138 Union Ave
Sudbury, MA 01776
4 bd 3 ba 2,143 sqft Built 1999 Lot 43,996 sqft single_family
Most recent sale
$462,500
Feb 25, 2000
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Dec 21, 2022 | Sold | $875,000 | MLSPIN |
| Nov 10, 2022 | Price changed | $875,000 | MLSPIN |
| Oct 7, 2022 | Price changed | $919,000 | MLS #73009142 |
| Aug 10, 2022 | Price changed | $999,000 | MLS #73009142 |
| Jul 8, 2022 | Listed | $1,149,000 | MLS #73009142 |
| Feb 25, 2000 | Sold | $462,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $613,900 | $382,600 | $996,500 | $14,589 |
| 2024 | $589,900 | $371,400 | $961,300 | $14,045 |
| 2023 | $495,300 | $357,000 | $852,300 | $13,441 |
| 2022 | $403,900 | $327,800 | $731,700 | $13,207 |
| 2021 | $340,800 | $327,800 | $668,600 | $12,590 |
| 2020 | $340,800 | $327,800 | $668,600 | $12,336 |
| 2019 | $340,800 | $327,800 | $668,600 | $11,975 |
| 2018 | $312,100 | $317,800 | $629,900 | $11,294 |
| 2017 | $309,300 | $314,600 | $623,900 | $11,068 |
| 2016 | $300,700 | $302,600 | $603,300 | $10,739 |
| 2015 | $294,900 | $276,700 | $571,600 | $10,060 |
| 2014 | $289,200 | $268,700 | $557,900 | $10,059 |
| 2006 | $326,600 | $223,900 | $550,500 | $7,459 |
| 2005 | $317,600 | $201,700 | $519,300 | $6,990 |
| 2004 | $317,600 | $201,700 | $519,300 | $6,990 |
| 2003 | — | — | $398,900 | $6,694 |
Property facts
Year built
1999
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,143 sqft
Lot size
43,996 sqft
ZIP code
01776
City
Sudbury
Street
Union Ave
Coordinates
42.36918, -71.41829
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 138 Union Ave last sell?
138 Union Ave most recently sold on Feb 25, 2000 for $462,500.
What is the current tax assessment for 138 Union Ave?
The most recent total assessment for 138 Union Ave (year 2025) is $996,500 with $14,589 in property tax.
How does 138 Union Ave's assessment compare to its last sale price?
The current assessment is 115.5% above the last sale price of $462,500.
When was 138 Union Ave built?
138 Union Ave was built in 1999.
How does 138 Union Ave compare to others on Union Ave?
We track 3 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 138 Union Ave?
138 Union Ave is a 4 bed, 3 bath, 2,143 sqft, 43,996 sqft lot single_family.
Is 138 Union Ave a flip candidate?
No — 138 Union Ave does not appear in our flips dataset.
Is 138 Union Ave a tax-appeal candidate?
No — 138 Union 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
-4.0%
Implied 1-yr
-16.0%
2026 Q2
$1.09M
2026 Q3
$1.03M
ZIP 01776 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave