| Primary address | 20 Grand Street, Smithtown |
| Zip code | 11787 |
| County | Suffolk |
| Municipality | Smithtown |
| Parcel ID | 33-8-23 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $10,091 |
| Building sqft | 1,185 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.23 |
| Year built | 1955 |
| Stories | 1 |
| Bedrooms | 2 |
| Bathrooms | 1 |
| 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:
20 Grand Street, Smithtown, NY 11787 was built in 1955 and has a total of 1,185 square feet.
What is the assessed value of 20 Grand Street, Smithtown, NY 11787 and the property tax paid?Assessed at $4,240, the tax amount paid for 20 Grand Street, Smithtown, NY 11787 is $10,923.
When was 20 Grand Street, Smithtown, NY 11787 last sold?20 Grand Street, Smithtown, NY 11787 was last sold in 11/04/2016.
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 20 Grand 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 20 Grand 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 | $10,923 |
| Current property tax | $10,091 |
| Market value | $530,000 |
| Assessed value | $4,240 |
Here's the assessment & property tax history for 20 Grand 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 | $530,000 | $4,240 | 2576.282 | $10,923 | +4.31% |
| 2024-2025 | $493,023 | $4,240 | 2469.867 | $10,472 | +16.07% |
| 2023-2024 | $487,356 | $4,240 | 2127.961 | $9,023 | +2.50% |
| 2022-2023 | $605,714 | $4,240 | 2076.086 | $8,803 | -11.46% |
| 2021-2022 | $378,571 | $4,240 | 2344.675 | $9,941 | +1.58% |
The complete history of permits filed for 20 Grand 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 20 Grand 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 20 Grand 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 (miles) |
|---|---|---|---|---|---|
| Parkview Elementary School | 9 | Public | PK, K-3 | 405 | 0.83 |
| Parkview Elementary School | 9 | Public | PK, K-3 | 405 | 0.83 |
| Accompsett Elementary School | 7 | Public | K-5 | 527 | 1.29 |
| Developmental Disabilities Institute | NR | Private | 222 | 1.71 | |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 1.85 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Accompsett Middle School | 7 | Public | 6-8 | 532 | 1.32 |
| Developmental Disabilities Institute | NR | Private | 222 | 1.71 | |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 1.85 |
| William T Rogers Middle School | 7 | Public | 6-8 | 636 | 1.93 |
| Nesaquake Middle School | 7 | Public | 6-8 | 473 | 2.14 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Kings Park High School | 9 | Public | 9-12 | 857 | 1.23 |
| Smithtown High School West | 10 | Public | 9-12 | 1,270 | 1.46 |
| Developmental Disabilities Institute | NR | Private | 222 | 1.71 | |
| Smithtown Christian School | NR | Private | PK, K-12 | 529 | 1.85 |
| Smithtown High School East | 10 | Public | 9-12 | 1,475 | 2.81 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Grand Street, Smithtown.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 12 Ardmore Pl, Kings Park | 03/05/2014 | ||
| 17 Frank St, Smithtown | 05/08/2007 | ||
| 110 St Nicholas Ave, Smithtown | 1,869 | 10/16/2007 | |
| 147 St Nicholas Ave, Smithtown | |||
| 15 Windham Cres, Kings Park | 09/17/2021 | $477,000 | |
| 28 Grand St, Smithtown | 12/16/1998 | ||
| 5 Monroe CT, Smithtown | 1,907 | 11/14/2025 | |
| 19 Frank St, Smithtown | 1,828 | 08/30/2013 | $389,000 |
| 1253 St Johnland Rd, Kings Park | 953 | 01/11/2006 | $240,000 |
| 30 Grand St, Smithtown | 1,332 | ||
| 26 Grand St, Smithtown | 912 | 08/15/2006 | $440,000 |
| 119 St Nicholas Ave, Smithtown | 2,172 | 10/08/1996 | $83,942 |
| 4 Monroe CT, Smithtown | 1,755 | 08/16/2018 | $495,000 |
| 1 John St, Smithtown | 10/31/2025 | $480,000 | |
| 24 Grand St, Smithtown | 12/19/2024 | $340,000 | |
| 58 Ruth St, Smithtown | |||
| 117 St Nicholas Ave, Smithtown | 1,294 | 09/08/2022 | $609,000 |
| 17 John St, Smithtown | 2,009 | 11/01/2024 | |
| 18 Grand St, Smithtown | 04/27/1993 | $119,000 | |
| 115 St Nicholas Ave, Smithtown | 1,508 | 06/23/2014 | $319,000 |