About Vencon
At Vencon, we specialize in doors and finish carpentry, bringing extensive field experience and a streamlined approach to every project. Our team of skilled union labor and experienced project managers ensures efficiency at each phase. As a general contractor, we pride ourselves on our ability to integrate seamlessly into the workflows of large contractors, making us an ideal partner for multi-unit residential projects in the Bay Area. Vencon is a fully operational firm, certified as a Micro-LBE (Local Business Enterprise).
Who We Are

Gerrit Veneman, CEO
Gerrit has over 20 years of experience in the construction industry. He started as an apprentice carpenter, graduating from the Northern California Carpenters Training Center with a journeyman’s certificate. He has held roles ranging from carpenter, foreman, superintendent, senior superintendent and union signatory contractor. Gerrit’s role at Vencon Construction involves field operations, client relations, estimating and ensuring the delivery of high-quality construction.
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Diego Martinez, Project Executive
Diego has a broad background in the construction industry, with experience in all phases at several large Bay Area firms. Holding a B.S. in Construction Management, he has contributed to planning and completing projects on schedule and within budget. His career began as a field engineer intern, and has since progressed through roles in general contracting and project management. Diego's work in project management included estimating, deepening his knowledge of cost and budget management. Recently, as an owner’s representative, he managed projects for international clients, overseeing from lease acquisition to project opening. Diego’s well-rounded expertise allows him to lead complex projects with proficiency in the construction industry.
Our Services
General Construction

Project Management
Assurance
Control
Safety