Nassau County  »  11560  »  Underhill Rd  »  20 Underhill Rd

20 Underhill Road, Locust Valley, NY 11560 - Property report

Also known as: 20 Underhill Rd

Property image for 20 Underhill Road, Locust Valley, NY 11560
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Property type

One Family Year - Round Residence (210.01)

Year built

1985

Acreage

2.22

General information

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Address
Primary address
20 Underhill Road
ZIP code
11560
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
Matinecock
Parcel ID
23-H-482

Owner

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Tax
Tax year
2026
Current property tax
$40,256
Tax class
Zoning & Use
Zoning
R-2A
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
4,913
Buildings on lot
1
Stories
2
Year built
1985
Rooms
10
Bathrooms
4
Half bathrooms
1
Exterior wall
Frame
Building style
Colonial
Basement
Full
Attic
None
Fireplaces
3
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
2.22
Topography
Level
Land
Primary site

Area overview

Walk score
34 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
35 /100.  Somewhat Bikeable
School district
3004

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

Ownership

Ownership information for 20 Underhill Road, Locust Valley, NY

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

Sales history for 20 Underhill Road, Locust Valley, NY 11560

No recently recorded sales for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
04/29/2005 - R
03/07/2005 - D		 Deed XXXXXXXXXXX XXXXX

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20 Underhill Road, Locust Valley, 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
$40,256
Current school tax
Recent tax assessments
Market value
$1,892,000
Assessed value
$1,892
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 $1,892,000 $1,892 2127.716 $40,256 +1.20%
2025 $1,902,000 $1,902 2091.436 $39,779 -9.54%
2024 $1,986,000 $1,973 2228.736 $43,973 +2.43%
2023 $1,862,000 $1,862 2305.59 $42,930 -13.04%
2022 $1,986,000 $1,986 2485.735 $49,367 -12.51%
2021 $2,050,000 $2,050 2752.596 $56,428 +134.41%
2020 $850,000 $2,125 1132.835 $24,073 +6.55%
2019 $850,000 $2,125 1063.204 $22,593 +6.55%
2018 $850,000 $2,125 997.836 $21,204 -21.98%
2017 $1,133,200 $2,833 959.287 $27,177 -10.02%
Permits

Permit information for 20 Underhill Road, Locust Valley, 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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Access the detailed traffic volume map for 20 Underhill Road, Locust Valley, NY 11560 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)
Friends Academy NR Private PK-12 765 0.37
Friends Academy NR Private PK-12 765 0.37
Portledge School NR Private PK-12 522 0.83
Portledge School NR Private PK-12 522 0.83
Connolly School 3 Public 3-5 305 0.92
Ann Macarthur Primary NR Public K-2 200 1.07
Locust Valley Intermediate School 7 Public 3-5 227 1.18
Gribbin School NR Public K-2 341 1.25
All Saints Regional Catholic School NR Private PK-8 166 1.33
Deasy School NR Public PK, K-2 364 1.65
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Friends Academy NR Private PK-12 765 0.37
Portledge School NR Private PK-12 522 0.83
Locust Valley Middle School 8 Public 6-8 472 1.30
All Saints Regional Catholic School NR Private PK-8 166 1.33
Robert M Finley Middle School 5 Public 6-8 710 1.57
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 2.19
North Shore Day School NR Private 0 2.33
North Shore Middle School 9 Public K-8 646 2.96
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 3.79
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Friends Academy NR Private PK-12 765 0.37
Portledge School NR Private PK-12 522 0.83
Locust Valley High School 9 Public 9-12 629 1.30
Glen Cove High School 5 Public 9-12 1,050 1.68
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 2.19
North Shore Day School NR Private 0 2.33
Mill Neck Manor School For The Deaf NR Private PK, K-11 116 2.57
North Shore Senior High School 9 Public K-5, 9-12 764 2.72
Oyster Bay High School 7 Public 9-12 415 3.79
Paul D Schreiber Senior High School 9 Public 9-12 1,613 5.03

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

Neighbors for 20 Underhill Road, Locust Valley, NY

24 Underhill Rd, Locust Valley 14 Underhill Rd, Locust Valley 18 Underhill Rd, Locust Valley 25 Underhill Rd, Locust Valley 45 Piping Rock Rd, Locust Valley 193 Underhill Rd, Locust Valley 336 Duck Pond Rd, Locust Valley 22 Underhill Rd, Locust Valley 15 Eyre Ln, Locust Valley 12 Eyre Ln, Locust Valley 10 Underhill Rd, Locust Valley 15 Underhill Rd, Locust Valley 11-33 Birch Hill Rd, Locust Valley 95 Piping Rock Rd, Locust Valley 30 Underhill Rd, Locust Valley 267 Duck Pond Rd, Locust Valley 13 Underhill Rd, Locust Valley 11 Eyre Ln, Locust Valley 99 The Plaza, Locust Valley

Nearby ZIP codes for 20 Underhill Road, Locust Valley, NY

11030, Nassau County, NY 11507, Nassau County, NY 11514, Nassau County, NY 11542, Nassau County, NY 11545, Nassau County, NY 11547, Nassau County, NY 11548, Nassau County, NY 11568, Nassau County, NY 11576, Nassau County, NY 11577, Nassau County, NY 11579, Nassau County, NY 11590, Nassau County, NY 11596, Nassau County, NY 11709, Nassau County, NY 11732, Nassau County, NY 11753, Nassau County, NY 11765, Nassau County, NY 11791, Nassau County, NY

Frequently asked questions

What is the year built for 20 Underhill Road, Locust Valley, NY 11560?

The development at 20 Underhill Road, Locust Valley, NY 11560 was built in 1985.

What is the total square footage of 20 Underhill Road, Locust Valley, NY 11560?

20 Underhill Road, Locust Valley, NY 11560 has a total of 4,913 square feet.

What is the assessed value of 20 Underhill Road, Locust Valley, NY 11560?

20 Underhill Road, Locust Valley, NY 11560 is currently assessed at $1,892.

What are the property taxes for 20 Underhill Road, Locust Valley, NY 11560?

The property taxes for 20 Underhill Road, Locust Valley, NY 11560 total $40,256.

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