23 Mountain Ave
Hillburn, NY 10931
4 bd 1 ba 1,312 sqft Built 1890 Lot 5,227 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 | $28,300 | $7,600 | $35,900 | $13,122 |
| 2024 | $28,300 | $7,600 | $35,900 | $10,866 |
| 2023 | $28,300 | $7,600 | $35,900 | $12,445 |
| 2022 | $28,300 | $7,600 | $35,900 | $11,948 |
| 2021 | $28,300 | $7,600 | $35,900 | $10,658 |
| 2020 | $28,300 | $7,600 | $35,900 | $7,111 |
| 2018 | $28,300 | $7,600 | $35,900 | $10,397 |
| 2016 | $28,300 | $7,600 | $35,900 | $9,732 |
| 2015 | $28,300 | $7,600 | $35,900 | $9,356 |
| 2014 | $28,300 | $7,600 | $35,900 | $10,504 |
| 2013 | $28,300 | $7,600 | $35,900 | $8,420 |
| 2012 | $28,300 | $7,600 | $35,900 | $8,000 |
| 2010 | $28,300 | $7,600 | $35,900 | $6,529 |
Property facts
Year built
1890
Property type
single_family
Stories
2
Beds
4
Baths
1
Living area
1,312 sqft
Lot size
5,227 sqft
ZIP code
10931
City
Hillburn
Street
Mountain Ave
Coordinates
41.12352, -74.16973
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 23 Mountain Ave last sell?
No public-record sale is on file for 23 Mountain Ave.
What is the current tax assessment for 23 Mountain Ave?
The most recent total assessment for 23 Mountain Ave (year 2025) is $35,900 with $13,122 in property tax.
When was 23 Mountain Ave built?
23 Mountain Ave was built in 1890.
How does 23 Mountain Ave compare to others on Mountain Ave?
We track 7 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 23 Mountain Ave?
23 Mountain Ave is a 4 bed, 1 bath, 1,312 sqft, 5,227 sqft lot single_family.
Is 23 Mountain Ave a flip candidate?
No — 23 Mountain Ave does not appear in our flips dataset.
Is 23 Mountain Ave a tax-appeal candidate?
No — 23 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
+9.7%
Implied 1-yr
+38.7%
2025 Q2
$631.1K
2025 Q3
$670.9K
ZIP 10931 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mountain Ave