111 New Castle Ave
Portsmouth, NH 03801
4 bd 4 ba 2,537 sqft Built 1900 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 | $1,396,500 | $887,700 | $2,284,200 | $26,291 |
| 2023 | $759,700 | $588,000 | $1,347,700 | $21,738 |
| 2022 | $759,700 | $588,000 | $1,347,700 | $20,485 |
| 2021 | $759,700 | $588,000 | $1,347,700 | $20,256 |
| 2020 | $759,700 | $588,000 | $1,347,700 | $19,811 |
| 2019 | $759,700 | $588,000 | $1,347,700 | $20,027 |
| 2018 | $680,600 | $460,700 | $1,141,300 | $18,078 |
| 2017 | $390,300 | $425,200 | $815,500 | $12,542 |
| 2016 | $353,000 | $311,100 | $664,100 | $11,316 |
| 2015 | $368,300 | $311,100 | $679,400 | $11,407 |
| 2014 | $366,600 | $309,500 | $676,100 | $12,237 |
| 2011 | $366,600 | $309,500 | $676,100 | $11,723 |
| 2007 | $252,300 | $281,100 | $533,400 | $8,716 |
Property facts
Year built
1900
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
2,537 sqft
Lot size
8,712 sqft
ZIP code
03801
City
Portsmouth
Street
New Castle Ave
Coordinates
43.07045, -70.74999
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 111 New Castle Ave last sell?
No public-record sale is on file for 111 New Castle Ave.
What is the current tax assessment for 111 New Castle Ave?
The most recent total assessment for 111 New Castle Ave (year 2025) is $2,284,200 with $26,291 in property tax.
When was 111 New Castle Ave built?
111 New Castle Ave was built in 1900.
How does 111 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 111 New Castle Ave?
111 New Castle Ave is a 4 bed, 4 bath, 2,537 sqft, 8,712 sqft lot single_family.
Is 111 New Castle Ave a flip candidate?
No — 111 New Castle Ave does not appear in our flips dataset.
Is 111 New Castle Ave a tax-appeal candidate?
No — 111 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