Suffolk County  »  11787  »  William St  »  31 William St

31 William Street, Smithtown, NY 11787 - Property report

Also known as: 31 William St

Property image for 31 William Street, Smithtown, NY 11787
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Property type

One Family Year-Round Residence (210)

Year built

1938

Acreage

0.25

Sale price

$10

General information

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Address
Primary address
31 William Street
ZIP code
11787
County
Suffolk
Village (SWIS code)
473489
Parcel ID
134-3-4

Owner

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Sales
Sale date
08/04/2025
Sale price
$10
Arm's length
Tax
Tax year
2025-2026
Current property tax
$7,331
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.
1,194
Buildings on lot
1
Stories
1
Year built
1938
AC
No
Bedrooms
3
Bathrooms
1
Kitchens
1
Exterior wall
Wood
Building style
Ranch
Basement
Partial
Heating type
Hot water/steam
Heating fuel
Oil
Lot
Acreage
0.25
Road type
Improved
Site desirability
Typical

Area overview

Walk score
60 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
65 /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 31 William Street, Smithtown, NY

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

Sales history for 31 William Street, Smithtown, NY 11787

Sale date Sale price Buyer name Seller name
08/04/2025 $10 XXXXXX XXXXXXXXXX; XXX XXXXXXX XXXXXX XXXXXXXXXXX XXXXX XXXX XXXXXXX, XX. XXXXXXX; XXXXX XXXXXXX X
10/24/1995 $122,000

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
08/26/2025 - R
08/04/2025 - D		 Deed XXXX XXXXXXX, XX. XXXXXXX XXXXXX XXXXXXXXXX
11/13/1995 - R
10/24/1995 - D		 Deed

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 31 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
$7,331
Base tax
$9,494
Recent tax assessments
Market value
$460,625
Assessed value
$3,685
Exemptions

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 $460,625 $3,685 2576.282 $9,494 +4.31%
2024-2025 $428,488 $3,685 2469.867 $9,101 +16.07%
2023-2024 $423,563 $3,685 2127.961 $7,842 +2.50%
2022-2023 $526,429 $3,685 2076.086 $7,650 -11.46%
2021-2022 $329,018 $3,685 2344.675 $8,640 +1.58%
2020-2021 $320,435 $3,685 2308.127 $8,505 -0.14%
2019-2020 $317,672 $3,685 2311.354 $8,517 +2.77%
2018-2019 $299,593 $3,685 2248.977 $8,287 +3.52%
2017-2018 $281,298 $3,685 2172.584 $8,006 +3.92%
2016-2017 $279,167 $3,685 2090.572 $7,704 -2.40%
Permits

Permit information for 31 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
View 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 0.75
St Patrick Elementary School NR Private PK, K-8 463 0.75
Dogwood Elementary School 6 Public K-5 352 0.96
Mount Pleasant Elementary School 6 Public K-5 492 1.10
Smithtown Elementary School 6 Public K-5 514 1.30
Tackan Elementary School 7 Public K-5 499 1.48
Cleary School For The Deaf NR Private PK-12 79 1.87
Cleary School For The Deaf NR Private PK-12 79 1.87
Ivy League School NR Private PK-8 253 2.03
Cherokee Street Elementary School 5 Public K-5 592 2.12
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Great Hollow Middle School 7 Public 6-8 828 0.48
St Patrick Elementary School NR Private PK, K-8 463 0.75
Cleary School For The Deaf NR Private PK-12 79 1.87
Nesaquake Middle School 7 Public 6-8 473 1.97
Ivy League School NR Private PK-8 253 2.03
Ivy League School NR Private PK-8 224 2.03
Hauppauge Middle School 6 Public 6-8 748 2.06
Smithtown Christian School NR Private PK, K-12 529 2.09
Ralph Reed School 3 Public 7-8 1,149 3.41
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Smithtown High School East 10 Public 9-12 1,475 1.75
Cleary School For The Deaf NR Private PK-12 79 1.87
Smithtown Christian School NR Private PK, K-12 529 2.09
Gersh Academy NR Private 6-12 0 2.23
Hauppauge High School 9 Public 9-12 1,079 2.27
Developmental Disabilities Institute NR Private 222 2.51
Lake Grove School NR Private 8-12 50 2.92
Sachem High School North 8 Public 9-12 1,923 3.61
Central Islip Senior High School 3 Public 9-12 2,576 3.76
Smithtown High School West 10 Public 9-12 1,270 4.00

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

Neighbors for 31 William Street, Smithtown, NY

28 William St, Smithtown 42 Elizabeth Ave, Smithtown 10 Elizabeth Ave, Smithtown 27 George St, Smithtown 8 Maple Glen Ln, Nesconset 57 George St, Smithtown 35 Florence Ave, Smithtown 28 Elizabeth Ave, Smithtown 6 Maple Glen Ln, Nesconset 12 Maple Glen Ln, Nesconset 12 Gemini Ln, Nesconset 162 Terry Rd, Smithtown 154 Terry Rd, Smithtown 10 Maple Glen Ln, Nesconset 19 Helen Ave, Smithtown 32 William St, Smithtown 9 Helen Ave, Smithtown 2 Maple Glen Ln, Nesconset 4 Maple Glen Ln, Nesconset 6 Elizabeth Ave, Smithtown

Nearby ZIP codes for 31 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 31 William Street, Smithtown, NY 11787?

The development at 31 William Street, Smithtown, NY 11787 was built in 1938.

What is the total square footage of 31 William Street, Smithtown, NY 11787?

31 William Street, Smithtown, NY 11787 has a total of 1,194 square feet.

When was 31 William Street, Smithtown, NY 11787 last sold and what was the sale price?

31 William Street, Smithtown, NY 11787 was last sold on 08/04/2025 for $10.

What is the assessed value of 31 William Street, Smithtown, NY 11787?

31 William Street, Smithtown, NY 11787 is currently assessed at $3,685.

What are the property taxes for 31 William Street, Smithtown, NY 11787?

The property taxes for 31 William Street, Smithtown, NY 11787 total $9,493.

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