Business Details
48 Years
experience
Trusted Engineering Solutions in Santa Rosa, CA
Summit Engineering, established in 1978, is a multidisciplinary engineering firm headquartered in Santa Rosa, California. Our expertise spans civil, structural, electrical, and water/wastewater engineering, serving diverse industries including wineries, residential developments, hospitality, and commercial projects. With over four decades of experience, we combine technical excellence with a client-centric approach to deliver functional, sustainable solutions tailored to site-specific challenges. Our team of licensed professionals prioritizes innovation, constructability, and regulatory compliance, ensuring projects transition seamlessly from concept to completion. We maintain deep roots in California's Wine Country while extending our impact to regional and national markets.Sustainability and community engagement are core to our values, reflected through our Certified California Green Business status and active local involvement. Our collaborative culture fosters creative problem-solving, supported by advanced modeling tools and a commitment to long-term client relationships. From seismic retrofitting to utility system design, we address complex technical demands while maintaining cost-effectiveness and operational efficiency. Our leadership team brings specialized knowledge in permitting processes, facility planning, and due diligence assessments, positioning us as trusted advisors across multiple sectors.
Services
Engineering Design
Facility Planning
Permitting Services
Due Diligence Assessments
Civil Engineering
Structural Engineering
Electrical Engineering
Water/Wastewater Systems
Sustainable Design
Seismic Retrofitting
Details
- Year established: 1978
Highlights and features
- We offer 45+ years of multidisciplinary engineering experience in California's Wine Country
- Our team includes licensed civil, structural, and electrical engineers with specialized certifications
- We provide end-to-end project management from concept design to permitting compliance
- Our sustainable design approach reduces environmental impact while meeting regulatory standards
- We maintain direct client collaboration throughout all project phases for transparent outcomes
Associations and certifications
- Certified California Green Business
Services
Civil Engineering
Our civil engineering team creates functional, sustainable infrastructure solutions addressing grading, drainage, and utility systems. We specialize in stormwater management, roadway design, and CalTrans permitting for commercial and industrial projects. Our designs balance aesthetic goals with technical site requirements while maintaining compliance with local regulations.
Structural Engineering
We deliver cost-effective structural solutions for new construction and renovations using advanced modeling tools. Our expertise includes seismic analysis, catwalk design, and equipment support systems. We prioritize constructability and long-term durability across winery facilities, commercial buildings, and special-use structures like art installations and underground spaces.
Permitting Services
With 40+ years of local agency experience, we streamline permitting processes for complex projects. Our services include submittal preparation, jurisdiction coordination, and compliance documentation for land use, environmental regulations, and building codes. We specialize in North Bay County requirements and State Resources Control Board permitting for water-related projects.
Water/Wastewater Systems
We design efficient water treatment, storage, and distribution systems for municipal and industrial clients. Our capabilities include septic system design, facultative lagoons, and effluent reuse systems. We provide Title 22 compliance documentation and operational support for systems ranging from 1,000 to 1 million gallons per day.
Facility Planning
Our multidisciplinary approach integrates equipment layout, regulatory requirements, and operational efficiency in facility design. We specialize in winery production spaces and industrial facilities, ensuring optimal workflow and compliance with safety standards while maintaining budget constraints throughout the project lifecycle.
People
Yi Yang
President
President since 2018, Yi Yang specializes in structural design for wineries and commercial buildings. With 20+ years at Summit, he combines seismic retrofitting expertise with project management leadership while maintaining active involvement in structural concept design.
Jasper Gehring
Principal, Electrical Division Manager
With 20+ years in design engineering, Jasper leads our Electrical Division. His expertise includes utility system design and multi-discipline project management. He provides peer review services and serves as an expert witness for complex electrical engineering matters.
Demae Rubins
Principal, Planning Division Manager
Demae brings 20+ years of planning expertise with specialization in master planning and land use regulations. She manages facility design projects across Sonoma, Napa, Solano, and Merced Counties, ensuring compliance with local entitlement processes.
Kyle Moyer
Principal, Structural Division Manager
Structural Division Manager Kyle Moyer has 17+ years of experience designing building systems and connections. His expertise includes international projects, welding specifications, and constructability assessments for diverse structural applications including catwalks and rigging systems.
Gina Giacone
Principal, Water/Wastewater Division Manager
As Water/Wastewater Division Manager, Gina oversees projects ranging from 1,000 to 1 million gallons per day. With experience since graduating from Humboldt State University, she specializes in treatment plant design, collection systems, and disposal system permitting.
Questions
What engineering services does Summit offer?
Summit provides civil, structural, electrical, and water/wastewater engineering services, along with facility planning, permitting assistance, and due diligence assessments for commercial, residential, and industrial projects.
Which geographic areas do you serve?
While based in Santa Rosa, we serve California's Wine Country (Sonoma, Napa, Solano Counties), Northern California, and selected national markets through our multidisciplinary team capabilities.
How does Summit handle complex permitting processes?
With 40+ years of local agency experience, we prepare and submit regulatory documentation, coordinate jurisdictional reviews, and ensure compliance with building codes, environmental regulations, and land use requirements.
What sustainability credentials does Summit hold?
We are a Certified California Green Business, integrating sustainable design principles in site development, stormwater management, and energy-efficient systems while meeting LEED and Title 24 compliance standards.
Can Summit assist with winery-related engineering projects?
Yes, we specialize in winery facility design including production layout, wastewater treatment systems, and seismic retrofitting, leveraging decades of experience in California's wine industry infrastructure.
What makes Summit's approach unique?
Our multidisciplinary team collaborates across engineering disciplines to solve complex challenges, combining technical expertise with practical constructability considerations and direct client communication throughout all project phases.
