Montgomery County, Maryland Property Taxes
Median Montgomery County effective property tax rate: 1.11%, significantly higher than the national median of 1.02%.
Median Montgomery County home value: $471,000
Median annual Montgomery County tax bill: $5,416, $3,016 higher than the national median property tax bill of $2,400.
How are property taxes in Montgomery County calculated?
Property taxes in Montgomery 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 Rockville or another part of Montgomery County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Montgomery County, Maryland Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.11%
Estimate Property Tax Bill
$5,228
$4,852
Property Tax Rates Across Montgomery County, Maryland
Local government entities set property tax rates, which can differ significantly within a state. Annually, each county calculates its required budget to provide essential services and divides that by the total value of all taxable property within its jurisdiction. This calculation determines the property tax rate. While votes and laws are involved in setting tax rates and budgets, this is essentially the annual process.
In Montgomery County, Maryland, the effective property tax rate is 1.11%, which is above the national median of 1.02%. This means homeowners in Montgomery County may pay a higher percentage of their property's assessed value in taxes compared to the average U.S. homeowner. Within the county, Takoma Park has the highest median tax rate at 1.53%, while Olney offers some relief with the lowest median rate at 1.00%. These figures illustrate the variation in property tax rates within Montgomery County itself.
Comparing Montgomery County's rate to the national median highlights the importance of understanding local property tax dynamics. Homeowners should be aware of these differences, as they can significantly impact annual tax bills and overall housing costs.
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 Montgomery County Tax Rate
1.11%
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
1.06%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Montgomery County, Maryland
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Adelphi | N/A | N/A | N/A | N/A | N/A |
Ashton | 1.03% | 1.11% | 1.15% | 1.25% | 1.36% |
Barnesville | 0.81% | 0.95% | 1.07% | 1.14% | 1.32% |
Beallsville | 0.91% | 1.06% | 1.12% | 1.18% | 1.36% |
Beltsville | 0.44% | 0.89% | 1.07% | 1.07% | 1.51% |
Bethesda | 0.85% | 0.99% | 1.09% | 1.15% | 1.22% |
Boyds | 1.00% | 1.06% | 1.16% | 1.21% | 1.36% |
Brinklow | 0.98% | 1.13% | 1.16% | 1.16% | 1.32% |
Brookeville | 0.92% | 0.98% | 1.11% | 1.16% | 1.29% |
Burtonsville | 0.93% | 1.03% | 1.10% | 1.28% | 1.48% |
Cabin John | 0.97% | 1.03% | 1.09% | 1.14% | 1.19% |
Chevy Chase | 0.87% | 0.97% | 1.06% | 1.14% | 1.20% |
Clarksburg | 0.89% | 1.03% | 1.06% | 1.17% | 1.30% |
Colesville | N/A | N/A | N/A | N/A | N/A |
Damascus | 0.86% | 1.01% | 1.06% | 1.24% | 1.40% |
Darnestown | N/A | N/A | N/A | N/A | N/A |
Derwood | 0.93% | 1.05% | 1.11% | 1.20% | 1.38% |
Dickerson | 0.92% | 1.08% | 1.12% | 1.25% | 1.39% |
Gaithersburg | 1.00% | 1.08% | 1.18% | 1.34% | 1.50% |
Garrett Park | 1.22% | 1.33% | 1.34% | 1.35% | 1.45% |
Germantown | 0.80% | 1.00% | 1.07% | 1.26% | 1.43% |
Glen Echo | 1.01% | 1.07% | 1.10% | 1.13% | 1.21% |
Highland | 1.10% | 1.14% | 1.16% | 1.16% | 1.41% |
Kensington | 0.97% | 1.09% | 1.14% | 1.20% | 1.33% |
Laurel | 0.97% | 1.10% | 1.12% | 1.16% | 1.35% |
Laytonsville | N/A | N/A | N/A | N/A | N/A |
Monrovia | N/A | N/A | N/A | N/A | N/A |
Montgomery Village | 0.91% | 1.02% | 1.09% | 1.31% | 1.54% |
Mount Airy | 0.97% | 1.09% | 1.14% | 1.30% | 1.48% |
North Bethesda | N/A | N/A | N/A | N/A | N/A |
North Potomac | 1.00% | 1.06% | 1.08% | 1.15% | 1.26% |
Olney | 0.82% | 0.94% | 1.00% | 1.11% | 1.25% |
Poolesville | 0.93% | 1.07% | 1.13% | 1.23% | 1.38% |
Potomac | 0.92% | 1.00% | 1.09% | 1.15% | 1.32% |
Rockville | 0.90% | 1.03% | 1.17% | 1.32% | 1.45% |
Sandy Spring | 0.92% | 1.11% | 1.14% | 1.20% | 1.35% |
Silver Spring | 0.80% | 0.98% | 1.10% | 1.20% | 1.40% |
Spencerville | 0.94% | 1.09% | 1.15% | 1.26% | 1.42% |
Takoma Park | 1.15% | 1.39% | 1.53% | 1.61% | 1.76% |
Washington Grove | 1.06% | 1.17% | 1.21% | 1.24% | 1.42% |
Wheaton | N/A | N/A | N/A | N/A | N/A |
Woodbine | 0.89% | 0.93% | 1.10% | 1.14% | 1.16% |
Source: Ownwell
Property Tax Assessment Values Across Montgomery County, Maryland
When examining property taxes in Montgomery 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 Montgomery County 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 Montgomery County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of March. 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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Montgomery County.
For example, the median tax bill in Montgomery County is $4,700, with tax bills ranging significantly across the county. Chevy Chase has the highest median home price at $1,118,200.
Property Tax Assessment Values Across Montgomery County, Maryland
Source: Ownwell

$110,000
$614,100
$1,118,200
Median Montgomery County Market Value
$471,000
Median Maryland Market Value
$317,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Montgomery County, Maryland
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Adelphi | N/A | N/A | N/A | N/A | N/A |
Ashton | $356,260 | $488,450 | $656,000 | $842,350 | $946,700 |
Barnesville | $300,660 | $375,150 | $495,150 | $592,750 | $816,930 |
Beallsville | $312,630 | $370,350 | $432,250 | $586,100 | $758,520 |
Beltsville | $90,000 | $110,000 | $110,000 | $110,000 | $130,000 |
Bethesda | $265,000 | $694,225 | $923,250 | $1,301,575 | $1,712,290 |
Boyds | $253,700 | $434,000 | $646,950 | $747,500 | $816,200 |
Brinklow | $399,300 | $527,700 | $637,200 | $783,800 | $1,014,320 |
Brookeville | $421,200 | $503,500 | $598,200 | $714,800 | $840,700 |
Burtonsville | $268,600 | $292,700 | $321,350 | $432,600 | $578,100 |
Cabin John | $505,960 | $717,825 | $970,100 | $1,265,875 | $1,694,570 |
Chevy Chase | $315,000 | $694,550 | $1,118,200 | $1,555,825 | $2,139,400 |
Clarksburg | $154,000 | $390,200 | $495,500 | $649,000 | $768,920 |
Colesville | N/A | N/A | N/A | N/A | N/A |
Damascus | $240,700 | $320,850 | $407,800 | $500,150 | $644,320 |
Darnestown | N/A | N/A | N/A | N/A | N/A |
Derwood | $300,000 | $392,900 | $479,200 | $620,000 | $762,680 |
Dickerson | $268,730 | $332,025 | $451,600 | $738,625 | $1,003,190 |
Gaithersburg | $130,000 | $282,400 | $378,700 | $553,600 | $725,700 |
Garrett Park | $632,450 | $690,525 | $783,350 | $922,725 | $1,106,030 |
Germantown | $205,000 | $255,000 | $323,600 | $444,700 | $595,440 |
Glen Echo | $810,790 | $888,475 | $1,071,650 | $1,245,750 | $1,486,770 |
Highland | $478,690 | $502,350 | $561,350 | $624,325 | $768,700 |
Kensington | $381,580 | $460,850 | $581,100 | $825,600 | $1,060,000 |
Laurel | $386,920 | $438,150 | $530,400 | $608,250 | $661,620 |
Laytonsville | N/A | N/A | N/A | N/A | N/A |
Monrovia | N/A | N/A | N/A | N/A | N/A |
Montgomery Village | $100,000 | $202,900 | $256,800 | $340,600 | $432,880 |
Mount Airy | $286,320 | $336,625 | $400,000 | $487,925 | $784,580 |
North Bethesda | N/A | N/A | N/A | N/A | N/A |
North Potomac | $420,820 | $538,600 | $675,400 | $797,300 | $947,280 |
Olney | $279,780 | $370,000 | $535,700 | $638,300 | $776,500 |
Poolesville | $233,150 | $363,550 | $496,250 | $685,150 | $844,900 |
Potomac | $598,400 | $700,175 | $968,700 | $1,324,225 | $1,759,860 |
Rockville | $220,000 | $365,000 | $488,200 | $673,825 | $872,800 |
Sandy Spring | $275,240 | $387,950 | $627,500 | $878,750 | $1,031,720 |
Silver Spring | $200,000 | $331,900 | $427,200 | $520,100 | $636,500 |
Spencerville | $321,270 | $374,625 | $518,400 | $680,300 | $929,010 |
Takoma Park | $240,000 | $437,800 | $554,500 | $715,300 | $885,950 |
Washington Grove | $309,700 | $392,000 | $458,100 | $552,900 | $667,900 |
Wheaton | N/A | N/A | N/A | N/A | N/A |
Woodbine | $292,100 | $330,650 | $413,500 | $451,700 | $510,800 |
Source: Ownwell
Property Tax Bills Across Montgomery County, Maryland
Median Montgomery County Tax Bill
$5,416
Median Maryland Tax Bill
$3,419
Median United States Tax Bill
$2,400
Property Tax Bills Across Montgomery County, Maryland
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Adelphi | N/A | N/A | N/A | N/A | N/A |
Ashton | $3,887 | $5,564 | $7,557 | $9,994 | $11,612 |
Barnesville | $2,807 | $3,732 | $5,251 | $6,499 | $9,414 |
Beallsville | $2,880 | $3,862 | $4,773 | $6,794 | $8,240 |
Beltsville | $488 | $836 | $1,180 | $1,180 | $1,872 |
Bethesda | $2,729 | $7,143 | $10,057 | $13,703 | $18,501 |
Boyds | $3,209 | $5,182 | $7,510 | $8,768 | $9,722 |
Brinklow | $4,409 | $6,046 | $7,303 | $9,404 | $11,605 |
Brookeville | $4,164 | $5,081 | $6,440 | $8,203 | $9,972 |
Burtonsville | $2,552 | $3,083 | $4,085 | $5,155 | $6,792 |
Cabin John | $5,371 | $7,784 | $10,538 | $13,333 | $17,750 |
Chevy Chase | $3,219 | $6,882 | $11,305 | $15,933 | $22,221 |
Clarksburg | $1,730 | $4,137 | $5,597 | $7,222 | $8,671 |
Colesville | N/A | N/A | N/A | N/A | N/A |
Damascus | $2,273 | $3,468 | $4,541 | $5,751 | $7,079 |
Darnestown | N/A | N/A | N/A | N/A | N/A |
Derwood | $3,055 | $4,340 | $5,499 | $7,044 | $8,543 |
Dickerson | $2,683 | $3,722 | $5,128 | $8,253 | $11,465 |
Gaithersburg | $1,662 | $3,300 | $4,682 | $6,660 | $8,794 |
Garrett Park | $7,918 | $9,151 | $10,476 | $12,294 | $15,147 |
Germantown | $1,894 | $2,707 | $3,760 | $5,096 | $6,747 |
Glen Echo | $8,421 | $9,567 | $11,705 | $13,398 | $15,793 |
Highland | $5,156 | $5,973 | $6,703 | $7,881 | $8,896 |
Kensington | $3,977 | $5,285 | $6,797 | $9,389 | $11,910 |
Laurel | $4,082 | $4,783 | $6,234 | $7,112 | $8,235 |
Laytonsville | N/A | N/A | N/A | N/A | N/A |
Monrovia | N/A | N/A | N/A | N/A | N/A |
Montgomery Village | $1,052 | $2,165 | $3,142 | $4,180 | $5,186 |
Mount Airy | $2,950 | $3,787 | $4,923 | $5,971 | $9,585 |
North Bethesda | N/A | N/A | N/A | N/A | N/A |
North Potomac | $4,424 | $5,733 | $7,367 | $8,793 | $10,566 |
Olney | $2,679 | $3,913 | $5,403 | $6,540 | $8,068 |
Poolesville | $2,606 | $3,844 | $5,730 | $7,879 | $9,981 |
Potomac | $6,462 | $8,183 | $10,130 | $13,838 | $18,559 |
Rockville | $2,392 | $4,275 | $5,813 | $8,034 | $10,307 |
Sandy Spring | $3,204 | $4,775 | $7,514 | $10,287 | $11,983 |
Silver Spring | $1,823 | $3,485 | $4,805 | $5,915 | $7,152 |
Spencerville | $3,139 | $4,381 | $6,118 | $7,983 | $10,872 |
Takoma Park | $3,439 | $5,903 | $8,513 | $10,799 | $13,387 |
Washington Grove | $3,585 | $4,440 | $5,580 | $6,752 | $8,773 |
Wheaton | N/A | N/A | N/A | N/A | N/A |
Woodbine | $2,657 | $3,243 | $4,095 | $5,116 | $5,197 |
Source: Ownwell