Wilmington, Middlesex County, Massachusetts Property Taxes
Property Taxes in Wilmington, Massachusetts
Median Wilmington, Massachusetts effective property tax rate: 1.15%, significantly higher than the national median of 1.02%, and equal to the Massachusetts state median of 1.15%.
Median Wilmington, Massachusetts home value: $659,900
Median annual Wilmington, Massachusetts tax bill: $7,556, $5,156 higher than the national median property tax bill of $2,400.
How are property taxes in Middlesex calculated?
Property taxes in Wilmington, Massachusetts 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 Wilmington's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Wilmington, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Wilmington, Middlesex County, Massachusetts Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.15%
Estimate Property Tax Bill
$7,589
$7,042
How Does the Wilmington Property Tax Calculator Work?
Use this Wilmington property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Wilmington's median effective tax rate of 1.15% — based on actual property records in Middlesex 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 Wilmington's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Wilmington's property tax rate is higher than the Massachusetts median rate of 1.15%, and the median property tax bill is $7,556, which is $5,156 higher than the state median bill. Your bill may vary by ZIP code within Wilmington, though the available data shows 01887 at both the highest and lowest median tax bill.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Wilmington.
About Wilmington Property Taxes
About Property Taxes in Wilmington, Middlesex, Massachusetts
Wilmington’s median effective property tax rate of 1.15% is higher than the Massachusetts state median of 1.15% and higher than the national median of 1.02%. This rate reflects the Middlesex County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Wilmington. Homeowners in the 01887 ZIP code carry a median effective rate of 1.15%, while those in 01887 pay 1.15%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Middlesex County. Understanding which part of Wilmington you live in can make a meaningful difference to your annual tax bill.
Wilmington homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the February 1, 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 Wilmington, Middlesex County, Massachusetts
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 Wilmington's effective property tax rate to other cities in Massachusetts and the median property tax rates in Massachusetts and the U.S.
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 Wilmington Tax Rate
1.15%
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 Middlesex County Tax Rate
1.14%
Median Effective Massachusetts Tax Rate
1.15%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Wilmington, Middlesex County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 01887 | 1.14% | 1.14% | 1.15% | 1.15% | 1.15% |
Source: Ownwell
Property Tax Assessment Values Across Wilmington, Middlesex County, Massachusetts
When examining property taxes in Wilmington, Massachusetts, 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 Middlesex 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 Middlesex County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Wilmington.
For example, the median home price in Wilmington is $659,900, with tax bills ranging significantly across the county. 01887 has the highest median home price at $659,900.
Property Tax Assessment Values Across Wilmington, Middlesex County, Massachusetts
Source: Ownwell
$378,900
$1,063,575
$1,748,250
Median Wilmington Market Value
$659,900
Median Middlesex County Market Value
$710,700
Median Massachusetts Market Value
$561,600
Median United States Market Value
$235,294
Property Tax Assessment Values Across Wilmington, Middlesex County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 01887 | $515,390 | $575,025 | $659,900 | $795,100 | $957,910 |
Source: Ownwell
Property Tax Bills Across Wilmington, Middlesex County, Massachusetts
Wilmington property tax bills are based on the assessed value of a home and the local tax rate set by the city and county. The bill is calculated by multiplying the property’s assessed value by the tax rate, so homes with higher values generally owe more. Factors such as location, neighborhood conditions, and changes in the market can influence a home’s assessed value and, in turn, the amount due.
For homeowners in Wilmington, this means property taxes can be a significant part of annual housing costs. The median home price is $659,900, and the median tax bill is $7,556, which is well above the national median property tax bill of $2,400. Tax bills in the area also vary widely, with the 25th percentile at $6,585 and the 75th percentile at $9,104. At the 90th percentile, the bill reaches $10,969, showing how much taxes can rise for higher-valued homes.
Property Tax Bills Across Wilmington, Middlesex County, Massachusetts
Source: Ownwell
$4,708
$12,022
$19,336
Median Wilmington Tax Bill
$7,556
Median Middlesex County Tax Bill
$7,377
Median Massachusetts Tax Bill
$6,068
Median United States Tax Bill
$2,400
Property Tax Bills Across Wilmington, Middlesex County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 01887 | $5,901 | $6,585 | $7,556 | $9,104 | $10,969 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 1 |
Links | |
|---|---|
| Middlesex Tax Assessor | |
| Website | www.masslandrecords.com |