Building Smarter.
Building Greener.
Building for the Future.

Full-service green contractor for homeowners, cities, businesses, and nonprofits in the San Francisco Bay Area.

Your full-service sustainable contractor

We’re a woman- and AAPI-owned business serving homeowners, cities, nonprofits, and businesses with a holistic approach to green building.

From permitting to final inspector sign-off, we manage every detail with precision and sustainability in mind. Our inclusive approach to decision-making means fewer mistakes, lower costs, and better results.

• Licensed Professional Engineer • Class B General Contractor LEED Accredited Professional • Woman & AAPI-Owned

• Licensed Professional Engineer • Class B General Contractor LEED Accredited Professional • Woman & AAPI-Owned

Who we serve

  • For homewoners

    Offering design + build services for new construction, remodels, and seismic retrofits.

  • For cities & government

    We can help you meet climate action goals with beautiful buildings that serve the public.

  • For businesses

    Make your business more sustainable with our LEED-certified green building experts.

  • For nonprofits

    Bring your community together in healthy spaces where people love to connect.

Why Choose KR Sustainable Structures?

LEED design principles

Green building that’s more affordable in the long run. Over 20 years, maintenance costs are ~20% of home value — we make that go away.

Save my project program

A 2-hour consultation could save you $200K+ in budget overruns. Free if you hire us.

One-stop shop

In-house architects + full-time W2 staff in engineering, design, and construction. From permitting to final sign-off.

Inclusive decision-making

We proactively bring the right people to the table. Fewer mistakes, lower costs, better results.

Learn about our approach

Save your project, before it starts.

A two-hour consultation with our experts could save you $200K in budget overruns
from preventable common problems. Free if you hire us.

Book a consultation

$200K

Potential savings from proactive planning

100+

Bay Area home retrofits completed since 2018

2 hours

Expert consultation with Kathy Rai, PE, LEED AP

15 + years

Commercial project experience

Trusted by Leaders, Loved by Clients

  • “I wish I brought KR Sustainable Structures on board before I hired the architect.”

    Homeowner client, Bay Area residence

  • "KRSS are the best structural engineers in the East Bay.”

    Shirley Dean, former mayor of Berkeley

  • “They saved us from costly mistakes and delivered with care.”

    Dr. Richard Lee, Laser Surgery Center Founder

 

Ready to start building sustainably?

Let’s create your future together.

Schedule an appointment