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$12,000,000
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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.
Full Property Details
Full Property Details for 818 Irwin Dr
General
- Sold For: $12,000,000
- Status: Closed
- Type: Single Family
- Source: RE_Infolink
- MLS ID: ML82010473
- Added to Site: 117 day(s) ago
Interior
- Rooms/Areas: Office Area, Workshop, Other
- Interior Features: High Ceiling , Walk-In Closet, Wet Bar
- Fireplace(s): Living Room
- Flooring: Hardwood
Rooms
Bathrooms
- Total Bathrooms: 7
- Full Bathrooms: 6
- Half Bathrooms: 1
- Bathroom Features: Double Sinks, Shower and Tub, Tub , Other
Bedrooms
- Total Bedrooms: 5
- Bedroom Features: More than One Primary Bedroom
Other Rooms
- Family Room: Separate Family Room
- Kitchen: Dishwasher, Island, Oven/Range, Pantry, Refrigerator, Other
- Laundry: Inside
Additional Information
- Pool: Yes
- Extras: Not Applicable
Parking
- Garage Spaces: 3
- Parking Features: Detached Garage
Location
- Area: Ryan Tract Etc.
- County: San Mateo
- Cross Streets: Forestview Ave
Heating & Cooling
- Cooling Type: Other
- Heating Type: Other
Utilities
- Sewer: Public Sewer
- Water: Public
- Utility Description: Public Utilities
Structural Information
- Construction: Detached
- Foundation: Other
- Roof: Other
- Disability Access: Elevator/Lift
- Square Feet: 7,950
- Year Built: 1927
Lot Features
- Lot Size (Acres): 0.9712
- Minimum Lot Size: 42304
- Lot Size (Sq. Ft.): 42,304
- Grounds/Landscape: Back Yard, Balcony / Patio, BBQ Area, Outdoor Kitchen, Tennis Court, Other
- Zoning: R10025
- Lot Description: Level
Green Features
- Energy Efficient: Solar Power
Listed by Green Banker Realty, Stanley Lo
Sold by Grba, Stanley Lo
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Schools
Schools serving 818 Irwin Dr
| Name | Grades | Distance |
|---|---|---|
North Hillsborough School 545 Eucalyptus Avenue, Hillsborough, CA 94010 | K-5 | 0.5 mi |
Crocker Middle School 2600 Ralston Avenue, Hillsborough, CA 94010 | 6-8 | 0.7 mi |
Burlingame High School 1 Mangini Way, Burlingame, CA 94010 | 9-12 | 1.1 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 818 Irwin Dr
Date
Details
Price
Change
Source
12/15/2025
Sold
$12,000,000
-21.47%
MLS
9/21/2025
Listed
$15,280,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
818 Irwin Dr, Hillsborough, CA 94010 (MLS# ML82010473) is a Single Family property that was sold at $12,000,000 on December 15, 2025. Want to learn more about 818 Irwin Dr? 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.

