9 Alder Dr
Mastic Beach, NY 11951
— ba 1,368 sqft Built 1988 Lot 11,761 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 | $1,060 | $240 | $1,300 | $5,731 |
| 2024 | $1,060 | $240 | $1,300 | $5,497 |
| 2023 | $1,060 | $240 | $1,300 | $6,130 |
| 2022 | $1,060 | $240 | $1,300 | $6,284 |
| 2021 | $1,060 | $240 | $1,300 | $6,225 |
| 2020 | $1,060 | $240 | $1,300 | $6,147 |
| 2018 | $1,060 | $240 | $1,300 | $6,009 |
| 2017 | $1,710 | $240 | $1,950 | $8,598 |
| 2016 | $1,710 | $240 | $1,950 | $6,614 |
| 2015 | $1,710 | $240 | $1,950 | $6,460 |
| 2014 | $1,710 | $240 | $1,950 | $6,292 |
| 2013 | $1,710 | $240 | $1,950 | $6,173 |
| 2012 | $1,710 | $240 | $1,950 | $5,993 |
| 2011 | $1,710 | $240 | $1,950 | $5,842 |
| 2010 | $2,360 | $240 | $2,600 | $8,139 |
| 2008 | $2,360 | $240 | $2,600 | $7,518 |
| 2007 | $2,360 | $240 | $2,600 | $7,066 |
| 2006 | $2,360 | $240 | $2,600 | $7,696 |
Property facts
Year built
1988
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,368 sqft
Lot size
11,761 sqft
ZIP code
11951
City
Mastic Beach
Street
Alder Dr
Coordinates
40.76233, -72.84000
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 9 Alder Dr last sell?
No public-record sale is on file for 9 Alder Dr.
What is the current tax assessment for 9 Alder Dr?
The most recent total assessment for 9 Alder Dr (year 2025) is $1,300 with $5,731 in property tax.
When was 9 Alder Dr built?
9 Alder Dr was built in 1988.
How does 9 Alder Dr compare to others on Alder Dr?
We track 8 other properties on Alder Dr. Browse the list under "Other properties on Alder Dr" to compare beds, baths, and sale history.
What are the property facts for 9 Alder Dr?
9 Alder Dr is a — bath, 1,368 sqft, 11,761 sqft lot single_family.
Is 9 Alder Dr a flip candidate?
No — 9 Alder Dr does not appear in our flips dataset.
Is 9 Alder Dr a tax-appeal candidate?
No — 9 Alder Dr is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+2.2%
Implied 1-yr
+8.8%
2026 Q2
$434.2K
2026 Q3
$442.6K
ZIP 11951 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Alder Dr