| Primary address | 31 Mill Dam Road, Smithtown |
| Zip code | 11787 |
| County | Suffolk |
| Municipality | Smithtown |
| Parcel ID | 100-1-33 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/12/2025 |
| Sale price | $860,000 |
| Arm's length | Register |
| Current property tax | $14,767 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.53 |
| Zoning district | Register |
| 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 $5,760, the tax amount paid for 31 Mill Dam Road, Smithtown, NY 11787 is $14,839.
When was 31 Mill Dam Road, Smithtown, NY 11787 last sold and what was the last sale price?31 Mill Dam Road, Smithtown, NY 11787 was last sold in 12/12/2025 for $860,000.
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 31 Mill Dam Road, Smithtown, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 31 Mill Dam Road, Smithtown, NY 11787. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $14,839 |
| Current property tax | $14,767 |
| Market value | $720,000 |
| Assessed value | $5,760 |
Here's the assessment & property tax history for 31 Mill Dam Road, 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 | $669,767 | $5,760 | 2469.867 | $14,226 | +16.07% |
| 2023-2024 | $662,069 | $5,760 | 2127.961 | $12,257 | +2.50% |
| 2022-2023 | $822,857 | $5,760 | 2076.086 | $11,958 | -11.46% |
| 2021-2022 | $514,286 | $5,760 | 2344.675 | $13,505 | +1.58% |
| 2020-2021 | $500,870 | $5,760 | 2308.127 | $13,295 | -0.14% |
The complete history of permits filed for 31 Mill Dam Road, 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 31 Mill Dam Road, 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 31 Mill Dam Road, 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) |
|---|---|---|---|---|---|
| Developmental Disabilities Institute | NR | Private | 222 | 0.35 | |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 0.35 |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 0.35 |
| Smithtown Elementary School | 6 | Public | K-5 | 514 | 1.06 |
| Forest Brook Elementary School | 5 | Public | PK, K-5 | 369 | 1.39 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Developmental Disabilities Institute | NR | Private | 222 | 0.35 | |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 0.35 |
| Accompsett Middle School | 7 | Public | 6-8 | 532 | 1.56 |
| Ivy League School | NR | Private | PK-8 | 253 | 1.75 |
| Ivy League School | NR | Private | PK-8 | 224 | 1.75 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Developmental Disabilities Institute | NR | Private | 222 | 0.35 | |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 0.35 |
| Smithtown High School West | 10 | Public | 9-12 | 1,270 | 1.68 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.28 |
| Kings Park High School | 9 | Public | 9-12 | 857 | 2.50 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 31 Mill Dam Road, Smithtown.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 181 Alexander Ave, Nesconset | 2,289 | 08/21/2002 | |
| 8 Queens Ave, Kings Park | 1,620 | 06/12/2008 | $435,000 |
| 8 Teapot Ln, Smithtown | 1,475 | 11/20/2002 | $518,600 |
| 24 Abbot Rd, Smithtown | 2,012 | 09/20/2023 | $850,000 |
| 23 Grist Mill Dr, Kings Park | 2,615 | 07/17/2017 | $473,500 |
| 25 Wandering Way, Smithtown | 4,300 | 02/17/2022 | $999,000 |
| 257 2nd Ave, Saint James | 09/18/2007 | ||
| 22 Huntington Ave, Kings Park | 1,607 | 08/19/2019 | $519,500 |
| 24 Wren Dr, Hauppauge | 1,962 | 09/19/2005 | $485,000 |
| 19 New Mill Rd, Smithtown | 1,565 | 02/02/2012 | $360,000 |
| 17 N Ingelore CT, Smithtown | 1,850 | 08/22/1997 | |
| 86 Railroad Ave, Saint James | 1,544 | 03/02/2017 | |
| 155 3rd St W, Saint James | 762 | 04/30/2020 | $335,000 |
| 38 Avenue K, Kings Park | 01/13/2012 | $324,500 | |
| 239 Tredwell Ave, Saint James | 04/14/2023 | $141,975 | |
| 38 King Arthurs CT, Saint James | 1,782 | 12/17/2015 | $440,000 |
| 20 Dexter Ln, Kings Park | 1,830 | 01/17/2003 | $370,000 |
| 35 Engineers Rd, Hauppauge | 59,200 | 03/07/2019 | $6,650,000 |
| 46 Winslow Ln, Smithtown | 1,609 | 10/10/2002 | $410,000 |
| 71 Meadow Glen Rd, Northport | 2,486 | 04/29/2022 |