Innovation Through Focus

Mendoza Engineering delivers sustainable and efficient mechanical designs for both new construction and retrofit projects. We serve the residential and commercial sectors with a focused belief: when you dedicate yourself to doing one thing exceptionally well, remarkable results follow. Our approach is both personal and professional. We are active listeners, proactive collaborators, and technical experts with hands-on field experience. We invite you to partner with us and benefit from our deep technical knowledge and proven built field experience.

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Welcome

Mendoza Engineering, LLC is a City of San Francisco Certified SB 

At Mendoza Engineering, we bring over 20 years of expertise to every project—combining technical precision with a deep understanding of San Francisco’s unique residential landscape. Since our founding in 2012, we’ve partnered with mechanical contractors and architects to deliver innovative, efficient, and community-focused solutions. Our portfolio spans a wide range of residential work, with a strong emphasis on multi-family housing designed to meet the evolving needs of urban living.

We provide a full suite of services, including:

  • Mechanical, Plumbing, Fire Sprinkler Systems Design

  • Design/build performance specifications

  • Design review

  • Investigative consulting

Every project is personally overseen by our Principal, who remains actively involved from pre-design through post-occupancy. This hands-on leadership ensures a cohesive vision, consistent quality, and a seamless experience from start to finish.

With a strong foundation in both design/build and construction, we bring a practical, real-world perspective to every stage of development. This hands-on insight allows us to anticipate challenges, navigate complexities, and guide our clients with clarity and confidence—turning their vision into well-executed, successful projects.

About the Principal

Mario Mendoza is the Principal and Owner of Mendoza Engineering, bringing over 20 years of experience in mechanical engineering and building systems design. As a Registered Mechanical Engineer in the State of California, Mario is dedicated to delivering exceptional client service and high-quality technical design.

Mario is passionate about collaborating with clients and multidisciplinary teams to develop innovative, flexible solutions that prioritize both project goals and end-user needs. His deep understanding of the value of great design is matched by his commitment to practical, buildable outcomes.

He holds a Bachelor of Science degree in Mechanical Engineering from California Polytechnic State University, San Luis Obispo. Mario is an active member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and the American Society of Plumbing Engineers (ASPE).

Mario Mendoza, PE LEED G.A.

Contact Us

Get in touch with Mendoza Engineering for expert MEP consulting and mechanical design services today.