How much does General Contracting cost in Walnut Creek, CA?

The cost of General Contracting in Walnut Creek depends on the project scope, materials selected, and current labor rates. Quartz Construction & Remodeling provides free detailed estimates so you know exactly what to expect. Call us at (650) 749-7436 or request a quote online — we serve Walnut Creek and all surrounding Bay Area cities.

Do I need a permit for General Contracting in Walnut Creek?

Most General Contracting projects in Walnut Creek require a building permit from the city's building department. Quartz Construction & Remodeling handles all permit applications, plan submissions, and city inspections as part of our full-service contracting. We are CSLB #1003436 and experienced with Walnut Creek's permitting process.

How long does General Contracting take in Walnut Creek?

The timeline for General Contracting in Walnut Creek varies by project size and complexity. After your free consultation, Quartz Construction & Remodeling provides a detailed project schedule. We work efficiently to minimize disruption to your home while maintaining the highest quality standards. Contact us at (650) 749-7436 for a realistic timeline estimate.

Is Quartz Construction & Remodeling licensed and insured in Walnut Creek?

Yes — Quartz Construction & Remodeling holds an active California Contractors State License (CSLB #1003436), carries full general liability insurance ($2M), and maintains workers' compensation coverage for all employees. We are fully authorized to perform General Contracting throughout Walnut Creek and all Bay Area cities.

General Contractor in Walnut Creek CA — Licensed & Insured | Quartz Construction

Quartz Construction & Remodeling is a licensed general contractor serving Walnut Creek, CA. As a Class B General Building Contractor (CSLB #1003436), we manage complete home renovation projects in Contra Costa 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 Walnut Creek general contractor.

General Contractor Services in Walnut Creek, CA

Industry Resources & Standards:

Kitchen Remodeling: Complete kitchen renovations in Walnut Creek including cabinet installation, quartz countertops, backsplash tile, new appliances, plumbing relocation, electrical panel upgrades, and layout changes. We pull all permits from the Walnut Creek Building Department and coordinate all inspections.
Bathroom Remodeling: Full bathroom renovations, master suite upgrades, walk-in shower conversions, and bathroom additions in Walnut Creek. Custom tile, frameless glass, and ADA-accessible designs for Contra Costa 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 Walnut Creek home.
ADU Construction: Detached ADUs, garage conversion ADUs, and JADUs throughout Walnut Creek. 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 Walnut Creek — updating a 1960s-1980s Contra Costa 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 Walnut Creek.
Deck and Outdoor Construction: Custom wood and composite decks, pergolas, covered patios, and outdoor kitchens designed and permitted for Walnut Creek backyards.
Window and Door Replacement: Energy-efficient window installation, front door replacement, and sliding door upgrades throughout Walnut Creek homes — all permitted per Walnut Creek Building Department requirements.

Why Walnut Creek 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 Walnut Creek 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 Contra Costa County homeowners
BBB A+ Accredited: Accredited member of the Better Business Bureau since 2015 with zero unresolved complaints
Local Walnut Creek Knowledge: Our team knows Walnut Creek’s permit process, common home construction types (Contra Costa County tract homes, hillside properties, mid-century modern), and local subcontractor network for fast, reliable project delivery

Get a Free Estimate from Your Walnut Creek General Contractor

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

Google Reviews

4.9 ★★★★★ (65+ reviews)

★★★★★

"Quartz Construction completely transformed our kitchen. Professional team, on-time, on-budget. The quartz countertops are stunning!"

— Maria T., Willow Glen

★★★★★

"Built our ADU in 4 months — permits, construction, everything. Renting it for $2,800/month now. Best investment we've made."

— James K., Almaden Valley

⭐ Read All Google Reviews Yelp Reviews BBB A+ Rating

What Our Clients Say

Join hundreds of happy Bay Area homeowners who trusted Quartz Construction & Remodeling for their projects.

      
   Quartz Construction
   65 Google reviews 
  Write a review 
  
 
 
   
 
 
       Posted on Google  
   
   Perry Finch 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Hila and her team did on our home addition. The new space flows beautifully with the existing structure, and the quality is clear in every finish. Finished on schedule and stress-free.
  
 
      Posted on Google  
   
   Joy Ruther 
 
 
 
 Trustindex verifies that the original source of the review is Google. Working with Ohad on our full home remodel was an incredible experience. He helped us through every decision and made sure everything turned out exactly how we envisioned. The team was easy to communicate with and super detail-focused. We still can’t believe how beautiful our home looks!
  
 
      Posted on Google  
   
   Ajay Mukhopadhyay 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently worked with Quartz Construction (Owner: Ohad) for a construction project to remodel our Bathroom and we couldn’t be more pleased with the results. From start to finish, their team demonstrated professionalism, and exceptional craftsmanship. They maintained clear communication throughout the project, kept us informed of progress and any potential changes, and delivered everything on time and within budget. Their quality of work is outstanding — every detail was handled with care and precision. What stood out most was their commitment to customer satisfaction. They were responsive to our questions, respectful of our space, and ensured that the final outcome matched our vision perfectly. If you're looking for a reliable, skilled, and trustworthy construction contractor, I wholeheartedly recommend Quartz Construction ( Ohad and his team) .They exceeded our expectations in every way. Ajay
  
 
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   debbie curley 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had a fantastic experience working with Quartz Construction And Remodeling. Ohad Maloul the owner was professional communicative and a pleasure to work with from start to finish. His team repaired and painted my backyard pergola and the quality of their work was truly excellent. They were always on time, friendly and responsive to any questions I had throughout the process. I appreciated the clear communication and attention to detail. I’m excited to work with Ohad and his team on future projects and highly recommend them to anyone looking for reliable, high-quality construction or remodeling services.
  
 
      Posted on Google  
   
   Harry Lewis 
 
 
 
 Trustindex verifies that the original source of the review is Google. Hila managed our balcony addition project with care and precision. The design complements our home perfectly, and the build quality is outstanding. She communicated every step and made the whole process easy. We’re thrilled with the result!
  
 
      Posted on Google  
   
   Qi Lei 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had the chance to work with Ohad and his construction team on a recent home project, and I was really impressed. Ohad is professional, easy to communicate with, and genuinely cares about the quality of the work. The crew showed up on time, kept the work area clean, and finished the job on schedule. It’s hard to find contractors who are reliable and transparent these days, but Ohad delivered on everything he promised. Would definitely recommend if you’re looking for someone who takes pride in their work and keeps things straightforward.
  
 
      Posted on Google  
   
   Boris Tyron 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Quartz Construction did on our backyard. Ohad’s team designed and built a gorgeous deck and patio that turned the area into a dream space. The quality and detail are fantastic. Highly recommend!
  
 
      Posted on Google  
   
   Gloria Collin 
 
 
 
 Trustindex verifies that the original source of the review is Google. Quartz Construction built the most beautiful pergola in our backyard, thanks to Ohad. He was easy to work with, listened to our needs, and delivered a structure that’s both stylish and durable. We now have a shaded space where we can relax and entertain guests.
  
 
      Posted on Google  
   
   Dustin Walsh 
 
 
 
 Trustindex verifies that the original source of the review is Google. They built a beautiful, durable pergola that fits our outdoor space perfectly. Hila paid close attention to both style and quality. We now have the perfect spot for lounging, gatherings, and enjoying every season.
  
 
      Posted on Google  
   
   Paul Wilins 
 
 
 
 Trustindex verifies that the original source of the review is Google. We feel incredibly lucky to have worked with Hila. She made the ADU process simple and stress-free, handling everything with care and professionalism. The final space is perfect—efficient, elegant, and exactly what we hoped for. Big thanks to her and the whole crew!
  
 
  
  
 
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