ADU Construction in Los Altos

Atlas General Construction (CSLB #1059664) builds exceptional ADUs in Los Altos and Los Altos Hills. The larger lot sizes, higher median incomes, and premium rental market in these communities make ADU construction one of the best investments a homeowner can make.

We deliver full-service ADU development: feasibility, architectural design, structural engineering, City of Los Altos or County permit management, and complete construction through certificate of occupancy.

Detached ADU (most popular in Los Altos): Los Altos’ generous lot sizes frequently accommodate detached ADUs of 800–1,200 sq ft with private entrances, full kitchens, and luxury finishes.

Los Altos Hills ADU: Larger lots in Los Altos Hills can support substantial ADU structures. We navigate Santa Clara County permit requirements for unincorporated areas.

Garage Conversion: Transform your attached or detached garage into a high-end rental unit or guest house.

Attached ADU: A seamless addition to your existing home, architecturally matched and structurally integrated.

The rental market in Los Altos commands premium rates. A well-finished ADU in Los Altos typically generates:

• Studio (400–500 sq ft): $2,800–$3,800/month
• 1-bedroom (600–800 sq ft): $3,500–$5,000/month
• 2-bedroom (900–1,200 sq ft): $4,500–$7,000/month

With construction costs typically ranging from $250,000–$400,000, most Los Altos ADUs achieve full cost recovery within 5–7 years — and add substantial equity to your primary home.