RADCO – Past, Present & Future

RADCO is recognized as an independent third-party testing laboratory (TL-209), listing agency, and a Quality Assurance Inspection Agency (AA-650) by IAS (International Accreditation Service, Inc.). RADCO is also nationally recognized as a Design Approval Inspection Agency (DAPIA) and Inspection Primary Inspection Agency (IPIA) for the Manufactured Housing program (HUD). RADCO  can also  provide Plan Approval and Inspections certification for any state modular program that has a recognized modular program. In addition to the above services, RADCO  can provide Plan Review and Inspection services for Special Purpose Commercial Modular’s (SPCM), Park Models, MRI units, Tiny Homes, Multi-story modular and much more. Founded in 1967 as a service-oriented engineering company, RADCO has since grown in its services as well as geographically. Headquartered in Long Beach, CA, RADCO has branch offices across the US and several geographically located Inspectors to better serve our clients. What sets us apart from our competition is our people and their knowledge and experience. RADCO also offers one of the best pricing options for our Testing, Listing, and Inspection service line. With state-of-the-art technology, our experienced team, and our extensive knowledge of the American Standards and code compliances, we are sure to excel in servicing our clients.

RADCO’s Accreditation

RADCO is accredited as a Testing Laboratory (TL-209) and as a Quality Assurance Inspection Agency (AA-650) by the IAS (International Accreditation Service, Inc.). These accreditations supersede RADCO’s previous approvals from the NES and the ICBO-ES. Both of RADCO’s IAS approvals are recognized internationally, giving RADCO’s test reports and QA inspections full acceptance in many countries around the world, including Canada, Mexico, the Pacific Rim countries such as Australia, Japan, South Korea, as well as Europe. RADCO provides a product listing service with follow-up inspections. Our testing and listing capabilities are recognized by many cities, counties, and states, for example California, Arizona, Washington, and the city of Denver ect. RADCO has many listed product programs, HUD Use of Materials Programs and UM 71A and UM 101. RADCO is fully approved by HUD, as a DAPIA (Design Approval Primary Inspection Agency), and IPIA (Inspection Primary Inspection Agency), in the federal Manufactured Housing program. RADCO also has served on the HUD Manufactured Housing Consensus Committee (MHCC). RADCO is fully recognized as a Third Party plan review and inspection agency for factory built (modular) residential and commercial structures by the IIBC (Interstate Industrialized Building Commission), and all states with recognized programs.


  • 18071 Mount Washington, Unit A Fountain Valley, CA  92708
  • (562) 272-7231
  • info@radcoinc.com
  • Monday – Friday: 08:00 – 17:00 Saturday, Sunday: Closed