So Cal Engineering

We're a tiny firm specializing in surveying including construction staking, boundary, Topo and ALTA surveys. So Cal Engineering formally Thelwell Survey has a background in all of the above. Mario Ibarra who is in charge of the field operations has 20 years of knowledge in the field and is a professional in construction staking for all sized projects. Al Thelwell is in charge of mapping, boundary analysis, and drafting. He is a licensed surveyor with 20 years of knowledge.