| Primary address | 5 William Street, Smithtown |
| Zip code | 11787 |
| County | Suffolk |
| Municipality | Smithtown |
| Parcel ID | 134-4-40 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/18/1996 |
| Sale price | $108,000 |
| Arm's length | Register |
| Current property tax | $11,948 |
| Building sqft | 773 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.32 |
| Year built | 1948 |
| Stories | 1 |
| Bedrooms | 3 |
| Bathrooms | 1 |
| School district | Smithtown |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
5 William Street, Smithtown, NY 11787 was built in 1948 and has a total of 773 square feet.
What is the assessed value of 5 William Street, Smithtown, NY 11787 and the property tax paid?Assessed at $4,730, the tax amount paid for 5 William Street, Smithtown, NY 11787 is $12,185.
When was 5 William Street, Smithtown, NY 11787 last sold?5 William Street, Smithtown, NY 11787 was last sold in 12/22/2012.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 5 William Street, Smithtown, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 10/18/1996 | $108,000 | Register | Register |
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 5 William Street, Smithtown, NY 11787. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $12,186 |
| Current property tax | $11,948 |
| Market value | $591,250 |
| Assessed value | $4,730 |
Here's the assessment & property tax history for 5 William Street, Smithtown, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2025-2026 | $591,250 | $4,730 | 2576.282 | $12,186 | +4.31% |
| 2024-2025 | $550,000 | $4,730 | 2469.867 | $11,682 | +16.07% |
| 2023-2024 | $543,678 | $4,730 | 2127.961 | $10,065 | +2.50% |
| 2022-2023 | $675,715 | $4,730 | 2076.086 | $9,820 | -11.46% |
| 2021-2022 | $422,322 | $4,730 | 2344.675 | $11,090 | +1.58% |
The complete history of permits filed for 5 William Street, Smithtown, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
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 County.
Create a free account to unlock extended information for 5 William Street, Smithtown, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 5 William Street, Smithtown to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Patrick Elementary School | NR | Private | PK, K-8 | 463 | 0.88 |
| St Patrick Elementary School | NR | Private | PK, K-8 | 463 | 0.88 |
| Mount Pleasant Elementary School | 6 | Public | K-5 | 492 | 1.07 |
| Dogwood Elementary School | 6 | Public | K-5 | 352 | 1.10 |
| Smithtown Elementary School | 6 | Public | K-5 | 514 | 1.39 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Great Hollow Middle School | 7 | Public | 6-8 | 828 | 0.44 |
| St Patrick Elementary School | NR | Private | PK, K-8 | 463 | 0.88 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.78 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 1.99 |
| Ivy League School | NR | Private | PK-8 | 253 | 1.99 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.78 |
| Smithtown High School East | 10 | Public | 9-12 | 1,475 | 1.88 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.11 |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 2.15 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.20 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 5 William Street, Smithtown.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 20 William St, Smithtown | 1,608 | 08/06/2001 | |
| 1 Helen Ave, Smithtown | 2,342 | ||
| 7 Florence Ave, Smithtown | |||
| 16 Caroline Ave, Smithtown | 660 | 10/04/2022 | $425,000 |
| 8 Annette Ave, Smithtown | 1,099 | 03/25/2021 | $505,000 |
| 176 Terry Rd, Smithtown | |||
| 6 Caroline Ave, Smithtown | 1,045 | 05/03/2018 | $345,000 |
| 190 Terry Rd, Smithtown | 07/02/2019 | $112,372 | |
| 5 Caroline Ave, Smithtown | 1,874 | 06/26/2019 | $505,000 |
| 11 Williams St, Smithtown | 1,040 | 06/14/2010 | |
| 11 Helen Ave, Smithtown | 2,586 | 09/26/2017 | $530,000 |
| 12 Caroline Ave, Smithtown | 575 | 10/16/2020 | $206,270 |
| 3 Annette Ave, Smithtown | 1,245 | 09/26/2003 | $369,000 |
| 14 Helen Ave, Smithtown | 06/29/2020 | $68,417 | |
| 15 William St, Smithtown | 1,560 | 01/10/1996 | $148,000 |
| 18 William St, Smithtown | 1,608 | 03/17/1995 | $160,000 |
| 1 Annette Ave, Smithtown | 09/29/2025 | ||
| 198 Terry Rd, Smithtown | 03/17/1997 | ||
| 6 Annette Ave, Smithtown | 05/04/2023 | ||
| 7 William St, Smithtown | 1,760 | 11/20/2003 | $390,000 |