Seller's Agent in 2026
Allan Styer
Compass Greater NY, LLC
(914) 908-0544
54 Total Sales
Welcome to 640 Hillside Avenue in Mamaroneck's highly sought after, Ryeneck district. Thoughtfully updated and impeccably maintained, this charming home offers a perfect blend of comfort and style. Every inch is beautifully utilized, featuring modern finishes, quality craftsmanship, and a well-appointed layout designed for easy living. A true gem for those seeking a move-in-ready home with character and convenience.
Last Agent to Sell the Property
Compass Greater NY, LLC Brokerage Phone: 914-341-1561 License #10301205309 Listed on: 04/17/2026
Co-Listed By
Compass Greater NY, LLC Brokerage Phone: 914-341-1561 License #10401302906
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Bargain Sale Deed | $13,700 | None Listed On Document | |
| Bargain Sale Deed | $506,000 | Future Title Agency | |
| Interfamily Deed Transfer | -- | Ceo Title Agency Inc | |
| Executors Deed | -- | First American Title Ins Co | |
| Interfamily Deed Transfer | -- | First American Title Ins Co |
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Previous Owner | $50,500 | Credit Line Revolving | |
| Previous Owner | $4,040,000 | New Conventional |
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 06/17/2026 06/17/26 | Sold | $1,050,000 | +17.3% | $810 / Sq Ft | |
| 04/24/2026 04/24/26 | Pending | -- | -- | -- | |
| 04/17/2026 04/17/26 | For Sale | $895,000 | +35.6% | $691 / Sq Ft | |
| 10/19/2020 10/19/20 | Sold | $660,000 | -2.2% | $509 / Sq Ft | View Prior Sale |
| 08/10/2020 08/10/20 | Price Changed | $675,000 | -0.6% | $521 / Sq Ft | |
| 06/26/2020 06/26/20 | For Sale | $679,000 | -- | $524 / Sq Ft | |
| 06/26/2020 06/26/20 | Pending | -- | -- | -- |
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $12,432 | $737,100 | $319,900 | $417,200 |
| 2024 | $16,581 | $695,300 | $319,900 | $375,400 |
| 2023 | $11,982 | $669,900 | $304,700 | $365,200 |
| 2022 | $11,806 | $632,000 | $304,700 | $327,300 |
| 2021 | $15,445 | $579,800 | $304,700 | $275,100 |
| 2020 | $18,460 | $579,800 | $304,700 | $275,100 |
| 2019 | $16,891 | $568,300 | $261,000 | $307,300 |
| 2018 | $10,325 | $556,700 | $256,300 | $300,400 |
| 2017 | $0 | $562,700 | $255,800 | $306,900 |
| 2016 | $15,639 | $515,400 | $225,600 | $289,800 |
Seller's Agent in 2026
Allan Styer
Compass Greater NY, LLC
(914) 908-0544
54 Total Sales
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Seller Co-Listing Agent in 2026
Colleen Styer
Compass Greater NY, LLC
(914) 341-1561
38 Total Sales
Buyer's Agent in 2026
Amanda Goldberg
William Raveis-New York, LLC
(917) 359-6845
54 Total Sales
Seller's Agent in 2020
Bradley Fischer
Julia B Fee Sothebys Int. Rlty
(914) 275-8453
15 Total Sales
Source: OneKey® MLS
MLS Number: 979974
APN: 4803-154-000-00033-001-0035-0000000
Ask me questions while you tour the home.