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23 Gainsboro Ln

Syosset, NY 11791

5 bd 4 ba Built 2021 Lot 7,200 sqft single_family
Most recent sale
$1,350,000
Apr 8, 2022

Location

Timeline: Sale, Listing & Tax History

Recorded events

DateEventPriceSource
Apr 8, 2022 Sold $1,350,000 MLS #3292892
Jul 28, 2021 Listed $1,395,000 MLS #3292892
Jun 9, 2021 Sold $630,000 Public Record
Jan 26, 2021 Listed $648,000 MLS #3283609
Aug 14, 2009 Sold $410,000 Public Record
Jun 13, 2009 Listing removed $479,000 OneKeyMLS
May 11, 2009 Listed $479,000 MLS #2184174
Jul 17, 2006 Sold $505,000 Public Record
Dec 19, 1995 Sold $217,500 Public Record

Tax assessment history

YearBuildingLandTotal assessedTax paid
2024 $735 $337 $1,072 $7,410
2022 $336 $336 $14,744
2021 $242 $336 $578 $13,249
2020 $236 $328 $564 $8,110
2019 $1 $655 $656 $7,691
2018 $1 $699 $700 $7,750
2017 $1 $743 $744 $7,762
2016 $102 $777 $879 $8,196
2015 $102 $777 $879 $9,799
2014 $102 $777 $879 $8,569
2013 $110 $842 $952 $7,713
2011 $196 $803 $999 $8,075
2010 $215 $842 $1,057 $11,266
2009 $424 $842 $1,266 $11,313
2007 $423 $842 $1,265 $18,731

Property facts

Year built
2021
Property type
single_family
Stories
Beds
5
Baths
4
Living area
Lot size
7,200 sqft
ZIP code
11791
City
Syosset
Street
Gainsboro Ln
Coordinates
40.79660, -73.49899

Block-level micro-comps

Same street, ±3 house numbers, sold in the last 24 months

Frequently asked questions

When did 23 Gainsboro Ln last sell?
23 Gainsboro Ln most recently sold on Apr 8, 2022 for $1,350,000.
What is the current tax assessment for 23 Gainsboro Ln?
The most recent total assessment for 23 Gainsboro Ln (year 2024) is $1,072 with $7,410 in property tax.
How does 23 Gainsboro Ln's assessment compare to its last sale price?
The current assessment is 99.9% below the last sale price of $1,350,000.
When was 23 Gainsboro Ln built?
23 Gainsboro Ln was built in 2021.
How does 23 Gainsboro Ln compare to others on Gainsboro Ln?
We track 8 other properties on Gainsboro Ln. Browse the list under "Other properties on Gainsboro Ln" to compare beds, baths, and sale history.
What are the property facts for 23 Gainsboro Ln?
23 Gainsboro Ln is a 5 bed, 4 bath, 7,200 sqft lot single_family.
Is 23 Gainsboro Ln a flip candidate?
Yes — 23 Gainsboro Ln appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 23 Gainsboro Ln a tax-appeal candidate?
No — 23 Gainsboro Ln 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
+2.9%
Implied 1-yr
+11.6%
2026 Q3
$1.84M
2026 Q4
$1.88M
ZIP 11791 — Median Price History + Forecast

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