, MD compared with Maryland and the U.S.
MeasureBaltimore cityMarylandU.S.
Listings per 10k households3.16.36.3
Spending per listing$8.6M$5.5M$4.8M
Households per official establishment3,1181,1901,162
Official establishment growth, 2019–2023+2.5%−4.8%+7.6%
Population growth, 2020–2025−2.3%+1.4%+3.1%
Spending per household on home repairs, maintenance and insurance$2,697$3,443$3,018
Median household income$62,177$103,678$80,734
Groundwork market score7065

Official counts and lending

Businesses

Official establishments, 2019 to 2023
80 → 82+2.5% over the period
Employees, 2023
1,260
Annual payroll, 2023
$87.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
802 chain locations
Listings at the U.S. rate for this spending
145The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$198K

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

Population, 2025 estimate
569,997−2.3% since 2020
Households
255,668
Median age
37.5
Homes lived in by their owners
48%
Vehicles per household
1.1
Land area
81 sq. mi.
People per square mile
7,082
Median household income
$62,177+23.4% vs. 2015–2019, before inflation
Average household income
$89,312
Median home value
$229,600
Jobs located here
344,611
Daytime population
667,322Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Baltimore city?

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 Baltimore city. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

HVAC and plumbing across Maryland

Every Maryland market ranked →

The highest-scoring counties in Maryland for HVAC and plumbing companies, numbered among those based in Maryland, with Baltimore city marked.

Top counties in Maryland

Counties in Maryland ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Montgomery County, MD812085.3$7.4M+1.3%#51 of 1,707
2Prince George’s County, MD761684.8$6.9M+0.5%#97 of 1,707
3Howard County, MD73685.6$7.4M+1.9%#143 of 1,707
4Cecil County, MD72235.7$5.5M+3.2%#170 of 1,707
5Baltimore city, MD70803.1$8.6M−2.3%#199 of 1,707
6Charles County, MD66447.2$5.1M+5.9%#307 of 1,707
7Baltimore County, MD631996.0$5.4M−0.7%#393 of 1,707
8Frederick County, MD63898.5$4.4M+11.0%#403 of 1,707
9Washington County, MD62366.0$4.8M+2.0%#433 of 1,707
10Anne Arundel County, MD601667.4$5.1M+1.7%#495 of 1,707

Other business types in Baltimore city

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

Questions

How many HVAC and plumbing companies are in Baltimore city, MD?

Map listings as of September 2026 show 80 HVAC and plumbing companies in Baltimore city. 2 of them (3%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 82 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 2.5% from 2019.

How much do households in Baltimore city, MD spend on home repairs, maintenance and insurance?

About $689.5M a year, or $2,697 per household. That is 11% below the U.S. average (an index of 89, where 100 is the U.S. average). Spread across the 80 HVAC and plumbing companies on map listings, it comes to $8.6M 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 255,668 households in Baltimore city and national spending patterns by income.

How does Baltimore city, MD compare with the U.S. for HVAC and plumbing companies?

Baltimore city has 3.1 HVAC and plumbing companies per 10,000 households, 51% below the U.S. rate of 6.3. Spending per company is $8.6M, 81% above the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Baltimore city would have about 145, against 80 on map listings. There is one business with payroll in the industry for every 3,118 households, against one for every 1,162 across the U.S. The official count rose 2.5% from 2019 to 2023, against +7.6% for the U.S.

How fast is Baltimore city, MD growing?

Population estimates put Baltimore city at 569,997 people in 2025, down 2.3% since 2020, against +3.1% for the U.S. It has 255,668 households. Median household income in Baltimore city is $62,177, 23% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 23.4%, 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. Baltimore city scores 70 for HVAC and plumbing companies (upper middle), #199 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Baltimore city. 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 Baltimore city

Screening a site or an acquisition in Baltimore city?

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 Baltimore city. 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.