ADU construction and design allows homeowners to add a fully functional living unit to their property while increasing flexibility, rental potential, and overall property value. A properly designed ADU maximizes space efficiency, comfort, and compliance with local building regulations.
ADU construction and design includes site evaluation, architectural layout, engineering coordination, permitting, foundation work, framing, roofing, plumbing, electrical, insulation, interior finishes, and final inspections. Each ADU is designed to function as an independent living space while complementing the primary residence.
Quartz Construction specializes in ADU projects with a focus on compliance, efficiency, and long-term durability. We manage the entire process from design through final inspection to deliver high-quality ADUs with minimal stress.
A self-contained residential unit located on the same property as a primary home.
Yes, ADUs are commonly used for rental income.
Typically 4–8 months depending on scope and approvals.
Yes, full permits and inspections are required.
Yes, layouts and finishes are fully customizable.
Yes, significantly in most cases.
Yes, depending on design and local regulations.
Yes, depending on zoning rules.
Quartz is a construction and remodeling company serving San Jose and the nearby areas. Our firm offers a wide range of services, including full-home renovations, kitchen remodeling, bathroom renovations, window replacement, deck building and repair, patio construction, and more.
Address: 1777 Hamilton Avenue #1080, San Jose, 95125 California, USA.
Mon-Sat: 08:00 – 19:00
© 2025 Quartz Construction and Remodeling, San Jose, California.