818 Irwin Drive, Hillsborough, CA 94010

$12,000,000
5
BD
7
BA
7,950
SqFt

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Sold Price
$12,000,000
List Price
$15,280,000
Status
CLOSED
MLS#
ML82010473
Closing Date
Dec 15, 2025
Year Built
1927
Property Type
Detached
Bedrooms
5
Bathrooms
7
Full Bathrooms
6
Half Bathrooms
1
Living Area
7,950
Lot Size
42,304
Acres
0.97
County
San Mateo
Subdivision
Ca

Property Description

Rare, once-in-a-lifetime luxury estate in the prestigious Ryan Tract of Lower Hillsborough. Set on a flat 42,304 sq ft gated lot, this property offers 5 beds, 6.5 baths, solar, regulation tennis court, large pool + separate spa, lush gardens, expansive lawns, multiple patios, putting green, outdoor BBQ, long private driveway, motor court, and 3-car garage. The main residence features an elevator; all bedrooms en-suite; chefs kitchen with butlers pantry; family room; living room; formal dining room; multiple office/workshop spaces; and more. Additional structures include a pool house and a full guest house attached to the garage. Total advertised living space of 7,950 sq ft includes the main house, 945 sq ft 2-bed/2-bath guest house with full kitchen and living/dining area, and a 685 sq ft pool house with living space, kitchenette, laundry, full bath, and sauna. Walking distance to Downtown Burlingame and access to top-rated California schools. A true blend of elegance, scale, and resort-style living.

Additional Information

Stories
2
Garage Spaces
3
Appliances
Dishwasher
Fireplace
Yes
Fireplace Features
Living Room
Flooring
Hardwood
Kitchen Features
Dishwasher, Kitchen Island, Pantry, Other
Lot Description
Level
Pool
Yes
Roof
Other
Water Sewer
Public
Elementary School
Hillsborough City Elementary
High School
San Mateo Union High

Mortgage Calculator

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Calculator source: Real Geeks

Listing courtesy of Stanley Lo from Green Banker Realty. 650-373-0007

Selling Office: Green Banker Realty.

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