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$4,800,000
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Property Description
For the very first time in its storied history, this 1936 family estate is being offered to the public. This classic English Tudor is a landmark in its own right, a home that gracefully bridges Hillsborough's past and present. Set on nearly an acre of level land with views of the Bay and San Francisco skyline, the residence embodies timeless elegance. Its centerpiece is a remarkable floating spiral staircase anchored only at the bottom and top. With a large open kitchen connecting to the family room, plus 5 bedrooms and 5 full bathrooms (2 half baths), the estate is ready and waiting for its next owner (some photos are virtually staged)! There is a bedroom, library and full bathroom on the main level. The primary bedroom and 3 add'l bedrooms are upstairs. Outdoors, the gardens carry the signature of renowned landscape architect Thomas Church, whose designs shaped much of California's most beautiful private estates with broad lawns, graceful plantings and private spaces. Built by the Wisnoms, one of the founding families of San Mateo, The National Bank of San Mateo and cousins of Wisnoms Hardware family. This offering represents a rare opportunity: to own a piece of Hillsborough history and to become the next steward of a home designed with both legacy and livability at its core.
Full Property Details
Full Property Details for 923 Hayne Rd
General
- Sold For: $4,800,000
- Status: Closed
- Type: Single Family
- Source: RE_Infolink
- MLS ID: ML82022191
- Added to Site: 119 day(s) ago
Interior
- Fireplace(s): Family Room, Living Room, Primary Bedroom, Other
Rooms
Bathrooms
- Total Bathrooms: 7
- Full Bathrooms: 5
- Half Bathrooms: 2
Bedrooms
- Total Bedrooms: 5
Other Rooms
- Family Room: Kitchen / Family Room Combo, Separate Family Room
Additional Information
- Extras: Not Applicable
Parking
- Garage Spaces: 3
- Parking Features: Attached Garage
Location
- Area: Hillsborough Park Etc.
- County: San Mateo
- Cross Streets: Black Mountain Road
Heating & Cooling
- Cooling Type: None
- Heating Type: Forced Air
Utilities
- Sewer: Public Sewer
- Water: Public
- Utility Description: Public Utilities
Structural Information
- Construction: Detached
- Foundation: Other
- Roof: Other
- Square Feet: 5,050
- Year Built: 1936
Lot Features
- Lot Size (Acres): 0.9773
- Minimum Lot Size: 42570
- Lot Size (Sq. Ft.): 42,570
- Grounds/Landscape: Balcony / Patio, Sprinklers - Lawn
- Zoning: R10025
Listed by Compass, The Patty Dwyer Group
Sold by Apr, Serena Conti
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Schools
Schools serving 923 Hayne Rd
| Name | Grades | Distance |
|---|---|---|
North Hillsborough School 545 Eucalyptus Avenue, Hillsborough, CA 94010 | K-5 | 1.1 mi |
Crocker Middle School 2600 Ralston Avenue, Hillsborough, CA 94010 | 6-8 | 0.9 mi |
San Mateo High School 506 North Delaware Street, San Mateo, CA 94401 | 9-12 | 1.9 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 923 Hayne Rd
Date
Details
Price
Change
Source
12/04/2025
Sold
$4,800,000
-19.93%
MLS
9/19/2025
Listed
$5,995,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
923 Hayne Rd, Hillsborough, CA 94010 (MLS# ML82022191) is a Single Family property that was sold at $4,800,000 on December 04, 2025. Want to learn more about 923 Hayne Rd? Do you have questions about finding other Single Family real estate for sale in Hillsborough? You can browse all Hillsborough real estate or contact a Coldwell Banker agent to request more information.

