Nassau County  »  11791  »  Underhill Ave  »  48 Underhill Ave

48 Underhill Avenue, Syosset, NY 11791 - Property report

Also known as: 48 Underhill Ave

Property image for 48 Underhill Avenue, Syosset, NY 11791
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Property type

One Family Year - Round Residence (210.01)

Year built

1955

Acreage

0.168

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
48 Underhill Avenue
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-123-42

Owner

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Tax
Tax year
2026
Current property tax
$13,997
Tax class
Zoning & Use
Zoning
R1-7
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,071
Buildings on lot
1
Stories
1
Year built
1955
Rooms
6
Bathrooms
1
Exterior wall
Alum/Vinyl
Building style
Ranch
Basement
Full
Attic
None
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.168
Topography
Level
Land
Primary site

Area overview

Walk score
58 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
47 /100.  Somewhat Bikeable
School district
3014

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

Ownership

Ownership information for 48 Underhill Avenue, Syosset, NY

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

Sales history for 48 Underhill Avenue, Syosset, NY 11791

No recently recorded sales for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
12/23/2021 - R
12/03/2021 - D		 Mortgage
(Fixed rate)		 XXX XXXX X XXXX
06/15/2017 - R
06/06/2017 - D		 Deed XXXXXX XXXXX XXXXXX XXXXXXXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 48 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
Current property tax
$13,997
Base tax
$15,577
Current school tax
Recent tax assessments
Market value
$479,000
Assessed value
$479
Transitional assessed value
Exemptions

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 $479,000 $479 3251.91 $15,577 +5.55%
2025 $470,000 $470 3139.97 $14,758 -13.24%
2024 $541,426 $506 3361.673 $17,010 -5.28%
2023 $514,000 $514 3493.926 $17,959 -13.26%
2022 $542,000 $542 3820.056 $20,705 -8.56%
2021 $527,000 $527 4296.58 $22,643 +30.10%
2020 $370,000 $925 1881.494 $17,404 +6.54%
2019 $370,000 $925 1766.064 $16,336 +5.84%
2018 $370,000 $925 1668.546 $15,434 +5.56%
2017 $370,000 $925 1580.606 $14,621 +5.83%
Permits

Permit information for 48 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
View daily traffic map

Access the detailed traffic volume map for 48 Underhill Avenue, Syosset, NY 11791 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Willits Elementary School 9 Public K-5 305 0.27
South Grove Elementary School 9 Public K-5 416 0.47
Baylis Elementary School 9 Public K-5 405 0.86
St Edward Confessor School NR Private PK-8 265 1.01
St Edward Confessor School NR Private PK-8 265 1.01
Village Elementary School 9 Public K-5 415 1.14
Robbins Lane Elementary School 9 Public K-5 500 1.29
Judy Jacobs Parkway Elementary School 8 Public K-4 392 1.30
P.S. 256 NR Public PK, K-12 500 1.37
P.S. 256 NR Public PK, K-12 500 1.37
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
H B Thompson Middle School 9 Public 6-8 997 0.40
Fusion Academy Woodbury Ny NR Private 6-12 75 0.97
St Edward Confessor School NR Private PK-8 265 1.01
P.S. 256 NR Public PK, K-12 500 1.37
Plainview Old Bethpage Middle School 8 Public 5-8 889 1.91
South Woods Middle School 8 Public 6-8 746 1.98
Our Lady Of Mercy School NR Private PK-8 195 2.05
Good Shepherd Lutheran School NR Private 0 2.07
The Center For Developmental Disabilities NR Private 105 2.17
Jericho Middle School 9 Public 6-8 810 2.29
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Fusion Academy Woodbury Ny NR Private 6-12 75 0.97
P.S. 256 NR Public PK, K-12 500 1.37
Our Lady Of Mercy Academy NR Private 9-12 359 1.54
Syosset Senior High School 10 Public 9-12 2,266 1.94
Good Shepherd Lutheran School NR Private 0 2.07
The Center For Developmental Disabilities NR Private 105 2.17
Jericho Senior High School 10 Public 9-12 1,258 2.29
Plainview Old Bethpage JFK High School 10 Public 9-12 1,649 2.65
Miss Sue's Nursery School and Kindergarten NR Private 0 2.74
Hicksville High School 6 Public 9-12 1,852 3.54

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

Neighbors for 48 Underhill Avenue, Syosset, NY

15 Williams Ave, Syosset 17 Williams Ave, Syosset 17 Hicks Ave, Syosset 11 Williams Ave, Syosset 2 Baird CT, Syosset 44 Underhill Ave, Syosset 21 Hicks Ave, Syosset 52 Underhill Ave, Syosset 56 Underhill Ave, Syosset 60 Underhill Ave, Syosset 15 Hicks Ave, Syosset 42 Underhill Ave, Syosset 46 Underhill Ave, Syosset 21 Williams Ave, Syosset 19 Hicks Ave, Syosset 19 Williams Ave, Syosset 9 Hicks Ave, Syosset 58 Underhill Ave, Syosset 11 Hicks Ave, Syosset 4 Baird CT, Syosset

Nearby ZIP codes for 48 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 48 Underhill Avenue, Syosset, NY 11791?

The development at 48 Underhill Avenue, Syosset, NY 11791 was built in 1955.

What is the total square footage of 48 Underhill Avenue, Syosset, NY 11791?

48 Underhill Avenue, Syosset, NY 11791 has a total of 1,071 square feet.

What is the assessed value of 48 Underhill Avenue, Syosset, NY 11791?

48 Underhill Avenue, Syosset, NY 11791 is currently assessed at $479.

What are the property taxes for 48 Underhill Avenue, Syosset, NY 11791?

The property taxes for 48 Underhill Avenue, Syosset, NY 11791 total $15,576.

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