107 Union St
Portsmouth, NH 03801
4 bd 2 ba 1,445 sqft Built 1870 townhomes
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 | $891,900 | — | $891,900 | $10,266 |
| 2023 | $554,600 | — | $554,600 | $8,946 |
| 2022 | $554,600 | — | $554,600 | $8,430 |
| 2021 | $554,600 | — | $554,600 | $8,336 |
| 2020 | $554,600 | — | $554,600 | $8,153 |
| 2019 | $554,600 | — | $554,600 | $8,241 |
| 2018 | $406,800 | — | $406,800 | $6,444 |
| 2017 | $406,800 | — | $406,800 | $6,257 |
| 2016 | $340,500 | — | $340,500 | $5,802 |
| 2015 | $340,500 | — | $340,500 | $5,717 |
| 2014 | $317,600 | — | $317,600 | $5,749 |
| 2011 | $317,600 | — | $317,600 | $5,507 |
| 2007 | $273,300 | — | $273,300 | $4,466 |
Property facts
Year built
1870
Property type
townhomes
Stories
3
Beds
4
Baths
2
Living area
1,445 sqft
Lot size
—
ZIP code
03801
City
Portsmouth
Street
Union St
Coordinates
43.07152, -70.76604
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 107 Union St last sell?
No public-record sale is on file for 107 Union St.
What is the current tax assessment for 107 Union St?
The most recent total assessment for 107 Union St (year 2025) is $891,900 with $10,266 in property tax.
When was 107 Union St built?
107 Union St was built in 1870.
How does 107 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 107 Union St?
107 Union St is a 4 bed, 2 bath, 1,445 sqft townhomes.
Is 107 Union St a flip candidate?
No — 107 Union St does not appear in our flips dataset.
Is 107 Union St a tax-appeal candidate?
No — 107 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