28 Dennett St
Portsmouth, NH 03801
3 bd 3 ba 2,240 sqft Built 1794 Lot 14,810 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 | $1,041,600 | $655,900 | $1,697,500 | $19,538 |
| 2023 | $586,400 | $408,400 | $994,800 | $16,046 |
| 2022 | $586,400 | $408,400 | $994,800 | $15,121 |
| 2021 | $498,800 | $408,400 | $907,200 | $13,635 |
| 2020 | $498,800 | $408,400 | $907,200 | $13,336 |
| 2019 | $498,800 | $408,400 | $907,200 | $13,481 |
| 2018 | $445,900 | $371,200 | $817,100 | $12,943 |
| 2017 | $436,300 | $371,200 | $807,500 | $12,419 |
| 2016 | $347,700 | $263,600 | $611,300 | $10,417 |
| 2015 | $271,800 | $263,600 | $535,400 | $8,989 |
| 2014 | $258,400 | $214,400 | $472,800 | $8,558 |
| 2011 | $258,400 | $214,400 | $472,800 | $8,198 |
| 2007 | $301,200 | $177,700 | $478,900 | $7,825 |
Property facts
Year built
1794
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
2,240 sqft
Lot size
14,810 sqft
ZIP code
03801
City
Portsmouth
Street
Dennett St
Coordinates
43.07943, -70.76747
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 28 Dennett St last sell?
No public-record sale is on file for 28 Dennett St.
What is the current tax assessment for 28 Dennett St?
The most recent total assessment for 28 Dennett St (year 2025) is $1,697,500 with $19,538 in property tax.
When was 28 Dennett St built?
28 Dennett St was built in 1794.
How does 28 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 28 Dennett St?
28 Dennett St is a 3 bed, 3 bath, 2,240 sqft, 14,810 sqft lot single_family.
Is 28 Dennett St a flip candidate?
No — 28 Dennett St does not appear in our flips dataset.
Is 28 Dennett St a tax-appeal candidate?
No — 28 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