Real estate · County · Maryland
Home inspectors in St. Mary’s County, MD
How St. Mary’s County, MD compares with other counties and the U.S. for home inspectors: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 3.
- Listings
- 3
- 1 chain location (33%)
- Official establishments
- 5
- Businesses with payroll, 2023
- Household spending a year
- $779.4M
- On rent and homeowner costs · $18,366 a household
- Housing spending per listing (U.S. = 100)
- 99
- In line with the U.S.
- Listings per 10k households
- 0.7
- 17% above the U.S.
- Population, 2025
- 116,692
- +2.4% since 2020
See the home inspectors around any address in St. Mary’s 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 St. Mary’s County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey 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 3 home inspectors in St. Mary’s County. That is 0.7 per 10,000 households, 17% above the U.S. rate of 0.6.
At $18,366 per household (10% above the U.S. average), households in St. Mary’s County spend about $779.4M a year on rent and homeowner costs. Housing spending per business is in line with 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.
Official counts show 5 businesses with payroll classed as building inspection services in St. Mary’s County in 2023. That is one for every 8,487 households, against one for every 17,237 across the U.S.
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%). With 3 home inspectors on map listings, St. Mary’s County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How St. Mary’s County compares
The same measures for Maryland 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.
| Measure | St. Mary’s County | Maryland | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.7 | 0.6 | 0.6 |
| Housing spending per listing (U.S. = 100) | 99 | 109 | 100 |
| Households per official establishment | 8,487 | 17,374 | 17,237 |
| Official establishment growth, 2019–2023 | n/a | −10.5% | +6.5% |
| Population growth, 2020–2025 | +2.4% | +1.4% | +3.1% |
| Spending per household on rent and homeowner costs | $18,366 | $17,488 | $16,661 |
| Median household income | $119,446 | $103,678 | $80,734 |
| Groundwork market score | Not scored | 48 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 5
- Employees, 2023
- 32
- Annual payroll, 2023
- $1.5M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 31 chain location
- 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 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 inspectors 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.
Free10 actions over 3 days, no cardHome inspectors across Maryland
Every Maryland market ranked →The highest-scoring counties in Maryland for home inspectors, numbered among those based in Maryland, with St. Mary’s County marked.
Top counties in Maryland
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Prince George’s County, MD | 75 | 7 | 0.2 | 325 | +0.5% | #27 of 415 |
| 2Howard County, MD | 69 | 5 | 0.4 | 187 | +1.9% | #62 of 415 |
| 3Montgomery County, MD | 69 | 23 | 0.6 | 125 | +1.3% | #67 of 415 |
| 4Anne Arundel County, MD | 68 | 5 | 0.2 | 322 | +1.7% | #68 of 415 |
| 5Frederick County, MD | 57 | 11 | 1.1 | 68 | +11.0% | #142 of 415 |
| 6Harford County, MD | 56 | 6 | 0.6 | 115 | +2.0% | #147 of 415 |
| 7Baltimore city, MD | 47 | 17 | 0.7 | 82 | −2.3% | #218 of 415 |
| 8Baltimore County, MD | 46 | 26 | 0.8 | 81 | −0.7% | #229 of 415 |
| 9Carroll County, MD | 33 | 9 | 1.4 | 50 | +2.2% | #338 of 415 |
| 10Calvert County, MD | 32 | 5 | 1.5 | 49 | +1.7% | #345 of 415 |
| St. Mary’s County, MD | Not scored | 3 | 0.7 | 99 | +2.4% |
Other business types in St. Mary’s County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
- Real estate53
- Real estate agents and brokers54
- Property management75
- Mortgage brokers and lenders73
- Home inspectors
Funeral services
Questions
How many home inspectors are in St. Mary’s County, MD?
There are 3 home inspectors on map listings in St. Mary’s County as of September 2026. The listings count home inspectors. Official counts show 5 businesses with payroll classed as building inspection services in 2023.
How much do households in St. Mary’s County, MD spend on rent and homeowner costs?
About $779.4M a year, or $18,366 per household. That is 10% above the U.S. average (an index of 110, where 100 is the U.S. average). For the 3 home inspectors on map listings, housing spending per business is in line with 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 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 inspectors?
St. Mary’s County has 0.7 home inspectors per 10,000 households, 17% above the U.S. rate of 0.6. The index of housing spending per business is 99, where 100 is the U.S. The count on map listings matches the U.S. ratio of home inspectors to household spending. There is one business with payroll in the industry for every 8,487 households, against one for every 17,237 across 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 has no market score for home inspectors: the score needs at least 5 on map listings, and it has 3.
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 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 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.