Suffolk County  »  11787  »  William St  »  9 William St

9 William Street, Smithtown, NY 11787 - Property report

Also known as: 9 William St

Property image for 9 William Street, Smithtown, NY 11787
static Mapbox map

Property type

One Family Year-Round Residence (210)

Acreage

0.25

Sale price

$650,000

General information

Unlock this property report with a free account

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
9 William Street
ZIP code
11787
County
Suffolk
Village (SWIS code)
473489
Parcel ID
134-4-4

Owner

Find out who owns 9 William Street, Smithtown, NY 11787. Uncover corporate and individual owners with a free account.

Sales
Sale date
11/10/2022
Sale price
$650,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$9,184
Building
Property type
One Family Year-Round Residence (210)
Lot
Acreage
0.25

Area overview

Walk score
56 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
63 /100.  Bikeable
School district
473401

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

Ownership

Ownership information for 9 William Street, Smithtown, NY

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

Sales history for 9 William Street, Smithtown, NY 11787

Sale date Sale price Buyer name Seller name
11/10/2022 $650,000 XXXX XXXXXX XXXXXXX XXXXXX X
11/10/1999 $133,900 XXXXXX XXXXXX XXXXXX XXXXXXXX X

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
01/10/2023 - R
11/10/2022 - D		 Deed XXXXXXX XXXXXX X XXXX XXXXXX
11/23/1999 - R
11/10/1999 - D		 Deed XXXXXX XXXXXXXX X XXXXXX XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 9 William Street, 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
$9,184
Base tax
$9,584
Recent tax assessments
Market value
$465,000
Assessed value
$3,720

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 $465,000 $3,720 2576.282 $9,584 +4.31%
2024-2025 $432,558 $3,720 2469.867 $9,188 +16.07%
2023-2024 $427,586 $3,720 2127.961 $7,916 +2.50%
2022-2023 $531,429 $3,720 2076.086 $7,723 -11.46%
2021-2022 $332,143 $3,720 2344.675 $8,722 +1.58%
2020-2021 $323,478 $3,720 2308.127 $8,586 -0.14%
2019-2020 $320,690 $3,720 2311.354 $8,598 +2.77%
2018-2019 $302,439 $3,720 2248.977 $8,366 +3.52%
2017-2018 $283,969 $3,720 2172.584 $8,082 +3.92%
2016-2017 $281,818 $3,720 2090.572 $7,777 -2.40%
Permits

Permit information for 9 William Street, 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

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 9 William Street, 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)
St Patrick Elementary School NR Private PK, K-8 463 0.84
St Patrick Elementary School NR Private PK, K-8 463 0.84
Dogwood Elementary School 6 Public K-5 352 1.06
Mount Pleasant Elementary School 6 Public K-5 492 1.08
Smithtown Elementary School 6 Public K-5 514 1.37
Tackan Elementary School 7 Public K-5 499 1.43
Cleary School For The Deaf NR Private PK-12 79 1.80
Cleary School For The Deaf NR Private PK-12 79 1.80
Ivy League School NR Private PK-8 253 2.00
Cherokee Street Elementary School 5 Public K-5 592 2.03
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Great Hollow Middle School 7 Public 6-8 828 0.44
St Patrick Elementary School NR Private PK, K-8 463 0.84
Cleary School For The Deaf NR Private PK-12 79 1.80
Ivy League School NR Private PK-8 253 2.00
Ivy League School NR Private PK-8 224 2.00
Hauppauge Middle School 6 Public 6-8 748 2.01
Nesaquake Middle School 7 Public 6-8 473 2.08
Smithtown Christian School NR Private PK, K-12 529 2.13
Ralph Reed School 3 Public 7-8 1,149 3.32
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Cleary School For The Deaf NR Private PK-12 79 1.80
Smithtown High School East 10 Public 9-12 1,475 1.84
Smithtown Christian School NR Private PK, K-12 529 2.13
Gersh Academy NR Private 6-12 0 2.15
Hauppauge High School 9 Public 9-12 1,079 2.22
Developmental Disabilities Institute NR Private 222 2.55
Lake Grove School NR Private 8-12 50 2.92
Sachem High School North 8 Public 9-12 1,923 3.58
Central Islip Senior High School 3 Public 9-12 2,576 3.69
Smithtown High School West 10 Public 9-12 1,270 4.05

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

Neighbors for 9 William Street, Smithtown, NY

6 Brilner Dr, Smithtown 191 MT Pleasant Rd, Smithtown 172 Terry Rd, Ronkonkoma 33 Dale Ln, Smithtown 18 Helen Ave, Smithtown 44 Helen Ave, Smithtown 8 Alberta CT, Smithtown 145 Brooksite Dr, Smithtown 61 Rhoda Ave, Smithtown 48 Rhoda Ave, Smithtown 46 Rhoda Ave, Smithtown 22 Donnatella Ln, Nesconset 35 Dale Ln, Smithtown 151 Brooksite Dr, Smithtown 28 Helen Ave, Smithtown 19 William St, Smithtown 57 Rhoda Ave, Smithtown 133 Brooksite Dr, Smithtown 12 Helen Ave, Smithtown 90 Summit Dr, Smithtown

Nearby ZIP codes for 9 William Street, 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

When was 9 William Street, Smithtown, NY 11787 last sold and what was the sale price?

9 William Street, Smithtown, NY 11787 was last sold on 11/10/2022 for $650,000.

What is the assessed value of 9 William Street, Smithtown, NY 11787?

9 William Street, Smithtown, NY 11787 is currently assessed at $3,720.

What are the property taxes for 9 William Street, Smithtown, NY 11787?

The property taxes for 9 William Street, Smithtown, NY 11787 total $9,583.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account