Suffolk County  »  11751  »  Nassau Ave  »  155 Nassau Ave

155 Nassau Avenue, Islip, NY 11751 - Property report

Also known as: 155 Nassau Ave

Property image for 155 Nassau Avenue, Islip, NY 11751
static Mapbox map

Property type

Apartments (411)

Acreage

0.7

Sale price

$660,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
155 Nassau Avenue
ZIP code
11751
County
Suffolk
Village (SWIS code)
472889
Parcel ID
345-1-23

Owner

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Building
Property type
Apartments (411)
Buildings on lot
1
Sales
Sale date
09/26/1997
Sale price
$660,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$71,894
Zoning & Use
Zoning
Lot
Acreage
0.7

Area overview

Walk score
65 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
59 /100.  Bikeable
School district
472802

View more such as transportation, nearby schools and risk designations.

Ownership information for 155 Nassau Avenue, Islip, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 155 Nassau Avenue, Islip, NY 11751

Sale date Sale price Buyer name Seller name
09/26/1997 $660,000 XXXXXXXXX XXXX XX, XXX XXX-XXX XXXXXX XXXX

*Most recent sale on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
10/14/2025 - R
03/21/2025 - D
Assignment XXXXXXXX XXXX XXX XX XXXXXX XXXXX XXXX
11/16/2020 - R Mortgage
(Commercial Mortgage Security Agreement and Assignment of Leases and Rents)
XXXXXXXXX XXXXXXXXXX XX XXX XXXX XXXXXXXXX XX
10/03/1997 - R
09/26/1997 - D
Deed XXX-XXX XXXXXX XXXX XXXXXXXXX XXXX XX, XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 155 Nassau Avenue, Islip, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$71,894
Recent tax assessments
Market value
$2,177,464
Assessed value
$154,600

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $2,177,464 $154,600 46.503 $71,894 +13.98%
2024-2025 $2,177,464 $154,600 40.799 $63,075 -1.35%
2023-2024 $2,123,627 $154,600 41.357 $63,938 -2.03%
2022-2023 $1,867,149 $154,600 42.213 $65,261 +4.32%
2021-2022 $1,665,949 $154,600 40.466 $62,560 -0.71%
2020-2021 $1,593,814 $154,600 40.757 $63,010 +6.26%
2019-2020 $1,362,115 $154,600 38.357 $59,300 +1.51%
2018-2019 $1,362,115 $154,600 37.788 $58,420 +2.28%
2017-2018 $1,275,578 $154,600 36.947 $57,120 -0.14%
2016-2017 $1,217,323 $154,600 36.998 $57,199 +6.00%

Permit information for 155 Nassau Avenue, Islip, NY

No recently recorded permits for this property.

Demographics by ZIP code

Total population
13,726
Median age
45.6
Average household income
$136,601
Family households
67.4%
People per household (average)
2.71
Occupied housing units
5,040
Owner-occupied units
83.4%
Median year structure built
1965
Median value mortgaged units
$586,500
Median value unmortgaged units
$514,700

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map

Access the detailed traffic volume map for 155 Nassau Avenue, Islip, NY 11751 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Frequently asked questions

When was 155 Nassau Avenue, Islip, NY 11751 last sold and what was the sale price?

155 Nassau Avenue, Islip, NY 11751 was last sold on 09/26/1997 for $660,000.

What is the assessed value of 155 Nassau Avenue, Islip, NY 11751?

155 Nassau Avenue, Islip, NY 11751 is currently assessed at $154,600.

What are the property taxes for 155 Nassau Avenue, Islip, NY 11751?

The property taxes for 155 Nassau Avenue, Islip, NY 11751 total $71,893.

How many residential units does this building have?

This building has 8 residential unit(s).

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