21 Porter Rd
Boxford, MA 01921
4 bd 3 ba 3,612 sqft Built 1985 Lot 93,654 sqft single_family
Most recent sale
$970,000
Nov 17, 2023
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Nov 17, 2023 | Sold | $970,000 | MLSPIN |
| Oct 10, 2023 | Listed | $959,000 | MLSPIN |
| Sep 11, 2018 | Sold | $699,900 | MLSPIN |
| Jun 4, 2018 | Price changed | $699,900 | MLSPIN |
| May 7, 2018 | Price changed | $715,000 | MLSPIN |
| Apr 15, 2018 | Price changed | $724,900 | MLSPIN |
| Apr 6, 2018 | Price changed | $739,450 | MLSPIN |
| Mar 2, 2018 | Listed | $739,900 | MLSPIN |
| Jan 31, 2018 | Sold | $510,000 | MLSPIN |
| Jul 7, 2017 | Relisted | $549,900 | MLSPIN |
| Jul 1, 2017 | Listing removed | $564,900 | MLSPIN |
| May 16, 2017 | Price changed | $564,900 | MLSPIN |
| Apr 11, 2017 | Price changed | $584,900 | MLSPIN |
| Mar 27, 2017 | Listed | $599,900 | MLSPIN |
| Mar 25, 2017 | Listing removed | $599,900 | MLSPIN |
| Jan 17, 2017 | Price changed | $599,900 | MLSPIN |
| Dec 15, 2016 | Price changed | $624,900 | MLSPIN |
| Sep 30, 2016 | Price changed | $649,900 | MLSPIN |
| Aug 22, 2016 | Price changed | $659,900 | MLSPIN |
| Jul 12, 2016 | Price changed | $674,900 | MLSPIN |
| Jun 3, 2016 | Price changed | $689,900 | MLSPIN |
| Apr 25, 2016 | Relisted | $699,900 | MLSPIN |
| Apr 19, 2016 | Listing removed | $699,900 | MLSPIN |
| Apr 12, 2016 | Price changed | $699,900 | MLSPIN |
| Mar 8, 2016 | Price changed | $709,900 | MLSPIN |
| Jan 18, 2016 | Listed | $729,900 | MLSPIN |
| Oct 1, 2007 | Listing removed | $724,500 | MLSPIN |
| Apr 26, 2007 | Listed | $724,500 | MLSPIN |
| Jan 1, 2007 | Listing removed | $799,000 | MLSPIN |
| Sep 28, 2006 | Listed for rent | $3,000 | MLSPIN |
| Jun 21, 2006 | Listed | $799,000 | MLSPIN |
| Apr 10, 1998 | Sold | $419,900 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $516,500 | $441,400 | $957,900 | $12,884 |
| 2024 | $518,100 | $441,400 | $959,500 | $12,521 |
| 2023 | $418,400 | $394,200 | $812,600 | $11,246 |
| 2022 | $380,900 | $329,000 | $709,900 | $10,805 |
| 2021 | $342,700 | $299,300 | $642,000 | $10,278 |
| 2020 | $342,700 | $299,300 | $642,000 | $10,381 |
| 2019 | $359,200 | $285,000 | $644,200 | $10,488 |
| 2018 | $334,700 | $285,000 | $619,700 | $10,039 |
| 2017 | $328,900 | $271,500 | $600,400 | $9,793 |
| 2016 | $305,200 | $271,500 | $576,700 | $9,492 |
| 2015 | $311,400 | $271,500 | $582,900 | $9,321 |
| 2014 | $283,000 | $271,500 | $554,500 | $8,578 |
| 2006 | $340,700 | $357,900 | $698,600 | $7,105 |
| 2005 | $309,400 | $354,000 | $663,400 | $6,986 |
| 2004 | $283,300 | $270,700 | $554,000 | $6,798 |
| 2003 | $262,500 | $270,700 | $533,200 | $6,180 |
Property facts
Year built
1985
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
3,612 sqft
Lot size
93,654 sqft
ZIP code
01921
City
Boxford
Street
Porter Rd
Coordinates
42.70341, -71.05332
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$10,475
Gross rental yield
12.96%
Implied cap rate
8.42%
Trend-extrapolated value
—
Frequently asked questions
When did 21 Porter Rd last sell?
21 Porter Rd most recently sold on Nov 17, 2023 for $970,000.
What is the current tax assessment for 21 Porter Rd?
The most recent total assessment for 21 Porter Rd (year 2025) is $957,900 with $12,884 in property tax.
How does 21 Porter Rd's assessment compare to its last sale price?
The current assessment is 1.2% below the last sale price of $970,000.
When was 21 Porter Rd built?
21 Porter Rd was built in 1985.
How does 21 Porter Rd compare to others on Porter Rd?
We track 8 other properties on Porter Rd. Browse the list under "Other properties on Porter Rd" to compare beds, baths, and sale history.
What are the property facts for 21 Porter Rd?
21 Porter Rd is a 4 bed, 3 bath, 3,612 sqft, 93,654 sqft lot single_family.
Is 21 Porter Rd a flip candidate?
Yes — 21 Porter Rd appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 21 Porter Rd a tax-appeal candidate?
No — 21 Porter 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
+3.3%
Implied 1-yr
+13.2%
2026 Q3
$1.78M
2026 Q4
$1.8M
ZIP 01921 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Porter Rd