Property photo 1
Property photo 2
5 Beds
6 Baths
4,281 sqft

$4,990,000

399 Hawthorne Avenue, Los Altos CA, 94022

Price per sqft$1,165.62
Built in2026
Property size4,281 sqft
Property typeResidential

Overview

Active

Listed Oct 30, 2026

Updated 2 days ago

Explore the potential of this approx. 10,044 SF flat lot in sought-after Los Altos, offered as land only for $4.99M or as a completed new construction home for $8.5M. The proposed two-story residence offers approx. 3,086 SF, 3 bed and 3.5 bath, plus an attached approx. 1,195 SF ADU with 2 bed and 2 bath, totaling approx. 4,281 SF of living space. The proposed plan features a dramatic two-story foyer and an open layout where the kitchen with large island, dining and living areas flow to an expansive rear deck for indoor-outdoor entertaining. The main level also offers a den with closet for a home office or guest room. The attached ADU has its own entrance, living room, kitchen, laundry, a primary suite with walk-in closet and private bath, plus a second bedroom and bath, ideal for multigenerational living or guests. Close to downtown Los Altos Village and its shops, restaurants and caf s, with easy commute access and acclaimed Los Altos schools. Buyers can personalize select design elements or enjoy the convenience of a completed home, which includes a builder warranty. Proposed plans, renderings, square footage and specifications are subject to change and final approval.

$33,199/mo

Est. mortgage payment based on a $4,990,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
ML82066177

Interior Features

Bedrooms
5
Bathrooms
6
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.23 Acres

Other Property Details

Garage
Yes
MLS provider logo

Listed by , with Aspire Homes
Listing Contact: 408-320-8584 

Bay East  ©2026 CCAR  ©2026. bridgeMLS  ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at 2:02 AM UTC, 10/31/2026.

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