Real estate · County · Maryland
Property management companies in St. Mary’s County, MD
How St. Mary’s County, MD compares with other counties and the U.S. for property management companies: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 75 out of 100: High
Ranked #77 of 910 scored counties
#4 of 20 scored counties in Maryland
- Listings
- 6
- 0 chain locations (0%)
- Official establishments
- 16
- 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)
- 234
- 2.3 times the U.S.
- Listings per 10k households
- 1.4
- 53% below the U.S.
- Population, 2025
- 116,692
- +2.4% since 2020
See the property management companies around any address in St. Mary’s County
The site report maps the property management 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.
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
The Groundwork market score for property management companies in St. Mary’s County is 75 (high), #77 of 910 scored counties and #4 of 20 scored counties in Maryland. That puts it in the top 10% of counties for property management companies.
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 company is 2.3 times the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money property management companies take in.
St. Mary’s County has 6 property management companies on map listings as of September 2026. None of them are chain locations, against 4% across the U.S. Per 10,000 households, that is 1.4, 53% below the U.S. rate of 3.0.
Official counts show 16 businesses with payroll classed as residential and commercial property managers in St. Mary’s County in 2023. That is one for every 2,652 households, against one for every 1,638 across the U.S. Population estimates show St. Mary’s County grew 2.4% from 2020 to 2025, slower than the U.S. (+3.1%).
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 | 1.4 | 3.4 | 3.0 |
| Housing spending per listing (U.S. = 100) | 234 | 92 | 100 |
| Households per official establishment | 2,652 | 1,536 | 1,638 |
| Official establishment growth, 2019–2023 | n/a | +7.5% | +11.4% |
| 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 | 75 | 35 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 15 → 16
- Employees, 2023
- 56
- Annual payroll, 2023
- $3.9M
- 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
- 14The 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 residential and commercial property managers 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 property management 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.
Free10 actions over 3 days, no cardProperty management across Maryland
Every Maryland market ranked →The highest-scoring counties in Maryland for property management companies, 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 |
|---|---|---|---|---|---|---|
| 1Queen Anne’s County, MD | 80 | 5 | 2.5 | 129 | +8.8% | #34 of 910 |
| 2Calvert County, MD | 78 | 5 | 1.5 | 232 | +1.7% | #44 of 910 |
| 3Charles County, MD | 77 | 15 | 2.5 | 135 | +5.9% | #59 of 910 |
| 4St. Mary’s County, MD | 75 | 6 | 1.4 | 234 | +2.4% | #77 of 910 |
| 5Frederick County, MD | 71 | 32 | 3.1 | 110 | +11.0% | #137 of 910 |
| 6Carroll County, MD | 70 | 15 | 2.3 | 142 | +2.2% | #144 of 910 |
| 7Harford County, MD | 64 | 23 | 2.3 | 141 | +2.0% | #219 of 910 |
| 8Cecil County, MD | 61 | 8 | 2.0 | 148 | +3.2% | #272 of 910 |
| 9Prince George’s County, MD | 53 | 88 | 2.5 | 122 | +0.5% | #389 of 910 |
| 10Anne Arundel County, MD | 53 | 79 | 3.5 | 96 | +1.7% | #392 of 910 |
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 property management companies are in St. Mary’s County, MD?
Map listings as of September 2026 show 6 property management companies in St. Mary’s County. None of them are chain locations. The listings count property management companies. Official counts show 16 businesses with payroll classed as residential and commercial property managers 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 6 property management companies on map listings, housing spending per company is 2.3 times the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money property management companies 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 property management companies?
St. Mary’s County has 1.4 property management companies per 10,000 households, 53% below the U.S. rate of 3.0. The index of housing spending per company is 234, where 100 is the U.S. At the U.S. ratio of property management companies to household spending, St. Mary’s County would have about 14, against 6 on map listings. There is one business with payroll in the industry for every 2,652 households, against one for every 1,638 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 scores 75 for property management companies (high), #77 of 910 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 property management 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 property management 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.