| Primary address | 40 William Street, Mount Vernon |
| Zip code | 10552 |
| County | Westchester |
| Municipality | Mt Vernon |
| Neighborhood | Fleetwood |
| Parcel ID | 165.38-1048-28 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/21/2015 |
| Sale price | $335,000 |
| Arm's length | Register |
| Current property tax | $5,338 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.07 |
| Units | 2 |
| Water supply | Comm/public |
| Sewer | Comm/public |
| Zoning district | Register |
| School district | Mount Vernon |
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 $7,700, the tax amount paid for 40 William Street, Mount Vernon, NY 10552 is $4,984.
When was 40 William Street, Mount Vernon, NY 10552 last sold and what was the last sale price?40 William Street, Mount Vernon, NY 10552 was last sold in 10/21/2015 for $335,000.
How many residential units does this building have?This building has 2 residential unit(s).
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 40 William Street, Mount Vernon, 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 40 William Street, Mount Vernon, NY 10552. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025 |
| Base tax | $4,985 |
| Current property tax | $5,338 |
| Market value | $427,778 |
| Assessed value | $7,700 |
Here's the assessment & property tax history for 40 William Street, Mount Vernon, 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 | $427,778 | $7,700 | 647.37 | $4,985 | -0.11% |
| 2024 | $401,042 | $7,700 | 648.11 | $4,990 | -58.39% |
| 2023 | $450,292 | $7,700 | 1557.71 | $11,994 | +1.03% |
| 2022 | $383,085 | $7,700 | 1541.8683 | $11,872 | +1.48% |
| 2021 | $350,000 | $7,700 | 1519.4252 | $11,700 | +2.96% |
Create a free account to unlock extended information for 40 William Street, Mount Vernon, 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 40 William Street, Mount Vernon 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) |
|---|---|---|---|---|---|
| Mount Vernon Leadership Academy | 5 | Public | PK, K-8 | 404 | 0.18 |
| Mount Vernon Leadership Academy | 5 | Public | PK, K-8 | 404 | 0.18 |
| Milestone School | NR | Private | PK-4 | 105 | 0.30 |
| Milestone School | NR | Private | PK-4 | 105 | 0.30 |
| NELSON MANDELA/DR HOSA ZOLLICOFFER | 5 | Public | PK, K-8 | 367 | 0.39 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Mount Vernon Leadership Academy | 5 | Public | PK, K-8 | 404 | 0.18 |
| NELSON MANDELA/DR HOSA ZOLLICOFFER | 5 | Public | PK, K-8 | 367 | 0.39 |
| Intellectus Preparatory Charter School | NR | Charter | 6-7 | 51 | 0.49 |
| Lincoln School | 6 | Public | K-8 | 498 | 0.50 |
| The Montfort Academy | NR | Private | 7-12 | 169 | 0.53 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Mount Vernon STEAM Academy | NR | Public | 9-12 | 756 | 0.20 |
| Nelson R Mandela/DR Hosea Zollicoffer High School | NR | Public | 9-12 | 80 | 0.21 |
| The Montfort Academy | NR | Private | 7-12 | 169 | 0.53 |
| Fortress Christian Academy | NR | Private | K-12 | 0 | 0.64 |
| Denzel Washington School-Arts | 6 | Public | 6-12 | 383 | 0.98 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 40 William Street, Mount Vernon.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 38 William St, Mount Vernon | 12/16/1999 | $225,000 | |
| 328 Rich Ave, Mount Vernon | 09/26/2025 | ||
| 8 Linden Ave, Mount Vernon | 12/12/2019 | $540,000 | |
| 141 Primrose Ave, Mount Vernon | 05/02/2025 | ||
| 310 Rich Ave, Mount Vernon | 10/20/1994 | $225,000 | |
| 148 Wallace Ave, Mount Vernon | 11/21/2007 | $672,000 | |
| 34 William St, Mount Vernon | 1,950 | 11/21/2012 | |
| 151 Primrose Ave, Mount Vernon | 12/20/2004 | ||
| 142 Villa St, Mount Vernon | 19,485 | 12/04/2014 | |
| 10 Linden Ave, Mount Vernon | 04/11/2022 | $500,000 | |
| 314 Rich Ave, Mount Vernon | 05/23/1995 | $286,000 | |
| 46 William St, Mount Vernon | 08/18/1995 | $102,446 | |
| 549 N High St, Mount Vernon | 05/31/2007 | $610,000 | |
| 6 Linden Ave, Mount Vernon | 10/11/2018 | $480,000 | |
| 42 William St, Mount Vernon | 1,950 | 06/27/2014 | $315,000 |
| 30 Linden Ave, Mount Vernon | 07/29/2019 | $799,000 | |
| 140 Wallace Ave, Mount Vernon | 11/04/2009 | ||
| 150 Villa St, Mount Vernon | 06/04/2021 | $548,000 | |
| 22 Linden Ave, Mount Vernon | 11/06/2013 | ||
| 2 Linden Ave, Mount Vernon | 1,300 |