| Primary address | 421 Union Avenue, Mount Vernon |
| Zip code | 10553 |
| County | Westchester |
| Municipality | Mt Vernon |
| Neighborhood | South Side Mount Vernon |
| Parcel ID | 169.31-3144-25 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $4,160 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.12 |
| 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).
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Assessed at $6,000, the tax amount paid for 421 Union Avenue, Mount Vernon, NY 10553 is $3,884.
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Create a free account to view the complete sales history for 421 Union Avenue, Mount Vernon, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 421 Union Avenue, Mount Vernon, NY 10553. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025 |
| Base tax | $3,884 |
| Current property tax | $4,160 |
| Market value | $333,333 |
| Assessed value | $6,000 |
Here's the assessment & property tax history for 421 Union Avenue, 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 | $333,333 | $6,000 | 647.37 | $3,884 | -0.11% |
| 2024 | $312,500 | $6,000 | 648.11 | $3,889 | -58.39% |
| 2023 | $350,877 | $6,000 | 1557.71 | $9,346 | +1.03% |
| 2022 | $298,507 | $6,000 | 1541.8683 | $9,251 | +1.48% |
| 2021 | $272,727 | $6,000 | 1519.4252 | $9,117 | +2.96% |
Create a free account to unlock extended information for 421 Union Avenue, 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 421 Union Avenue, 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 to school (mi) |
|---|---|---|---|---|---|
| Edward Williams School | 2 | Public | PK, K-8 | 473 | 0.12 |
| Edward Williams School | 2 | Public | PK, K-8 | 473 | 0.12 |
| Cecil H Parker School | 3 | Public | PK, K-8 | 256 | 0.32 |
| Cecil H Parker School | 3 | Public | PK, K-8 | 256 | 0.32 |
| Benjamin Turner Middle School | 2 | Public | 5-8 | 196 | 0.38 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Edward Williams School | 2 | Public | PK, K-8 | 473 | 0.12 |
| Cecil H Parker School | 3 | Public | PK, K-8 | 256 | 0.32 |
| Benjamin Turner Middle School | 2 | Public | 5-8 | 196 | 0.38 |
| Graham School | 3 | Public | PK, K-8 | 425 | 0.51 |
| Denzel Washington School-Arts | 6 | Public | 6-12 | 383 | 0.62 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Rebecca Turner Academy | 5 | Public | 9-12 | 218 | 0.40 |
| Denzel Washington School-Arts | 6 | Public | 6-12 | 383 | 0.62 |
| Pelham Memorial High School | 10 | Public | 9-12 | 875 | 0.90 |
| Fortress Christian Academy | NR | Private | K-12 | 0 | 1.07 |
| Nelson R Mandela/DR Hosea Zollicoffer High School | NR | Public | 9-12 | 80 | 1.30 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 421 Union Avenue, Mount Vernon.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 419 Union Ave, Mount Vernon | 07/28/2004 | $312,700 | |
| 407 Union Ave, Mount Vernon | 10/05/1998 | $150,000 | |
| 426 Union Ave, Mount Vernon | 02/16/2017 | $335,000 | |
| 418 Union Ave, Mount Vernon | 02/02/2022 | $520,000 | |
| 417 Union Ave, Mount Vernon | 03/13/2006 | ||
| 413 Union Ave, Mount Vernon | 11/27/2024 | $480,000 | |
| 434 Union Ave, Mount Vernon | 01/27/2021 | $475,000 | |
| 423 Union Ave, Mount Vernon | 06/12/2019 | $410,000 | |
| 439 Union Ave, Mount Vernon | 09/07/2005 | $585,000 | |
| 440 Union Ave, Mount Vernon | 03/21/2024 | ||
| 422 Union Ave, Mount Vernon | 12/30/2013 | $310,000 | |
| 411 Union Ave, Mount Vernon | 11/29/1999 | $51,000 | |
| 409 Union Ave, Mount Vernon | 06/14/2018 | ||
| 424 Union Ave, Mount Vernon | 02/15/2017 | $275,000 | |
| 412 Union Ave, Mount Vernon | 11/21/2022 | $725,000 | |
| 408 Union Ave, Mount Vernon | 03/21/2018 | $275,000 | |
| 430 Union Ave, Mount Vernon | 03/18/2022 | $439,000 | |
| 428 Union Ave, Mount Vernon | 02/11/2022 | $685,000 | |
| 414 Union Ave, Mount Vernon | 07/06/2022 | $490,000 | |
| 420 Union Ave, Mount Vernon | 04/30/2004 | $254,500 |