Suffolk County  »  11787  »  Keystone CT  »  4 Keystone CT

4 Keystone Court, Smithtown, NY 11787 - Property report

Also known as: 4 Keystone CT

Property image for 4 Keystone Court, Smithtown, NY 11787
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Property type

One Family Year-Round Residence (210)

Year built

2016

Acreage

0.57

Sale price

$698,000

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
4 Keystone Court
ZIP code
11787
County
Suffolk
Village (SWIS code)
473489
Parcel ID
130-4-63.7

Owner

Find out who owns 4 Keystone Court, Smithtown, NY 11787. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/12/2016
Sale price
$698,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$25,179
Zoning & Use
Zoning
One-Family on 10,000 Square Feet of Lot Area (R-10)
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
2,974
Buildings on lot
1
Stories
2
Year built
2016
AC
Yes
Bedrooms
4
Bathrooms
2
Half bathrooms
1
Kitchens
1
Exterior wall
Alum/vinyl
Building style
Colonial
Basement
Full
Fireplaces
1
Heating type
Hot air
Heating fuel
Gas
Lot
Acreage
0.57

Area overview

Walk score
32 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
38 /100.  Somewhat Bikeable
School district
473401

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

Ownership

Ownership information for 4 Keystone Court, Smithtown, NY

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

Sales history for 4 Keystone Court, Smithtown, NY 11787

Sale date Sale price Buyer name Seller name
08/12/2016 $698,000 XXXXXXXXX XXXXXX X XXXXXX XXXXXXXXXX XXX

*Most recent sale on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
10/27/2016 - R
08/12/2016 - D		 Deed
(Bargain and sale)		 XXXXXX XXXXXXXXXX XXX XXXXXXXXX XXXXXX X

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 4 Keystone Court, Smithtown, NY

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

Current property tax
Tax year
2025-2026
Current property tax
$25,179
Base tax
$23,702
Recent tax assessments
Market value
$1,150,000
Assessed value
$9,200

More about Suffolk 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
2025-2026 $1,150,000 $9,200 2576.282 $23,702 +4.31%
2024-2025 $1,069,767 $9,200 2469.867 $22,723 +16.07%
2023-2024 $1,057,471 $9,200 2127.961 $19,577 +2.50%
2022-2023 $1,314,286 $9,200 2076.086 $19,100 -13.98%
2021-2022 $845,536 $9,470 2344.675 $22,204 +1.58%
2020-2021 $823,478 $9,470 2308.127 $21,858 -0.14%
2019-2020 $816,379 $9,470 2311.354 $21,889 -3.30%
2018-2019 $818,293 $10,065 2248.977 $22,636 +3.52%
2017-2018 $768,321 $10,065 2172.584 $21,867 +87.79%
2016-2017 $421,970 $5,570 2090.572 $11,644 -2.40%
Permits

Permit information for 4 Keystone Court, Smithtown, NY

No recently recorded permits for this property.

Neighborhood

Smithtown residential market stats

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

Median sale price

$735,000

2.8% Y-o-Y

Median price/sq. ft.

$448

16.4% Y-o-Y

Suffolk county median sale price

$677,000

5.9% Y-o-Y

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 4 Keystone Court, Smithtown, NY 11787 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)
Mount Pleasant Elementary School 6 Public K-5 492 0.40
Smithtown Elementary School 6 Public K-5 514 0.71
St Patrick Elementary School NR Private PK, K-8 463 0.95
St Patrick Elementary School NR Private PK, K-8 463 0.95
Smithtown Christian School NR Private PK, K-12 529 1.14
Smithtown Christian School NR Private PK, K-12 529 1.14
Ivy League School NR Private PK-8 253 1.17
Dogwood Elementary School 6 Public K-5 352 1.21
Forest Brook Elementary School 5 Public PK, K-5 369 1.27
Forest Brook Elementary School 5 Public PK, K-5 369 1.27
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Patrick Elementary School NR Private PK, K-8 463 0.95
Smithtown Christian School NR Private PK, K-12 529 1.14
Ivy League School NR Private PK-8 253 1.17
Ivy League School NR Private PK-8 224 1.17
Hauppauge Middle School 6 Public 6-8 748 1.36
Great Hollow Middle School 7 Public 6-8 828 1.48
Developmental Disabilities Institute NR Private 222 1.56
Nesaquake Middle School 7 Public 6-8 473 2.13
Accompsett Middle School 7 Public 6-8 532 2.99
Ralph Reed School 3 Public 7-8 1,149 3.07
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Smithtown Christian School NR Private PK, K-12 529 1.14
Developmental Disabilities Institute NR Private 222 1.56
Hauppauge High School 9 Public 9-12 1,079 1.56
Gersh Academy NR Private 6-12 0 1.90
Smithtown High School East 10 Public 9-12 1,475 2.23
Cleary School For The Deaf NR Private PK-12 79 2.77
Smithtown High School West 10 Public 9-12 1,270 3.11
Central Islip Senior High School 3 Public 9-12 2,576 3.24
Kings Park High School 9 Public 9-12 857 3.86
Lake Grove School NR Private 8-12 50 3.95

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

Neighbors for 4 Keystone Court, Smithtown, NY

1 Keystone CT, Smithtown 11 Jayne St, Nesconset 150 Old Willets Path, Smithtown 2 Keystone CT, Smithtown 15 Jayne St, Nesconset 32 Midwood Ave, Nesconset 21 Quenzer St, Nesconset 4 Sunhill Rd, Nesconset 108 Canter CT, Smithtown 2 Sunhill Rd, Nesconset 5 Keystone CT, Smithtown 3 Keystone CT, Smithtown 41 Sheppard Ln, Smithtown 44 Mildred CT, Nesconset 6 Jefferson Pl, Smithtown 6 Keystone CT, Smithtown 27 Cross St, Smithtown 10 Woodland Ln, Smithtown 222 Brooksite Dr, Smithtown 110 Canter CT, Smithtown

Nearby ZIP codes for 4 Keystone Court, Smithtown, NY

11716, Suffolk County, NY 11717, Suffolk County, NY 11720, Suffolk County, NY 11722, Suffolk County, NY 11725, Suffolk County, NY 11731, Suffolk County, NY 11733, Suffolk County, NY 11739, Suffolk County, NY 11749, Suffolk County, NY 11751, Suffolk County, NY 11752, Suffolk County, NY 11754, Suffolk County, NY 11755, Suffolk County, NY 11767, Suffolk County, NY 11768, Suffolk County, NY 11779, Suffolk County, NY 11780, Suffolk County, NY 11788, Suffolk County, NY 11790, Suffolk County, NY

Frequently asked questions

What is the year built for 4 Keystone Court, Smithtown, NY 11787?

The development at 4 Keystone Court, Smithtown, NY 11787 was built in 2016.

What is the total square footage of 4 Keystone Court, Smithtown, NY 11787?

4 Keystone Court, Smithtown, NY 11787 has a total of 2,974 square feet.

When was 4 Keystone Court, Smithtown, NY 11787 last sold and what was the sale price?

4 Keystone Court, Smithtown, NY 11787 was last sold on 08/12/2016 for $698,000.

What is the assessed value of 4 Keystone Court, Smithtown, NY 11787?

4 Keystone Court, Smithtown, NY 11787 is currently assessed at $9,200.

What are the property taxes for 4 Keystone Court, Smithtown, NY 11787?

The property taxes for 4 Keystone Court, Smithtown, NY 11787 total $23,701.

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