Nassau County  »  11791  »  Greenfield Rd  »  8 Greenfield Rd

8 Greenfield Road, Syosset, NY 11791 - Property report

Also known as: 8 Greenfield Rd

Property image for 8 Greenfield Road, Syosset, NY 11791
static Mapbox map

Property type

Professional Building (Doctor, Dentist, Chiropractor, or Combination of Professions) (465.14)

Year built

1964

Acreage

0.364

Sale price

$9,750,000

General information

Unlock this property report with a free account

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
8 Greenfield Road
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-H-249

Owner

Find out who owns 8 Greenfield Road, Syosset, NY 11791. Uncover corporate and individual owners with a free account.

Building
Property type
Professional Building (Doctor, Dentist, Chiropractor, or Combination of Professions) (465.14)
Building sq. ft.
5,664
Buildings on lot
1
Stories
1
Year built
1964
AC
Central
Sales
Sale date
06/24/2026
Sale price
$9,750,000
Arm's length
Tax
Tax year
2026
Current property tax
$56,292
Tax class
Zoning & Use
Zoning
Capitalization rate
Area type
Neighborhood or spot
Lot
Acreage
0.364
Topography
Level
Land
Primary site

Area overview

Walk score
64 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
51 /100.  Bikeable
School district
3014
Street
Paved
Traffic
Light

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

Commercial Buildings

Sq. ft. Structure Grade Year built Stories
5,664 Medical office bldg C 1964 1
Floor distribution
Floors Sq. ft. Use Construction Condition Exterior wall Heating Air conditioning Plumbing
01-01 1,440 Medical center Central
01-01 4,224 Medical center Central
Ownership

Ownership information for 8 Greenfield Road, Syosset, NY

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

Sales history for 8 Greenfield Road, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
06/24/2026 $9,750,000 XXXXXXX-XX X XXX XXX XXX XXXXXXXX XXX X/X XXXXXX XXXXXXXXXXX & XXXXX, XXX
02/09/2006 $4,000,000 XXX XXXXXXXX XXX X/X XXXXX XXXXX XXXXXXXXXXXXXXX XXXXXXXXXX, X.X. XXXXX XXXX.

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
07/15/2026 - R Other
(Mortgage agreement)		 XXXX XX XXXXXXX XX XXX XXXXXXXX XXX
07/15/2026 - R Other
(Mortgage agreement)		 XXXX XX XXXXXXX XX XXX XXXXXXXX XXX
07/02/2026 - R Other
(Mortgage agreement)		 XXXXXXX-XX X XXX XXX XXXXXXXXXX XXXX
07/02/2026 - R Other
(Mortgage agreement)		 XXXXXXX-XX X XXX XXX XXXXXXXXXX XXXX
07/02/2026 - R Assignment
(Assign mortgage)		 XXXX XX XXXXXXX XX XXXXXXXXXX XXXX
07/02/2026 - R
06/24/2026 - D		 Deed
(Deed commercial/vacant land)		 XXX XXXXXXXX XXX XXXXXXX-XX X XXX XXX
07/02/2026 - R
06/24/2026 - D		 Mortgage
(Mtg-mortgage)		 XXXXXXX-XX X XXX XXX XXXXXXXXXX XXXX
03/28/2006 - R
02/09/2006 - D		 Deed XXXXX XXXX. XXX XXXXXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 8 Greenfield Road, Syosset, NY

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

Current property tax
Tax year
2026
Tax class
Property tax
$56,292
Recent tax assessments
Market value
$757,700
Assessed value
$7,577
Transitional assessed value

More about Nassau County property taxes

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
2026 $757,700 $7,577 742.935 $56,292 -19.31%
2025 $967,700 $9,677 721.749 $69,764 +11.42%
2024 $967,670 $9,677 698.43 $62,614 +2.35%
2023 $967,700 $9,677 740.308 $61,179 -18.76%
2022 $967,700 $9,677 778.209 $75,307 -6.03%
2021 $962,200 $9,622 832.86 $80,138 +8.49%
2020 $797,400 $7,974 926.308 $73,864 +5.01%
2019 $797,400 $7,974 882.086 $70,338 -2.28%
2018 $797,400 $7,974 902.664 $71,978 +8.53%
2017 $797,400 $7,974 831.711 $66,321 +13.17%
Permits

Permit information for 8 Greenfield Road, Syosset, NY

No recently recorded permits for this property.

Neighborhood

Demographics by ZIP code

Total population
25,520
Median age
43.2
Average household income
$276,174
Family households
83.9%
People per household (average)
3.11
Occupied housing units
8,113
Owner-occupied units
93.5%
Median year structure built
1959
Median value mortgaged units
$968,800
Median value unmortgaged units
$878,600

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 8 Greenfield Road, Syosset, NY 11791 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Neighbors for 8 Greenfield Road, Syosset, NY

18 Jericho Tpke, Syosset 72 Candy Ln, Syosset 312 Jericho Tpke, Syosset 260 Jericho Tpke, Syosset 275 Oak Dr, Syosset 180-190 Jericho Tpke, Syosset 54-60 Jericho Tpke, Syosset 44 Haskett Dr, Syosset 140 Jericho Tpke, Syosset 200 Oak Dr, Syosset 150 Jericho Tpke, Syosset 284 Jericho Tpke, Syosset 76 Candy Ln, Syosset 75 Hasket Dr, Syosset 204-218 Jericho Tpke, Syosset 268 Jericho Tpke, Syosset 100 Miller Pl, Syosset 42 Jericho Tpke, Syosset 68 Candy Ln, Syosset 220 Jericho Tpke, Syosset

Nearby ZIP codes for 8 Greenfield Road, Syosset, NY

11545, Nassau County, NY 11548, Nassau County, NY 11554, Nassau County, NY 11560, Nassau County, NY 11568, Nassau County, NY 11590, Nassau County, NY 11709, Nassau County, NY 11714, Nassau County, NY 11724, Suffolk County, NY 11732, Nassau County, NY 11743, Suffolk County, NY 11747, Suffolk County, NY 11753, Nassau County, NY 11756, Nassau County, NY 11765, Nassau County, NY 11797, Nassau County, NY 11801, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 8 Greenfield Road, Syosset, NY 11791?

The development at 8 Greenfield Road, Syosset, NY 11791 was built in 1964.

What is the market value of 8 Greenfield Road, Syosset, NY 11791?

The current market value of 8 Greenfield Road, Syosset, NY 11791 is $757,700.

What is the total square footage of 8 Greenfield Road, Syosset, NY 11791?

8 Greenfield Road, Syosset, NY 11791 has a total of 5,664 square feet.

What is the price per square foot for this property?

$1,721 per square foot is the price for 8 Greenfield Road, Syosset, NY 11791.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account