Ayer, Middlesex County, Massachusetts Property Taxes
Median AYER, MA effective property tax rate: 1.24%, significantly higher than the national median of 1.02%, but slightly higher than the Massachusetts state median of 1.23%.
Median AYER, MA home value: $383,500
Median annual AYER, MA tax bill: $4,762, $2,362 higher than the national median property tax bill of $2,400.
How are property taxes in Middlesex calculated?
Property taxes in AYER, MA 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 AYER’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in AYER, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Ayer, Middlesex County, Massachusetts Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.24%
Estimate Property Tax Bill
$4,755
$4,413
Property Tax Rates Across Ayer, Middlesex County, Massachusetts
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 Ayer’s effective property tax rate to other cities in Massachusetts and the median property tax rates in Massachusetts and the U.S.
Ayer, situated in Middlesex County, has a median property tax rate of 1.24%, which is above the national median of 1.02%. This reflects the local government's need to fund services such as education, public safety, and infrastructure. When compared to the national median property tax bill of $2,400, Ayer residents may find their tax obligations slightly higher due to the above-average tax rate. However, this also indicates a robust investment in community services and infrastructure. Understanding how these rates are determined can empower property owners to make informed decisions about tax appeals and exemptions.
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 Ayer Tax Rate
1.24%
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
1.22%
Median Effective Massachusetts Tax Rate
1.23%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Ayer, Middlesex County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
01432 | 1.24% | 1.24% | 1.24% | 1.24% | 1.24% |
Source: Ownwell
Property Tax Assessment Values Across Ayer, Middlesex County, Massachusetts
When examining property taxes in Ayer, MA, 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 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 Middlesex 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 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 Ayer. For example, the median home price in Ayer is $383,500, with tax bills ranging significantly across the county. Zip code 01432 has the highest median home price at $383,500.
Property Tax Assessment Values Across Ayer, Middlesex County, Massachusetts
Source: Ownwell

$320,300
$928,425
$1,536,550
Median Ayer Market Value
$383,500
Median Middlesex County Market Value
$633,600
Median Massachusetts Market Value
$492,600
Median United States Market Value
$235,294
Property Tax Assessment Values Across Ayer, Middlesex County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
01432 | $224,100 | $296,700 | $383,500 | $496,450 | $589,960 |
Source: Ownwell
Property Tax Bills Across Ayer, Middlesex County, Massachusetts
Median Ayer Tax Bill
$4,762
Median Middlesex County Tax Bill
$7,427
Median Massachusetts Tax Bill
$5,844
Median United States Tax Bill
$2,400
Property Tax Bills Across Ayer, Middlesex County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
01432 | $2,783 | $3,689 | $4,762 | $6,161 | $7,325 |
Source: Ownwell