555 Dennett St
Portsmouth, NH 03801
3 bd 1 ba 1,928 sqft Built 1900 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 | $482,800 | $332,300 | $815,100 | $9,382 |
| 2023 | $270,700 | $228,200 | $498,900 | $8,047 |
| 2022 | $270,700 | $228,200 | $498,900 | $7,583 |
| 2021 | $270,700 | $228,200 | $498,900 | $7,498 |
| 2020 | $270,700 | $228,200 | $498,900 | $7,334 |
| 2019 | $270,700 | $228,200 | $498,900 | $7,414 |
| 2018 | $240,400 | $207,500 | $447,900 | $7,095 |
| 2017 | $240,400 | $207,500 | $447,900 | $6,889 |
| 2016 | $212,300 | $162,800 | $375,100 | $6,392 |
| 2015 | $212,300 | $162,800 | $375,100 | $6,298 |
| 2014 | $170,600 | $137,500 | $308,100 | $5,577 |
| 2011 | $150,900 | $137,500 | $288,400 | $4,500 |
| 2007 | $246,000 | $112,100 | $358,100 | $5,851 |
Property facts
Year built
1900
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
1,928 sqft
Lot size
4,792 sqft
ZIP code
03801
City
Portsmouth
Street
Dennett St
Coordinates
43.07569, -70.77547
Comparable properties nearby
Frequently asked questions
When did 555 Dennett St last sell?
No public-record sale is on file for 555 Dennett St.
What is the current tax assessment for 555 Dennett St?
The most recent total assessment for 555 Dennett St (year 2025) is $815,100 with $9,382 in property tax.
When was 555 Dennett St built?
555 Dennett St was built in 1900.
How does 555 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 555 Dennett St?
555 Dennett St is a 3 bed, 1 bath, 1,928 sqft, 4,792 sqft lot single_family.
Is 555 Dennett St a flip candidate?
No — 555 Dennett St does not appear in our flips dataset.
Is 555 Dennett St a tax-appeal candidate?
No — 555 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
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