21 Flagg Rd
Westford, MA 01886
3 bd 3 ba 2,133 sqft Built 1972 Lot 40,075 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 | $327,200 | $346,500 | $673,700 | $9,075 |
| 2023 | $284,000 | $314,100 | $598,100 | $8,828 |
| 2021 | $275,900 | $276,400 | $552,300 | $8,521 |
| 2020 | $237,300 | $276,400 | $513,700 | $8,389 |
| 2019 | $218,800 | $276,400 | $495,200 | $8,201 |
| 2018 | $218,800 | $266,700 | $485,500 | $7,855 |
| 2016 | $193,900 | $254,700 | $448,600 | $7,312 |
| 2015 | $196,200 | $235,100 | $431,300 | $7,004 |
| 2014 | $186,300 | $236,800 | $423,100 | $7,023 |
| 2006 | $253,500 | $248,400 | $501,900 | $6,485 |
| 2005 | $209,400 | $237,100 | $446,500 | $6,108 |
| 2004 | $198,700 | $222,400 | $421,100 | $5,895 |
| 2003 | $191,900 | $193,100 | $385,000 | $5,586 |
Property facts
Year built
1972
Property type
single_family
Stories
—
Beds
3
Baths
3
Living area
2,133 sqft
Lot size
40,075 sqft
ZIP code
01886
City
Westford
Street
Flagg Rd
Coordinates
42.57513, -71.45214
Comparable properties nearby
Frequently asked questions
When did 21 Flagg Rd last sell?
No public-record sale is on file for 21 Flagg Rd.
What is the current tax assessment for 21 Flagg Rd?
The most recent total assessment for 21 Flagg Rd (year 2025) is $673,700 with $9,075 in property tax.
When was 21 Flagg Rd built?
21 Flagg Rd was built in 1972.
How does 21 Flagg Rd compare to others on Flagg Rd?
We track 8 other properties on Flagg Rd. Browse the list under "Other properties on Flagg Rd" to compare beds, baths, and sale history.
What are the property facts for 21 Flagg Rd?
21 Flagg Rd is a 3 bed, 3 bath, 2,133 sqft, 40,075 sqft lot single_family.
Is 21 Flagg Rd a flip candidate?
No — 21 Flagg Rd does not appear in our flips dataset.
Is 21 Flagg Rd a tax-appeal candidate?
No — 21 Flagg Rd is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.7%
Implied 1-yr
+2.9%
2026 Q3
$847K
2026 Q4
$852.9K
ZIP 01886 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Flagg Rd