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ADU Construction & Design

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.

ABOUT THE SERVICE – ADU Construction & Design

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.

RECENT PROJECTS

THINGS TO CONSIDER

Local zoning and ADU regulations

Intended use (rental, family, office)

Utility connections and capacity

Privacy, access, and layout planning

Construction timeline and budget

Pros

  • Adds livable square footage
  • Generates rental income potential
  • Increases property value
  • Flexible long-term use
  • Efficient land utilization

Cons

  • Requires permits and approvals
  • Longer construction timeline
  • Initial investment cost

WHY CHOOSE Quartz Construction

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.

WHAT SETS US APART FROM OTHERS

  • ADU-specific design and build expertise
  • Strong permitting and zoning knowledge
  • Efficient space planning
  • Full-service project management
  • High-quality craftsmanship
Q1: What is an ADU?

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.

AREAS WE SERVICE

  • San Jose, CA
  • Mountain View, CA
  • Redwood, CA
  • San Mateo, CA
  • Milpitas, CA
  • Alameda, CA
  • Los Gatos, CA
  • Palo Alto, CA
  • Concord, CA
  • Santa Clara, CA
  • Danville, CA
  • Santa Clarita, CA
  • Clayton, CA
  • Los Altos, CA
  • Walnut Creek, CA
  • Lafayette, CA
  • Orinda, CA
  • Pleasant Hill, CA
  • Alamo, CA
  • Blackhawk, CA
  • Moraga, CA
  • Fremont, CA
  • Livermore, CA
  • Castro Valley, CA
  • Dublin, CA
  • Menlo Park, CA
  • Cupertino, CA
  • Newark, CA
  • Belmont, CA
  • Stanford, CA
  • Foster City, CA
  • Pleasanton, CA
  • Campbell, CA
  • Hayward, CA
  • Saratoga, CA
  • San Ramon, CA
  • Union City, CA
  • San Leandro, CA
  • Sunnyvale, CA
  • San Carlos, CA

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.

Location

Address: 1777 Hamilton Avenue #1080, San Jose, 95125 California, USA.

Address: 1070 White Oak Dr, Concord, CA 94521

Mon-Sat: 08:00 – 19:00

© 2025 Quartz Construction and Remodeling, San Jose, California.