320 South St
Portsmouth, NH 03801
5 bd 3 ba 3,560 sqft Built 1903 Lot 15,682 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 | $1,160,900 | $629,100 | $1,790,000 | $20,603 |
| 2023 | $561,700 | $374,600 | $936,300 | $15,103 |
| 2022 | $561,700 | $374,600 | $936,300 | $14,232 |
| 2021 | $561,700 | $374,600 | $936,300 | $14,073 |
| 2020 | $561,700 | $374,600 | $936,300 | $13,764 |
| 2019 | $516,400 | $374,600 | $891,000 | $13,240 |
| 2018 | $463,000 | $340,500 | $803,500 | $12,727 |
| 2017 | $463,000 | $340,500 | $803,500 | $12,358 |
| 2016 | $413,300 | $286,700 | $700,000 | $11,928 |
| 2015 | $413,300 | $286,700 | $700,000 | $11,753 |
| 2014 | $372,000 | $250,200 | $622,200 | $11,262 |
| 2011 | $363,200 | $250,200 | $613,400 | $10,636 |
| 2007 | $387,400 | $194,600 | $582,000 | $9,510 |
Property facts
Year built
1903
Property type
single_family
Stories
3
Beds
5
Baths
3
Living area
3,560 sqft
Lot size
15,682 sqft
ZIP code
03801
City
Portsmouth
Street
South St
Coordinates
43.06896, -70.75352
Comparable properties nearby
Frequently asked questions
When did 320 South St last sell?
No public-record sale is on file for 320 South St.
What is the current tax assessment for 320 South St?
The most recent total assessment for 320 South St (year 2025) is $1,790,000 with $20,603 in property tax.
When was 320 South St built?
320 South St was built in 1903.
How does 320 South St compare to others on South St?
We track 8 other properties on South St. Browse the list under "Other properties on South St" to compare beds, baths, and sale history.
What are the property facts for 320 South St?
320 South St is a 5 bed, 3 bath, 3,560 sqft, 15,682 sqft lot single_family.
Is 320 South St a flip candidate?
No — 320 South St does not appear in our flips dataset.
Is 320 South St a tax-appeal candidate?
No — 320 South 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 South St