Nassau County  »  11560  »  The Knolls  »  12 The Knolls

12 The Knolls, Locust Valley, NY 11560 - Property report

Also known as: 12 The Knolls

Property image for 12 The Knolls, Locust Valley, NY 11560
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

1960

Acreage

0.29

Sale price

$1,610,000

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
12 The Knolls
ZIP code
11560
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
30-68-37

Owner

Find out who owns 12 The Knolls, Locust Valley, NY 11560. Uncover corporate and individual owners with a free account.

Sales
Sale date
02/11/2025
Sale price
$1,610,000
Arm's length
Tax
Tax year
2026
Current property tax
$28,753
Tax class
Zoning & Use
Zoning
R1-10
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
2,654
Buildings on lot
1
Stories
1.5
Year built
1960
Rooms
8
Bathrooms
3
Exterior wall
Frame
Building style
Cape
Basement
Full
Attic
None
Fireplaces
1
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.29
Topography
Level
Land
Primary site

Area overview

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

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

Ownership information for 12 The Knolls, Locust Valley, NY

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

Sales history for 12 The Knolls, Locust Valley, NY 11560

Sale date Sale price Buyer name Seller name
02/11/2025 $1,610,000 XXXXX X XXXXXXXXXX XXXXXXXXX XXXXXX XXXXX; XXXXX X XXXXXXXXXX XXX XXXXX XXX
05/16/2024 $825,000 XXXXX XXX XXXXXXXXX XXXXXXXX X

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
07/16/2025 - R Other
(Mortgage satisfaction)
XXXXX X XXXXXXXXXX XXX XXXX
02/19/2025 - R
02/11/2025 - D
Deed
(Deed-deed)
XXXXX XXX XXXXX X XXXXXXXXXX XXXXXXXXX XXXXXX XXXXX
02/19/2025 - R
02/11/2025 - D
Mortgage
(Adjustable rate (arm))
XXXXX X XXXXXXXXXX XXXXXXXXX XXXXXX XXXXX XXXX
05/29/2024 - R
05/16/2024 - D
Deed XXXXXXXXX XXXXXXXX X XXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 12 The Knolls, 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
Current property tax
$28,753
Base tax
$20,896
Current school tax
Recent tax assessments
Market value
$798,000
Assessed value
$798
Transitional assessed value

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 $798,000 $798 2618.547 $20,896 +4.48%
2025 $783,000 $783 2554.349 $20,001 -8.01%
2024 $798,200 $798 2724.483 $21,741 -3.86%
2023 $798,000 $798 2833.795 $22,614 -6.82%
2022 $798,000 $798 3041.286 $24,269 -6.61%
2021 $768,000 $768 3383.659 $25,987 +72.76%
2020 $427,600 $1,069 1407.096 $15,042 -0.70%
2019 $458,000 $1,145 1322.96 $15,148 -1.29%
2018 $488,800 $1,222 1255.818 $15,346 -1.60%
2017 $519,200 $1,298 1201.51 $15,596 +0.43%

Permit information for 12 The Knolls, Locust Valley, NY

No recently recorded permits for this property.

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map

Access the detailed traffic volume map for 12 The Knolls, 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)
Ann Macarthur Primary NR Public K-2 200 0.16
Locust Valley Intermediate School 7 Public 3-5 227 0.27
Portledge School NR Private PK-12 522 0.77
Portledge School NR Private PK-12 522 0.77
Friends Academy NR Private PK-12 765 1.16
Friends Academy NR Private PK-12 765 1.16
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 1.43
Gribbin School NR Public K-2 341 1.69
Connolly School 3 Public 3-5 305 1.83
Bayville Elementary School NR Public K-2 179 2.10
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Locust Valley Middle School 8 Public 6-8 472 0.53
Portledge School NR Private PK-12 522 0.77
Friends Academy NR Private PK-12 765 1.16
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 1.43
Mill Neck Manor School For The Deaf NR Private PK, K-11 116 1.80
Mill Neck Manor School for the Deaf NR Private PK-12 106 1.86
Robert M Finley Middle School 5 Public 6-8 710 2.18
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 3.34
North Shore Middle School 9 Public K-8 646 3.88
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Locust Valley High School 9 Public 9-12 629 0.53
Portledge School NR Private PK-12 522 0.77
Friends Academy NR Private PK-12 765 1.16
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 1.43
Mill Neck Manor School For The Deaf NR Private PK, K-11 116 1.80
Mill Neck Manor School for the Deaf NR Private PK-12 106 1.86
Glen Cove High School 5 Public 9-12 1,050 2.02
Oyster Bay High School 7 Public 9-12 415 3.34
North Shore Senior High School 9 Public K-5, 9-12 764 3.64
Paul D Schreiber Senior High School 9 Public 9-12 1,613 5.88

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

Frequently asked questions

What is the year built for 12 The Knolls, Locust Valley, NY 11560?

The development at 12 The Knolls, Locust Valley, NY 11560 was built in 1960.

What is the total square footage of 12 The Knolls, Locust Valley, NY 11560?

12 The Knolls, Locust Valley, NY 11560 has a total of 2,654 square feet.

When was 12 The Knolls, Locust Valley, NY 11560 last sold and what was the sale price?

12 The Knolls, Locust Valley, NY 11560 was last sold on 02/11/2025 for $1,610,000.

What is the assessed value of 12 The Knolls, Locust Valley, NY 11560?

12 The Knolls, Locust Valley, NY 11560 is currently assessed at $798.

What are the property taxes for 12 The Knolls, Locust Valley, NY 11560?

The property taxes for 12 The Knolls, Locust Valley, NY 11560 total $20,896.

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