285 Union St
Portsmouth, NH 03801
3 bd 2 ba 2,016 sqft Built 1880 Lot 4,356 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 | $491,400 | $579,000 | $1,070,400 | $12,320 |
| 2023 | $277,500 | $344,600 | $622,100 | $10,034 |
| 2022 | $277,500 | $344,600 | $622,100 | $9,456 |
| 2021 | $277,500 | $344,600 | $622,100 | $9,350 |
| 2020 | $254,200 | $344,600 | $598,800 | $8,802 |
| 2019 | $252,100 | $344,600 | $596,700 | $8,867 |
| 2018 | $179,600 | $313,300 | $492,900 | $7,808 |
| 2017 | $179,600 | $313,300 | $492,900 | $7,581 |
| 2016 | $189,500 | $239,400 | $428,900 | $7,308 |
| 2015 | $198,600 | $239,400 | $438,000 | $7,354 |
| 2014 | $162,400 | $211,000 | $373,400 | $6,759 |
| 2011 | $158,900 | $211,000 | $369,900 | $6,414 |
| 2007 | $212,400 | $152,200 | $364,600 | $5,958 |
Property facts
Year built
1880
Property type
single_family
Stories
3
Beds
3
Baths
2
Living area
2,016 sqft
Lot size
4,356 sqft
ZIP code
03801
City
Portsmouth
Street
Union St
Coordinates
43.06968, -70.76359
Comparable properties nearby
Frequently asked questions
When did 285 Union St last sell?
No public-record sale is on file for 285 Union St.
What is the current tax assessment for 285 Union St?
The most recent total assessment for 285 Union St (year 2025) is $1,070,400 with $12,320 in property tax.
When was 285 Union St built?
285 Union St was built in 1880.
How does 285 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 285 Union St?
285 Union St is a 3 bed, 2 bath, 2,016 sqft, 4,356 sqft lot single_family.
Is 285 Union St a flip candidate?
No — 285 Union St does not appear in our flips dataset.
Is 285 Union St a tax-appeal candidate?
No — 285 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