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401 Islington St

Portsmouth, NH 03801

2 bd 2 ba 1,112 sqft Built 1840 condo
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

YearBuildingLandTotal assessedTax paid
2025 $648,400 $648,400 $7,463
2023 $327,900 $327,900 $5,289
2022 $327,900 $327,900 $4,984
2021 $327,900 $327,900 $4,928
2020 $327,900 $327,900 $4,820
2019 $327,900 $327,900 $4,873
2018 $345,900 $345,900 $5,479
2017 $345,900 $345,900 $5,320
2016 $290,300 $290,300 $4,947
2015 $290,300 $290,300 $4,874
2014 $263,000 $263,000 $4,760
2011 $255,800 $255,800 $4,435

Property facts

Year built
1840
Property type
condo
Stories
3
Beds
2
Baths
2
Living area
1,112 sqft
Lot size
ZIP code
03801
City
Portsmouth
Street
Islington St
Coordinates
43.07267, -70.76767

Comparable properties nearby

Block-level micro-comps

Same street, ±3 house numbers, sold in the last 24 months

Frequently asked questions

When did 401 Islington St last sell?
No public-record sale is on file for 401 Islington St.
What is the current tax assessment for 401 Islington St?
The most recent total assessment for 401 Islington St (year 2025) is $648,400 with $7,463 in property tax.
When was 401 Islington St built?
401 Islington St was built in 1840.
How does 401 Islington St compare to others on Islington St?
We track 8 other properties on Islington St. Browse the list under "Other properties on Islington St" to compare beds, baths, and sale history.
What are the property facts for 401 Islington St?
401 Islington St is a 2 bed, 2 bath, 1,112 sqft condo.
Is 401 Islington St a flip candidate?
No — 401 Islington St does not appear in our flips dataset.
Is 401 Islington St a tax-appeal candidate?
No — 401 Islington St is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
+0.5%
Implied 1-yr
+2.1%
2026 Q3
$1.3M
2026 Q4
$1.31M
ZIP 03801 — Median Price History + Forecast

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