(619) 561-2005


 Our History

Koch-Armstrong General Engineering, Inc. was incorporated on January 12, 1998, by Monty Koch and Christopher Armstrong. Both Monty and Chris were born and raised in San Diego, and are dedicated to making San Diego “America’s Finest City”.

Monty Koch is a third generation contractor. His grandfather batched concrete for State Route 163 and helped install the pipeline under the Pacific Coast Highway, while his father pioneered for the State of California surveying crews working on the Cuyamaca Dam and Highway 8 among other projects. Monty started working for his father’s company washing dump trucks in the yard, working his way through the ranks as a laborer, becoming a bridge carpenter, operating engineer and later a plant mechanic, asphalt foreman and general superintendent for several of the prominent San Diego construction companies.

Christopher Armstrong has been involved with construction since the beginning of his career. He worked in the   field to put himself through college, before moving into the office. He incorporates his knowledge of the field into his familiarity with field operations helps him produce bids that are accurate, comprehensive and fair.

Combining Monty’s vast knowledge of field operations with Chris’ estimating expertise and project management knowledge. Koch-Armstrong is able to access a wide range of resources and contacts in order to complete all facets of projects required by our customers.

Chris Armstrong served on the Engineering & General Contractors Association board for many years before being elected to Secretary. Monty Koch is a current member on the board of Engineering and General Contractors Council with the Associated General Contractor (AGC) of America, San Diego Chapter.

Our Vision

To become the market leader in engineering services by exceeding our customer’s expectations in providing value, quality, and service.

Our Mission

We are driven and determined to exceed our customers’ expectations. We partner with our customers in government and industry to provide engineering and construction solutions that enhance the delivery and quality of the projects we do in the communities in which we serve.

Our Business Focus

Irrigation, drainage, water power, water supply, flood control, river control and reclamation works, highways, streets and roads, parks, playgrounds and other recreational works, land leveling and earthmoving projects, excavating, grading, trenching, synthetic turf field, horse racing tracks, paving and surfacing work and cement and concrete works in connection with the above mentioned fixed works.

Statement of Values

People first

Our people are our most important resource, and we strive for an environment where diverse backgrounds, experiences, and perspectives are appreciated and respected.


We believe a safe work environment is vital to our success and growth, and that we all must take responsibility for our own safety and the safety of those around us.


We commit ourselves to the highest standards of quality, from the processes we implement to the results we deliver.

Integrity and Morals

We hold ourselves to the highest level of integrity and ethical behavior in all that we do.


We strongly believe that our customers must get the best value for their investment while maintaining a profitable and stable business model.


  • Investing in and supporting our employees’ to ensure they stay healthy and safe, receive the right resources, and have opportunities to professionally grow.
Treating our clients and partners with respect, delivering work of the highest quality, and bringing ethics and integrity to everything