613 Union St
Portsmouth, NH 03801
6 bd 3 ba 5,605 sqft Built 1899 Lot 70,567 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 | $2,145,700 | $808,000 | $2,953,700 | $33,997 |
| 2023 | $1,182,900 | $478,600 | $1,661,500 | $26,800 |
| 2022 | $1,182,900 | $478,600 | $1,661,500 | $25,255 |
| 2021 | $1,182,900 | $478,600 | $1,661,500 | $24,972 |
| 2020 | $1,171,300 | $478,600 | $1,649,900 | $24,254 |
| 2019 | $1,218,000 | $478,600 | $1,696,600 | $25,211 |
| 2018 | $1,092,300 | $434,900 | $1,527,200 | $24,191 |
| 2017 | $1,092,300 | $434,900 | $1,527,200 | $23,488 |
| 2016 | $964,300 | $381,900 | $1,346,200 | $22,939 |
| 2015 | $964,300 | $381,900 | $1,346,200 | $22,603 |
| 2014 | $732,500 | $310,900 | $1,043,400 | $18,886 |
| 2011 | $811,800 | $310,900 | $1,122,700 | $18,618 |
| 2007 | $710,200 | $275,200 | $985,400 | $16,101 |
Property facts
Year built
1899
Property type
single_family
Stories
3
Beds
6
Baths
3
Living area
5,605 sqft
Lot size
70,567 sqft
ZIP code
03801
City
Portsmouth
Street
Union St
Coordinates
43.06586, -70.76126
Comparable properties nearby
Frequently asked questions
When did 613 Union St last sell?
No public-record sale is on file for 613 Union St.
What is the current tax assessment for 613 Union St?
The most recent total assessment for 613 Union St (year 2025) is $2,953,700 with $33,997 in property tax.
When was 613 Union St built?
613 Union St was built in 1899.
How does 613 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 613 Union St?
613 Union St is a 6 bed, 3 bath, 5,605 sqft, 70,567 sqft lot single_family.
Is 613 Union St a flip candidate?
No — 613 Union St does not appear in our flips dataset.
Is 613 Union St a tax-appeal candidate?
No — 613 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