Nassau County  »  11783  »  Knoll CT  »  557 Knoll CT

557 Knoll Court, Seaford, NY 11783 - Property report

Also known as: 557 Knoll CT

Property image for 557 Knoll Court, Seaford, NY 11783
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Property type

One Family Year - Round Residence (210.01)

Year built

1956

Acreage

0.138

Sale price

$356,250

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
557 Knoll Court
ZIP code
11783
County
Nassau
Town/City
Hempstead
Village (SWIS code)
None (unincorporated town)
Parcel ID
52-449-33

Owner

Find out who owns 557 Knoll Court, Seaford, NY 11783. Uncover corporate and individual owners with a free account.

Sales
Sale date
07/25/2025
Sale price
$356,250
Arm's length
Tax
Tax year
2026
Current property tax
$13,214
Tax class
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
1,872
Buildings on lot
1
Stories
1.7
Year built
1956
Rooms
8
Bathrooms
2
Exterior wall
Alum/Vinyl
Building style
Cape
Basement
Full
Attic
None
Heating type
Central
Heating system
Hot water
Lot
Acreage
0.138
Topography
Level
Land
Primary site

Area overview

Walk score
50 /100.  Car-Dependent
Transit score
19 /100.  Minimal Transit
Bike score
42 /100.  Somewhat Bikeable
School district
1026

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

Ownership

Ownership information for 557 Knoll Court, Seaford, NY

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

Sales history for 557 Knoll Court, Seaford, NY 11783

Sale date Sale price Buyer name Seller name
07/25/2025 $356,250 XXXXXXXXX XXX XXXXXX XXXXXXX XXX; XXXXXXX XXXXX XXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
08/01/2025 - R
07/25/2025 - D		 Deed
(Deed-Deed)		 XXXXXX XXXXXXX XXX XXXXXXXXX XXX
07/31/2025 - R Other
(Mortgage Satisfaction)		 XXXXXXX XXXXX XXXXXXXX XXXXXX XXXXXXXXXX XXX
10/08/2021 - R Assignment
(Assign Mortgage)		 XXXXXXXX XXXXXXXX XX XXXXXXXX XXXXXX XXXXXXXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 557 Knoll Court, Seaford, 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
$13,214
Base tax
$11,961
Current school tax
Recent tax assessments
Market value
$528,000
Assessed value
$528
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 $528,000 $528 2265.253 $11,961 -2.50%
2025 $528,000 $528 2323.452 $12,268 -9.15%
2024 $527,759 $528 2557.389 $13,503 -6.43%
2023 $528,000 $528 2733.212 $14,431 -10.89%
2022 $528,000 $528 3067.148 $16,195 -10.82%
2021 $503,000 $503 3610.274 $18,160 +32.48%
2020 $342,400 $856 1601.317 $13,707 +5.74%
2019 $342,400 $856 1514.328 $12,963 +6.15%
2018 $342,400 $856 1426.548 $12,211 +5.02%
2017 $342,400 $856 1358.392 $11,628 +4.15%
Permits

Permit information for 557 Knoll Court, Seaford, NY

No recently recorded permits for this property.

Neighborhood

Hempstead residential market stats

Access a detailed real estate market overview of Hempstead so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Hempstead and compare it to other neighborhoods in Nassau.

Median sale price

$725,000

3.6% Y-o-Y

Median price/sq. ft.

$490

5.8% Y-o-Y

Nassau county median sale price

$800,000

5.3% Y-o-Y

Check out recently sold homes in Hempstead and see how their prices compare.

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 557 Knoll Court, Seaford, NY 11783 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)
East Broadway School 6 Public K-5 676 0.40
The Hagedorn Little Village School NR Private PK-6 268 0.40
The Hagedorn Little Village School NR Private PK-6 268 0.40
John H West School 7 Public K-5 482 0.53
Eastplain School 6 Public PK, K-5 431 0.82
Eastplain School 6 Public PK, K-5 431 0.82
Island Trees Middle School 7 Public 5-8 657 0.90
Maria Regina Elementary School NR Private PK-8 345 1.35
Maria Regina Elementary School NR Private PK-8 345 1.35
Gardiners Avenue School 6 Public K-5 500 1.42
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Island Trees Middle School 7 Public 5-8 657 0.90
Jonas E Salk Middle School 7 Public 6-8 947 1.13
Plainedge Middle School 6 Public 6-8 663 1.16
Maria Regina Elementary School NR Private PK-8 345 1.35
Mosaic School NR Private 7 1.78
Seaford Middle School 9 Public 6-8 517 1.84
Wantagh Middle School 5 Public 6-8 682 1.93
Wisdom Lane Middle School 8 Public 6-8 748 1.99
Mhs Ames Campus NR Public 9 442 2.23
The Elija School NR Private 31 2.32
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Island Trees High School 9 Public 9-12 727 0.76
Gen Douglas Macarthur Senior High School 10 Public 9-12 1,277 1.08
Plainedge Senior High School 8 Public 9-12 845 1.16
Mosaic School NR Private 7 1.78
Seaford Senior High School 9 Public 9-12 658 1.83
Wantagh Senior High School 9 Public 9-12 836 2.02
Mhs Ames Campus NR Public 9 442 2.23
Division Avenue Senior High School 9 Public 9-12 1,051 2.29
The Elija School NR Private 31 2.32
Farmingdale Senior High School 7 Public 9-12 1,703 2.33

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

Neighbors for 557 Knoll Court, Seaford, NY

545 Q Knoll CT, Seaford 527 Knoll CT, Seaford 507 Knoll CT, Seaford 571 Knoll CT, Seaford 531 Kell Pl, Seaford 3875 Clove CT, Seaford 533 Knoll CT, Seaford 3969 Old Post Rd, Seaford 583 Knoll CT, Seaford 511 Kell Pl, Seaford 515 Knoll CT, Seaford 3963 Old Post Rd, Seaford 577 Knoll CT, Seaford 589 Knoll CT, Seaford 551 Knoll CT, Seaford 539 Knoll CT, Seaford 521 Knoll CT, Seaford 563 Knoll CT, Seaford 525 Kell Pl, Seaford 3861 Clove CT, Seaford

Nearby ZIP codes for 557 Knoll Court, Seaford, NY

11520, Nassau County, NY 11549, Nassau County, NY 11554, Nassau County, NY 11556, Nassau County, NY 11566, Nassau County, NY 11575, Nassau County, NY 11590, Nassau County, NY 11701, Suffolk County, NY 11714, Nassau County, NY 11726, Suffolk County, NY 11735, Nassau County, NY 11735, Suffolk County, NY 11756, Nassau County, NY 11762, Nassau County, NY 11793, Nassau County, NY 11801, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 557 Knoll Court, Seaford, NY 11783?

The development at 557 Knoll Court, Seaford, NY 11783 was built in 1956.

What is the total square footage of 557 Knoll Court, Seaford, NY 11783?

557 Knoll Court, Seaford, NY 11783 has a total of 1,872 square feet.

When was 557 Knoll Court, Seaford, NY 11783 last sold and what was the sale price?

557 Knoll Court, Seaford, NY 11783 was last sold on 07/25/2025 for $356,250.

What is the assessed value of 557 Knoll Court, Seaford, NY 11783?

557 Knoll Court, Seaford, NY 11783 is currently assessed at $528.

What are the property taxes for 557 Knoll Court, Seaford, NY 11783?

The property taxes for 557 Knoll Court, Seaford, NY 11783 total $11,960.

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