Groundwork

Home services · County · Maryland

Home repair companies in St. Mary’s County, MD

Competitor counts, household spending and official business counts for home repair companies in St. Mary’s County, MD, set against other counties and the U.S.

Groundwork market score · out of 100

Score 51 out of 100: Upper middle

Ranked #994 of 2,057 scored counties
#14 of 24 scored counties in Maryland

Listings
77
2 chain locations (3%)
Official establishments
85
−6.6% since 2019
Household spending a year
$154.4M
On home repairs, maintenance and insurance · $3,639 a household
Spending per listing
$2M
17% below the U.S.
Listings per 10k households
18.1
46% above the U.S.
Population, 2025
116,692
+2.4% since 2020

See the home repair companies around any address in St. Mary’s County

The site report maps the home repair 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 St. Mary’s 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

Map listings as of September 2026 show 77 home repair companies in St. Mary’s County. Chain locations make up 3% of them, against 4% across the U.S. Per 10,000 households, that is 18.1, 46% above the U.S. rate of 12.4.

At $3,639 per household (21% above the U.S. average), households in St. Mary’s County spend about $154.4M a year on home repairs, maintenance and insurance. That works out to $2M per company, 17% below the U.S. figure of $2.4M.

The official count of businesses with payroll classed as plumbing, HVAC, electrical and roofing contractors in St. Mary’s County was 85 in 2023, down 6.6% from 2019. That is one for every 499 households, against one for every 587 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $1.6M have gone to businesses classed as plumbing, HVAC, electrical and roofing contractors in St. Mary’s County.

Population estimates put the population change in St. Mary’s County from 2020 to 2025 at +2.4%, slower than the U.S. (+3.1%). The Groundwork market score for home repair companies in St. Mary’s County is 51 (upper middle), #994 of 2,057 scored counties and #14 of 24 scored counties in Maryland.

How St. Mary’s County 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 home repair 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.

Home repair trades in St. Mary’s County, MD compared with Maryland and the U.S.
MeasureSt. Mary’s CountyMarylandU.S.
Listings per 10k households18.112.212.4
Spending per listing$2M$2.8M$2.4M
Households per official establishment499627587
Official establishment growth, 2019–2023−6.6%−3.6%+9.6%
Population growth, 2020–2025+2.4%+1.4%+3.1%
Spending per household on home repairs, maintenance and insurance$3,639$3,443$3,018
Median household income$119,446$103,678$80,734
Groundwork market score5166

Official counts and lending

Businesses

Official establishments, 2019 to 2023
91 → 85−6.6% over the period
Employees, 2023
906
Annual payroll, 2023
$65.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
772 chain locations
Listings at the U.S. rate for this spending
64The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
3
Amount
$1.6M

SBA-backed loans to businesses classed as plumbing, HVAC, electrical and roofing contractors in St. Mary’s 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 St. Mary’s County

Population, 2025 estimate
116,692+2.4% since 2020
Households
42,436
Median age
38.0
Homes lived in by their owners
73%
Vehicles per household
2.1
Land area
359 sq. mi.
People per square mile
321
Median household income
$119,446+33.0% vs. 2015–2019, before inflation
Average household income
$142,976
Median home value
$407,600
Jobs located here
35,732
Daytime population
104,060Residents who don’t work, plus everyone whose job is here

Looking at a specific site in St. Mary’s 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 repair companies on map listings by name and distance.

Or open the report at the center of St. Mary’s County. Signed out, you see a blurred preview; on an account, each report is one action.

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Home repair trades across Maryland

Every Maryland market ranked →

The highest-scoring counties in Maryland for home repair companies, numbered among those based in Maryland, with St. Mary’s County marked.

Top counties in Maryland

Counties in Maryland ranked for home repair companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Montgomery County, MD7940510.4$3.8M+1.3%#54 of 2,057
2Cecil County, MD78399.6$3.3M+3.2%#69 of 2,057
3Prince George’s County, MD743329.5$3.5M+0.5%#119 of 2,057
4Howard County, MD7114612.1$3.4M+1.9%#180 of 2,057
5Baltimore city, MD701626.3$4.3M−2.3%#204 of 2,057
6Charles County, MD688313.6$2.7M+5.9%#275 of 2,057
7Garrett County, MD64108.0$3.5M−1.5%#389 of 2,057
8Baltimore County, MD6437511.3$2.9M−0.7%#403 of 2,057
9Anne Arundel County, MD5933014.7$2.6M+1.7%#626 of 2,057
10Frederick County, MD5818717.9$2.1M+11.0%#677 of 2,057
14St. Mary’s County, MD517718.1$2M+2.4%#994 of 2,057

Other business types in St. Mary’s County

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

Questions

How many home repair companies are in St. Mary’s County, MD?

There are 77 home repair companies on map listings in St. Mary’s County as of September 2026. 2 of them (3%) are chain locations. The listings count HVAC, plumbing, electrical, roofing and gutter companies. Official counts show 85 businesses with payroll classed as plumbing, HVAC, electrical and roofing contractors in 2023, down 6.6% from 2019.

How much do households in St. Mary’s County, MD spend on home repairs, maintenance and insurance?

About $154.4M a year, or $3,639 per household. That is 21% above the U.S. average (an index of 121, where 100 is the U.S. average). Spread across the 77 home repair companies on map listings, it comes to $2M per company. It is estimated from the incomes of the 42,436 households in St. Mary’s County and national spending patterns by income.

How does St. Mary’s County, MD compare with the U.S. for home repair companies?

St. Mary’s County has 18.1 home repair companies per 10,000 households, 46% above the U.S. rate of 12.4. Spending per company is $2M, 17% below the U.S. figure of $2.4M. At the national ratio of home repair companies to household spending, St. Mary’s County would have about 64, against 77 on map listings. There is one business with payroll in the industry for every 499 households, against one for every 587 across the U.S. The official count fell 6.6% from 2019 to 2023, against +9.6% for the U.S.

How fast is St. Mary’s County, MD growing?

Population estimates put St. Mary’s County at 116,692 people in 2025, up 2.4% since 2020, slower than the U.S. (+3.1%). It has 42,436 households. Median household income in St. Mary’s County is $119,446, 48% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.0%, 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. St. Mary’s County scores 51 for home repair companies (upper middle), #994 of 2,057 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in St. Mary’s County. It maps the home repair 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 home repair companies · All 56 business types in St. Mary’s County

Screening a site or an acquisition in St. Mary’s 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 St. Mary’s 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.