Property Taxes in Washington Grove, Maryland
Median Washington Grove, Maryland effective property tax rate: 1.25%, significantly higher than the national median of 1.02%, and higher than the Maryland state median of 1.21%.
Median Washington Grove, Maryland home value: $532,300
Median annual Washington Grove, Maryland tax bill: $6,553, $4,153 higher than the national median property tax bill of $2,400.
How are property taxes in Montgomery calculated?
Property taxes in Washington Grove, Maryland 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 Washington Grove's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Washington Grove, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Washington Grove Property Tax Calculator Work?
Use this Washington Grove property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Washington Grove's median effective tax rate of 1.25% — based on actual property records in Montgomery County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Washington Grove's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Washington Grove: rates range from 1.25% in 20880 to 1.25% in 20880, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Washington Grove.
About Washington Grove Property Taxes
About Property Taxes in Washington Grove, Montgomery, Maryland
Washington Grove's median effective property tax rate of 1.25% is higher than the Maryland state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Montgomery County base levy combined with local school district levies and special taxing districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Washington Grove. Homeowners in the 20880 ZIP code carry a median effective rate of 1.25%, while those in the same ZIP code pay 1.25%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Montgomery County. Understanding which part of Washington Grove you live in can make a meaningful difference to your annual tax bill.
Washington Grove homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the February 13, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Washington Grove, Montgomery County, Maryland
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Washington Grove's effective property tax rate to other cities in Maryland and the median property tax rates in Maryland and the U.S.
Property Tax Rates Across Washington Grove, Montgomery County, Maryland
Source: Ownwell
1.01%
1.38%
1.75%
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 Washington Grove Tax Rate
1.25%
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%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Washington Grove, Montgomery County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20880 | 1.11% | 1.21% | 1.25% | 1.28% | 1.31% |
Source: Ownwell
Property Tax Assessment Values Across Washington Grove, Montgomery County, Maryland
When examining property taxes in Washington Grove, Maryland, 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 assessment office 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 the season.
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 understanding how assessed and market values are determined, property owners can better navigate their tax responsibilities in Washington Grove.
For example, the median home price in Washington Grove is $532,300, with tax bills ranging significantly across the county. 20880 has the highest median home price at $532,300.
Property Tax Assessment Values Across Washington Grove, Montgomery County, Maryland
Source: Ownwell
$110,000
$614,075
$1,118,150
Median Washington Grove Market Value
$532,300
Median Montgomery County Market Value
$520,100
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Washington Grove, Montgomery County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20880 | $346,900 | $431,900 | $532,300 | $658,250 | $824,100 |
Source: Ownwell
Property Tax Bills Across Washington Grove, Montgomery County, Maryland
Property tax bills in Washington Grove are calculated by multiplying a home’s assessed value by the local tax rate. The assessed value is based on the market value of the property, which means the amount a buyer might reasonably pay for it. Local taxing authorities use this value to determine how much tax a homeowner owes each year.
Several factors can affect the final bill, including the home’s location, size, condition, and any changes in the local tax rate. In Montgomery County, the median home price is $532,300, and the median property tax bill is $6,553, which is well above the national median property tax bill of $2,400.
For many homeowners, this means property taxes can be a major part of annual housing costs. Bills in the area often range from $5,500 at the 25th percentile to $7,864 at the 75th percentile, with the 90th percentile reaching $9,518.
Property Tax Bills Across Washington Grove, Montgomery County, Maryland
Source: Ownwell
$1,261
$7,418
$13,575
Median Washington Grove Tax Bill
$6,553
Median Montgomery County Tax Bill
$6,208
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Washington Grove, Montgomery County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20880 | $4,447 | $5,500 | $6,553 | $7,864 | $9,518 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Montgomery Tax Assessor | |
| Website | sdat.dat.maryland.gov |