North Potomac, Montgomery County, Maryland Property Taxes
Median North Potomac, MD effective property tax rate: 1.08%, slightly higher than the national median of 1.02%, but lower than the Maryland state median of 1.06%.
Median North Potomac, MD home value: $675,400
Median annual North Potomac, MD tax bill: $7,367, $4,967 higher than the national median property tax bill of $2,400.
How are property taxes in Montgomery calculated?
Property taxes in North Potomac, MD 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 North Potomac’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in North Potomac, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
North Potomac, Montgomery County, Maryland Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.08%
Estimate Property Tax Bill
$7,294
$6,769
Property Tax Rates Across North Potomac, Montgomery County, Maryland
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 North Potomac’s effective property tax rate to other cities in Maryland and the median property tax rates in Maryland and the U.S.
In North Potomac, located in Montgomery County, the property tax rate is 1.08%, which is slightly higher than the national median of 1.02%. This rate is consistent across Montgomery County, reflecting the county's uniform approach to property taxation. The median property tax rate in Maryland aligns with North Potomac's rate, highlighting a statewide consistency in taxation. Despite the uniform rate, it's important for property owners to understand how these rates impact their annual tax bills, especially when compared to the national median property tax bill of $2,400. Understanding these dynamics can help property owners make informed decisions and potentially benefit from appealing their property taxes.
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 North Potomac Tax Rate
1.08%
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%
Median Effective Maryland Tax Rate
1.06%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across North Potomac, Montgomery County, Maryland
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
20878 | 1.00% | 1.06% | 1.08% | 1.15% | 1.26% |
Source: Ownwell
Property Tax Assessment Values Across North Potomac, Montgomery County, Maryland
Property Tax Assessment Values Across North Potomac, Montgomery County, Maryland
Source: Ownwell

$110,000
$614,100
$1,118,200
Median North Potomac Market Value
$675,400
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 North Potomac, Montgomery County, Maryland
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
20878 | $420,820 | $538,600 | $675,400 | $797,300 | $947,280 |
Source: Ownwell
Property Tax Bills Across North Potomac, Montgomery County, Maryland
Property Tax Bills Across North Potomac, Montgomery County, Maryland
Source: Ownwell

$1,180
$6,981
$12,781
Median North Potomac Tax Bill
$7,367
Median Montgomery County Tax Bill
$5,416
Median Maryland Tax Bill
$3,419
Median United States Tax Bill
$2,400
Property Tax Bills Across North Potomac, Montgomery County, Maryland
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
20878 | $4,424 | $5,733 | $7,367 | $8,793 | $10,566 |
Source: Ownwell