Suffolk County  »  11787  »  William St  »  47 William St

47 William Street, Smithtown, NY 11787 - Property report

Also known as: 47 William St

Property image for 47 William Street, Smithtown, NY 11787
static Mapbox map

Property type

One Family Year-Round Residence (210)

Year built

1955

Acreage

0.23

Sale price

$309,990

General information

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Address
Primary address
47 William Street
ZIP code
11787
County
Suffolk
Village (SWIS code)
473489
Parcel ID
134-2-6

Owner

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Sales
Sale date
10/03/2002
Sale price
$309,990
Arm's length
Tax
Tax year
2025-2026
Current property tax
$8,458
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.
970
Buildings on lot
1
Stories
1.5
Year built
1955
AC
No
Bedrooms
3
Bathrooms
1
Kitchens
1
Exterior wall
Alum/vinyl
Building style
Cape cod
Basement
Full
Heating type
Hot water/steam
Heating fuel
Oil
Lot
Acreage
0.23
Road type
Improved
Site desirability
Typical

Area overview

Walk score
58 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
67 /100.  Bikeable
School district
473401
Neighborhood type
Suburban
Neighborhood rating
Average

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

Ownership

Ownership information for 47 William Street, Smithtown, NY

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

Sales history for 47 William Street, Smithtown, NY 11787

Sale date Sale price Buyer name Seller name
10/03/2002 $309,990 XX XXX XXXXXX XXXX XXXXXX

*Most recent sale on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
10/17/2002 - R
10/03/2002 - D		 Deed XXXX XXXXXX XX XXX XXXXXX

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 47 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
$8,458
Base tax
$8,901
Recent tax assessments
Market value
$431,875
Assessed value
$3,455

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 $431,875 $3,455 2576.282 $8,901 +4.31%
2024-2025 $401,744 $3,455 2469.867 $8,533 +16.07%
2023-2024 $397,126 $3,455 2127.961 $7,352 +2.50%
2022-2023 $493,572 $3,455 2076.086 $7,173 -11.46%
2021-2022 $308,482 $3,455 2344.675 $8,101 +1.58%
2020-2021 $300,435 $3,455 2308.127 $7,975 -0.14%
2019-2020 $297,845 $3,455 2311.354 $7,986 +2.77%
2018-2019 $280,894 $3,455 2248.977 $7,770 +3.52%
2017-2018 $263,740 $3,455 2172.584 $7,506 +3.92%
2016-2017 $261,742 $3,455 2090.572 $7,223 -2.40%
Permits

Permit information for 47 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

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
St Patrick Elementary School NR Private PK, K-8 463 0.66
St Patrick Elementary School NR Private PK, K-8 463 0.66
Dogwood Elementary School 6 Public K-5 352 0.87
Mount Pleasant Elementary School 6 Public K-5 492 1.13
Smithtown Elementary School 6 Public K-5 514 1.25
Tackan Elementary School 7 Public K-5 499 1.52
Cleary School For The Deaf NR Private PK-12 79 1.93
Cleary School For The Deaf NR Private PK-12 79 1.93
Smithtown Christian School NR Private PK, K-12 529 2.06
Cherokee Street Elementary School 5 Public K-5 592 2.21
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Great Hollow Middle School 7 Public 6-8 828 0.52
St Patrick Elementary School NR Private PK, K-8 463 0.66
Nesaquake Middle School 7 Public 6-8 473 1.88
Cleary School For The Deaf NR Private PK-12 79 1.93
Smithtown Christian School NR Private PK, K-12 529 2.06
Ivy League School NR Private PK-8 253 2.06
Ivy League School NR Private PK-8 224 2.06
Hauppauge Middle School 6 Public 6-8 748 2.11
Ralph Reed School 3 Public 7-8 1,149 3.48
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Smithtown High School East 10 Public 9-12 1,475 1.66
Cleary School For The Deaf NR Private PK-12 79 1.93
Smithtown Christian School NR Private PK, K-12 529 2.06
Gersh Academy NR Private 6-12 0 2.30
Hauppauge High School 9 Public 9-12 1,079 2.32
Developmental Disabilities Institute NR Private 222 2.48
Lake Grove School NR Private 8-12 50 2.93
Sachem High School North 8 Public 9-12 1,923 3.64
Central Islip Senior High School 3 Public 9-12 2,576 3.83
Smithtown High School West 10 Public 9-12 1,270 3.95

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

Neighbors for 47 William Street, Smithtown, NY

33 Florence Ave, Smithtown 133 Summit Dr, Nesconset 67 Helen Ave, Smithtown 57 Helen Ave, Smithtown 48 William St, Smithtown 26 Maple Glen Ln, Nesconset 148 Terry Rd, Smithtown 64 Helen Ave, Smithtown 49 Helen Ave, Smithtown 10 Wysocki CT, Nesconset 31 Florence Ave, Smithtown 55 Helen Ave, Smithtown 129 Summit Dr, Nesconset 37 Florence Ave, Smithtown 41 Florence Ave, Smithtown 10 Catherine St, Smithtown 12 Wysocki CT, Nesconset 705 Smithtown Byp, Smithtown 131 Summit Dr, Nesconset 45 Florence Ave, Smithtown

Nearby ZIP codes for 47 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

What is the year built for 47 William Street, Smithtown, NY 11787?

The development at 47 William Street, Smithtown, NY 11787 was built in 1955.

What is the total square footage of 47 William Street, Smithtown, NY 11787?

47 William Street, Smithtown, NY 11787 has a total of 970 square feet.

When was 47 William Street, Smithtown, NY 11787 last sold and what was the sale price?

47 William Street, Smithtown, NY 11787 was last sold on 10/03/2002 for $309,990.

What is the assessed value of 47 William Street, Smithtown, NY 11787?

47 William Street, Smithtown, NY 11787 is currently assessed at $3,455.

What are the property taxes for 47 William Street, Smithtown, NY 11787?

The property taxes for 47 William Street, Smithtown, NY 11787 total $8,901.

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