Custom Homes

Building a beautiful and functional Home that will last generations.

At Gustin & Sumida Construction, we combine modern innovation with time-honored craftsmanship. We create custom homes that are built to last and designed to reflect your unique vision. From the first consultation to the final finishing touches, we prioritize a top-notch customer service experience, ensuring every detail is handled with care, communication is clear, and your journey is as seamless as the finished product. Whether residential or commercial, we turn your ideas into spaces you’ll be proud of.

Full-Service Custom Home Builder, Designed Around You

We specialize in custom homes tailored to your vision, lifestyle, and long-term needs. From timeless architectural styles to innovative modern features, our experienced team manages every detail—from the first sketch to the final walkthrough.

Our Custom Home Services Include:

  • Full Custom Home Builds
    From the ground up, we bring your dream home to life with personalized floor plans, premium materials, and exceptional craftsmanship.

  • Modern & Traditional Designs
    Whether you envision sleek contemporary lines or classic charm, we blend style with function to match your aesthetic and way of living.

  • Energy-Efficient & Smart Home Features
    Integrate sustainable building practices and cutting-edge technology—from solar panels to smart thermostats—for comfort, efficiency, and long-term value.

  • Luxury Kitchens & Living Spaces
    Create warm, functional spaces with open layouts, chef’s kitchens, custom cabinetry, and finishes tailored to your taste.

  • Outdoor Living & Custom Exteriors
    Extend your living space with custom patios, outdoor kitchens, and thoughtfully designed landscaping that complements your home’s architecture.

Every detail matters—and we’re here to ensure your custom home is not only beautifully built, but also a perfect fit for the life you want to live.

Why our customers trust us to build their dream homes.

We’re not just builders—we’re part of the community. At Gustin and Sumida Construction, we understand the unique needs of homeowners in Grass Valley, Auburn, and the Sierra Nevada Foothills. Our Custom Home building services are guided by craftsmanship, transparency, and a genuine commitment to your comfort and satisfaction.

What Sets Us Apart:

  • Licensed & fully insured for your protection

  • Accurate estimates and dependable project timelines

  • Deep knowledge of local building codes and styles

  • Courteous, clean, and professional crews

  • Proven track record of finishing projects on time and on budget

Let’s Build Your Dream Bathroom

If you’re ready to start your bathroom remodeling journey in Grass Valley, Nevada City, or the Sierra Nevada Foothills, we’d love to help bring your vision to life.

Contact Gustin & Sumida Construction today to schedule a consultation or request a free quote. Let’s create a bathroom that feels like home—functional, stylish, and uniquely yours.

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.