28 New Castle Ave
Portsmouth, NH 03801
3 bd 3 ba 3,580 sqft Built 1913 Lot 50,530 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 15, 2025 | Sold | $3,125,000 | PrimeMLS |
| Jun 14, 2025 | Listed | $3,100,000 | PrimeMLS |
| Oct 31, 2022 | Sold | $1,300,000 | PrimeMLS |
| Sep 14, 2022 | Listed | $1,699,000 | MLS #4929515 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,639,100 | $911,300 | $2,550,400 | $29,355 |
| 2023 | $218,600 | $533,200 | $751,800 | $12,127 |
| 2022 | $325,500 | $533,200 | $858,700 | $13,052 |
| 2021 | $325,500 | $533,200 | $858,700 | $12,906 |
| 2020 | $325,500 | $533,200 | $858,700 | $12,623 |
| 2019 | $325,500 | $533,200 | $858,700 | $12,760 |
| 2018 | $290,000 | $417,600 | $707,600 | $11,208 |
| 2017 | $290,000 | $417,600 | $707,600 | $10,883 |
| 2016 | $257,100 | $357,700 | $614,800 | $10,476 |
| 2015 | $257,100 | $357,700 | $614,800 | $10,322 |
| 2014 | $254,600 | $316,400 | $571,000 | $10,335 |
| 2011 | $251,900 | $316,400 | $568,300 | $9,854 |
| 2007 | $264,500 | $323,900 | $588,400 | $9,614 |
Property facts
Year built
1913
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
3,580 sqft
Lot size
50,530 sqft
ZIP code
03801
City
Portsmouth
Street
New Castle Ave
Coordinates
43.06958, -70.75166
Comparable properties nearby
Frequently asked questions
When did 28 New Castle Ave last sell?
No public-record sale is on file for 28 New Castle Ave.
What is the current tax assessment for 28 New Castle Ave?
The most recent total assessment for 28 New Castle Ave (year 2025) is $2,550,400 with $29,355 in property tax.
When was 28 New Castle Ave built?
28 New Castle Ave was built in 1913.
How does 28 New Castle Ave compare to others on New Castle Ave?
We track 8 other properties on New Castle Ave. Browse the list under "Other properties on New Castle Ave" to compare beds, baths, and sale history.
What are the property facts for 28 New Castle Ave?
28 New Castle Ave is a 3 bed, 3 bath, 3,580 sqft, 50,530 sqft lot single_family.
Is 28 New Castle Ave a flip candidate?
No — 28 New Castle Ave does not appear in our flips dataset.
Is 28 New Castle Ave a tax-appeal candidate?
No — 28 New Castle Ave 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 New Castle Ave