Nassau County  »  11791  »  Underhill Ave  »  10 Underhill Ave

10 Underhill Avenue, Syosset, NY 11791 - Property report

Also known as: 10 Underhill Ave

Property image for 10 Underhill Avenue, Syosset, NY 11791
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

1950

Acreage

0.154

Sale price

$585,000

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
10 Underhill Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-65-5

Owner

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Sales
Sale date
10/15/2020
Sale price
$585,000
Arm's length
Tax
Tax year
2026
Current property tax
$17,138
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,270
Buildings on lot
1
Stories
1
Year built
1950
Rooms
5
Bathrooms
1
Exterior wall
Frame
Building style
Ranch
Basement
Full
Attic
None
Fireplaces
1
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.154
Topography
Level
Land
Primary site

Area overview

Walk score
73 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
51 /100.  Bikeable
School district
3014

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

Ownership

Ownership information for 10 Underhill Avenue, Syosset, NY

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

Sales history for 10 Underhill Avenue, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
10/15/2020 $585,000 XXX XXX XXX; XXXX XXXXXXX XXXXXX XXXXXX XXXXXXX XXX; XXXXXXX XXXXXXXX XXXXXXX XXX; XXXXXXX XXXXXXXX X XXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
11/19/2020 - R Other
(Mortgage satisfaction)		 XXXXXXX XXXXXXXX XXXXXXX
11/19/2020 - R Other
(Mortgage satisfaction)		 XXXXXXX XXXXXXXX X XXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX
10/29/2020 - R Other
(Mortgage satisfaction)		 XXXXXXX XXXXXXXX XXXXXXX XXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX
11/19/2020 - R
10/15/2020 - D		 Deed XXXXXX XXXXXX XXXXXXX XXX XXX XXX XXX
11/19/2020 - R
10/15/2020 - D		 Mortgage
(Fixed rate)		 XXX XXX XXX XXXXXXXX XXXXX XXXX XX
06/21/2018 - R Other
(Mortgage satisfaction)		 XXXXXXX XXXXXXXX X XXXXXX XXXXXXXXX XXXXXXX XXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 10 Underhill Avenue, Syosset, NY

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

Current property tax
Tax year
2026
Property tax
$17,138
Current school tax
Recent tax assessments
Market value
$527,000
Assessed value
$527
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 $527,000 $527 3251.91 $17,138 +9.38%
2025 $499,000 $499 3139.97 $15,668 -10.88%
2024 $555,809 $523 3361.673 $17,582 -4.52%
2023 $527,000 $527 3493.926 $18,413 -13.31%
2022 $556,000 $556 3820.056 $21,240 +6.02%
2021 $536,000 $536 3737.468 $20,033 +63.05%
2020 $261,200 $653 1881.494 $12,286 -0.47%
2019 $279,600 $699 1766.064 $12,345 -0.82%
2018 $298,400 $746 1668.546 $12,447 +1.74%
2017 $309,600 $774 1580.606 $12,234 +5.83%
Permits

Permit information for 10 Underhill Avenue, Syosset, NY

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Willits Elementary School 9 Public K-5 305 0.48
South Grove Elementary School 9 Public K-5 416 0.62
St Edward Confessor School NR Private PK-8 265 0.77
St Edward Confessor School NR Private PK-8 265 0.77
Village Elementary School 9 Public K-5 415 0.93
Baylis Elementary School 9 Public K-5 405 1.11
P.S. 256 NR Public PK, K-12 500 1.22
P.S. 256 NR Public PK, K-12 500 1.22
Robbins Lane Elementary School 9 Public K-5 500 1.25
Judy Jacobs Parkway Elementary School 8 Public K-4 392 1.51
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
H B Thompson Middle School 9 Public 6-8 997 0.57
St Edward Confessor School NR Private PK-8 265 0.77
Fusion Academy Woodbury Ny NR Private 6-12 75 1.03
P.S. 256 NR Public PK, K-12 500 1.22
South Woods Middle School 8 Public 6-8 746 1.80
The Center For Developmental Disabilities NR Private 105 2.02
Plainview Old Bethpage Middle School 8 Public 5-8 889 2.16
Jericho Middle School 9 Public 6-8 810 2.25
Our Lady Of Mercy School NR Private PK-8 195 2.28
Good Shepherd Lutheran School NR Private 0 2.31
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Fusion Academy Woodbury Ny NR Private 6-12 75 1.03
P.S. 256 NR Public PK, K-12 500 1.22
Our Lady Of Mercy Academy NR Private 9-12 359 1.42
Syosset Senior High School 10 Public 9-12 2,266 1.79
The Center For Developmental Disabilities NR Private 105 2.02
Jericho Senior High School 10 Public 9-12 1,258 2.25
Good Shepherd Lutheran School NR Private 0 2.31
Long Island Lutheran Middle & High School NR Private 6-12 439 2.63
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 2.86

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 10 Underhill Avenue, Syosset, NY

14 Underhill Ave, Syosset 406-408 Jericho Tpke, Syosset 12 Underhill Ave, Syosset 6 Underhill Ave, Syosset 390 Jericho Tpke, Syosset 16 Underhill Ave, Syosset 24 Underhill Ave, Syosset 8 Underhill Ave, Syosset 540 Jericho Tpke, Syosset 26 Underhill Ave, Syosset 510-520 Jericho Tpke, Syosset 400 Jericho Tpke, Syosset 22 Underhill Ave, Syosset 18 Underhill Ave, Syosset 20 Underhill Ave, Syosset 28 Underhill Ave, Syosset 30 Underhill Ave, Syosset 4 Underhill Ave, Syosset 2 Underhill Ave, Syosset 420 Jericho Tpke, Syosset

Nearby ZIP codes for 10 Underhill Avenue, 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 10 Underhill Avenue, Syosset, NY 11791?

The development at 10 Underhill Avenue, Syosset, NY 11791 was built in 1950.

What is the total square footage of 10 Underhill Avenue, Syosset, NY 11791?

10 Underhill Avenue, Syosset, NY 11791 has a total of 1,270 square feet.

When was 10 Underhill Avenue, Syosset, NY 11791 last sold and what was the sale price?

10 Underhill Avenue, Syosset, NY 11791 was last sold on 10/15/2020 for $585,000.

What is the assessed value of 10 Underhill Avenue, Syosset, NY 11791?

10 Underhill Avenue, Syosset, NY 11791 is currently assessed at $527.

What are the property taxes for 10 Underhill Avenue, Syosset, NY 11791?

The property taxes for 10 Underhill Avenue, Syosset, NY 11791 total $17,137.

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