General Engineering Construction Services Sonoma County

Santiago General Engineering was founded in 2020 by Dario Santiago after more than 15 years working as a foreman for leading construction companies in the Bay Area. His vision was to bring the highest quality standards, open communication, and accountability to every project, driven by a genuine passion for the work and a sense of fulfillment in completing innovations in the industry. Today, clients benefit from that same dedication, receiving construction services that are precise, safe, and built to last. The company specializes in excavation, grading, paving, underground utilities, demolition, and full site development, serving Sonoma County, Sonoma, Napa, and Marin County. Each project is approached with focus and care, ensuring every detail supports the stability, safety, and long-term value of the property. Clients can count on a team that values trust, clear expectations, and reliable results, with a commitment to building strong foundations both in the ground and in relationships.