Lexington, Middlesex County, Massachusetts Property Taxes
Property Taxes in Lexington, Massachusetts
Median Lexington, Massachusetts effective property tax rate: 1.22%, significantly higher than the national median of 1.02%, and higher than the Massachusetts state median of 1.15%.
Median Lexington, Massachusetts home value: $1,341,000
Median annual Lexington, Massachusetts tax bill: $16,400, $14,000 higher than the national median property tax bill of $2,400.
How are property taxes in Middlesex calculated?
Property taxes in Lexington, 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 Lexington's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Lexington, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Lexington, Middlesex County, Massachusetts Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.22%
Estimate Property Tax Bill
$16,360
$15,182
How Does the Lexington Property Tax Calculator Work?
Use this Lexington property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Lexington's median effective tax rate of 1.22% — based on actual property records in Middlesex County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Lexington'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 Lexington: rates range from $15,948 in 02420 to $16,792 in 02421, 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 Lexington.
About Lexington Property Taxes
About Property Taxes in Lexington, Middlesex, Massachusetts
Lexington's median effective property tax rate of 1.22% 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 Lexington. Homeowners in the 02421 ZIP code carry a median effective rate of 1.22%, while those in 02420 pay 1.22%. This spread reflects how school district boundaries and local assessment districts are drawn across Middlesex County. Understanding which part of Lexington you live in can make a meaningful difference to your annual tax bill.
Lexington 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 Lexington, 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 Lexington'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 Lexington 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 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 Lexington, Middlesex County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02420 | 1.22% | 1.22% | 1.22% | 1.22% | 1.22% |
| 02421 | 1.22% | 1.22% | 1.22% | 1.22% | 1.22% |
Source: Ownwell
Property Tax Assessment Values Across Lexington, Middlesex County, Massachusetts
When examining property taxes in Lexington, 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 May.
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. For example, the median home price in Lexington is $1,341,000, with tax bills ranging significantly across the county. ZIP code 02421 has the highest median home price at $1,373,000.
Property Tax Assessment Values Across Lexington, Middlesex County, Massachusetts
Source: Ownwell
$378,900
$1,063,575
$1,748,250
Median Lexington Market Value
$1,341,000
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 Lexington, Middlesex County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02420 | $758,000 | $991,000 | $1,304,000 | $1,838,750 | $2,477,000 |
| 02421 | $916,000 | $1,072,000 | $1,373,000 | $1,814,000 | $2,317,000 |
Source: Ownwell
Property Tax Bills Across Lexington, Middlesex County, Massachusetts
Property tax bills in Lexington are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. The bill reflects both the value of the home and the tax rate set by local authorities, so homeowners with higher-valued properties generally pay more.
With a median home price of $1,341,000, Lexington homeowners face property tax bills that are well above the national median property tax bill of $2,400. The 25th percentile tax bill is $12,658, while the 75th percentile is $22,302 and the 90th percentile reaches $29,156, showing how quickly costs can rise as home values increase.
These bills can have a major impact on household budgets, especially for homeowners in higher-value neighborhoods. Even small changes in assessed value or tax rates can lead to noticeable differences in what a homeowner owes each year.
Property Tax Bills Across Lexington, Middlesex County, Massachusetts
Source: Ownwell
$4,708
$12,022
$19,336
Median Lexington Tax Bill
$16,400
Median Middlesex County Tax Bill
$7,377
Median Massachusetts Tax Bill
$6,068
Median United States Tax Bill
$2,400
Property Tax Bills Across Lexington, Middlesex County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02420 | $9,270 | $12,120 | $15,948 | $22,488 | $30,294 |
| 02421 | $11,203 | $13,111 | $16,792 | $22,185 | $28,337 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 1 |
Links | |
|---|---|
| Middlesex Tax Assessor | |
| Website | www.masslandrecords.com |