Main St

Santa Clara, CA

The homeowner aimed to create a self-contained unit for extended family and potential future tenants. Their lot provided enough space, but local regulations and slope grading made planning and execution more complex. GMJ was brought in to deliver the full design-build solution.

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Project Challenges

  • Topography & Access:
    Sloped lot required grading and custom foundation planning.

  • Permitting Delays:
    Local permitting took longer than expected due to zoning changes mid-cycle.

  • Space Planning:
    Balancing code requirements with desired layout in a compact footprint.

Objectives

  • Deliver a complete 2-bedroom ADU that feels like a full-size home

  • Ensure independent access and livability

  • Use finishes that are durable, stylish, and cohesive with the main home

  • Keep the project on track despite permitting and site challenges

Results

  • Modern, Livable Space:
    Feels bright and open while remaining efficient in layout.

  • High ROI Potential:
    Ready for use as a rental, guest home, or private residence.

  • Smooth Handoff:
    Permits closed out, utilities activated, and the unit is move-in ready.

Solutions & Strategy

  • Site Engineering:
    Handled civil plans and foundation engineering to accommodate slope and drainage.

  • Design Efficiency:
    Used vaulted ceilings and large windows to make the space feel expansive.

  • Finish Selection:
    Chose white oak flooring, matte black fixtures, and high-contrast cabinetry for a fresh, contemporary look.

  • Energy Features:
    Included solar-ready conduit, tankless water heater, and a ductless mini-split system.

“GMJ handled everything—from site prep to finishes. The ADU looks amazing and feels way bigger than we expected. We’re so glad we went with a ground-up build.”