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Rare opportunity to own a home in the exclusive Blackstone community in the Hayward Hills. This 4 bed/3 bath, 3072 sq. ft. home with bay views from master suite, sits on a level, park-like lot that is nearly 1 acre. The driveway and front walk wind past the well-manicured front yard. The den on the main level is perfect for working from home, or use as a guest bedroom, with adjacent full bath. The kitchen features a Thermador range and vent hood, Sub-Zero refrigerator and new Bosch dishwasher. The family room, with its large windows, provide an abundance of natural light, and the fireplace is wonderful for winter nights. Walking out the French doors under the newly constructed redwood pergola leads to the sweeping back yard. Create your outdoor living space in the centrally located gazebo. Perfect for entertaining. Planter beds for the avid or budding gardener, and many areas to sit and enjoy the outdoors. 3 car garage. Castro Valley schools. A must see!
Listing agent: Sylvana Wong DRE #01297610 swonghomes@yahoo.com, Listing office: Coldwell Banker Realty
MLS data updated 10/24/2026, 2:11:04 PM PT
Source: CRMLS, MLS #: 40914522
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Sep 4, 2020
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
No recordNo property-price record in this range.ZIP 94542 · Oct 2026
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.