| Primary address | 9 William Street, Smithtown |
| Zip code | 11787 |
| County | Suffolk |
| Municipality | Smithtown |
| Parcel ID | 134-4-4 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/10/2022 |
| Sale price | $650,000 |
| Arm's length | Register |
| Current property tax | $9,184 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.25 |
| 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:
Assessed at $3,720, the tax amount paid for 9 William Street, Smithtown, NY 11787 is $9,583.
When was 9 William Street, Smithtown, NY 11787 last sold and what was the last sale price?9 William Street, Smithtown, NY 11787 was last sold in 11/10/2022 for $650,000.
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 9 William Street, Smithtown, including title documents, transfer conditions, mortgages and liens.
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 9 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 | $9,584 |
| Current property tax | $9,184 |
| Market value | $465,000 |
| Assessed value | $3,720 |
Here's the assessment & property tax history for 9 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 |
|---|---|---|---|---|---|
| 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% |
The complete history of permits filed for 9 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 9 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 9 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 | 0.84 |
| 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 |
| 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 | 0.84 |
| 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 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| 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 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 9 William Street, Smithtown.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 6 Brilner Dr, Smithtown | 1,332 | 02/27/2001 | |
| 191 MT Pleasant Rd, Smithtown | 08/16/2019 | $420,000 | |
| 172 Terry Rd, Ronkonkoma | 05/19/2021 | $675,000 | |
| 33 Dale Ln, Smithtown | 02/09/2016 | ||
| 18 Helen Ave, Smithtown | 2,020 | 11/17/2017 | $440,000 |
| 44 Helen Ave, Smithtown | 07/16/1999 | $235,000 | |
| 8 Alberta CT, Smithtown | 1,867 | 12/28/2017 | $562,500 |
| 145 Brooksite Dr, Smithtown | 1,287 | 03/05/1998 | |
| 61 Rhoda Ave, Smithtown | 01/17/2019 | ||
| 48 Rhoda Ave, Smithtown | 05/18/2007 | $470,000 | |
| 46 Rhoda Ave, Smithtown | 03/31/2023 | ||
| 22 Donnatella Ln, Nesconset | 1,862 | 08/12/2016 | $465,000 |
| 35 Dale Ln, Smithtown | 1,376 | ||
| 151 Brooksite Dr, Smithtown | 2,103 | 12/20/1995 | $187,460 |
| 28 Helen Ave, Smithtown | 1,154 | 11/14/2023 | $600,000 |
| 19 William St, Smithtown | 1,968 | 02/21/2019 | $499,000 |
| 57 Rhoda Ave, Smithtown | 1,545 | 07/23/2015 | |
| 133 Brooksite Dr, Smithtown | 1,942 | 12/03/2015 | $435,000 |
| 12 Helen Ave, Smithtown | 1,496 | 09/11/1998 | $152,000 |
| 90 Summit Dr, Smithtown | 1,971 | 07/29/2024 | $720,000 |