21 High St
Ayer, MA 01432
5 bd 4 ba 3,350 sqft Built 1940 Lot 7,405 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 | $439,200 | $133,700 | $572,900 | $6,852 |
| 2024 | $397,400 | $152,700 | $550,100 | $6,739 |
| 2023 | $365,000 | $142,600 | $507,600 | $6,304 |
| 2021 | $278,300 | $112,000 | $390,300 | $5,519 |
| 2020 | $274,600 | $108,500 | $383,100 | $5,402 |
| 2019 | $251,900 | $103,400 | $355,300 | $4,843 |
| 2018 | $236,000 | $100,300 | $336,300 | $4,853 |
| 2017 | $226,200 | $97,400 | $323,600 | $4,657 |
| 2016 | $258,500 | $98,200 | $356,700 | $5,183 |
| 2015 | $246,900 | $98,200 | $345,100 | $5,045 |
| 2013 | $229,000 | $106,900 | $335,900 | $4,578 |
Property facts
Year built
1940
Property type
single_family
Stories
—
Beds
5
Baths
4
Living area
3,350 sqft
Lot size
7,405 sqft
ZIP code
01432
City
Ayer
Street
High St
Coordinates
42.56099, -71.58273
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 High St last sell?
No public-record sale is on file for 21 High St.
What is the current tax assessment for 21 High St?
The most recent total assessment for 21 High St (year 2025) is $572,900 with $6,852 in property tax.
When was 21 High St built?
21 High St was built in 1940.
How does 21 High St compare to others on High St?
We track 6 other properties on High St. Browse the list under "Other properties on High St" to compare beds, baths, and sale history.
What are the property facts for 21 High St?
21 High St is a 5 bed, 4 bath, 3,350 sqft, 7,405 sqft lot single_family.
Is 21 High St a flip candidate?
No — 21 High St does not appear in our flips dataset.
Is 21 High St a tax-appeal candidate?
No — 21 High 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
+0.2%
Implied 1-yr
+0.7%
2026 Q3
$569.9K
2026 Q4
$569.9K
ZIP 01432 — Median Price History + Forecast
Explore nearby
Geography
Other properties on High St