Simmons Engineering

Simmons Engineering is a civil and structural engineering company that has been serving the San Francisco Bay Area since 2010. Our team is dedicated to providing exceptional engineering services to developers, owners, contractors, architects, and residential designers.

Our mission is to provide innovative and cost-effective solutions for our clients' projects. We specialize in residential and low-rise commercial structural projects, with a focus on foundation systems on expansive soils. Our team of experts is committed to delivering high-quality services that meet the needs of our clients while also respecting the environment and natural resources.

Our Services

At Simmons Engineering, we offer a range of services, including:

Civil Engineering Services

• Hydrology & Hydraulics Calculations
• Drainage Studies
• Grading Plans
• Wet Utility Design
• Parking Lot Design
• SWPPP / SUSMP Reports

Structural Engineering Services

• Foundation Systems
• Retaining Walls
• Structural Site Features
• Seismic Retrofitting
• Building Envelope Systems

Land Development Services

• Grading Plans
• Drainage Design
• Utility Design
• Site Permitting

At Simmons Engineering, we pride ourselves on our ability to provide personalized service and attention to each client's unique needs. Our team of experts has years of experience in the field, and we are dedicated to delivering exceptional results for our clients. Whether you are a developer, owner, contractor, architect, or residential designer, we invite you to contact us to learn more about our services and how we can help you achieve your goals.

Our Team

Our team is led by Clayton J. Simmons, PE, who has over two decades of experience in civil and structural engineering. Clay has a strong background in engineering, with a focus on sustainable design and stewardship of natural resources. Under his leadership, our team is committed to delivering high-quality services that meet the needs of our clients while also protecting the environment.

Get Started

At Simmons Engineering, we are dedicated to providing exceptional engineering services to our clients. Whether you are looking for civil, structural, or land development services, we invite you to contact us to learn more about our services and how we can help you achieve your goals.