21 Madison St
Portsmouth, NH 03801
4 bd 2 ba 1,634 sqft Built 1900 Lot 3,485 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 | $509,800 | $458,700 | $968,500 | $11,147 |
| 2023 | $289,000 | $265,900 | $554,900 | $8,951 |
| 2022 | $289,000 | $265,900 | $554,900 | $8,434 |
| 2021 | $289,000 | $265,900 | $554,900 | $8,340 |
| 2020 | $289,000 | $265,900 | $554,900 | $8,157 |
| 2019 | $289,400 | $265,900 | $555,300 | $8,252 |
| 2018 | $258,300 | $259,800 | $518,100 | $8,207 |
| 2017 | $258,300 | $217,500 | $475,800 | $7,318 |
| 2016 | $229,400 | $164,800 | $394,200 | $6,717 |
| 2015 | $229,400 | $164,800 | $394,200 | $6,619 |
| 2014 | $226,700 | $170,300 | $397,000 | $7,186 |
| 2011 | $227,300 | $170,300 | $397,600 | $6,894 |
| 2007 | $227,400 | $120,700 | $348,100 | $5,688 |
Property facts
Year built
1900
Property type
single_family
Stories
2
Beds
4
Baths
2
Living area
1,634 sqft
Lot size
3,485 sqft
ZIP code
03801
City
Portsmouth
Street
Madison St
Coordinates
43.06969, -70.76486
Comparable properties nearby
Frequently asked questions
When did 21 Madison St last sell?
No public-record sale is on file for 21 Madison St.
What is the current tax assessment for 21 Madison St?
The most recent total assessment for 21 Madison St (year 2025) is $968,500 with $11,147 in property tax.
When was 21 Madison St built?
21 Madison St was built in 1900.
How does 21 Madison St compare to others on Madison St?
We track 8 other properties on Madison St. Browse the list under "Other properties on Madison St" to compare beds, baths, and sale history.
What are the property facts for 21 Madison St?
21 Madison St is a 4 bed, 2 bath, 1,634 sqft, 3,485 sqft lot single_family.
Is 21 Madison St a flip candidate?
No — 21 Madison St does not appear in our flips dataset.
Is 21 Madison St a tax-appeal candidate?
No — 21 Madison 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 Madison St