523 Dennett St
Portsmouth, NH 03801
3 bd 1 ba 1,092 sqft Built 1939 Lot 4,792 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 | $263,300 | $348,600 | $611,900 | $7,043 |
| 2023 | $148,000 | $239,500 | $387,500 | $6,250 |
| 2022 | $148,000 | $239,500 | $387,500 | $5,890 |
| 2021 | $148,000 | $239,500 | $387,500 | $5,824 |
| 2020 | $148,000 | $239,500 | $387,500 | $5,696 |
| 2019 | $148,000 | $239,500 | $387,500 | $5,758 |
| 2018 | $131,500 | $217,700 | $349,200 | $5,531 |
| 2017 | $131,500 | $217,700 | $349,200 | $5,371 |
| 2016 | $116,300 | $162,300 | $278,600 | $4,747 |
| 2015 | $116,300 | $162,300 | $278,600 | $4,678 |
| 2014 | $92,200 | $137,200 | $229,400 | $4,152 |
| 2011 | $90,500 | $137,200 | $227,700 | $3,448 |
| 2007 | $127,000 | $111,600 | $238,600 | $3,899 |
Property facts
Year built
1939
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
1,092 sqft
Lot size
4,792 sqft
ZIP code
03801
City
Portsmouth
Street
Dennett St
Coordinates
43.07580, -70.77531
Comparable properties nearby
Frequently asked questions
When did 523 Dennett St last sell?
No public-record sale is on file for 523 Dennett St.
What is the current tax assessment for 523 Dennett St?
The most recent total assessment for 523 Dennett St (year 2025) is $611,900 with $7,043 in property tax.
When was 523 Dennett St built?
523 Dennett St was built in 1939.
How does 523 Dennett St compare to others on Dennett St?
We track 8 other properties on Dennett St. Browse the list under "Other properties on Dennett St" to compare beds, baths, and sale history.
What are the property facts for 523 Dennett St?
523 Dennett St is a 3 bed, 1 bath, 1,092 sqft, 4,792 sqft lot single_family.
Is 523 Dennett St a flip candidate?
No — 523 Dennett St does not appear in our flips dataset.
Is 523 Dennett St a tax-appeal candidate?
No — 523 Dennett 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 Dennett St