LOWER HILLSBOROUGH’S PREMIER ESTATE! LUXURY, DESIGN, & PRIVACY! Rare listing, a once-in-a-lifetime property w/ one of the LARGEST LOTS in its area — 1.286 ACRES OF TOTALLY FLAT LAND! European style Italian Villa, constructed to perfection resembling the work of "turn-of-the-century" architect George Howard. UPDATED & RENOVATED throughout the years. EXTENSIVE STREET SETBACK. Detached 5-car garage with a 1br/1ba ADU and private executive office / conference room. Amenities outside include a regulation tennis court, 2 separate spas, in-ground Pebble-Tec pool surrounded by flowering plants, A HUGE LAWN, multiple patios, a terrazzo terrace, vast motor court, statues by legendary sculptor Gaston Rognier, pristine landscaping by renowned designer Thomas Church, multiple gardens / flower beds, AND SO MUCH MORE! Additionally, the electrical, plumbing, heating, air conditioning, roofing, irrigation, retrofitting, & exterior lighting have all been upgraded modernizing this estate. Inside you’ll find a large formal living room & dining rooms, a chef’s kitchen, elliptical staircase w/ 40ft high entry, many 13ft high ceilings, butlers pantry, garden room, music room, whole house 22kW generator, smart electronic lighting, elevator, roof deck, multiple en-suites, & MORE! Too much to list here!
Property Details
Price:
$15,999,000
MLS #:
ML82018271
Status:
Active
Beds:
5
Baths:
6
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
699notdefined
Listed Date:
Aug 15, 2025
Finished Sq Ft:
8,500
Lot Size:
56,018 sqft / 1.29 acres (approx)
Year Built:
1912
See this Listing
Schools
School District:
Other
Interior
Appliances
Refrigerator
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Exterior
Parking Features
Other
Parking Spots
5.00
Roof
Other
Financial
Map
Community
- Address245 W Santa Inez Avenue Hillsborough CA
- Neighborhood699 – Not Defined
- CityHillsborough
- CountySan Mateo
- Zip Code94010
Market Summary
Current real estate data for Single Family in Hillsborough as of Oct 20, 2025
23
Single Family Listed
190
Avg DOM
1,615
Avg $ / SqFt
$8,810,430
Avg List Price
Property Summary
- 245 W Santa Inez Avenue Hillsborough CA is a Single Family for sale in Hillsborough, CA, 94010. It is listed for $15,999,000 and features 5 beds, 6 baths, and has approximately 8,500 square feet of living space, and was originally constructed in 1912. The current price per square foot is $1,882. The average price per square foot for Single Family listings in Hillsborough is $1,615. The average listing price for Single Family in Hillsborough is $8,810,430.
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245 W Santa Inez Avenue
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