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399 Hawthorne Avenue, 
Los Altos, CA 94022

$4,990,000


5

Beds


6

Baths


4,281

Sq Ft


Single Family

Active

Aspire Homes

listing@axisrealtyus.com

Last updated:

November 4, 2026, 04:50 PM

MLS#

ML82066177

Source:

Bay East CCAR bridgeMLS

About This Home

399 Hawthorne Avenue

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.

Home Facts

Single Family

6 Baths

5 Bedrooms

Built in 2026

Price Summary

4,990,000

$1,165 per Sq. Ft.

MLS #:

ML82066177

Last Updated:

November 4, 2026, 04:50 PM

Added:

6 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

6

Full Bathrooms:

5

Interior

Living Area:

4,281 Sq. Ft.


Structure

Structure

Architectural Style:

Single Family Residence

Building Area:

4,281 Sq. Ft.

Year Built:

2026


Lot

Lot Size (Sq. Ft):

10,018


Finances & Disclosures

Finances

Price:

$4,990,000

Price per Sq. Ft:

$1,165 per Sq. Ft.

MLS Logo
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 November 4, 2026

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.