General Contractor Grass Valley

Building Trust, One Home at a Time

At Gustin and Sumida Construction, we’re more than just contractors—we’re your neighbors, and we’re proud to be the general contractor homeowners in Grass Valley, Nevada City, and the Sierra Nevada Foothills trust for reliable, high-quality residential construction. With decades of hands-on experience, we offer full-service solutions for custom homes, remodels, additions, and everything in between—delivered with craftsmanship, clear communication, and a commitment to doing things the right way.

Whether you’re planning a new home from the ground up or reimagining your current space, our locally owned and operated team is here to guide you every step of the way.

Full-Service Residential Construction & Remodeling

We provide a complete range of residential construction services—designed to simplify your experience while maximizing quality and value.

Our General Contracting Services Include:

  • Custom Home Construction
    Build the home you’ve always envisioned with our comprehensive design-build services, tailored to your land, lifestyle, and budget.

  • Whole-Home Remodels
    Reimagine your existing space with full-scale renovations that improve flow, energy efficiency, and long-term value.

  • Room Additions & Expansions
    Whether it’s a new bedroom, home office, or expanded kitchen, we’ll ensure your addition feels seamless and enhances your home’s overall function.

  • Site Preparation & Planning
    We handle land clearing, grading, and foundational prep with precision, setting your project up for long-term success.

  • Permitting & Project Management
    From navigating local codes to coordinating subcontractors, we take care of all the logistics so you don’t have to.

  • Interior & Exterior Finishing
    Expect polished results with expert craftsmanship in cabinetry, flooring, siding, trim, painting, and more.

From the first blueprint to the final walkthrough, we’re with you every step of the way.

Why Homeowners Trust Gustin and Sumida Construction?

Choosing the right general contractor matters—and our long-standing reputation in Grass Valley, Nevada City, and surrounding Sierra Foothills communities speaks for itself. We bring a deep understanding of local building codes, terrain, and styles—along with a commitment to the kind of service that earns lasting trust.

What Sets Us Apart:

  • Locally owned & operated with strong community ties

  • Decades of combined experience in residential construction

  • Licensed & fully insured for your peace of mind

  • Transparent communication from day one

  • Skilled craftsmanship with attention to every detail

  • Projects delivered on time and within budget—no surprises

We don’t just build homes—we build relationships. And we treat every project like it’s happening in our own backyard.

Let’s Build Something Great Together

Whether you're planning a new custom home, a full remodel, or a smart addition, Gustin and Sumida Construction is here to help you build with confidence. As your local Grass Valley general contractor, we bring vision, experience, and reliability to every job.

Schedule a consultation today or contact us online to get started. Let’s build something great—together.

Proudly Serving the Sierra Nevada Foothills

Gustin and Sumida Construction offers expert home remodeling services throughout the Sierra Nevada Foothills region, including:

  • Grass Valley

  • Nevada City

  • Auburn

  • Colfax

  • Penn Valley

  • Meadow Vista

  • Alta Sierra

  • Foresthill

And the surrounding mountain and foothill communities. Whether you're nestled in a quiet rural neighborhood or located in a historic downtown district, we're your trusted local partner for high-quality renovations.