Quartz Construction & Remodeling

Quartz Construction & Remodeling is a licensed general contractor serving Sunnyvale, CA. As a Class B General Building Contractor (CSLB #1003436), we manage complete home renovation projects in Santa Clara County — from kitchen and bathroom remodels to room additions, ADUs, and whole-home renovations. Call (650) 749-7436 for a free estimate from your trusted Sunnyvale general contractor.

General Contractor Services in Sunnyvale, CA

• Kitchen Remodeling: Complete kitchen renovations in Sunnyvale including cabinet installation, quartz countertops, backsplash tile, new appliances, plumbing relocation, electrical panel upgrades, and layout changes. We pull all permits from the Sunnyvale Building Department and coordinate all inspections.
• Bathroom Remodeling: Full bathroom renovations, master suite upgrades, walk-in shower conversions, and bathroom additions in Sunnyvale. Custom tile, frameless glass, and ADA-accessible designs for Santa Clara County homeowners.
• Room Additions: Bedroom additions, primary suite additions, family room additions, and full second-story additions. We handle engineering, permits, and construction — adding valuable square footage to your Sunnyvale home.
• ADU Construction: Detached ADUs, garage conversion ADUs, and JADUs throughout Sunnyvale. We design, permit, and build complete turnkey ADUs that generate rental income or provide multigenerational living space.
• Full Home Renovation: Complete home gut renovations in Sunnyvale — updating a 1960s-1980s Santa Clara County home to modern standards with open-concept layouts, updated electrical and plumbing, new HVAC, and contemporary finishes throughout.
• Foundation and Structural Work: Seismic retrofit, load-bearing wall removal (with engineered beam), foundation repair coordination, and structural framing changes requiring building permits in Sunnyvale.
• Deck and Outdoor Construction: Custom wood and composite decks, pergolas, covered patios, and outdoor kitchens designed and permitted for Sunnyvale backyards.
• Window and Door Replacement: Energy-efficient window installation, front door replacement, and sliding door upgrades throughout Sunnyvale homes — all permitted per Sunnyvale Building Department requirements.

Why Sunnyvale Homeowners Choose Quartz Construction

• CSLB Licensed and Insured: Class B General Building Contractor license #1003436 — verify at cslb.ca.gov. Fully bonded and carrying $2M general liability and workers’ compensation insurance
• Permit Experts: We handle all permit applications, plan submittals, and coordination with the Sunnyvale Building Department — homeowners never need to navigate Building and Safety alone
• 4.9-Star Google Rating: Earned through consistent quality, schedule adherence, and transparent communication with Santa Clara County homeowners
• BBB A+ Accredited: Accredited member of the Better Business Bureau since 2015 with zero unresolved complaints
• Local Sunnyvale Knowledge: Our team knows Sunnyvale’s permit process, common home construction types (Santa Clara County tract homes, hillside properties, mid-century modern), and local subcontractor network for fast, reliable project delivery

Get a Free Estimate from Your Sunnyvale General Contractor

Contact Quartz Construction & Remodeling — your trusted general contractor in Sunnyvale, CA. Serving all neighborhoods in Sunnyvale and throughout Santa Clara County. CSLB #1003436 | BBB A+ | 4.9 Stars on Google. Call (650) 749-7436.