AGNSY
399 Hawthorne Avenue
Los Altos · 94022

399 Hawthorne Avenue

2026 · 5 BD · 5.5 BA · 4,281 SQFT
List
$4.99M
399 Hawthorne Avenue photo 1
399 Hawthorne Avenue photo 2
399 Hawthorne Avenue photo 3
399 Hawthorne Avenue photo 4

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 cafés, 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.

Bedrooms
5
Bathrooms
5.5
Interior
4,281sqft
Year built
2026
Lot size
10,044sqft
$ / Sqft
$1,166
Days on market
11d
Disclosure package
Not sourced yet.
Comp position · Sale price
Street View
Commute · Tue 8:30am
San Francisco
37m
Palo Alto
12m
Mountain View
16m
Similar homes
Offer this amount
$4.99M
What you keep at closing
$106,038
Buyer-side commission$124,750
Agnsy retains · 15%$18,712
Returned to you · 85%$106,038