21 Mountain St
Whitehall, NY 12887
5 bd 2 ba 2,800 sqft Built 1850 Lot 27,459 sqft multi_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 | $74,100 | $31,300 | $105,400 | $3,108 |
| 2024 | $57,200 | $18,200 | $75,400 | $3,090 |
| 2023 | $57,200 | $18,200 | $75,400 | $3,003 |
| 2022 | $57,200 | $18,200 | $75,400 | $2,958 |
| 2021 | $57,200 | $18,200 | $75,400 | $3,020 |
| 2020 | $97,200 | $18,200 | $115,400 | $4,193 |
| 2017 | $97,200 | $18,200 | $115,400 | $4,615 |
| 2016 | $97,200 | $18,200 | $115,400 | $4,556 |
| 2015 | $97,200 | $18,200 | $115,400 | $4,542 |
| 2014 | $97,200 | $18,200 | $115,400 | $4,483 |
| 2013 | $97,200 | $18,200 | $115,400 | $4,342 |
| 2012 | $97,200 | $18,200 | $115,400 | $4,213 |
| 2011 | $97,200 | $18,200 | $115,400 | $4,276 |
| 2010 | $105,900 | $18,200 | $124,100 | $2,807 |
| 2009 | $89,700 | $18,200 | $107,900 | $1 |
Property facts
Year built
1850
Property type
multi_family
Stories
2
Beds
5
Baths
2
Living area
2,800 sqft
Lot size
27,459 sqft
ZIP code
12887
City
Whitehall
Street
Mountain St
Coordinates
43.55492, -73.39762
Comparable properties nearby
Frequently asked questions
When did 21 Mountain St last sell?
No public-record sale is on file for 21 Mountain St.
What is the current tax assessment for 21 Mountain St?
The most recent total assessment for 21 Mountain St (year 2025) is $105,400 with $3,108 in property tax.
When was 21 Mountain St built?
21 Mountain St was built in 1850.
How does 21 Mountain St compare to others on Mountain St?
We track 8 other properties on Mountain St. Browse the list under "Other properties on Mountain St" to compare beds, baths, and sale history.
What are the property facts for 21 Mountain St?
21 Mountain St is a 5 bed, 2 bath, 2,800 sqft, 27,459 sqft lot multi_family.
Is 21 Mountain St a flip candidate?
No — 21 Mountain St does not appear in our flips dataset.
Is 21 Mountain St a tax-appeal candidate?
No — 21 Mountain 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
-5.6%
Implied 1-yr
-22.6%
2026 Q3
$98.1K
2026 Q4
$89.3K
ZIP 12887 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain St