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30 Underhill Boulevard, Syosset, NY 11791 Property Information

30 Underhill Boulevard, Syosset, NY 11791 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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30 Underhill Boulevard, Syosset, NY 11791
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Address

Primary address 30 Underhill Boulevard, Syosset
Zip code 11791
County Nassau
Town/City Oyster Bay
Village (swiss code) None (unincorporated town)
Parcel ID 15-13-120

Sales & Tax Overview for 30 Underhill Boulevard, Syosset

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 02/02/2026
Sale price $1,540,000
Current property tax $22,337

Lot & Building Information for 30 Underhill Boulevard, Syosset

Building sqft 1,566
Building class Commercial Garage Repairs, Auto Body, Tire Shops and Other Related Repairs (433.14)
Land Primary site
Topography Level
Acreage 0.286
Buildings on lot 1
Year built 1958
Stories 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district (See more on map)
Capitalization rate
Street Paved
Traffic Medium
Area type Commercial/Industrial park
School district Syosset

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Commercial Buildings

Square footage Structure Grade Year built Stories
1,566 Auto service garage C 1958 1

Floor Distribution

Floors Square footage Use Construction Condition Exterior wall Heating Plumbing
01-01 1,566 Auto parts/service

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Income and Expenses

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Other Property Data for 30 Underhill Boulevard, Syosset

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  • • Improvements for 30 Underhill Boulevard, Syosset , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 30 Underhill Boulevard, Syosset

How many sq. ft. does 30 Underhill Boulevard, Syosset, NY 11791 have & what is the price per sq. ft?

This Commercial Garage Repairs, Auto Body, Tire Shops and Other Related Repairs (433.14) located at 30 Underhill Boulevard, Syosset, NY 11791 has a total of 1,566 square feet and a current price per square foot of $983.

What is the year built & the current market value of 30 Underhill Boulevard, Syosset, NY 11791?

30 Underhill Boulevard, Syosset, NY 11791 was built in 1958 and has a current tax assessor's market value of $307,400.

Ownership Information

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Past Sales & Property History for 30 Underhill Boulevard, Syosset

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Purchase date Purchase price Buyer name Seller name
02/02/2026 $1,540,000
05/01/2009 $750,000
       
       
       
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Title Documents for 30 Underhill Boulevard, Syosset

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Date Type Amount Party 1 Party 2
02/02/2026 - R Deed
(Deed commercial/vacant land)
02/02/2026 - R Other
(Mortgage agreement)
02/02/2026 - R Mortgage
(Mtg-mortgage)
10/20/2020 - R Other
(Mortgage satisfaction)
05/01/2009 - D
05/11/2009 - R
Deed
01/03/2008 - D
02/21/2008 - R
Deed
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R: Recorded date
D: Document date

Property Taxes for 30 Underhill Boulevard, Syosset

Access detailed property tax data for 30 Underhill Boulevard, Syosset, NY 11791. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2026
Property tax $22,338
Tax class
Market value $307,400
Assessed value $3,074
Transitional assessed value

Assessment History for 30 Underhill Boulevard, Syosset

Here's the assessment & property tax history for 30 Underhill Boulevard, Syosset, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2025 $307,400 $3,074 709.962 $21,824 +3.58%
2024 $307,400 $3,074 685.445 $21,071 -6.55%
2023 $307,400 $3,074 733.485 $22,547 -2.91%
2022 $307,400 $3,074 755.439 $23,222 -14.45%
2021 $337,100 $3,371 805.271 $27,146 +4.22%

Permits for 30 Underhill Boulevard, Syosset

The complete history of permits filed for 30 Underhill Boulevard, Syosset, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Demographics By Zip Code

Total population 25,194
Median age 43
Average household income $269,619
Family households 84.8%
Occupied housing units 8,046
Owner occupied units 92.8%
Average number of people per household 3
Median year structure built 1959
Median value for units with a mortgage $945,100
Median value for units without a mortgage $876,500

Risk

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FEMA flood zone(s) X (See more on map)

Transportation

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Neighbors for 30 Underhill Boulevard, Syosset

Here are the neighbors for 30 Underhill Boulevard, Syosset.

Address Square feet Purchase date Purchase price
108-114 Jackson Ave, Syosset 11,410 09/24/2007 $826,000
47 Roosevelt Ave, Syosset 1,541 03/25/2024
35 Roosevelt Ave, Syosset 2,848 08/03/2001 $540,000
24 Willis Ave, Syosset 798 05/09/2011
47 Railroad Ave, Syosset 1,704 10/28/2005
41 Roosevelt Ave, Syosset 2,884 04/23/2025
36 Willis Ave, Syosset 04/27/2010 $375,000
22 Willis Ave, Syosset 1,680 03/21/2014
10 Treadwell St, Syosset 2,054
18 Tredwell Ave, Syosset 1,888 08/14/2023
50 Underhill Blvd, Syosset 12,630 11/30/2018 $1,900,000
40 Underhill Blvd, Syosset 13,113 01/13/2025 $2,100,000
48 Willis Ave, Syosset 03/23/2018 $425,000
98 Jackson Ave, Syosset 3,826
43 Roosevelt Ave, Syosset 3,080 04/27/2023 $1,249,000
30 Willis Ave, Syosset 874 05/24/2018 $400,000
16 Willis Ave, Syosset 860
12 Tredwell Ave, Syosset 2,054 08/22/2019 $635,000
28 Treadwell Ave, Syosset 1,224 02/04/2025
19 Richmond St, Syosset 3,090 01/25/2007 $514,100

Nearby ZIP Codes for 30 Underhill Boulevard, Syosset

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