861 Montauk Ave
Islip Terrace, NY 11752
5 bd 3 ba 3,341 sqft Built 1919 Lot 29,621 sqft single_family
Most recent sale
$740,000
Dec 15, 2021
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Dec 15, 2021 | Sold | $740,000 | MLS #3354051 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $46,700 | $9,700 | $56,400 | $17,299 |
| 2024 | $46,700 | $9,700 | $56,400 | $16,636 |
| 2023 | $46,700 | $9,700 | $56,400 | $16,636 |
| 2022 | $46,700 | $9,700 | $56,400 | $16,482 |
| 2021 | $46,700 | $9,700 | $56,400 | $16,103 |
| 2020 | $46,700 | $9,700 | $56,400 | $15,905 |
| 2019 | $46,700 | $9,700 | $56,400 | $15,905 |
| 2018 | $46,700 | $9,700 | $56,400 | $14,635 |
| 2017 | $49,900 | $9,700 | $59,600 | $15,432 |
| 2016 | $49,900 | $9,700 | $59,600 | $15,408 |
| 2015 | $49,900 | $9,700 | $59,600 | $15,473 |
| 2014 | $49,900 | $9,700 | $59,600 | $15,474 |
| 2013 | $49,900 | $9,700 | $59,600 | $14,678 |
| 2012 | $49,900 | $9,700 | $59,600 | $13,980 |
| 2011 | $49,900 | $9,700 | $59,600 | $13,219 |
| 2010 | $49,900 | $9,700 | $59,600 | $13,136 |
| 2009 | $49,900 | $9,700 | $59,600 | $13,053 |
| 2008 | $49,900 | $9,700 | $59,600 | $12,078 |
| 2007 | $49,900 | $9,700 | $59,600 | $12,078 |
Property facts
Year built
1919
Property type
single_family
Stories
—
Beds
5
Baths
3
Living area
3,341 sqft
Lot size
29,621 sqft
ZIP code
11752
City
Islip Terrace
Street
Montauk Ave
Coordinates
40.76511, -73.16839
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$4,440
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 861 Montauk Ave last sell?
861 Montauk Ave most recently sold on Dec 15, 2021 for $740,000.
What is the current tax assessment for 861 Montauk Ave?
The most recent total assessment for 861 Montauk Ave (year 2025) is $56,400 with $17,299 in property tax.
How does 861 Montauk Ave's assessment compare to its last sale price?
The current assessment is 92.4% below the last sale price of $740,000.
When was 861 Montauk Ave built?
861 Montauk Ave was built in 1919.
How does 861 Montauk Ave compare to others on Montauk Ave?
We track 8 other properties on Montauk Ave. Browse the list under "Other properties on Montauk Ave" to compare beds, baths, and sale history.
What are the property facts for 861 Montauk Ave?
861 Montauk Ave is a 5 bed, 3 bath, 3,341 sqft, 29,621 sqft lot single_family.
Is 861 Montauk Ave a flip candidate?
No — 861 Montauk Ave does not appear in our flips dataset.
Is 861 Montauk Ave a tax-appeal candidate?
No — 861 Montauk 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
+1.7%
Implied 1-yr
+6.7%
2026 Q1
$652.5K
2026 Q2
$662.4K
ZIP 11752 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Montauk Ave