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Fairfax Civil Engineering Firm


Trusted Fairfax Civil Engineering Firm

BC Engineering Group is a trusted civil engineering firm serving Fairfax and surrounding Marin County communities. Our experienced engineers, planners, and landscape architects provide innovative, sustainable, and code-compliant design solutions for residential, commercial, and hillside projects. From grading and drainage to wastewater design, we bring technical precision and honest communication to every project.


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 Fairfax

BC Engineering Group offers a full range of civil engineering and land development services throughout Fairfax, California. Our team understands the area’s steep terrain, environmental regulations, and emphasis on sustainability—designing solutions that respect both property goals and the natural landscape.

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Civil Engineering

We design grading, drainage, roadway, and utility systems that meet Marin County and Town of Fairfax standards while improving site performance and stability.

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Land Planning

Our land planning professionals provide feasibility studies, zoning support, and site design tailored to Fairfax’s rural setting and environmental review process.

Waste Water Systems

We design efficient, code-compliant septic and wastewater treatment systems for hillside homes, rural parcels, and environmentally sensitive sites throughout Fairfax.

Landscape Architecture

Our landscape architecture team creates sustainable outdoor environments that blend with Fairfax’s natural scenery and support low-impact development goals.

Engineers reviewing development plans

Why Choose BC Engineering Group in Fairfax

Fairfax clients choose BC Engineering Group for our technical expertise, transparent communication, and commitment to sustainability. With decades of combined experience, our multidisciplinary team works closely with local agencies to ensure every project moves efficiently from concept to approval. We value long-term relationships and believe in doing things the right way—honestly, accurately, and collaboratively. That’s why “Honesty Comes First” remains at the heart of every project we design.

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Civil Engineering Solutions in Fairfax

BC Engineering Group provides practical, environmentally conscious engineering solutions that meet the challenges of Fairfax’s terrain and regulatory environment. Whether designing hillside drainage systems, managing stormwater runoff, or supporting small-scale land development, our designs are efficient, compliant, and built to last. We emphasize low-impact design strategies that preserve the natural character of Marin County while delivering reliable functionality.

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Projects & Experience Across Fairfax and Northern California

BC Engineering Group brings extensive experience to projects across Fairfax and Marin County. Our portfolio includes hillside residential developments, septic system upgrades, site grading, and drainage improvements for properties that demand careful design and environmental sensitivity.


Every project begins with a detailed site assessment and feasibility study to identify both constraints and opportunities. We develop tailored grading, stormwater, and wastewater solutions that balance technical performance with environmental stewardship. Our landscape architecture and land planning services further enhance the design, ensuring compliance with local codes and preserving the region’s natural beauty.


We take pride in supporting Fairfax’s commitment to sustainability and community character—delivering designs that are practical, responsible, and built to endure Northern California’s unique conditions.


Serving Fairfax and Beyond

Headquartered in Santa Rosa, BC Engineering Group proudly serves clients across Marin County—including Fairfax, San Rafael, Novato, Mill Valley, and Tiburon—as well as throughout Northern California. Wherever your project is located, our team provides reliable expertise and innovative design solutions you can trust.


Latest News From Our Blog

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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.