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We do the dirty work.

Soils Investigations, Testing, and Inspections. Since 1973.

 

Who We Are

Duco Engineering, Inc. is a geotechnical engineering firm in Chino, California, specializing in new construction.

 

Since 1973, Duco Engineering, Inc. has had the pleasure of being the soils engineering firm on over 12,000 separate projects—varying in scope from single family residences, to commercial structures of all sizes, to large hillside housing developments involving the grading of over 6 million cubic yards of fill. Our experience has given us tremendous insight into both local and exotic soil conditions, which we employ with sound engineering judgment and common sense in the analysis, testing, inspection and preparation of our professional recommendations. It is our mission to provide you with the prompt, courteous, and consistent service you expect from a small business firm.

 

Contact

909.594.7414

800.650.4910 toll-free

office@ducoengineering.com

Location

14175 Telephone Ave., Ste. K

Chino, CA 91710

Hours

M-F 7a–3.30p
 

 

What We Do

 

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Soils Investigations

With over 40 years of experience, we have the expertise to provide complete, accurate soils reporting for your project.

 
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SOIL MECHANICS LAB TESTING

Our lab is fully equipped for all sorts of geotechnical analysis. Need a gradation or a sand equivalency run? We can do that!

 
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POOL REPORTS

Building a swimming pool and need a soils report? Give us a call--a site plan and signed authorization is all we need to get started!

 
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INFILTRATION ANALYSIS

We are fully equipped for both on-site dual-ring infiltration evaluation, as well as permeability/hydraulic conductivity testing.

 
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COMPACTION TESTING

We specialize in the challenges of hillside grading and custom lots, but welcome grading and backfill projects of any scope.

 
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ENGINEERING REVIEW

From plan review to full-scale secondary analysis and professional commentary, we understand the need for an extra set of eyes.

 

Resources

 

These are some helpful resources we use often. Maybe you'll find them useful, too! All publicly available resources are the property of their respective owners/publishers.

Contact Us

 

We would appreciate the opportunity to be the soils engineers on your next project. With over forty years experience, our expertise extends to projects of any size and scope, from swimming pools to large developments. Give us a call today, or fill out the form below, and a representative will get in contact with you.

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