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21 Old Montauk Hwy

Mastic, NY 11950

ba Lot 13,068 sqft other
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

YearBuildingLandTotal assessedTax paid
2025 $2,500 $500 $3,000 $11,998
2024 $2,500 $500 $3,000 $11,509
2023 $2,500 $500 $3,000 $13,044
2022 $2,500 $500 $3,000 $13,446
2021 $2,500 $500 $3,000 $13,393
2020 $2,500 $500 $3,000 $13,213
2018 $3,500 $500 $4,000 $17,235
2017 $3,500 $500 $4,000 $16,915
2016 $3,500 $500 $4,000 $16,927
2015 $500 $500 $5,525
2014 $500 $500 $2,005
2013 $500 $500 $1,950
2012 $500 $500 $1,897
2011 $500 $500 $1,851
2010 $500 $500 $3,308
2007 $500 $500 $1,509
2006 $500 $500 $1,414

Property facts

Year built
Property type
other
Stories
Beds
Baths
Living area
Lot size
13,068 sqft
ZIP code
11950
City
Mastic
Street
Old Montauk Hwy
Coordinates
40.80693, -72.83816

Frequently asked questions

When did 21 Old Montauk Hwy last sell?
No public-record sale is on file for 21 Old Montauk Hwy.
What is the current tax assessment for 21 Old Montauk Hwy?
The most recent total assessment for 21 Old Montauk Hwy (year 2025) is $3,000 with $11,998 in property tax.
When was 21 Old Montauk Hwy built?
The year built for 21 Old Montauk Hwy is not in our records.
How does 21 Old Montauk Hwy compare to others on Old Montauk Hwy?
We track 1 other property on Old Montauk Hwy. Browse the list under "Other properties on Old Montauk Hwy" to compare beds, baths, and sale history.
What are the property facts for 21 Old Montauk Hwy?
21 Old Montauk Hwy is a — bath, 13,068 sqft lot other.
Is 21 Old Montauk Hwy a flip candidate?
No — 21 Old Montauk Hwy does not appear in our flips dataset.
Is 21 Old Montauk Hwy a tax-appeal candidate?
No — 21 Old Montauk Hwy is not currently flagged as a tax-appeal candidate.

Forecast for this area

ZIP-area linear projection — not a per-property automated valuation
Quarterly trend
-15.7%
Implied 1-yr
-62.6%
2026 Q3
$393.8K
2026 Q4
$393.8K
ZIP 11950 — Median Price History + Forecast

Explore nearby

Other properties on Old Montauk Hwy