399 Hawthorne Avenue

Property Overview

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.

Home Details

Property type: Residential - Single Family Residence
Year built: 2026
Living area: 4,281 sq ft
Lot size: 10,044 sq ft
Parking: 2 spaces
Garage: 2 spaces
Stories: 2
Days on market: 0
Full bathrooms: 5
Half bathrooms: 1
MLS status: Active
Zoning: R1

Community, Schools & Utilities

Community

Fireplace: Yes

Schools

School district: Other

Utilities

Heating: HeatPump
Cooling: CentralAir
Water: Public
Sewer: PublicSewer

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Location & Neighborhood

Los Altos, CA 94022

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Frequently Asked Questions About 399 Hawthorne Avenue

Property type: Residential

The current asking price is $4,990,000. Pricing is subject to change and may vary based on market conditions, negotiations, and property updates. Contact our team to verify current pricing.

Yes. Use the Book Visit action or contact form to request an in-person or virtual tour of 399 Hawthorne Avenue. Our team will confirm availability and timing.

This 5 bedrooms and 6 bathrooms property offers approximately 4,281 square feet of living space. It was built in 2026. Review the listing details and disclosures, then independently verify material features before making a decision.

The property is in Los Altos, California. Review the map, visit at relevant times of day, and verify schools, commute routes, services, noise, hazards, and local rules for the exact address.

Financing depends on the buyer, lender, property type, condition, appraisal, insurance, and association documents. A qualified lender can confirm available programs and costs for this Los Altos property.

The MLS currently reports the property as Active. It has been listed for 0 days. Status can change, so verify availability before relying on it.