21 Harrison Ave
Portsmouth, NH 03801
3 bd 1 ba 1,032 sqft Built 1955 Lot 16,117 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 | $215,600 | $300,000 | $515,600 | $5,935 |
| 2023 | $139,700 | $183,400 | $323,100 | $5,212 |
| 2022 | $151,200 | $183,400 | $334,600 | $5,086 |
| 2021 | $151,200 | $183,400 | $334,600 | $5,029 |
| 2020 | $151,200 | $183,400 | $334,600 | $4,919 |
| 2019 | $151,200 | $183,400 | $334,600 | $4,972 |
| 2018 | $124,400 | $166,700 | $291,100 | $4,611 |
| 2017 | $124,400 | $181,900 | $306,300 | $4,711 |
| 2016 | $104,200 | $159,600 | $263,800 | $4,495 |
| 2015 | $104,200 | $159,600 | $263,800 | $4,429 |
| 2014 | $93,500 | $162,500 | $256,000 | $4,634 |
| 2011 | $93,500 | $162,500 | $256,000 | $4,439 |
| 2007 | $102,200 | $136,100 | $238,300 | $3,894 |
Property facts
Year built
1955
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,032 sqft
Lot size
16,117 sqft
ZIP code
03801
City
Portsmouth
Street
Harrison Ave
Coordinates
43.04040, -70.76974
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Harrison Ave last sell?
No public-record sale is on file for 21 Harrison Ave.
What is the current tax assessment for 21 Harrison Ave?
The most recent total assessment for 21 Harrison Ave (year 2025) is $515,600 with $5,935 in property tax.
When was 21 Harrison Ave built?
21 Harrison Ave was built in 1955.
How does 21 Harrison Ave compare to others on Harrison Ave?
We track 8 other properties on Harrison Ave. Browse the list under "Other properties on Harrison Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Harrison Ave?
21 Harrison Ave is a 3 bed, 1 bath, 1,032 sqft, 16,117 sqft lot single_family.
Is 21 Harrison Ave a flip candidate?
No — 21 Harrison Ave does not appear in our flips dataset.
Is 21 Harrison Ave a tax-appeal candidate?
No — 21 Harrison 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 Harrison Ave