57 Mason Ave
Portsmouth, NH 03801
2 bd 1 ba 1,260 sqft Built 1940 Lot 9,148 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 | $218,400 | $261,900 | $480,300 | $5,528 |
| 2023 | $137,100 | $158,800 | $295,900 | $4,773 |
| 2022 | $136,700 | $158,800 | $295,500 | $4,492 |
| 2021 | $136,700 | $158,800 | $295,500 | $4,441 |
| 2020 | $136,700 | $158,800 | $295,500 | $4,344 |
| 2019 | $136,700 | $158,800 | $295,500 | $4,391 |
| 2018 | $122,500 | $144,300 | $266,800 | $4,226 |
| 2017 | $122,500 | $144,300 | $266,800 | $4,103 |
| 2016 | $103,700 | $123,700 | $227,400 | $3,875 |
| 2015 | $103,700 | $123,700 | $227,400 | $3,818 |
| 2014 | $102,400 | $131,800 | $234,200 | $4,239 |
| 2011 | $102,600 | $131,800 | $234,400 | $3,564 |
| 2007 | $108,300 | $114,900 | $223,200 | $3,647 |
Property facts
Year built
1940
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
1,260 sqft
Lot size
9,148 sqft
ZIP code
03801
City
Portsmouth
Street
Mason Ave
Coordinates
43.06457, -70.79957
Comparable properties nearby
Frequently asked questions
When did 57 Mason Ave last sell?
No public-record sale is on file for 57 Mason Ave.
What is the current tax assessment for 57 Mason Ave?
The most recent total assessment for 57 Mason Ave (year 2025) is $480,300 with $5,528 in property tax.
When was 57 Mason Ave built?
57 Mason Ave was built in 1940.
How does 57 Mason Ave compare to others on Mason Ave?
We track 3 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 57 Mason Ave?
57 Mason Ave is a 2 bed, 1 bath, 1,260 sqft, 9,148 sqft lot single_family.
Is 57 Mason Ave a flip candidate?
No — 57 Mason Ave does not appear in our flips dataset.
Is 57 Mason Ave a tax-appeal candidate?
No — 57 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
+0.5%
Implied 1-yr
+2.1%
2026 Q3
$1.3M
2026 Q4
$1.31M
ZIP 03801 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mason Ave