21 Tammer Ln
Hopkinton, MA 01748
4 bd 4 ba 4,396 sqft Lot 94,265 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 | $791,500 | $386,800 | $1,178,300 | $16,708 |
| 2024 | $758,400 | $368,700 | $1,127,100 | $16,467 |
| 2023 | $701,000 | $304,800 | $1,005,800 | $15,902 |
| 2022 | $640,600 | $278,200 | $918,800 | $15,647 |
| 2021 | $620,000 | $270,300 | $890,300 | $15,206 |
| 2020 | $601,400 | $264,100 | $865,500 | $14,558 |
| 2019 | $565,100 | $259,400 | $824,500 | $14,157 |
| 2018 | $548,000 | $247,600 | $795,600 | $13,446 |
| 2017 | $513,700 | $241,000 | $754,700 | $12,679 |
| 2016 | $498,800 | $236,200 | $735,000 | $12,517 |
| 2015 | $465,700 | $229,600 | $695,300 | $12,488 |
| 2014 | $465,700 | $229,600 | $695,300 | $12,258 |
| 2006 | $506,500 | $253,800 | $760,300 | $9,481 |
| 2005 | $474,000 | $231,600 | $705,600 | $8,693 |
| 2004 | $508,700 | $185,400 | $694,100 | $8,954 |
| 2003 | $435,100 | $183,500 | $618,600 | $8,549 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
4,396 sqft
Lot size
94,265 sqft
ZIP code
01748
City
Hopkinton
Street
Tammer Ln
Coordinates
42.21251, -71.48164
Comparable properties nearby
Frequently asked questions
When did 21 Tammer Ln last sell?
No public-record sale is on file for 21 Tammer Ln.
What is the current tax assessment for 21 Tammer Ln?
The most recent total assessment for 21 Tammer Ln (year 2025) is $1,178,300 with $16,708 in property tax.
When was 21 Tammer Ln built?
The year built for 21 Tammer Ln is not in our records.
How does 21 Tammer Ln compare to others on Tammer Ln?
We track 7 other properties on Tammer Ln. Browse the list under "Other properties on Tammer Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Tammer Ln?
21 Tammer Ln is a 4 bed, 4 bath, 4,396 sqft, 94,265 sqft lot single_family.
Is 21 Tammer Ln a flip candidate?
No — 21 Tammer Ln does not appear in our flips dataset.
Is 21 Tammer Ln a tax-appeal candidate?
No — 21 Tammer Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.4%
Implied 1-yr
+5.6%
2026 Q3
$1.2M
2026 Q4
$1.21M
ZIP 01748 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Tammer Ln