379 New Castle Ave
Portsmouth, NH 03801
3 bd 2 ba 1,760 sqft Built 1850 Lot 8,712 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 | $1,135,900 | $1,084,300 | $2,220,200 | $25,555 |
| 2023 | $794,200 | $716,600 | $1,510,800 | $24,369 |
| 2022 | $794,200 | $716,600 | $1,510,800 | $22,964 |
| 2021 | $832,700 | $716,600 | $1,549,300 | $23,286 |
| 2020 | $340,800 | $716,600 | $1,057,400 | $15,544 |
| 2019 | $229,700 | $716,600 | $946,300 | $14,062 |
| 2018 | $206,400 | $626,300 | $832,700 | $13,190 |
| 2017 | $206,400 | $626,300 | $832,700 | $12,807 |
| 2016 | $186,300 | $574,400 | $760,700 | $12,962 |
| 2015 | $164,500 | $574,400 | $738,900 | $12,406 |
| 2014 | $137,500 | $546,000 | $683,500 | $12,371 |
| 2011 | $137,500 | $546,000 | $683,500 | $12,120 |
| 2007 | $252,400 | $333,500 | $585,900 | $9,574 |
Property facts
Year built
1850
Property type
single_family
Stories
2
Beds
3
Baths
2
Living area
1,760 sqft
Lot size
8,712 sqft
ZIP code
03801
City
Portsmouth
Street
New Castle Ave
Coordinates
43.07097, -70.74516
Comparable properties nearby
Frequently asked questions
When did 379 New Castle Ave last sell?
No public-record sale is on file for 379 New Castle Ave.
What is the current tax assessment for 379 New Castle Ave?
The most recent total assessment for 379 New Castle Ave (year 2025) is $2,220,200 with $25,555 in property tax.
When was 379 New Castle Ave built?
379 New Castle Ave was built in 1850.
How does 379 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 379 New Castle Ave?
379 New Castle Ave is a 3 bed, 2 bath, 1,760 sqft, 8,712 sqft lot single_family.
Is 379 New Castle Ave a flip candidate?
No — 379 New Castle Ave does not appear in our flips dataset.
Is 379 New Castle Ave a tax-appeal candidate?
No — 379 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