171 Union St
Portsmouth, NH 03801
7 bd 3 ba 2,193 sqft Built 1820 Lot 1,742 sqft multi_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Sep 25, 2024 | Sold | $975,000 | Public Record |
| Apr 29, 2022 | Sold | $850,000 | Public Record |
| May 3, 2004 | Sold | $550,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $485,200 | $406,200 | $891,400 | $10,260 |
| 2023 | $379,400 | $235,500 | $614,900 | $9,918 |
| 2022 | $379,400 | $235,500 | $614,900 | $9,346 |
| 2021 | $379,400 | $235,500 | $614,900 | $9,242 |
| 2020 | $379,400 | $235,500 | $614,900 | $9,039 |
| 2019 | $384,100 | $235,500 | $619,600 | $9,207 |
| 2018 | $348,400 | $230,100 | $578,500 | $9,163 |
| 2017 | $348,400 | $192,700 | $541,100 | $8,322 |
| 2016 | $274,200 | $148,300 | $422,500 | $7,199 |
| 2015 | $274,200 | $148,300 | $422,500 | $7,094 |
| 2014 | $229,500 | $154,300 | $383,800 | $6,947 |
| 2011 | $229,500 | $154,300 | $383,800 | $6,655 |
| 2007 | $168,500 | $105,200 | $273,700 | $4,472 |
Property facts
Year built
1820
Property type
multi_family
Stories
2
Beds
7
Baths
3
Living area
2,193 sqft
Lot size
1,742 sqft
ZIP code
03801
City
Portsmouth
Street
Union St
Coordinates
43.07088, -70.76513
Comparable properties nearby
Frequently asked questions
When did 171 Union St last sell?
No public-record sale is on file for 171 Union St.
What is the current tax assessment for 171 Union St?
The most recent total assessment for 171 Union St (year 2025) is $891,400 with $10,260 in property tax.
When was 171 Union St built?
171 Union St was built in 1820.
How does 171 Union St compare to others on Union St?
We track 8 other properties on Union St. Browse the list under "Other properties on Union St" to compare beds, baths, and sale history.
What are the property facts for 171 Union St?
171 Union St is a 7 bed, 3 bath, 2,193 sqft, 1,742 sqft lot multi_family.
Is 171 Union St a flip candidate?
No — 171 Union St does not appear in our flips dataset.
Is 171 Union St a tax-appeal candidate?
No — 171 Union St 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 Union St