Service areas
Southern California coverage, Chino response time
Our corporate office at 14726 Ramona Avenue, Suite 400, Chino, CA 91710 puts us inside the region's busiest grading market. We dispatch technicians and inspectors across six counties and metros — pick yours to see cities served and what we handle there.
Inland Empire
Our Chino office sits in the middle of the Inland Empire, which makes this our fastest-response territory. Industrial and warehouse construction here runs on aggressive schedules and large-scale grading — both of which need compaction testing and special inspection that show up when the grader does.
Chino · Chino Hills · Ontario · Rancho Cucamonga · Fontana +7 more
View Inland Empire servicesOrange County
Orange County work tends to be tighter sites, denser infill and more demanding aesthetic and structural detail. We support commercial, residential and tenant-improvement projects with foundation recommendations, materials testing and code-required special inspection.
Anaheim · Santa Ana · Irvine · Orange · Fullerton +7 more
View Orange County servicesLos Angeles County
LA County projects carry some of the most demanding inspection and documentation requirements in the state. We provide subsurface investigation, foundation and pavement design recommendations, and the special inspection record-keeping that plan checkers expect.
Los Angeles · Long Beach · Pasadena · Pomona · Glendale +7 more
View Los Angeles County servicesSan Diego County
We support San Diego County commercial, residential and public-works construction with geotechnical investigation, construction materials testing and special inspection — scoped and scheduled so coastal and hillside sites don't stall waiting on results.
San Diego · Chula Vista · Oceanside · Escondido · Carlsbad +7 more
View San Diego County servicesRiverside County
Riverside County is one of the most active grading markets in Southern California. Tract residential, logistics and public infrastructure projects all live or die on compaction testing turnaround — that is the core of what we do.
Riverside · Corona · Temecula · Murrieta · Menifee +7 more
View Riverside County servicesSan Bernardino County
Our home county. From high-desert site development to the warehouse corridor along the 10 and 15, we provide soils investigation, construction materials testing and special inspection with the shortest drive time of any territory we serve.
San Bernardino · Chino · Ontario · Fontana · Rancho Cucamonga +7 more
View San Bernardino County servicesNot sure if you're in range?
Send the address. If we can't cover it well we'll say so rather than take the job and show up late.