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Decades of Proven Commercial Expertise Under One Roof

Rittenbach Roofing & Waterproofing Services, Inc. provides a foundation of trust for California’s commercial property owners through a rare combination of technical mastery and personal accountability. Your property’s best defense, all under one roof.

Our Competitive Advantage: The Rittenbach Standard

As a family-owned and minority-owned enterprise, we maintain a level of oversight that larger corporations cannot match. We do not rely on subcontractors: our reputation is built on the hands of our own specialized team.
  • Veteran Leadership: Every foreman on our roster brings a minimum of 40 years of direct industry experience to your job site.

  • Minority-Owned Excellence: We are proud to contribute to a diverse professional landscape in California, where minority-owned businesses currently represent approximately 45% of all firms, driving innovation and localized economic growth.

  • Direct Accountability: Because we are family-owned, every project is a reflection of our name. You receive direct communication and a commitment to quality that starts at the top.

White commercial rooftop with HVAC ductwork
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A Culture of Safety and Technical Precision

In the high-stakes environment of commercial construction, safety is not a suggestion: it is our primary metric for success. We invest heavily in the protection of your assets, your tenants, and our workforce to ensure a zero-incident environment.

Our Rigorous Safety Protocols:

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    Certified Oversight

    Our foremen hold both OSHA 30-hour and 10-hour Occupational Safety and Health certifications.

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    Continuing Education

    All personnel participate in mandatory quarterly safety intensives led by independent professional consultants.

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    Tenant Protection

    We specialize in “active-site” projects, implementing strategic barriers and noise mitigation to ensure your business remains operational during our work.

Solving Complex Intrusion Challenges

Water intrusion is a leading cause of structural depreciation in California. Our team focuses on identifying the root cause of leaks rather than applying temporary patches. From high-rise deck coatings to industrial TPO systems, we provide the dependable workmanship required to secure your building's envelope for the long term.