Montgomery County, Maryland Property Taxes
Property Taxes in Montgomery County, Maryland
Median Montgomery County effective property tax rate: 1.19%, significantly higher than the national median of 1.02%.
Median Montgomery County home value: $520,100
Median annual Montgomery County tax bill: $6,208, $3,808 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.
Why are Montgomery County property taxes higher than the national median? The county’s median effective property tax rate of 1.19% is above the national median, and the median annual tax bill is also well above the national median property tax bill.
How can homeowners lower their property tax bill in Montgomery County? Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings.
Whether you live in Montgomery County or another part of the county, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Montgomery County, Maryland Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.19%
Estimate Property Tax Bill
$6,189
$5,743
How Does the Montgomery County Property Tax Calculator Work?
Use this Montgomery County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Montgomery County's median effective tax rate of 1.19% to generate your estimate.
Enter your property's estimated assessed value — the figure the assessment authority assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our 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. Montgomery County's median effective tax rate is higher than the national median property tax rate of 1.02%, and the county's median property tax bill of $6,208 is higher than 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 Montgomery County.
Property Tax Rates Across Montgomery County, Maryland
What Are Effective Property Tax Rates Across Montgomery County?
Local government entities set tax rates, which vary widely across Montgomery 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 Montgomery County's effective property tax rate to other counties in Maryland or the U.S. median of 1.02%.
Montgomery County's median effective rate stands at 1.19%, which is higher than the national median of 1.02%. Within Montgomery County, the highest rate is found in Takoma Park at 1.72%, while Sandy Spring has the lowest at 1.06%.
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 Montgomery County Tax Rate
1.19%
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 Montgomery County, Maryland
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Ashton | 1.01% | 1.05% | 1.09% | 1.13% | 1.19% |
| Barnesville | 1.18% | 1.20% | 1.22% | 1.25% | 1.28% |
| Beallsville | 1.28% | 1.30% | 1.32% | 1.35% | 1.37% |
| Bealsville | 1.25% | 1.28% | 1.31% | 1.34% | 1.36% |
| Beltsville | 1.12% | 1.15% | 1.15% | 1.15% | 1.19% |
| Bethesda | 1.10% | 1.14% | 1.18% | 1.22% | 1.24% |
| Boyds | 1.21% | 1.23% | 1.32% | 1.34% | 1.36% |
| Brinklow | 1.06% | 1.08% | 1.11% | 1.17% | 1.23% |
| Brookeville | 1.02% | 1.07% | 1.13% | 1.17% | 1.19% |
| Burtonsville | 1.04% | 1.08% | 1.13% | 1.16% | 1.19% |
| Cabin John | 1.13% | 1.16% | 1.19% | 1.23% | 1.26% |
| Chevy Chase | 1.08% | 1.12% | 1.16% | 1.20% | 1.23% |
| Clarksburg | 1.19% | 1.21% | 1.23% | 1.24% | 1.30% |
| Damascus | 1.22% | 1.24% | 1.26% | 1.29% | 1.32% |
| Darnestown | 1.16% | 1.22% | 1.23% | 1.23% | 1.35% |
| Derwood | 1.03% | 1.08% | 1.12% | 1.16% | 1.20% |
| Dickerson | 1.22% | 1.26% | 1.31% | 1.36% | 1.39% |
| Gaithersburg | 1.04% | 1.11% | 1.18% | 1.23% | 1.26% |
| Garrett Park | 1.23% | 1.27% | 1.34% | 1.40% | 1.43% |
| Germantown | 1.04% | 1.09% | 1.15% | 1.24% | 1.26% |
| Glen Echo | 1.21% | 1.23% | 1.24% | 1.25% | 1.26% |
| Highland | 1.05% | 1.06% | 1.08% | 1.11% | 1.13% |
| Kensington | 1.18% | 1.22% | 1.26% | 1.30% | 1.32% |
| Laurel | 1.05% | 1.07% | 1.08% | 1.11% | 1.16% |
| Montgomery Village | 0.93% | 1.05% | 1.09% | 1.12% | 1.15% |
| Mount Airy | 1.20% | 1.29% | 1.32% | 1.35% | 1.38% |
| North Potomac | 1.20% | 1.21% | 1.22% | 1.24% | 1.26% |
| Olney | 1.05% | 1.11% | 1.15% | 1.18% | 1.20% |
| Poolesville | 1.28% | 1.29% | 1.30% | 1.30% | 1.32% |
| Potomac | 1.06% | 1.09% | 1.13% | 1.18% | 1.22% |
| Rockville | 1.10% | 1.16% | 1.22% | 1.34% | 1.44% |
| Sandy Spring | 1.00% | 1.03% | 1.06% | 1.16% | 1.29% |
| Silver Spring | 1.08% | 1.15% | 1.20% | 1.26% | 1.30% |
| Spencerville | 1.01% | 1.05% | 1.10% | 1.15% | 1.21% |
| Takoma Park | 1.36% | 1.72% | 1.72% | 1.73% | 1.74% |
| Washington Grove | 1.11% | 1.21% | 1.25% | 1.28% | 1.31% |
| Adelphi | N/A | N/A | N/A | N/A | N/A |
| Colesville | N/A | N/A | N/A | N/A | N/A |
| Elkridge | N/A | N/A | N/A | N/A | N/A |
| Laytonsville | N/A | N/A | N/A | N/A | N/A |
| North Bethesda | N/A | N/A | N/A | N/A | N/A |
| Wheaton | N/A | N/A | N/A | N/A | N/A |
| Woodbine | N/A | N/A | N/A | N/A | N/A |
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 appraisal district 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 April.
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 $6,208, with tax bills ranging significantly across the county. Chevy Chase has the highest median home price at $1,110,550.
Property Tax Assessment Values Across Montgomery County, Maryland
Source: Ownwell
$110,000
$614,075
$1,118,150
Median Montgomery County Market Value
$520,100
Median Maryland Market Value
$338,400
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 |
|---|---|---|---|---|---|
| Ashton | $458,140 | $603,500 | $837,100 | $1,058,000 | $1,194,880 |
| Barnesville | $289,160 | $352,500 | $451,200 | $560,200 | $797,200 |
| Beallsville | $283,490 | $328,125 | $388,500 | $442,900 | $535,830 |
| Bealsville | $331,920 | $356,000 | $412,400 | $551,000 | $805,360 |
| Beltsville | $90,000 | $110,000 | $110,000 | $110,000 | $130,000 |
| Bethesda | $280,000 | $705,000 | $934,000 | $1,321,200 | $1,756,070 |
| Boyds | $334,130 | $464,900 | $658,800 | $750,725 | $816,810 |
| Brinklow | $528,580 | $674,275 | $801,500 | $930,350 | $1,152,480 |
| Brookeville | $476,600 | $542,900 | $669,900 | $898,100 | $1,075,900 |
| Burtonsville | $310,000 | $340,250 | $394,500 | $517,700 | $709,600 |
| Cabin John | $492,860 | $723,500 | $984,800 | $1,272,100 | $1,720,580 |
| Chevy Chase | $305,000 | $672,950 | $1,110,550 | $1,555,050 | $2,147,950 |
| Clarksburg | $242,280 | $430,000 | $506,800 | $662,100 | $776,500 |
| Damascus | $247,700 | $325,050 | $409,100 | $499,150 | $636,300 |
| Darnestown | $280,900 | $490,575 | $590,100 | $662,175 | $712,770 |
| Derwood | $380,900 | $477,950 | $588,300 | $701,150 | $862,440 |
| Dickerson | $260,000 | $312,550 | $418,400 | $643,700 | $969,660 |
| Gaithersburg | $255,000 | $355,000 | $463,100 | $643,500 | $845,700 |
| Garrett Park | $672,200 | $748,100 | $894,600 | $1,116,300 | $1,307,700 |
| Germantown | $245,000 | $295,200 | $363,600 | $480,850 | $656,020 |
| Glen Echo | $810,700 | $887,200 | $1,072,400 | $1,250,600 | $1,436,100 |
| Highland | $589,460 | $640,875 | $722,400 | $798,175 | $889,600 |
| Kensington | $385,800 | $463,750 | $624,500 | $847,250 | $1,081,500 |
| Laurel | $486,780 | $561,800 | $683,200 | $764,500 | $823,230 |
| Montgomery Village | $190,660 | $277,200 | $329,500 | $432,200 | $545,620 |
| Mount Airy | $300,700 | $344,900 | $399,700 | $484,700 | $754,640 |
| North Potomac | $420,090 | $539,500 | $676,850 | $797,425 | $949,040 |
| Olney | $325,000 | $412,100 | $558,300 | $679,700 | $817,940 |
| Poolesville | $235,720 | $365,000 | $488,600 | $680,000 | $831,520 |
| Potomac | $718,300 | $834,900 | $1,030,500 | $1,360,600 | $1,784,660 |
| Rockville | $260,000 | $414,400 | $527,000 | $709,700 | $924,520 |
| Sandy Spring | $289,960 | $399,500 | $816,500 | $1,121,000 | $1,284,820 |
| Silver Spring | $215,000 | $349,000 | $459,700 | $567,650 | $686,500 |
| Spencerville | $396,760 | $479,150 | $661,200 | $899,100 | $1,195,320 |
| Takoma Park | $240,000 | $437,900 | $557,100 | $721,850 | $895,600 |
| Washington Grove | $346,900 | $431,900 | $532,300 | $658,250 | $824,100 |
| Adelphi | N/A | N/A | N/A | N/A | N/A |
| Colesville | N/A | N/A | N/A | N/A | N/A |
| Elkridge | N/A | N/A | N/A | N/A | N/A |
| Laytonsville | N/A | N/A | N/A | N/A | N/A |
| North Bethesda | N/A | N/A | N/A | N/A | N/A |
| Wheaton | N/A | N/A | N/A | N/A | N/A |
| Woodbine | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Montgomery County, Maryland
Property tax bills in Montgomery County are based on the assessed market value of a home, not its purchase price. With a median home price of $520,100, homeowners can expect taxes to vary widely depending on location, home characteristics, and the county’s tax rate. The bill is calculated by multiplying the assessed value by the applicable property tax rate, so even small changes in value can affect what a homeowner owes.
In Montgomery County, the spread in tax bills is significant. The 25th percentile tax bill is $4,426, while the 75th percentile reaches $9,091 and the 90th percentile climbs to $12,949. That means many homeowners pay well above the national median property tax bill of $2,400. At the city level, the highest median tax bill is $13,315 in Glen Echo, compared with just $1,261 in Beltsville. These differences show how property taxes can impact affordability and monthly housing costs for homeowners across the county.
Median Montgomery County Tax Bill
$6,208
Median Maryland Tax Bill
$4,092
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 |
|---|---|---|---|---|---|
| Ashton | $4,984 | $6,702 | $8,909 | $11,432 | $12,786 |
| Barnesville | $3,566 | $4,402 | $5,633 | $6,794 | $9,574 |
| Beallsville | $3,771 | $4,460 | $5,253 | $5,862 | $6,949 |
| Bealsville | $4,370 | $4,777 | $5,528 | $7,124 | $9,999 |
| Beltsville | $1,069 | $1,261 | $1,261 | $1,261 | $1,494 |
| Bethesda | $3,013 | $8,436 | $11,108 | $15,370 | $20,496 |
| Boyds | $4,280 | $6,081 | $8,561 | $9,750 | $10,526 |
| Brinklow | $6,191 | $7,486 | $8,758 | $10,465 | $12,648 |
| Brookeville | $5,530 | $6,252 | $7,468 | $9,608 | $11,293 |
| Burtonsville | $3,671 | $3,856 | $4,315 | $5,794 | $7,775 |
| Cabin John | $6,188 | $8,698 | $11,512 | $14,726 | $19,409 |
| Chevy Chase | $3,437 | $8,102 | $12,749 | $17,711 | $24,365 |
| Clarksburg | $2,771 | $5,119 | $6,195 | $8,043 | $9,409 |
| Damascus | $3,171 | $4,152 | $5,194 | $6,262 | $7,801 |
| Darnestown | $2,703 | $6,637 | $7,251 | $8,217 | $8,830 |
| Derwood | $4,208 | $5,235 | $6,413 | $7,876 | $9,408 |
| Dickerson | $3,507 | $4,190 | $5,470 | $8,123 | $11,697 |
| Gaithersburg | $2,777 | $4,139 | $5,434 | $7,661 | $9,784 |
| Garrett Park | $9,351 | $10,268 | $11,781 | $13,932 | $16,695 |
| Germantown | $2,651 | $3,384 | $4,191 | $5,615 | $7,566 |
| Glen Echo | $10,219 | $11,211 | $13,315 | $15,113 | $18,071 |
| Highland | $6,624 | $6,881 | $7,812 | $8,574 | $9,587 |
| Kensington | $5,063 | $6,020 | $7,603 | $10,376 | $13,276 |
| Laurel | $5,399 | $6,226 | $7,334 | $8,132 | $8,685 |
| Montgomery Village | $1,680 | $3,013 | $3,643 | $4,730 | $5,894 |
| Mount Airy | $4,041 | $4,607 | $5,187 | $6,360 | $9,354 |
| North Potomac | $5,229 | $6,722 | $8,284 | $9,679 | $11,522 |
| Olney | $3,716 | $4,725 | $6,465 | $7,619 | $9,072 |
| Poolesville | $2,990 | $4,707 | $6,195 | $8,747 | $10,650 |
| Potomac | $8,067 | $9,514 | $11,599 | $15,382 | $20,285 |
| Rockville | $3,014 | $5,186 | $6,589 | $9,007 | $11,399 |
| Sandy Spring | $4,275 | $5,234 | $9,069 | $11,838 | $13,567 |
| Silver Spring | $2,386 | $4,285 | $5,564 | $6,647 | $7,976 |
| Spencerville | $4,580 | $5,346 | $7,171 | $9,493 | $12,746 |
| Takoma Park | $3,983 | $6,982 | $9,514 | $12,382 | $15,399 |
| Washington Grove | $4,447 | $5,500 | $6,553 | $7,864 | $9,518 |
| Adelphi | N/A | N/A | N/A | N/A | N/A |
| Colesville | N/A | N/A | N/A | N/A | N/A |
| Elkridge | N/A | N/A | N/A | N/A | N/A |
| Laytonsville | N/A | N/A | N/A | N/A | N/A |
| North Bethesda | N/A | N/A | N/A | N/A | N/A |
| Wheaton | N/A | N/A | N/A | N/A | N/A |
| Woodbine | 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 | |
|---|---|
| Montgomery Tax Assessor | |
| Website | sdat.dat.maryland.gov |
Frequently Asked Property Tax Questions in Montgomery County, Maryland
How are property taxes calculated in Montgomery County, Maryland?
How do I appeal my property taxes in Montgomery County, Maryland?
What property tax exemptions are available in Montgomery County, Maryland?
When are property taxes due in Montgomery County, Maryland?
How can Ownwell help reduce my property taxes in Montgomery County, Maryland?
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