Urban Bay Engineering

YEI Engineers, Inc. ( YEI ) has provided electrical and mechanical engineering services to both public and private sectors since 1975. YEI also provides architectural, civil and environmental engineering through subconsultants. YEI is a certified Minority Business Enterprise ( MBE ) and a Small Disadvantaged Business Enterprise ( SDBE ). Please make a selection from the menu at the top to view some of our completed projects or to learn more about our company and our engineers.

Marin H2O, based in San Rafael, CA, provides comprehensive plumbing and water treatment solutions for residential and commercial clients. They pride themselves on top-notch customer service, offering free estimates and honest recommendations tailored to your needs. Their team is fully licensed and insured, ensuring quality work backed by a solid warranty. Whether its a small repair or a full system installation, they bring professionalism, reliability, and expertise to every job. With years of experience in the industry, Marin H2O is committed to delivering trusted solutions that protect your home and water quality. Contact them today to get started!