21 Rock Ave
Swampscott, MA 01907
4 bd 3 ba 2,371 sqft Built 1867 Lot 9,191 sqft multi_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 | $402,900 | $275,500 | $678,400 | $7,781 |
| 2024 | $399,200 | $262,300 | $661,500 | $7,601 |
| 2023 | $385,400 | $242,900 | $628,300 | $7,376 |
| 2022 | $364,000 | $213,800 | $577,800 | $7,413 |
| 2021 | $309,300 | $184,600 | $493,900 | $6,816 |
| 2020 | $260,400 | $174,900 | $435,300 | $6,225 |
| 2019 | $260,400 | $155,500 | $415,900 | $6,322 |
| 2018 | $250,700 | $155,500 | $406,200 | $6,499 |
| 2017 | $235,100 | $126,300 | $361,400 | $6,306 |
| 2016 | $225,300 | $116,600 | $341,900 | $5,925 |
| 2015 | $225,300 | $116,600 | $341,900 | $5,864 |
| 2014 | $205,400 | $97,200 | $302,600 | $5,659 |
| 2006 | $234,000 | $170,000 | $404,000 | $4,925 |
| 2005 | $226,200 | $155,500 | $381,700 | $4,309 |
| 2004 | $195,000 | $136,000 | $331,000 | $4,012 |
| 2003 | $171,600 | $102,000 | $273,600 | $3,699 |
Property facts
Year built
1867
Property type
multi_family
Stories
3
Beds
4
Baths
3
Living area
2,371 sqft
Lot size
9,191 sqft
ZIP code
01907
City
Swampscott
Street
Rock Ave
Coordinates
42.46920, -70.92180
Comparable properties nearby
Frequently asked questions
When did 21 Rock Ave last sell?
No public-record sale is on file for 21 Rock Ave.
What is the current tax assessment for 21 Rock Ave?
The most recent total assessment for 21 Rock Ave (year 2025) is $678,400 with $7,781 in property tax.
When was 21 Rock Ave built?
21 Rock Ave was built in 1867.
How does 21 Rock Ave compare to others on Rock Ave?
We track 3 other properties on Rock Ave. Browse the list under "Other properties on Rock Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Rock Ave?
21 Rock Ave is a 4 bed, 3 bath, 2,371 sqft, 9,191 sqft lot multi_family.
Is 21 Rock Ave a flip candidate?
No — 21 Rock Ave does not appear in our flips dataset.
Is 21 Rock Ave a tax-appeal candidate?
No — 21 Rock 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
+0.5%
Implied 1-yr
+2.1%
2026 Q2
$1.01M
2026 Q3
$1.02M
ZIP 01907 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Rock Ave