Dedicated to excellence since 1991

General Engineering
& Electrical Contractors

About Koch & Koch, Inc.

Koch & Koch, Inc. is a WMBE General Engineering and Electrical Construction company based in Penn Valley, California. We were founded in 1991, under the name Koch Construction. Originally focused on residential construction, our passion has continued to grow, leading us to commercial and public works projects spanning throughout California. From small jobs to multimillion-dollar projects, we establish relationships with our clients and provide a one-stop shop experience

Awarded APWA
Shasta Cascade Branch
Project of the Year
Auditorium Drive Lift Station
Environmental Category

Awarded APWA
Sacramento Chapter
Project of the Year
North Market Force Main Extension & Auditorium Drive Lift Station Replacement
Environmental (Wastewater) Category

Awarded ASCE
Sacramento Section
Outstanding Energy Project
Well N39 Rutland Pumping Plant
Environmental Category

Horizontal Directional drilling


Structural Concrete

Excavation & earthwork


Structural steel

Pipe Fusion

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Featured Work