21 Mountain Ave
Middletown, NY 10940
2 bd 1 ba 672 sqft Built 1950 Lot 6,250 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 | $9,700 | $6,100 | $15,800 | $4,422 |
| 2024 | $9,200 | $6,100 | $15,300 | $4,248 |
| 2023 | $9,200 | $6,100 | $15,300 | $4,157 |
| 2022 | $9,200 | $6,100 | $15,300 | $4,126 |
| 2021 | $9,200 | $6,100 | $15,300 | $4,297 |
| 2020 | $9,200 | $6,100 | $15,300 | $1,771 |
| 2017 | $9,200 | $6,100 | $15,300 | $3,984 |
| 2016 | $9,200 | $6,100 | $15,300 | $3,995 |
| 2015 | $9,200 | $6,100 | $15,300 | $3,873 |
| 2014 | $9,200 | $6,100 | $15,300 | $3,853 |
| 2013 | $9,200 | $6,100 | $15,300 | $3,646 |
| 2012 | $9,200 | $6,100 | $15,300 | $3,644 |
| 2011 | $9,200 | $6,100 | $15,300 | $3,416 |
| 2010 | $9,200 | $6,100 | $15,300 | $3,290 |
| 2009 | $9,200 | $6,100 | $15,300 | $1,366 |
| 2007 | $9,200 | $6,100 | $15,300 | $1,319 |
Property facts
Year built
1950
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
672 sqft
Lot size
6,250 sqft
ZIP code
10940
City
Middletown
Street
Mountain Ave
Coordinates
41.44516, -74.43265
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Mountain Ave last sell?
No public-record sale is on file for 21 Mountain Ave.
What is the current tax assessment for 21 Mountain Ave?
The most recent total assessment for 21 Mountain Ave (year 2025) is $15,800 with $4,422 in property tax.
When was 21 Mountain Ave built?
21 Mountain Ave was built in 1950.
How does 21 Mountain Ave compare to others on Mountain Ave?
We track 8 other properties on Mountain Ave. Browse the list under "Other properties on Mountain Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Mountain Ave?
21 Mountain Ave is a 2 bed, 1 bath, 672 sqft, 6,250 sqft lot single_family.
Is 21 Mountain Ave a flip candidate?
No — 21 Mountain Ave does not appear in our flips dataset.
Is 21 Mountain Ave a tax-appeal candidate?
No — 21 Mountain Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.4%
Implied 1-yr
+1.4%
2026 Q3
$466.9K
2026 Q4
$468.6K
ZIP 10940 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain Ave