18 Congress St
Portsmouth, NH 03801
— ba 2,424 sqft Built 2006 other
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 | $1,075,600 | — | $1,075,600 | $12,380 |
| 2023 | $544,600 | — | $544,600 | $8,784 |
| 2022 | $544,600 | — | $544,600 | $8,278 |
| 2021 | $544,600 | — | $544,600 | $8,185 |
| 2020 | $544,600 | — | $544,600 | $8,006 |
| 2019 | $544,600 | — | $544,600 | $8,093 |
| 2018 | $538,400 | — | $538,400 | $8,528 |
| 2017 | $538,400 | — | $538,400 | $8,281 |
| 2016 | $535,100 | — | $535,100 | $9,118 |
| 2015 | $535,100 | — | $535,100 | $8,984 |
| 2014 | $481,900 | — | $481,900 | $8,722 |
| 2011 | $387,000 | — | $387,000 | $6,710 |
| 2007 | $431,400 | — | $431,400 | $7,049 |
Property facts
Year built
2006
Property type
other
Stories
1
Beds
—
Baths
—
Living area
2,424 sqft
Lot size
—
ZIP code
03801
City
Portsmouth
Street
Congress St
Coordinates
43.07651, -70.75832
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 18 Congress St last sell?
No public-record sale is on file for 18 Congress St.
What is the current tax assessment for 18 Congress St?
The most recent total assessment for 18 Congress St (year 2025) is $1,075,600 with $12,380 in property tax.
When was 18 Congress St built?
18 Congress St was built in 2006.
How does 18 Congress St compare to others on Congress St?
We track 8 other properties on Congress St. Browse the list under "Other properties on Congress St" to compare beds, baths, and sale history.
What are the property facts for 18 Congress St?
18 Congress St is a — bath, 2,424 sqft other.
Is 18 Congress St a flip candidate?
No — 18 Congress St does not appear in our flips dataset.
Is 18 Congress St a tax-appeal candidate?
No — 18 Congress 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 Congress St