| Primary address | 21 Mercer Avenue, Hartsdale |
| Zip code | 10530 |
| County | Westchester |
| Municipality | Greenburgh |
| Parcel ID | 8.250-197-3 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/11/1999 |
| Sale price | $410,000 |
| Arm's length | Register |
| Current property tax | $15,358 |
| Building sqft | 1,844 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.17 |
| Year built | 1928 |
| Bathrooms | 2 |
| Zoning district | Register |
| School district | Greenburgh |
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:
21 Mercer Avenue, Hartsdale, NY 10530 was built in 1928 and has a total of 1,844 square feet.
What is the assessed value of 21 Mercer Avenue, Hartsdale, NY 10530 and the property tax paid?Assessed at $832,100, the tax amount paid for 21 Mercer Avenue, Hartsdale, NY 10530 is $17,821.
When was 21 Mercer Avenue, Hartsdale, NY 10530 last sold?21 Mercer Avenue, Hartsdale, NY 10530 was last sold in 11/09/2024.
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 21 Mercer Avenue, Hartsdale, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 08/11/1999 | $410,000 | Register | Register |
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 21 Mercer Avenue, Hartsdale, NY 10530. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025 |
| Base tax | $17,822 |
| Current property tax | $15,358 |
| Market value | $832,100 |
| Assessed value | $832,100 |
Here's the assessment & property tax history for 21 Mercer Avenue, Hartsdale, 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 | $832,100 | $832,100 | 21.418 | $17,822 | +0.88% |
| 2024 | $785,000 | $785,000 | 22.504 | $17,666 | +11.64% |
| 2023 | $697,600 | $697,600 | 22.6821 | $15,823 | -0.69% |
| 2022 | $666,400 | $666,400 | 23.9079 | $15,932 | +2.91% |
| 2021 | $616,600 | $616,600 | 25.1086 | $15,482 | +3.71% |
Create a free account to unlock extended information for 21 Mercer Avenue, Hartsdale, 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 21 Mercer Avenue, Hartsdale 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) |
|---|---|---|---|---|---|
| Sacred Heart School | NR | Private | PK, K-8 | 227 | 0.25 |
| Sacred Heart School | NR | Private | PK, K-8 | 227 | 0.25 |
| Highview School | 5 | Public | 2-4 | 246 | 0.43 |
| Greenacres School | 10 | Public | K-5 | 342 | 0.66 |
| Fox Meadow School | 10 | Public | K-5 | 469 | 0.98 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Sacred Heart School | NR | Private | PK, K-8 | 227 | 0.25 |
| Woodlands Senior High School | 6 | Public | 7-12 | 681 | 1.00 |
| The Leffell School | NR | Private | K-12 | 744 | 1.32 |
| Edgemont Junior Senior High School | 10 | Public | 7-12 | 949 | 1.37 |
| Solomon Schechter-Upper School | NR | Private | 6-12 | 0 | 1.40 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Woodlands Senior High School | 6 | Public | 7-12 | 681 | 1.00 |
| The Leffell School | NR | Private | K-12 | 744 | 1.32 |
| Edgemont Junior Senior High School | 10 | Public | 7-12 | 949 | 1.37 |
| Solomon Schechter-Upper School | NR | Private | 6-12 | 0 | 1.40 |
| Maria Regina High School | NR | Private | 9-12 | 544 | 1.40 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Mercer Avenue, Hartsdale.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 34 Andover Rd, Hartsdale | 1,297 | 03/28/2012 | $479,000 |
| 1 Mercer Ave, Hartsdale | 2,563 | 04/06/2018 | $700,000 |
| 46 Findlay Ave, Hartsdale | 2,595 | 09/24/2013 | $535,000 |
| 30 Andover Rd, Hartsdale | 1,512 | 08/03/1994 | $275,000 |
| 54 Caterson Ter, Hartsdale | 1,728 | ||
| 10 Holland Pl, Hartsdale | 1,776 | 03/05/2021 | $785,000 |
| 25 Mercer Ave, Hartsdale | 3,027 | 07/27/2022 | |
| 66 Caterson Ter, Hartsdale | 2,456 | 08/14/2009 | $850,000 |
| 32 Andover Rd, Hartsdale | 1,512 | 07/25/2017 | $445,000 |
| 15 Mercer Ave, Hartsdale | 2,446 | ||
| 70 Caterson Ter, Hartsdale | 2,492 | 01/11/2023 | $894,000 |
| 9 Charlotte Pl, Hartsdale | 2,484 | 05/14/2018 | |
| 40 Caterson Ter, Hartsdale | 1,719 | 07/28/2017 | $675,000 |
| 33 Mercer Ave, Hartsdale | 3,488 | 11/28/2007 | $1,225,730 |
| 30 Holland Pl, Hartsdale | 1,488 | 12/07/2017 | $264,000 |
| 50 Caterson Ter, Hartsdale | 2,041 | ||
| 4 Holland Pl, Hartsdale | 2,825 | ||
| 60 Caterson Ter, Hartsdale | 1,628 | 06/01/2023 | |
| 28 Andover Rd, Hartsdale | 1,512 | 06/28/2002 | $340,000 |
| 46 Caterson Ter, Hartsdale | 2,064 | 03/11/1997 | $300,000 |