21 Swan Ln
Billerica, MA 01821
3 bd 2 ba 2,060 sqft Built 1996 Lot 16,988 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 | $344,300 | $291,000 | $635,300 | $7,223 |
| 2024 | $334,100 | $272,500 | $606,600 | $6,849 |
| 2023 | $317,200 | $244,100 | $561,300 | $6,663 |
| 2022 | $268,800 | $212,300 | $481,100 | $6,081 |
| 2021 | $260,300 | $192,400 | $452,700 | $5,885 |
| 2020 | $259,000 | $184,900 | $443,900 | $5,766 |
| 2019 | $227,100 | $181,500 | $408,600 | $5,508 |
| 2018 | $205,900 | $158,900 | $364,800 | $5,177 |
| 2017 | $193,900 | $157,500 | $351,400 | $4,951 |
| 2016 | $189,700 | $145,500 | $335,200 | $4,740 |
| 2015 | $189,700 | $145,500 | $335,200 | $4,706 |
| 2014 | $192,400 | $134,900 | $327,300 | $4,677 |
| 2006 | $220,500 | $160,100 | $380,600 | $4,038 |
| 2005 | $190,100 | $145,800 | $335,900 | $3,695 |
| 2004 | $189,900 | $128,100 | $318,000 | $3,473 |
| 2003 | $176,500 | $106,700 | $283,200 | $3,132 |
Property facts
Year built
1996
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
2,060 sqft
Lot size
16,988 sqft
ZIP code
01821
City
Billerica
Street
Swan Ln
Coordinates
42.54144, -71.26589
Comparable properties nearby
Frequently asked questions
When did 21 Swan Ln last sell?
No public-record sale is on file for 21 Swan Ln.
What is the current tax assessment for 21 Swan Ln?
The most recent total assessment for 21 Swan Ln (year 2025) is $635,300 with $7,223 in property tax.
When was 21 Swan Ln built?
21 Swan Ln was built in 1996.
How does 21 Swan Ln compare to others on Swan Ln?
We track 2 other properties on Swan Ln. Browse the list under "Other properties on Swan Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Swan Ln?
21 Swan Ln is a 3 bed, 2 bath, 2,060 sqft, 16,988 sqft lot single_family.
Is 21 Swan Ln a flip candidate?
No — 21 Swan Ln does not appear in our flips dataset.
Is 21 Swan Ln a tax-appeal candidate?
No — 21 Swan 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
+5.8%
2026 Q3
$731.3K
2026 Q4
$741K
ZIP 01821 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Swan Ln