Selfless
Reliable
Perceptive
Unambiguous

These values form the foundation of trust that will build your vision.

Our Values. Your Trust.

These values form the foundation of trust that streamlines the arduous business of land development. Where there is trust, certainty thrives, costs are controlled, and projects are executed to plan

Selfless

Success is measured by our clients’ success and satisfaction over outcomes. Every project will present challenges that demand creative solutions that may stray from an original vision of our clients’ or our own, and yet prove to be the most optimal. Resolutions like these stem from objective clarity, removed from egos or motives not aligned with the goals of either business.

Reliable

Successful projects create sustainable business relationships and outcomes. These organically create positive and constructive feedback loops of reliability—absolutely critical for projects of this nature.

Perceptive

Our cumulative civil engineering acumen specific to San Diego County, and breadth of experience across 4C and our partners allow us to provide insights our clients deserve, to ensure successful execution.

Unambiguous

We are not yes-men. We are intent on being transparent with the circumstances of a project and its site, regardless of perception, providing our clients the clearest understanding and most sound recommendations.

Dolvin

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Founder

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Dolvin ◇ Founder ◇

Dolvin L. Buchanan
PE, Civil Engineer/ 83241, PLS/ 9487

Dolvin Buchanan is 4C’s founder and owner. He oversees and directs all operations and is wholly responsible for 4C’s services and success as one of San Diego’s few Black-owned civil engineering firms.

Dolvin chose to build a firm of his own making in 2020, seeing the opportunities in dramatically boosting efficiencies in entitlement processes and land development at large, and most importantly, revealing possibilities for people of color in the civil engineering space. Before 4C, he worked at KBR, Fuscoe Engineering, and Latitude 33 Planning & Engineering over the last 15 years.

Dolvin is a third-generation San Diegan, born, raised and residing in the southeast of California’s second largest city. He’s a member of National Society of Black Engineers and California Land Surveyors Association. Dolvin holds a Bachelors of Science degree in Civil Engineering, from Loyola Marymount University, Los Angeles

John

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Chief Creative

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John ◇ Chief Creative ◇

John Coleman, V

John oversees creative at 4C, managing the firm’s brand strategy and digital footprint.

John, also native to San Diego, now resides in Brooklyn, New York. He has twenty-years of expertise in digital communication design, specifically user experience, human interfaces, and marketing creative. He has held senior and director roles at OnePointOne & Willo Farm, Emerson Ecologics, SFI Health, Designs for Health, h2 wellness, and the University of Southern California; while also designing for brands such as Philips, Skechers, Universal Music Group, and Jenny Craig. He holds a Bachelors of Arts in Fine/Studio Art & Communication Design at USC in Los Angeles.