1 Sylvester St
Portsmouth, NH 03801
4 bd 3 ba 2,184 sqft Built 1931 Lot 16,117 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 | $381,100 | $320,700 | $701,800 | $8,078 |
| 2023 | $254,900 | $179,000 | $433,900 | $6,999 |
| 2022 | $254,900 | $179,000 | $433,900 | $6,595 |
| 2021 | $254,900 | $179,000 | $433,900 | $6,522 |
| 2020 | $254,900 | $179,000 | $433,900 | $6,378 |
| 2019 | $254,900 | $179,000 | $433,900 | $6,448 |
| 2018 | $277,400 | $172,800 | $450,200 | $7,131 |
| 2017 | $229,100 | $158,400 | $387,500 | $5,960 |
| 2016 | $218,100 | $143,900 | $362,000 | $6,168 |
| 2015 | $178,100 | $143,900 | $322,000 | $5,406 |
| 2014 | $127,500 | $147,100 | $274,600 | $4,970 |
| 2011 | $126,800 | $147,100 | $273,900 | $4,749 |
| 2007 | $147,100 | $126,300 | $273,400 | $4,467 |
Property facts
Year built
1931
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,184 sqft
Lot size
16,117 sqft
ZIP code
03801
City
Portsmouth
Street
Sylvester St
Coordinates
43.05958, -70.77675
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 1 Sylvester St last sell?
No public-record sale is on file for 1 Sylvester St.
What is the current tax assessment for 1 Sylvester St?
The most recent total assessment for 1 Sylvester St (year 2025) is $701,800 with $8,078 in property tax.
When was 1 Sylvester St built?
1 Sylvester St was built in 1931.
How does 1 Sylvester St compare to others on Sylvester St?
We track 4 other properties on Sylvester St. Browse the list under "Other properties on Sylvester St" to compare beds, baths, and sale history.
What are the property facts for 1 Sylvester St?
1 Sylvester St is a 4 bed, 3 bath, 2,184 sqft, 16,117 sqft lot single_family.
Is 1 Sylvester St a flip candidate?
No — 1 Sylvester St does not appear in our flips dataset.
Is 1 Sylvester St a tax-appeal candidate?
No — 1 Sylvester 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 Sylvester St