20 Mason Ave
Billerica, MA 01862
4 bd 2 ba 1,810 sqft Built 1940 Lot 5,000 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 | $206,800 | $263,100 | $469,900 | $5,343 |
| 2024 | $182,600 | $259,500 | $442,100 | $4,991 |
| 2023 | $182,600 | $224,300 | $406,900 | $4,830 |
| 2022 | $161,500 | $193,300 | $354,800 | $4,485 |
| 2021 | $157,200 | $169,000 | $326,200 | $4,241 |
| 2020 | $157,200 | $162,300 | $319,500 | $4,150 |
| 2019 | $140,300 | $162,300 | $302,600 | $4,079 |
| 2018 | $136,100 | $142,800 | $278,900 | $3,958 |
| 2017 | $125,900 | $142,800 | $268,700 | $3,786 |
| 2016 | $123,100 | $132,000 | $255,100 | $3,607 |
| 2015 | $123,100 | $120,300 | $243,400 | $3,417 |
| 2014 | $118,900 | $121,500 | $240,400 | $3,435 |
| 2006 | $128,000 | $141,300 | $269,300 | $2,857 |
| 2005 | $116,200 | $128,400 | $244,600 | $2,691 |
| 2004 | $111,700 | $112,700 | $224,400 | $2,450 |
| 2003 | $116,000 | $90,200 | $206,200 | $2,281 |
Property facts
Year built
1940
Property type
single_family
Stories
—
Beds
4
Baths
2
Living area
1,810 sqft
Lot size
5,000 sqft
ZIP code
01862
City
Billerica
Street
Mason Ave
Coordinates
42.59351, -71.28475
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 20 Mason Ave last sell?
No public-record sale is on file for 20 Mason Ave.
What is the current tax assessment for 20 Mason Ave?
The most recent total assessment for 20 Mason Ave (year 2025) is $469,900 with $5,343 in property tax.
When was 20 Mason Ave built?
20 Mason Ave was built in 1940.
How does 20 Mason Ave compare to others on Mason Ave?
We track 7 other properties on Mason Ave. Browse the list under "Other properties on Mason Ave" to compare beds, baths, and sale history.
What are the property facts for 20 Mason Ave?
20 Mason Ave is a 4 bed, 2 bath, 1,810 sqft, 5,000 sqft lot single_family.
Is 20 Mason Ave a flip candidate?
No — 20 Mason Ave does not appear in our flips dataset.
Is 20 Mason Ave a tax-appeal candidate?
No — 20 Mason Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.2%
Implied 1-yr
+4.7%
2026 Q2
$697K
2026 Q3
$704.6K
ZIP 01862 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mason Ave