About Us

What We have for You

Everything has been completed already

Asphalt Concrete

We provide top-quality asphalt and concrete service for both residential and commercial scale projects.

Structural Concrete

We built post tension slabs, multi-story masonry buildings with cast in place decks and bridge abutments.

Concrete Foreman

Concrete Foreman. Chip has been was promoted to foreman after years in the industry, and his good nature has made him a favorite of clients and co-workers.

FreeWay Paving

A paver is a piece of construction equipment used to lay asphalt on roads, bridges, parking lots.

The Operating Managing Owner of Koch General Engineering is Monty Koch. Monty is a third generation contractor, following in the footsteps of his grandfather and his father. Along with many other projects, Monty's grandfather worked on the installation of the pipeline which runs under the Pacific Coast Highway, while his father pioneered the State of California surveying crews, working on the construction of the Cuyamaca Dam and Highway 8, among many other projects.

Monty started working for his father's company, washing dump trucks and working his way through the ranks, working as a laborer, becoming a bridge carpenter, operating engineer and later a plant mechanic, asphalt foreman and general superintendent for several prominent San Diego construction companies, and then being the Responsible Managing Owner for Koch-Armstrong, a General Engineering Company which operated for the last 18 years.

The marriage of field and estimating expertise allows Koch General to provide a wide range of resources and and the knowledge needed to complete all facets of any project.

Koch General Engineering, Inc. owns a wide variety of equipment which enables us to complete various scopes of work in-house. We also employ a full-time mechanic to repair any mechanical problems which might occur.

Monty and our foremen have supervised jobs for clientele including public/government agencies as well as private entities ranging from small back-yard jobs to huge commercial and public works projects. We work primarily in the County of San Diego, however, we do sometimes work the surrounding counties.

We also place Central Mix REAS (Rubberized Asphalt Slurry).

Notable projects that our experts have supervised.

Pacifc Street Reconstruction, City of Oceanside (2005 Project of the Year) American Public Works Association.

Flightline Access Spall Repair, MCAS Miramar. CH2M Hill Constructors. One month $113,000. Concrete spall repair, crack repairs and join sealant replacement.

Imperial Ave Division Pavement Rehab. SANDAG. Six months $1.57 million. Remove contaminated soil, place asphalt and concrete.

Replace Track for Cushion Track Synthetic Surface. Los Angeles Turf Club. Four months, $3.26 million, Excavate dirt, install drainage and synthetic material at track.

Metallic Main Replacement, Various Streets in Chula Vista and National City. Sweetwater Authority. Awarded eight consecutive years beginning FY 2003-04 through FY 2012-13. Various trench paving and concrete removal and replacement dependent upon location.

SpaceDev Test Site. Cornerstone Commercial. One month $113,000 Grade slope, construct test pad and exhaust tunnel.

Social Security Administration. Cornerstone Commercial Construction One year, $320,000. Slope stabilization, construct wall, concrete and asphalt repairs and improvements.

Street Resurfacing. National City. FY 2006-07 $944,000, FY 2008-09 $6.2 million, FY 2009-10 $1.9 million, FY 2012-13 $780,000. Concrete and asphalt removal and replacement.

The Quad San Marcos Student Housing Utility Improvements. Ground Service Technology. One year $836,000. Construct Campus Way and Redel Road and street improvements on Barham Road including slurry. Quad Phase II, $150,000. On site concrete improvements.

Installation of Central Mix Type II REAS. City of Rancho Mirage. FY 2012. 90 days $680,000, FY 2014 60 days $1.04 million. Place REAS on various city streets.

Marina Gateway Streetscape. City of National City. 10 Months, $2.1 million. Concrete and asphalt removal and replacement, as well as railroad tracks and museum site renovation.


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