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Marin County Civil Engineering Firm


Trusted Marin County Civil Engineering Firm

BC Engineering Group is a leading civil engineering firm proudly serving Marin County and the surrounding Bay Area. Our multidisciplinary team of engineers, planners, and landscape architects delivers precise, sustainable, and regulation-compliant solutions for projects of every scale. From hillside homes to waterfront developments, we bring honesty, technical excellence, and creative problem-solving to each design.


Superior Experience and Service

We approach every project with excitement and enthusiasm, and are always seeking for new ways to educate ourselves about new products, innovative materials, exciting tools, and the latest building technologies.

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Civil Engineering Services in Marin County

We provide comprehensive civil engineering and site development services across Marin County, California. Our experts understand the area’s complex terrain, strict environmental standards, and permitting processes—delivering smart, buildable solutions that respect the land and meet local requirements.

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Civil Engineering

Our civil engineering team designs grading, drainage, roadway, and infrastructure systems that meet Marin County codes and withstand challenging topography.

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Land Planning

We provide strategic land planning services for residential and commercial projects, guiding clients through feasibility, zoning, and agency coordination across Marin County.

Waste Water Systems

Our engineers design septic and wastewater systems suited to Marin’s hillside and coastal properties, ensuring performance, reliability, and full regulatory compliance.

Landscape Architecture

Our landscape architects design elegant, functional outdoor environments that enhance Marin County’s natural scenery and complement each project’s architecture.

Engineers reviewing development plans

Why Choose BC Engineering Group in Marin County

Marin County clients trust BC Engineering Group for our technical expertise, transparent communication, and deep understanding of regional design challenges. With decades of combined experience, our team works closely with local municipalities and regulatory agencies to streamline approvals and deliver dependable results. We pride ourselves on our integrity, responsiveness, and commitment to client success—values that define every project we take on.

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Civil Engineering Solutions in Marin County

BC Engineering Group develops practical and sustainable civil engineering solutions that respond to Marin County’s diverse environments—from coastal flood zones to steep residential sites. Our team blends creativity with precision to create designs that work efficiently while minimizing environmental impact. We approach every project with a focus on performance, long-term durability, and compliance with local agency standards.

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Projects & Experience Across Marin County and Northern California

BC Engineering Group has supported projects throughout Marin County and across Northern California. Our experience spans hillside residential developments, commercial site improvements, and infrastructure upgrades in communities like San Rafael, Novato, Mill Valley, and Tiburon.


Our approach begins with detailed site evaluations and feasibility studies to ensure each design aligns with terrain, drainage patterns, and environmental considerations. We then provide integrated design services—including civil engineering, land planning, wastewater system design, and landscape architecture—that work in harmony to achieve project goals.


We understand Marin’s unique development requirements, from stormwater management and erosion control to balancing aesthetic design with environmental protection. Every project we complete reflects our dedication to sustainability, technical excellence, and our guiding principle—“Honesty Comes First.”


Serving Marin County and Beyond

Headquartered in Santa Rosa, BC Engineering Group proudly serves clients across Marin County—including San Rafael, Novato, Mill Valley, Tiburon, and Fairfax—as well as throughout Northern California. Wherever your project is located, our team provides innovative, compliant, and client-focused engineering solutions.


Latest News From Our Blog

Wheelbarrow filled with dark soil next to a larger pile of soil on grass.
October 23, 2025
Discover grading violations in Sonoma County: rules, fines, and compliance tips to protect your property and avoid costly penalties.
Water spraying from a sprinkler head on a white ceiling.
October 2, 2025
Guide to fire sprinkler requirements in California for homes, businesses & industrial sites — compliance, design, regulations.
BC Engineering Group playing cornhole at a community fundraiser in Santa Rosa
September 5, 2025
BC Engineering joined EWB’s cornhole fundraiser in Santa Rosa, helping raise $11 000 for rainwater systems in Peru.