$8,500,000
1390 Westridge DR
Portola Valley, CA, 94028
Contemporary single-level main residence with attached two-story ADU on 1.1+ private acres finished in 2021, offering direct Windy Hill views and walking distance to Portola Valley Town Center, library, restaurants, farmers market, and trailheads. Striking modern architecture features walls of glass, soaring ceilings, skylights, and white oak floors throughout. The dramatic great room opens to covered and open terraces and a level lawn just off the living room patio, with rear grounds anchored by a heritage oak. The designer kitchen showcases Calacatta marble surfaces, a waterfall island, and high-end appliances. The main residence includes a dedicated office, four bedrooms, and three and a half baths, highlighted by a serene primary suite with Windy Hill views and a Zen-inspired bath with private garden. A privately located bedroom suite is ideal for guests or an au pair. The attached ADU offers one bedroom, one bath, a full kitchen, and a living room with fireplace, with finishes matching the main home. Gated entry, custom pavers, cedar entry door, fountains, mature landscaping, level synthetic lawn, raised garden beds, and fully fenced grounds complete this desirable property. Total Finished square footage: 4,390 sq. ft. (main house: 3,520 sq. ft. and ADU: 870 sq. ft.)
Property Details
Price:
$8,500,000
MLS #:
ML82033403
Status:
Active
Beds:
5
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
699notdefined
Listed Date:
Feb 2, 2026
Finished Sq Ft:
3,520
Lot Size:
51,365 sqft / 1.18 acres (approx)
Year Built:
1964
Schools
School District:
Other
Interior
Appliances
DW, FZ, GD, MW, RF, DO, HOD, VEF
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Flooring
TILE, WOOD
Heating
FA
Laundry Features
DINC, WINC
Exterior
Architectural Style
CNT
Parking Spots
4
Roof
MTL
Financial
Get Out There, A Simply Outgoing Approach to Life. James Outland Jr. is one of those rare people who simply has an outgoing approach to life. No matter the activity… from dune buggy riding to skydiving to motorcycling to riding the local Pismo Beach waves… James Outland Jr. approaches life with a “just get out there and do it” kind of attitude. A zest for Life. James’ zest for life is obviously apparent in his many exciting hobbies. In his spare time, he loves riding dune buggies or hi…
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Current real estate data for Single Family in Portola Valley as of Feb 14, 2026
22
Single Family Listed
163
Avg DOM
1,188
Avg $ / SqFt
$3,903,725
Avg List Price
Community
- Address1390 Westridge DR Portola Valley CA
- CityPortola Valley
- CountySan Mateo
- Zip Code94028
Similar Listings Nearby
Property Summary
- 1390 Westridge DR Portola Valley CA is a Single Family for sale in Portola Valley, CA, 94028. It is listed for $8,500,000 and features 5 beds, 5 baths, and has approximately 3,520 square feet of living space, and was originally constructed in 1964. The current price per square foot is $2,415. The average price per square foot for Single Family listings in Portola Valley is $1,188. The average listing price for Single Family in Portola Valley is $3,903,725. To schedule a showing of MLS#ml82033403 at 1390 Westridge DR in Portola Valley, CA, contact your James Outland agent at 8057482262.
Courtesy of Coldwell Banker Realty. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than James Outland include the name of the listing broker. Neither the listing company nor James Outland shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved. 1390 Westridge DR
Portola Valley, CA



























































