St. Mary's County, Maryland Property Taxes
Property Taxes in St. Mary's County, Maryland
Median St. Mary's County effective property tax rate: 1.00%, significantly lower than the national median of 1.02%.
Median St. Mary's County home value: $332,600
Median annual St. Mary's County tax bill: $3,276, $876 lower than the national median property tax bill of $2,400.
How are property taxes in St. Mary's County calculated?
Property taxes in St. Mary's County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in St. Mary's County or another part of St. Mary's County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
St. Mary's County, Maryland Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1%
Estimate Property Tax Bill
$3,326
$3,086
How Does the St. Mary's County Property Tax Calculator Work?
Use this St. Mary's County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and the calculator applies St. Mary's County's median effective tax rate of 1.00% to generate your estimate.
Enter your property's estimated assessed value — the figure used for tax purposes, which is typically lower than market value after applicable exemptions. The calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. St. Mary's County's median tax bill is $3,276, which is $876 lower than the state median tax bill and above the national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across St. Mary's County.
Property Tax Rates Across St. Mary's County, Maryland
What Are Effective Property Tax Rates Across St. Mary's County?
Local government entities set tax rates, which vary widely across St. Mary's County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare St. Mary's County's effective property tax rate to other counties in Maryland or the U.S. median of 1.02%.
St. Mary's County's median effective rate stands at 1.00%, which is lower than the national median of 1.02%. Within St. Mary's County, the highest rate is found in BUSHWOOD at 1.13%, while GREAT MILLS has the lowest at 0.91%.
These variations reflect differences in local school district levies, special taxing districts assessments, and special district bonds — which compound the base county rate.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective St. Mary's County Tax Rate
1.00%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across St. Mary's County, Maryland
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Abell | 1.01% | 1.10% | 1.11% | 1.13% | 1.16% |
| Avenue | 0.98% | 1.08% | 1.11% | 1.13% | 1.16% |
| Bushwood | 1.03% | 1.09% | 1.13% | 1.15% | 1.19% |
| California | 0.81% | 0.90% | 0.94% | 0.98% | 1.02% |
| Callaway | 0.95% | 0.99% | 1.03% | 1.07% | 1.12% |
| Chaptico | 1.00% | 1.09% | 1.12% | 1.16% | 1.20% |
| Charlotte Hall | 0.99% | 1.06% | 1.10% | 1.12% | 1.13% |
| Clements | 0.95% | 1.03% | 1.10% | 1.12% | 1.14% |
| Coltons Point | 1.03% | 1.10% | 1.11% | 1.16% | 1.20% |
| Dameron | 0.84% | 0.91% | 0.94% | 0.99% | 1.05% |
| Drayden | 0.90% | 0.98% | 1.02% | 1.06% | 1.10% |
| Great Mills | 0.82% | 0.87% | 0.91% | 0.95% | 1.01% |
| Hollywood | 0.91% | 0.97% | 1.01% | 1.05% | 1.08% |
| Leonardtown | 0.92% | 0.98% | 1.03% | 1.08% | 1.13% |
| Lexington Park | 0.81% | 0.87% | 0.92% | 0.96% | 1.00% |
| Loveville | 0.92% | 0.98% | 1.03% | 1.06% | 1.11% |
| Mechanicsville | 0.96% | 1.02% | 1.08% | 1.10% | 1.12% |
| Morganza | 0.93% | 1.02% | 1.08% | 1.10% | 1.12% |
| Park Hall | 0.87% | 0.92% | 0.97% | 1.02% | 1.07% |
| Piney Point | 0.90% | 0.99% | 1.02% | 1.05% | 1.08% |
| Ridge | 0.82% | 0.90% | 0.94% | 0.97% | 1.03% |
| Saint Inigoes | 0.83% | 0.90% | 0.94% | 0.98% | 1.02% |
| Saint Marys City | 0.86% | 0.93% | 0.97% | 1.01% | 1.04% |
| Scotland | 0.88% | 0.93% | 0.97% | 1.00% | 1.04% |
| Tall Timbers | 0.91% | 0.95% | 1.01% | 1.05% | 1.07% |
| Valley Lee | 0.89% | 0.98% | 1.02% | 1.06% | 1.11% |
| Helen | N/A | N/A | N/A | N/A | N/A |
| Maddox | N/A | N/A | N/A | N/A | N/A |
| St Inigoes | N/A | N/A | N/A | N/A | N/A |
| St Marys City | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across St. Mary's County, Maryland
When examining property taxes in St. Mary's County, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The St. Mary's County Maryland Department of Assessments and Taxation estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In St. Mary's County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of December.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. For example, the median tax bill in St. Mary's County is $3,276, with tax bills ranging significantly across the county. Drayden has the highest median home price at $526,850.
Property Tax Assessment Values Across St. Mary's County, Maryland
Source: Ownwell
$243,700
$385,275
$526,850
Median St. Mary's County Market Value
$332,600
Median Maryland Market Value
$338,400
Median United States Market Value
$235,294
Property Tax Assessment Values Across St. Mary's County, Maryland
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Abell | $167,330 | $244,175 | $350,700 | $452,425 | $569,380 |
| Avenue | $173,300 | $242,825 | $323,800 | $454,375 | $625,500 |
| Bushwood | $132,080 | $181,750 | $243,700 | $343,000 | $492,040 |
| California | $140,000 | $231,600 | $323,200 | $407,325 | $505,600 |
| Callaway | $166,890 | $199,250 | $323,650 | $405,625 | $485,140 |
| Chaptico | $119,300 | $172,400 | $280,300 | $371,800 | $490,260 |
| Charlotte Hall | $221,390 | $265,800 | $314,550 | $367,975 | $432,570 |
| Clements | $201,920 | $274,525 | $336,500 | $423,075 | $549,000 |
| Coltons Point | $132,300 | $181,550 | $333,250 | $470,375 | $595,310 |
| Dameron | $165,500 | $292,000 | $410,200 | $581,900 | $780,700 |
| Drayden | $232,300 | $370,575 | $526,850 | $642,675 | $872,650 |
| Great Mills | $190,000 | $235,300 | $309,100 | $380,800 | $452,520 |
| Hollywood | $216,200 | $281,725 | $390,150 | $524,700 | $644,700 |
| Leonardtown | $224,300 | $299,350 | $409,900 | $521,200 | $624,720 |
| Lexington Park | $153,200 | $228,350 | $317,200 | $399,150 | $480,520 |
| Loveville | $174,400 | $238,600 | $289,150 | $446,950 | $520,550 |
| Mechanicsville | $218,010 | $261,400 | $312,500 | $395,975 | $503,500 |
| Morganza | $183,420 | $257,725 | $303,000 | $371,750 | $414,690 |
| Park Hall | $174,920 | $231,200 | $296,400 | $387,900 | $516,780 |
| Piney Point | $159,550 | $235,725 | $383,950 | $549,900 | $734,200 |
| Ridge | $196,840 | $284,100 | $418,800 | $546,950 | $714,880 |
| Saint Inigoes | $217,040 | $284,950 | $402,800 | $537,400 | $682,060 |
| Saint Marys City | $232,800 | $346,050 | $415,500 | $475,000 | $522,800 |
| Scotland | $165,170 | $230,150 | $350,550 | $461,200 | $621,300 |
| Tall Timbers | $214,590 | $294,700 | $437,300 | $628,550 | $738,770 |
| Valley Lee | $205,980 | $286,000 | $380,600 | $501,700 | $723,300 |
| Helen | N/A | N/A | N/A | N/A | N/A |
| Maddox | N/A | N/A | N/A | N/A | N/A |
| St Inigoes | N/A | N/A | N/A | N/A | N/A |
| St Marys City | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across St. Mary's County, Maryland
Property tax bills in St. Mary's County are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s market value rises, the assessed value can increase as well, which may lead to a higher tax bill. Homeowners in the county should also expect differences based on location, since tax bills can vary across communities.
The median home price in St. Mary's County is $332,600, and property tax bills reflect that value alongside local rates and exemptions that may apply. The typical tax bill ranges from $2,525 at the 25th percentile to $4,307 at the 75th percentile, with the 90th percentile reaching $5,577. Drayden has the highest median tax bill at $5,119, while Bushwood has the lowest at $2,626.
For homeowners, this means property taxes can have a meaningful impact on annual housing costs, especially when assessed values climb.
Median St. Mary's County Tax Bill
$3,276
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$2,400
Property Tax Bills Across St. Mary's County, Maryland
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Abell | $1,700 | $2,602 | $3,760 | $4,983 | $6,204 |
| Avenue | $1,931 | $2,534 | $3,495 | $4,810 | $6,499 |
| Bushwood | $1,538 | $2,041 | $2,626 | $3,729 | $5,370 |
| California | $1,541 | $2,260 | $3,091 | $3,856 | $4,692 |
| Callaway | $1,754 | $2,073 | $3,311 | $4,043 | $4,793 |
| Chaptico | $1,407 | $1,931 | $2,955 | $4,005 | $5,354 |
| Charlotte Hall | $2,434 | $2,918 | $3,365 | $3,912 | $4,634 |
| Clements | $2,061 | $2,835 | $3,523 | $4,462 | $5,591 |
| Coltons Point | $1,489 | $1,940 | $3,398 | $5,163 | $6,320 |
| Dameron | $1,931 | $2,861 | $3,838 | $5,201 | $7,448 |
| Drayden | $2,261 | $3,649 | $5,119 | $6,424 | $8,633 |
| Great Mills | $1,708 | $2,090 | $2,822 | $3,425 | $4,069 |
| Hollywood | $2,098 | $2,793 | $3,773 | $5,141 | $6,338 |
| Leonardtown | $2,227 | $2,972 | $4,103 | $5,312 | $6,417 |
| Lexington Park | $1,327 | $2,114 | $2,894 | $3,570 | $4,346 |
| Loveville | $1,766 | $2,427 | $2,894 | $4,440 | $5,148 |
| Mechanicsville | $2,254 | $2,777 | $3,290 | $4,100 | $5,188 |
| Morganza | $1,761 | $2,700 | $3,139 | $3,842 | $4,557 |
| Park Hall | $1,726 | $2,204 | $2,818 | $3,605 | $4,759 |
| Piney Point | $1,653 | $2,393 | $3,811 | $5,430 | $7,114 |
| Ridge | $1,683 | $2,527 | $3,773 | $5,006 | $6,518 |
| Saint Inigoes | $2,086 | $2,683 | $3,648 | $4,808 | $6,045 |
| Saint Marys City | $2,419 | $3,085 | $4,052 | $4,368 | $4,959 |
| Scotland | $1,611 | $2,247 | $3,296 | $4,344 | $5,790 |
| Tall Timbers | $2,108 | $2,964 | $4,320 | $6,111 | $7,063 |
| Valley Lee | $1,973 | $2,751 | $3,715 | $5,015 | $6,768 |
| Helen | N/A | N/A | N/A | N/A | N/A |
| Maddox | N/A | N/A | N/A | N/A | N/A |
| St Inigoes | N/A | N/A | N/A | N/A | N/A |
| St Marys City | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| St. Mary's Tax Assessor | |
| Website | sdat.dat.maryland.gov |