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Rockville, Montgomery County, Maryland Property Taxes

  • Median Rockville, MD effective property tax rate: 1.17%, significantly higher than the national median of 1.02%, but lower than the Maryland state median of 1.06%.

  • Median Rockville, MD home value: $488,200

  • Median annual Rockville, MD tax bill: $5,813, $3,413 higher than the national median property tax bill of $2,400.

How are property taxes in Montgomery calculated?

Property taxes in Rockville, 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 Rockville’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Rockville, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Rockville, Montgomery County, Maryland Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.22%

Estimate Property Tax Bill

$6,429

$5,966

SAVE WITH OWNWELL

$1,102

Average Tax Savings

Ownwell’s Rockville Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Rockville with just two data points. By entering your property's estimated assessed value, our calculator applies Rockville’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Montgomery County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Rockville, Montgomery County, Maryland

Local government entities are responsible for setting tax rates, which can vary significantly within a state. This variation occurs because each county annually estimates the budget required to provide essential services and divides this by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. Although votes and legislation play roles in determining tax rates and budgets, this is essentially the yearly process.

In Rockville, located in Montgomery County, the effective property tax rate can be compared to other cities in Maryland and the median property tax rates in both the state and the U.S. While Maryland's median property tax rate is slightly above the national median, Rockville's rate provides an interesting point of comparison within the state. The city of Rockville is situated in a county where the highest median tax rate is found in the 20851 zip code, while the lowest is in the 20853 zip code. Understanding these differences can help property owners make informed decisions about their investments and potential savings through property tax appeals or exemptions.

Property Tax Rates Across Rockville, 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 Rockville Tax Rate

1.22%

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

1.02%

Property Tax Rates Across Rockville, Montgomery County, Maryland

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
208501.07%1.21%1.33%1.43%1.45%
208511.24%1.30%1.34%1.38%1.40%
208521.08%1.14%1.17%1.22%1.38%
208531.15%1.17%1.21%1.25%1.27%
208551.11%1.12%1.13%1.16%1.19%
20854N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Assessment Values Across Rockville, Montgomery County, Maryland

When examining property taxes in Rockville, 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 Department of Finance 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.

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 Rockville.

For example, the median home price in Rockville is $488,200, with tax bills ranging significantly across the county. Zip code 20850 has the highest median home price at $561,300.

Property Tax Assessment Values Across Rockville, Montgomery County, Maryland

Source: Ownwell

$110,000

$614,075

$1,118,150

Median Rockville Market Value

$527,000

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 Rockville, Montgomery County, Maryland

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
20850$320,000$430,875$599,400$769,525$1,032,900
20851$383,860$413,100$451,500$502,200$573,000
20852$205,000$325,000$513,900$750,000$993,860
20853$392,800$439,600$519,900$648,900$787,300
20855$556,440$772,950$847,400$900,600$953,520
20854N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Bills Across Rockville, Montgomery County, Maryland

In Rockville, property tax bills are determined by multiplying the assessed value of a home by the local tax rate. Montgomery County's tax bills are notably higher than the national median property tax bill of $2,400, with the median tax bill reaching $7,198 in certain areas like the 20850 zip code. Factors influencing the tax bill include the assessed value of the property, which is based on market conditions and property characteristics, and the local tax rate set by the county. Homeowners in Rockville can face tax bills ranging from $4,275 at the 25th percentile to $10,307 at the 90th percentile, reflecting the significant impact of property taxes on household budgets. Ownwell can assist homeowners in Rockville by analyzing their property assessments and identifying potential errors or overvaluations. By appealing these assessments, Ownwell helps ensure homeowners are not overpaying on their property taxes, potentially saving them a substantial amount on their annual tax bills.

Property Tax Bills Across Rockville, Montgomery County, Maryland

Source: Ownwell

$1,261

$7,418

$13,575

Median Rockville Tax Bill

$6,589

Median Montgomery County Tax Bill

$6,208

Median Maryland Tax Bill

$4,092

Median United States Tax Bill

$2,400

Property Tax Bills Across Rockville, Montgomery County, Maryland

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
20850$3,472$5,574$8,229$9,996$12,663
20851$5,267$5,647$6,037$6,560$7,209
20852$2,279$3,589$6,096$9,252$12,316
20853$4,948$5,445$6,330$7,564$9,071
20855$6,514$8,887$9,586$10,131$10,853
20854N/AN/AN/AN/AN/A

Source: Ownwell

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