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$15,280,000
22 Days On Site

818 Irwin Drive
HILLSBOROUGH, CA 94010

For Sale|Single Family Residence|Pending
5
Beds
6.5
Total Baths
6
Full Baths
1
Partial Bath
7,950
SqFt
$1,922
/SqFt
1927
Built
County:
San Mateo
Listed by of Stanley Lo of Green Banker Realty 6503730007
Call Now: (831) 254-6559
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(831) 254-6559
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Monthly Payment (Est.)

$69,714
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2025 Information is deemed reliable but not guaranteed.

Rare once-a-lifetime luxury estate in the prestigious Ryan Tract neighborhood of Lower Hillsborough! Set on a sprawling, all flat 42,304 sq ft lot, this gated home features 5 beds, 6.5 baths, solar panels, a full regulation tennis court, large pool with separate spa, lush gardens, spacious lawn areas, multiple patios, a putting green, outdoor BBQ, long private driveway, motor court, 3-car garage, etc. Inside the main residence you'll find an elevator, every bedroom with an en-suite bathroom, a chef's kitchen with a butler's panty, a family room, living room, formal dining room, several office workshops, and MORE! A true blend of elegance, scale, and resort-style living. In addition to the main house, there's also a pool house and full guest house attached to the 3-car garage. The total advertised square footage of 7,950 includes both the pool house and guest house as well as the main house. The 945 sqft guest house features 2 bedrooms, 2 bathrooms, and a full kitchen / living & dining room area. The 685 sqft pool house features a large living space, kitchenette, laundry, full bathroom, and sauna. On top of all that, you're within walking distance to popular Downtown Burlingame and families get access to some of California's best schools. This is elevated living!

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Listing Snapshot
Price 
$15,280,000
Days On Site 
22 Days
Bedrooms 
5
Inside Area (SqFt) 
7,950 sqft
Total Baths 
6.5
Full Baths 
6
Partial Baths 
1
Lot Size 
0.9712 Acres
Year Built 
1927
MLS® Number 
ML82010473
Status 
Pending
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
3 weeks agoListing updated with changes from the MLS®
3 weeks agoListing first seen on site
General Features
Acres 
0.9712
Cross Street 
Forestview Ave
Disclosures 
NHDS Report
Foundation 
Other
Garage 
Yes
Garage Spaces 
3
Number Of Stories 
2
Parking 
Detached
Property Sub Type 
Single Family Residence
Sewer 
Public Sewer
SqFt Total 
7950
Water Source 
Public
Zoning 
R10025
Interior Features
Appliances 
DishwasherRefrigeratorOtherRange
Cooling 
Other
Fireplace 
Yes
Fireplace Features 
Living Room
Flooring 
Hardwood
Heating 
Other
Interior 
Wet BarPantryElevatorHigh CeilingsWalk-In Closet(s)Double VanityKitchen Island
Laundry Features 
Inside
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Exterior Features
Exterior 
Outdoor KitchenOtherBalconyTennis Court(s)
Lot Features 
LevelBack YardOther
Other Structures 
Workshop
Patio And Porch 
Patio
Roof 
Other
Community Features
Accessibility Features 
Accessible Elevator Installed
School District 
San Mateo Union High
Schools
School District
San Mateo Union High
Elementary School
Unknown
Middle School
Unknown
High School
Unknown
Listed by of Stanley Lo of Green Banker Realty 6503730007



The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings™ MLS system. Real estate listings held by brokerage firms other than eXp Realty are marked with the Internet Data Exchange icon and detailed information about them includes the names of the listing brokers and listing agents. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2025, MLS Listings, Inc..
Last checked: 2025-10-13 08:38 PM UTC

Neighborhood & Commute
Source: Walkscore
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