640 Middle St
Portsmouth, NH 03801
4 bd 4 ba 3,769 sqft Built 1902 Lot 14,375 sqft single_family
Most recent sale
$2,675,000
Sep 30, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Feb 3, 2025 | Sold | $3,100,000 | PrimeMLS |
| Nov 16, 2024 | Price changed | $3,300,000 | PrimeMLS |
| Sep 19, 2024 | Listed | $3,499,000 | PrimeMLS |
| Sep 30, 2022 | Sold | $2,675,000 | Public Record |
| Jul 15, 2022 | Price changed | $2,800,000 | MLS #4915575 |
| Jun 15, 2022 | Listed | $2,950,000 | MLS #4915575 |
| Sep 4, 2015 | Listing removed | $750,000 | PrimeMLS |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $2,223,500 | $583,200 | $2,806,700 | $32,305 |
| 2023 | $1,274,900 | $372,400 | $1,647,300 | $26,571 |
| 2022 | $1,252,100 | $372,400 | $1,624,500 | $24,692 |
| 2021 | $774,200 | $372,400 | $1,146,600 | $17,233 |
| 2020 | $774,200 | $372,400 | $1,146,600 | $16,855 |
| 2019 | $705,800 | $372,400 | $1,078,200 | $16,022 |
| 2018 | $632,300 | $323,400 | $955,700 | $15,138 |
| 2017 | $632,300 | $278,300 | $910,600 | $14,005 |
| 2016 | $561,500 | $243,500 | $805,000 | $13,717 |
| 2015 | $410,600 | $299,800 | $710,400 | — |
| 2014 | $404,200 | $299,800 | $704,000 | — |
| 2007 | $456,600 | $218,700 | $675,300 | $11,034 |
Property facts
Year built
1902
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
3,769 sqft
Lot size
14,375 sqft
ZIP code
03801
City
Portsmouth
Street
Middle St
Coordinates
43.06861, -70.76642
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$16,050
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 640 Middle St last sell?
640 Middle St most recently sold on Sep 30, 2022 for $2,675,000.
What is the current tax assessment for 640 Middle St?
The most recent total assessment for 640 Middle St (year 2025) is $2,806,700 with $32,305 in property tax.
How does 640 Middle St's assessment compare to its last sale price?
The current assessment is 4.9% above the last sale price of $2,675,000.
When was 640 Middle St built?
640 Middle St was built in 1902.
How does 640 Middle St compare to others on Middle St?
We track 8 other properties on Middle St. Browse the list under "Other properties on Middle St" to compare beds, baths, and sale history.
What are the property facts for 640 Middle St?
640 Middle St is a 4 bed, 4 bath, 3,769 sqft, 14,375 sqft lot single_family.
Is 640 Middle St a flip candidate?
No — 640 Middle St does not appear in our flips dataset.
Is 640 Middle St a tax-appeal candidate?
No — 640 Middle 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 Middle St