660 Dennett St
Portsmouth, NH 03801
4 bd 2 ba 1,816 sqft Built 1942 Lot 7,841 sqft multi_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 | $286,300 | $378,300 | $664,600 | $7,650 |
| 2023 | $201,900 | $259,800 | $461,700 | $7,447 |
| 2022 | $201,900 | $259,800 | $461,700 | $7,018 |
| 2021 | $201,900 | $259,800 | $461,700 | $6,939 |
| 2020 | $201,900 | $259,800 | $461,700 | $6,787 |
| 2019 | $201,900 | $259,800 | $461,700 | $6,861 |
| 2018 | $190,600 | $236,200 | $426,800 | $6,761 |
| 2017 | $190,600 | $236,200 | $426,800 | $6,564 |
| 2016 | $169,600 | $186,600 | $356,200 | $6,070 |
| 2015 | $169,600 | $186,600 | $356,200 | $5,981 |
| 2014 | $138,300 | $152,300 | $290,600 | $5,260 |
| 2011 | $138,300 | $152,300 | $290,600 | $5,039 |
| 2007 | $152,000 | $125,600 | $277,600 | $4,536 |
Property facts
Year built
1942
Property type
multi_family
Stories
2
Beds
4
Baths
2
Living area
1,816 sqft
Lot size
7,841 sqft
ZIP code
03801
City
Portsmouth
Street
Dennett St
Coordinates
43.07427, -70.77662
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 660 Dennett St last sell?
No public-record sale is on file for 660 Dennett St.
What is the current tax assessment for 660 Dennett St?
The most recent total assessment for 660 Dennett St (year 2025) is $664,600 with $7,650 in property tax.
When was 660 Dennett St built?
660 Dennett St was built in 1942.
How does 660 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 660 Dennett St?
660 Dennett St is a 4 bed, 2 bath, 1,816 sqft, 7,841 sqft lot multi_family.
Is 660 Dennett St a flip candidate?
No — 660 Dennett St does not appear in our flips dataset.
Is 660 Dennett St a tax-appeal candidate?
No — 660 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