01581 Property Tax Rate
Westborough, Massachusetts · Part of Worcester County
Effective Tax Rate
1.53%
70.4% above state avgMedian Annual Tax
$9,765
$814/mo escrow
Estimate Your Tax
Annual Tax
$9,765
Monthly
$814
Eff. Rate
1.53%
Buyer decision brief
What ZIP 01581 means for your housing budget
Use this ZIP page to compare recurring tax burden before you compare listing prices. The numbers below are Census ZCTA estimates, so they are strongest for neighborhood comparison and weakest for parcel-specific tax planning.
Monthly escrow signal
$814/mo
Based on median annual tax paid
State context
0.40 percentage points above the Massachusetts average
Massachusetts average: 1.13%
Data confidence
High confidenceThe Census margin of error is $387, about 4% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Worcester County assessor.
- Check homestead, senior, veteran, and disability exemptions.
- Ask whether purchase triggers reassessment or value-cap reset.
- Review school district and special assessment boundaries.
Lower-rate similar ZIPs
This is informational content, not tax, legal, or mortgage advice. Local assessor records remain the source of truth for a specific property.
Data confidence ledger
Can you trust ZIP 01581 for comparison?
ACS vintage
2019-2023 ACS 5-Year Estimates
Five-year Census ZCTA estimates.
ZCTA caveat
Census area, not parcel boundary
USPS ZIP routes and taxing districts can differ inside the same area.
Field completeness
3/3 required fields
Median tax, home value, and derived rate are present.
MOE status
Strong ACS confidence
$387 tax MOE, 4% of the median tax estimate.
Last site refresh
March 10, 2026
Dataset and page-quality audit run locally before publication.
County fallback
County context only
Worcester County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 01581
Use the ZIP estimate to compare neighborhoods, then verify these parcel-level inputs before relying on a payment estimate.
Assessed value
The ZCTA median home value is $637,900, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 1.53%, derived from median tax paid divided by median home value.
Exemptions
Homestead, senior, veteran, disability, and local exemptions can reduce taxable value. Confirm eligibility before estimating escrow.
Reassessment
A purchase can change assessed value depending on Massachusetts and county rules. Ask how sale price affects the next assessment cycle.
Escrow impact
The median tax paid in this ZCTA equals about $814 per month before insurance, HOA dues, or special assessments.
Assessor verification
Worcester County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 01581 Compares
Median Annual Property Tax
ZIP 01581
1.53%
Effective rate
Massachusetts Avg
1.13%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in Massachusetts
Higher than 88% of ZIP codes in Massachusetts(88th percentile, 511 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 01581
Property owners in ZIP code 01581 (Westborough, Massachusetts) pay a median of $9,765/year in property taxes on homes valued at $637,900. This translates to an effective tax rate of 1.53%, which is 36% above the Massachusetts state average of 1.13%.
The monthly property tax burden for a median-valued home in 01581 is approximately $814, which factors into escrow payments on mortgages. This ZIP code is located within Worcester County. This is $4,033 more than the Massachusetts average of $5,732/year.
Compared to similar ZIP codes in Massachusetts, 01581 has lower property taxes. ZIP codes with similar effective rates include 01583 (1.53%) and 01013 (1.53%).
In Westborough, property taxes represent approximately 7.3% of the median household income of $134,474, providing context for the relative tax burden on homeowners in this area.
If you're considering purchasing a home in 01581, keep in mind that property taxes are based on the assessed value assigned by the local assessor, which may differ from the purchase price. In some states, properties are reassessed at or near the sale price upon transfer of ownership. For the most current tax information for a specific property, consult Worcester County's tax assessor directly.
Frequently Asked Questions
What is the property tax rate in ZIP code 01581?
How much are property taxes in Westborough, MA (01581)?
How does ZIP 01581 compare to the Massachusetts average?
What is the median home value in ZIP 01581?
What county is ZIP code 01581 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$387. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 01581 is part of Worcester County, Massachusetts. View the full county profile for broader context and more data.
View Worcester County on TaxByCounty →Why compare these ZIPs?
Better comparison set for ZIP 01581
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
01434
Devens, MA
0.65 percentage points lower than ZIP 01581.
Rate
0.89%
Tax
$4,179
Quality
71
01571
Dudley, MA
0.56 percentage points lower than ZIP 01581.
Rate
0.97%
Tax
$3,625
Quality
82
01368
Royalston, MA
0.54 percentage points lower than ZIP 01581.
Rate
1.00%
Tax
$3,236
Quality
82
01094
Wheelwright, MA
0.53 percentage points lower than ZIP 01581.
Rate
1.00%
Tax
$4,333
Quality
67
01068
Oakham, MA
0.48 percentage points lower than ZIP 01581.
Rate
1.06%
Tax
$4,006
Quality
82
01542
Rochdale, MA
0.46 percentage points lower than ZIP 01581.
Rate
1.07%
Tax
$4,073
Quality
82
01608
Worcester, MA
0.45 percentage points lower than ZIP 01581.
Rate
1.08%
Tax
$1,267
Quality
83
01756
Mendon, MA
0.45 percentage points lower than ZIP 01581.
Rate
1.09%
Tax
$6,572
Quality
82
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.
Estimates are informational only and should not be used as financial or legal advice.