Collected and spent
In 2022, St. Mary's County spent about $538.0M. This is a Census of Governments estimate across all of its funds.
Spent
$538.0M
Fiscal year 2022 · Census of Governments estimate, all funds · spending
Where the money comes from
One tax.
Income tax
3%
Source · Office of the Comptroller of Maryland, Maryland Comptroller — 2024 Local Income Tax Rates. Read on May 23, 2026.
Details
Maryland Comptroller — 2024 Local Income Tax Rates (St. Mary's County)Where it goes
Twelve service lines.
Schools
$304.3M
Other
$61.5M
Police
$45.3M
Public works
$45.0M
General government
$25.8M
Parks and recreation
$17.9M
Corrections
$14.4M
Debt service · past obligation
$9.7M
Show all 12 linesShow fewer lines
Courts
$7.0M
Health and human services
$6.6M
Fire
$0.5M
Transit
$0.2M
Bars in both tables share one scale. Hatched lines pay for past obligations, not current services.
Source · 2022 Census of Governments - Estimated service split source. Read on October 20, 2026.
Who decides
The county board does the work of a council and of an executive. It makes the local laws and carries them out. 5 Commissioners, all elected countywide.
James R. Guy
Commissioner, at large
Next election
November 3, 2026
Eric Colvin
Commissioner, at large
Next election
November 3, 2026
Michael L. Hewitt
Commissioner, at large
Next election
November 3, 2026
Mike Alderson, Jr.
Commissioner, at large
Next election
November 3, 2026
Scott R. Ostrow
Commissioner, at large
Next election
November 3, 2026
Source · Maryland State Archives, Maryland Manual On-Line, St. Mary's County legislative branch. Read on October 10, 2026.
Details
Maryland Manual On-Line, St. Mary's County legislative branch (read 2026-10-10)When decisions happen
State law sets the tax year as July 1 to June 30. The county board must set the property tax rate for the next year before June 20.
Each yearThe county tax year runs July 1 to June 30.
November 3, 2026Election for 5 seats
How to reach it
csmc@stmaryscountymd.gov
Email
301-475-4200 (ext. 1361 for the Commissioner President)
Phone
Attn: Commissioners of St. Mary's County, P.O. Box 653, Leonardtown, MD 20650
Mailing address
Source · Maryland General Assembly, Md. Code, Tax-Property §6-302(a). Read on October 10, 2026.
Details
Md. Code, Tax-Property §6-302(a) (property tax rate set by the county governing body) and §1-101(oo) (taxable year) (read 2026-10-10)Also on this tax bill
A St. Mary's County address pays these governments too. Which cities apply depends on the address.
On every bill in St. Mary's County
MarylandState
St. Marys County Public SchoolsNot in Who Taxes Me yet
On some bills, depending on the address
Cities: 7
CaliforniaNot in Who Taxes Me yet
Lexington ParkNot in Who Taxes Me yet
MechanicsvilleNot in Who Taxes Me yet
Charlotte HallNot in Who Taxes Me yet
CallawayNot in Who Taxes Me yet
Golden BeachNot in Who Taxes Me yet
LeonardtownNot in Who Taxes Me yet
Sources
Spent
2022 Census of Governments - Estimated service split source. Read on October 20, 2026.
Taxes
Office of the Comptroller of Maryland, Maryland Comptroller — 2024 Local Income Tax Rates. Read on May 23, 2026.
Details
Maryland Comptroller — 2024 Local Income Tax Rates (St. Mary's County)Who decides
Maryland State Archives, Maryland Manual On-Line, St. Mary's County legislative branch. Read on October 10, 2026.
Details
Maryland Manual On-Line, St. Mary's County legislative branch (read 2026-10-10)When decisions happen
Maryland General Assembly, Md. Code, Tax-Property §6-302(a). Read on October 10, 2026.
Details
Md. Code, Tax-Property §6-302(a) (property tax rate set by the county governing body) and §1-101(oo) (taxable year) (read 2026-10-10)How to reach it
St. Mary's County, Commissioners of St. Mary's County page. Read on October 10, 2026.
Details
Commissioners of St. Mary's County page (read 2026-10-10)What it does
2022 Census of Governments - Estimated service split source. Read on October 13, 2026.
To act on what you have read
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