18 Porter St
Portsmouth, NH 03801
3 bd 3 ba 2,612 sqft Built 2003 Lot 1,307 sqft condos
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 | $794,800 | $609,500 | $1,404,300 | $16,163 |
| 2023 | $699,900 | $357,100 | $1,057,000 | $17,049 |
| 2022 | $699,900 | $357,100 | $1,057,000 | $16,066 |
| 2021 | $699,900 | $357,100 | $1,057,000 | $15,887 |
| 2020 | $665,000 | $357,100 | $1,022,100 | $15,025 |
| 2019 | $665,000 | $446,300 | $1,111,300 | $16,514 |
| 2018 | $602,600 | $349,800 | $952,400 | $15,086 |
| 2017 | $539,900 | $349,800 | $889,700 | $13,684 |
| 2016 | $482,500 | $214,700 | $697,200 | $11,880 |
| 2015 | $482,500 | $214,700 | $697,200 | $11,706 |
| 2014 | $488,100 | $206,900 | $695,000 | $12,580 |
| 2011 | $488,100 | $206,900 | $695,000 | $12,051 |
| 2007 | $611,600 | $113,700 | $725,300 | $11,851 |
Property facts
Year built
2003
Property type
condos
Stories
4
Beds
3
Baths
3
Living area
2,612 sqft
Lot size
1,307 sqft
ZIP code
03801
City
Portsmouth
Street
Porter St
Coordinates
43.07630, -70.75813
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 18 Porter St last sell?
No public-record sale is on file for 18 Porter St.
What is the current tax assessment for 18 Porter St?
The most recent total assessment for 18 Porter St (year 2025) is $1,404,300 with $16,163 in property tax.
When was 18 Porter St built?
18 Porter St was built in 2003.
How does 18 Porter St compare to others on Porter St?
We track 7 other properties on Porter St. Browse the list under "Other properties on Porter St" to compare beds, baths, and sale history.
What are the property facts for 18 Porter St?
18 Porter St is a 3 bed, 3 bath, 2,612 sqft, 1,307 sqft lot condos.
Is 18 Porter St a flip candidate?
No — 18 Porter St does not appear in our flips dataset.
Is 18 Porter St a tax-appeal candidate?
No — 18 Porter 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 Porter St