9 Kay St
Westborough, MA 01581
4 bd 2 ba 1,736 sqft Built 1961 Lot 18,731 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $400,400 | $330,700 | $731,100 | $11,910 |
| 2024 | $377,200 | $314,800 | $692,000 | $11,356 |
| 2023 | $350,400 | $296,800 | $647,200 | $10,899 |
| 2022 | $306,600 | $243,000 | $549,600 | $10,162 |
| 2021 | $278,300 | $219,100 | $497,400 | $9,222 |
| 2020 | $270,900 | $215,100 | $486,000 | $8,904 |
| 2019 | $252,700 | $213,100 | $465,800 | $8,538 |
| 2018 | $224,200 | $205,100 | $429,300 | $7,925 |
| 2017 | $224,200 | $205,100 | $429,300 | $7,642 |
| 2016 | $222,400 | $199,200 | $421,600 | $7,492 |
| 2015 | $203,900 | $187,200 | $391,100 | $7,271 |
| 2014 | $203,300 | $187,200 | $390,500 | $7,533 |
| 2006 | $197,300 | $210,300 | $407,600 | $5,649 |
| 2005 | $152,900 | $171,300 | $324,200 | $4,659 |
| 2004 | $159,000 | $141,000 | $300,000 | $4,161 |
| 2003 | $152,900 | $141,000 | $293,900 | $3,903 |
Property facts
Year built
1961
Property type
single_family
Stories
—
Beds
4
Baths
2
Living area
1,736 sqft
Lot size
18,731 sqft
ZIP code
01581
City
Westborough
Street
Kay St
Coordinates
42.24500, -71.63790
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 9 Kay St last sell?
No public-record sale is on file for 9 Kay St.
What is the current tax assessment for 9 Kay St?
The most recent total assessment for 9 Kay St (year 2025) is $731,100 with $11,910 in property tax.
When was 9 Kay St built?
9 Kay St was built in 1961.
How does 9 Kay St compare to others on Kay St?
We track 6 other properties on Kay St. Browse the list under "Other properties on Kay St" to compare beds, baths, and sale history.
What are the property facts for 9 Kay St?
9 Kay St is a 4 bed, 2 bath, 1,736 sqft, 18,731 sqft lot single_family.
Is 9 Kay St a flip candidate?
No — 9 Kay St does not appear in our flips dataset.
Is 9 Kay St a tax-appeal candidate?
No — 9 Kay St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-3.8%
Implied 1-yr
-15.3%
2026 Q2
$487.6K
2026 Q3
$462.9K
ZIP 01581 — Median Price History + Forecast
Explore nearby
Geography