| Primary address | 330 Union Avenue, Mamaroneck |
| Zip code | 10543 |
| County | Westchester |
| Municipality | Rye |
| Parcel ID | 154.42-1-8 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 07/18/2006 |
| Sale price | $850,000 |
| Arm's length | Register |
| Current property tax | $29,377 |
| Building sqft | 3,540 |
| Building class | Three Family Year-Round Residence (230) |
| Acreage | 0.44 |
| Lot dimensions | 50 ft X 404 ft |
| Frontage | 50 |
| Depth | 404 |
| Year built | 1856 |
| Stories | 3 |
| Units | 3 |
| Rooms | 14 |
| Bedrooms | 8 |
| Bathrooms | 4 |
| Kitchen | 3 |
| Water supply | Comm/public |
| Sewer | Comm/public |
| Zoning district | Register |
| School district | Rye Neck |
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:
330 Union Avenue, Mamaroneck, NY 10543 was built in 1856 and has a total of 3,540 square feet.
What is the assessed value of 330 Union Avenue, Mamaroneck, NY 10543 and the property tax paid?Assessed at $1,351,000, the tax amount paid for 330 Union Avenue, Mamaroneck, NY 10543 is $29,192.
When was 330 Union Avenue, Mamaroneck, NY 10543 last sold and what was the last sale price?330 Union Avenue, Mamaroneck, NY 10543 was last sold in 07/18/2006 for $850,000.
How many residential units does this building have?This building has 3 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 330 Union Avenue, Mamaroneck, 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 330 Union Avenue, Mamaroneck, NY 10543. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025 |
| Base tax | $29,192 |
| Current property tax | $29,377 |
| Market value | $1,351,000 |
| Assessed value | $1,351,000 |
Here's the assessment & property tax history for 330 Union Avenue, Mamaroneck, 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 | $1,351,000 | $1,351,000 | 21.6079 | $29,192 | +5.89% |
| 2024 | $1,286,700 | $1,286,700 | 21.4249 | $27,567 | -1.30% |
| 2023 | $1,237,200 | $1,237,200 | 22.5745 | $27,929 | +1.77% |
| 2022 | $1,178,300 | $1,178,300 | 23.2904 | $27,443 | +1.43% |
| 2021 | $1,081,000 | $1,081,000 | 25.0283 | $27,056 | -5.48% |
Access a detailed real estate market overview of Mamaroneck so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Mamaroneck and compare it to other neighborhoods in Westchester County.
Create a free account to unlock extended information for 330 Union Avenue, Mamaroneck, 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) | 0.2, AE, X (See more on map) |
Access the detailed traffic volume map for 330 Union Avenue, Mamaroneck 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) |
|---|---|---|---|---|---|
| French-American School of New York | NR | Private | PK-12 | 765 | 0.26 |
| French-American School of New York | NR | Private | PK-12 | 765 | 0.26 |
| F E Bellows Elementary School | 8 | Public | 3-5 | 347 | 0.41 |
| Mamaroneck Avenue School | 6 | Public | K-5 | 684 | 0.44 |
| Daniel Warren Elementary School | NR | Public | K-2 | 320 | 0.69 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| French-American School of New York | NR | Private | PK-12 | 765 | 0.26 |
| Rye Neck Middle School | 7 | Public | 6-8 | 351 | 1.01 |
| Westchester Day School | NR | Private | PK, K-8 | 379 | 1.31 |
| Ss John & Paul School | NR | Private | PK-8 | 349 | 1.45 |
| Hommocks School | 7 | Public | 6-8 | 1,258 | 1.48 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| French-American School of New York | NR | Private | PK-12 | 765 | 0.26 |
| Mamaroneck High School | 8 | Public | 9-12 | 1,660 | 0.99 |
| Rye Neck Senior High School | 9 | Public | 9-12 | 515 | 1.01 |
| Westchester Hebrew High School | NR | Private | 9-12 | 87 | 1.31 |
| Harrison High School | 9 | Public | 9-12 | 1,064 | 1.95 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 330 Union Avenue, Mamaroneck.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 316 Frank Ave, Mamaroneck | 2,326 | 12/19/2022 | $960,000 |
| 418 Wagner Ave, Mamaroneck | 2,324 | 08/20/2010 | |
| 303 Jefferson Ave, Mamaroneck | 1,874 | 04/17/2025 | |
| 316 Union Ave, Mamaroneck | 1,879 | 11/21/2025 | $930,000 |
| 312 Frank Ave, Mamaroneck | 1,332 | 12/31/2014 | $560,500 |
| 333 Frank Ave, Mamaroneck | 2,529 | 05/04/2012 | $875,000 |
| 324 Frank Ave, Mamaroneck | 1,908 | 10/25/2017 | $901,000 |
| 353 Frank Ave, Mamaroneck | 1,048 | 09/02/2011 | |
| 412 Wagner Ave, Mamaroneck | 1,144 | ||
| 408 Wagner Ave, Mamaroneck | 2,240 | 08/29/2017 | $475,000 |
| 327 Wagner Ave, Mamaroneck | 3,461 | 01/13/2000 | $600,000 |
| 345 Frank Ave, Mamaroneck | 1,544 | 06/13/2018 | $655,000 |
| 341 Frank Ave, Mamaroneck | 1,024 | ||
| 404 Wagner Ave, Mamaroneck | 1,244 | 08/10/2017 | $633,000 |
| 400 Wagner Ave, Mamaroneck | 1,764 | 07/30/1999 | $367,500 |
| 416 Wagner Ave, Mamaroneck | 3,122 | 04/30/1997 | $233,000 |
| 320 Union Ave, Mamaroneck | 2,124 | 06/10/2022 | |
| 332 Union Ave, Mamaroneck | 2,348 | 04/26/2019 | $620,000 |
| 326 Union Ave, Mamaroneck | 2,250 | 07/27/2018 | $955,000 |
| 348 Wagner Ave, Mamaroneck | 2,032 | 07/01/2022 | $1,205,000 |