Cal State Engineering, Inc. is a full service civil engineering consulting firm serving California and western Nevada. We are a leader in engineered septic system and community sewerage design, having considerable expertise with a wide range of individual and community septic system types and sizes. Our professional staff has over 50 years combined experience in septic system and community wastewater technology. Cal State Engineering, Inc. is also very experienced in land division entitlement work, permitting, subdivision improvement design, water, sewer, road and storm drainage designs. We also provide nuclear compaction testing, sieve analysis testing, construction staking, and many other engineering services.