9 Prospect St
Portsmouth, NH 03801
1 bd 1 ba 757 sqft Built 1890 condos
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 | $374,300 | — | $374,300 | $4,308 |
| 2023 | $233,100 | — | $233,100 | $3,760 |
| 2022 | $233,100 | — | $233,100 | $3,543 |
| 2021 | $259,300 | — | $259,300 | $3,897 |
| 2020 | $259,300 | — | $259,300 | $3,812 |
| 2019 | $259,300 | — | $259,300 | $3,853 |
| 2018 | $241,500 | — | $241,500 | $3,825 |
| 2017 | $241,500 | — | $241,500 | $3,714 |
| 2016 | $202,500 | — | $202,500 | $3,451 |
| 2015 | $202,500 | — | $202,500 | $3,400 |
| 2014 | $169,700 | — | $169,700 | $3,072 |
| 2011 | $180,100 | — | $180,100 | $3,122 |
| 2007 | $160,800 | — | $160,800 | $2,627 |
Property facts
Year built
1890
Property type
condos
Stories
3
Beds
1
Baths
1
Living area
757 sqft
Lot size
—
ZIP code
03801
City
Portsmouth
Street
Prospect St
Coordinates
43.08030, -70.76865
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 9 Prospect St last sell?
No public-record sale is on file for 9 Prospect St.
What is the current tax assessment for 9 Prospect St?
The most recent total assessment for 9 Prospect St (year 2025) is $374,300 with $4,308 in property tax.
When was 9 Prospect St built?
9 Prospect St was built in 1890.
How does 9 Prospect St compare to others on Prospect St?
We track 8 other properties on Prospect St. Browse the list under "Other properties on Prospect St" to compare beds, baths, and sale history.
What are the property facts for 9 Prospect St?
9 Prospect St is a 1 bed, 1 bath, 757 sqft condos.
Is 9 Prospect St a flip candidate?
No — 9 Prospect St does not appear in our flips dataset.
Is 9 Prospect St a tax-appeal candidate?
No — 9 Prospect 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 Prospect St