OSHPD Preapproved Agency (OPAA)
Apply for OSHPD Preapproved Agency (OPAA)
Submit and application for OPAA through eServices Portal (eSP). Download the eSP User Guide for step-by-step instructions.
The OSHPD Preapproved Agency (OPAA) is a voluntary program for review and preapproval of Agencies that provide Structural Tests and Special Inspection services used in California healthcare facility construction. In accordance with PIN 58, an OPAA is issued on the basis of an Agency′s accreditation or acceptance into the Division of the State Architect – Laboratory Evaluation and Acceptance (DSA-LEA) Program.
Please see the resources below for full program details.
Resources
- PIN 58: OSHPD Preapproved Agency (OPAA) for Structural Tests and Inspections
- OSHPD Preapproved Agency (OPAA) Presentation Handout
- OPAA Quick Start Guide (for tips to help you get started with the application process)
Contact Us
If you have questions regarding the OPAA program please send an email to OPAA@hcai.ca.gov
OPAA List by Certification Number
| OSHPD Preapproved Agency (OPAA) Number | Agency | City | County | State (Use Country name for non-US Labs) | ZIP Code | Testing | Special Inspections | Approval Expiration Date | Comments |
|---|---|---|---|---|---|---|---|---|---|
| OPAA-0001 | Southwest Research institute | San Antonio | Bexar | Texas | 78227 | Yes | No | Expired | Expired |
| OPAA-0002 | Ninyo and Moore | San Diego | San Diego | CA | 92123 | Yes | Yes | Cancelled | Cancelled |
| OPAA-0003 | Achievement Engineering Corp | San Jose | Santa Clara County | CA | 95112 | Yes | Yes | Expired | Expired |
| OPAA-0004 | Applied Materials & Engineering | Oakland | Alameda | CA | 94608 | Yes | Yes | 3/22/2028 | See Attachment |
| OPAA-0005 | Twining, Inc. | Ventura | Ventura | CA | 93003 | Yes | Yes | 3/7/2028 | See Attachment |
| OPAA-0006 | Moore Twining | Fresno | Fresno | CA | 93721 | Yes | Yes | Expired | Expired |
| OPAA-0007 | IABG | Ottobrunn (Munich) | Bavaria | Germany | D-85521 | Yes | No | Expired | Expired |
| OPAA-0008 | DCL | Sparks | Washoe | NV | 89431 | Yes | No | 10/7/2026 | See Attachment |
| OPAA-0009 | Group Delta Consultants, Inc. | San Diego | San Diego | CA | 92126 | Yes | Yes | 9/15/2028 | See Attachment |
| OPAA-0010 | Kleinfelder | Ontario | San Bernardino | CA | 91762 | Yes | Yes | 7/1/2028 | See Attachment |
| OPAA-0011 | Twining | Riverside | Riverside | CA | 92501 | Yes | Yes | Expired | Expired |
| OPAA-0012 | Atlas Technical Consultants | San Diego | San Diego | CA | 92123 | Yes | Yes | 3/25/2026 | See Attachment |
| OPAA-0013 | Twining Inc. | Long Beach | Los Angeles | CA | 90806 | Yes | Yes | 8/25/2026 | See Attachment |
| OPAA-0014 | Terracon Consultants, Inc. | Colton | San Bernardino | CA | 92324 | Yes | Yes | 2/23/2029 | See Attachment |
| OPAA-0015 | RMA Group (Certerra RMA Group) | Rancho Cordova | Sacramento | CA | 95742 | Yes | Yes | 12/28/2027 | See Attachment |
| OPAA-0016 | Fenagh | Rancho Cucamonga | San Bernardino | CA | 91730 | Yes | Yes | 4/15/2026 | See Attachment |
| OPAA-0017 | Twining Consulting, Inc. | Irvine | Orange | CA | 92614 | Yes | Yes | Expired | Expired |
| OPAA-0018 | JE & B Engineering, Inc. | City of Industry | Los Angeles | CA | 91744 | Yes | Yes | Expired | Expired |
| OPAA-0019 | BSK Associates | Bakersfield | Kern | CA | 93314 | Yes | Yes | 4/29/2029 | See Attachment |
| OPAA-0020 | Construction Testing Services | Pleasanton | Alameda | CA | 94588 | Yes | Yes | 5/8/2029 | See Attachment |
| OPAA-0021 | Certified Inspection Labs Inc. | Anaheim | Orange | CA | 92802 | Yes | Yes | Expired | Expired |
| OPAA-0022 | Verdantas, Inc | San Diego | San Diego | CA | 92123 | Yes | Yes | Expired | Expired |
| OPAA-0023 | Smith-Emery Laboratories | Los Angeles | Los Angeles | CA | 90021 | Yes | Yes | 8/20/2029 | See Attachment |
| OPAA-0024 | Progressive Engineering, Inc | Goshen | Elkhart | IN | 46528 | Yes | No | Expired | Expired |
| OPAA-0025 | Soils Engineering, Inc. | Bakersfield | Kern | CA | 93313 | Yes | Yes | Expired | Expired |
| OPAA-0026 | GeoSolutions, Inc | San Luis Obispo | San Luis Obispo | CA | 93401 | Yes | Yes | Expired | Expired |
| OPAA-0027 | Certerra-RMA Group | Rancho Cucamonga | San Bernardino | CA | 91730 | Yes | Yes | 4/25/2029 | See Attachment |
| OPAA-0028 | Independent Solutions | Lake Elsinore | Riverside | CA | 92530 | Yes | Yes | 10/22/2031 | See Attachment |
| OPAA-0029 | Ninyo and Moore | San Jose | Santa Clara | CA | 95131 | Yes | Yes | 5/3/2027 | See Attachment |
| OPAA-0030 | Inspection Services, Inc. | Torrance | Los Angeles | CA | 90501 | Yes | Yes | Expired | Expired |
| OPAA-0031 | UES Professional Solution, Inc. | West Sacramento | Yolo | CA | 95691 | Yes | Yes | 9/10/2029 | See Attachment |
| OPAA-0032 | Inspection Services, Inc. | Berkeley | Alameda | CA | 94703 | Yes | Yes | 3/13/2029 | See Attachment |
| OPAA-0033 | Caltech Labs, Inc. | Brea | Orange | CA | 92821 | Yes | Yes | 3/25/2026 | See Attachment |
| OPAA-0034 | STRUCTURE GROUPS | Livermore | Alameda | CA | 94550 | Yes | Yes | 2/10/2027 | See Attachment |
| OPAA-0035 | California Testing & Inspection | Paramount | Los Angeles | CA | 90723 | Yes | Yes | 4/30/2026 | See Attachment |
| OPAA-0036 | Smith-Emery San Francisco | San Francisco | San Francisco | CA | 94124 | Yes | Yes | 4/6/2026 | See Attachment |
| OPAA-0037 | Atlas Technical Consultants, LLC | Riverside | Riverside | CA | 92518 | Yes | Yes | Expired | Expired |
| OPAA-0038 | MatriScope Engineering Laboratories | Sacramento | Sacramento | CA | 95811 | Yes | Yes | 5/3/2028 | See Attachment |
| OPAA-0039 | Consolidated Engineering Laboratories (CEL) | Oakland | Alameda | CA | 94606 | Yes | Yes | 10/16/2027 | See Attachment |
| OPAA-0040 | Southwest Inspection and Testing | La Habra | Orange | CA | 90631 | Yes | Yes | Expired | Expired |
| OPAA-0041 | Atlas Technical Consultants, LLC | Oakland | Alameda | CA | 94303 | Yes | Yes | 1/29/2027 | See Attachment |
| OPAA-0042 | Kleinfelder , Inc. | San Diego | San Diego | CA | 92111 | Yes | Yes | 9/23/2026 | See Attachment |
| OPAA-0043 | Consolidated Engineering Laboratories | Windsor | Sonoma | CA | 95492 | Yes | Yes | Expired | Expired |
| OPAA-0044 | NV5 West, Inc. | Ventura | Ventura | CA | 93003 | Yes | Yes | Cancelled | Cancelled |
| OPAA-0045 | Terracon Consultants, Inc. | Sacramento | Sacramento | CA | 95834 | Yes | Yes | Expired | Expired |
| OPAA-0046 | Construction Testing Services | Rocklin | Placer | CA | 95677 | Yes | Yes | Expired | Expired |
| OPAA-0047 | MTGL, Inc | San Diego | San Diego | CA | 92126 | Yes | Yes | 4/9/2028 | See Attachment |
| OPAA-0048 | MTGL, Inc | Anaheim | Orange | CA | 92806 | Yes | Yes | 4/6/2028 | See Attachment |
| OPAA-0049 | Twining, Inc | San Diego | San Diego | CA | 92127 | Yes | Yes | 3/28/2027 | See Attachment |
| OPAA-0050 | Conslidated Engineering Laboratories | North Highlands | Sacramento | CA | 95660 | Yes | Yes | 11/1/2026 | See Attachment |
| OPAA-0051 | Christian Wheeler Engineering | San Deigo | San Diego | CA | 92105 | Yes | Yes | 11/25/2026 | See Attachment |
| OPAA-0052 | Interteck Architectural testing Inc | Fresno | Fresno | CA | 93706 | Yes | No | Expired | Expired |
| OPAA-0053 | RMA Group | San Jose | Santa Clara | CA | 95112 | Yes | Yes | Expired | Expired |
| OPAA-0054 | BSK Associates | Livermore | Alameda | CA | 94551 | Yes | Yes | 10/28/2028 | See Attachment |
| OPAA-0055 | Landmark Consultants, Inc. | El Centro | Imperial | CA | 92243 | Yes | Yes | Expired | Expired |
| OPAA-0056 | Apex Testing Labs | San Francisco | San Francisco | CA | 94124 | Yes | Yes | Expired | Expired |
| OPAA-0057 | Twining | Sacramento | Sacramento | CA | 95838 | Yes | Yes | 10/31/2028 | See Attachment |
| OPAA-0058 | American Engineering Laboratories | La Habra | Orange | CA | 90631 | Yes | Yes | Expired | Expired |
| OPAA-0059 | Koury Engineering & Testing, Inc | Chino | San Bernardino | CA | 91710 | Yes | Yes | Expired | Expired |
| OPAA-0060 | GeoSoils, Inc | Calsbad | San Diego | CA | 92010 | Yes | No | 6/30/2026 | See Attachment |
| OPAA-0061 | Moore Twining Associates, Inc. | Sacramento | Sacramento | CA | 95815 | Yes | Yes | 12/1/2026 | See Attachment |
| OPAA-0062 | Moore Twining Associates, Inc. | Sand City | Monterey | CA | 93955 | Yes | Yes | Expired | Expired |
| OPAA-0063 | Kleinfelder | Hayward | Alameda | CA | 94546 | Yes | Yes | 6/26/2028 | See Attachment |
| OPAA-0064 | Signet Testing Laboratories, Inc | Hayward | Alameda | CA | 94545 | Yes | Yes | 7/11/2027 | See Attachment |
| OPAA-0065 | Matriscope Engineering Laboratories, INC. | Livermore | Alameda | CA | 94551 | Yes | Yes | Expired | Expired |
| OPAA-0066 | Moore Twining Associates, Inc. | Riverside | Riverside | CA | 92503 | Yes | Yes | Cancelled | Cancelled |
| OPAA-0067 | Nova Services, Inc. | San Diego | San Diego | CA | 92123 | Yes | Yes | 11/14/2028 | See Attachment |
| OPAA-0068 | Technicon Engineering Services | Fresno | Fresno | CA | 93722 | Yes | Yes | 5/29/2028 | See Attachment |
| OPAA-0070 | California Firestop Inspections LLC | Sacramento | Sacramento | CA | 95829 | No | Yes | Cancelled | Cancelled |
| OPAA-0071 | The Quality Firm | Pomona | Los Angeles | CA | 91768 | Yes | Yes | 1/26/2032 | See Attachment |
| OPAA-0072 | Decisive Testing | San Diego | San Diego | CA | 92105 | Yes | No | Cancelled | Cancelled |
| OPAA-0073 | Earth Systems Pacific | Hollister | San Benito | CA | 95023 | Yes | Yes | 10/18/2026 | See Attachment |
| OPAA-0074 | EARTH SYSTEMS PACIFIC | Ventura | Ventura | CA | 93003 | Yes | Yes | 11/1/2026 | See Attachment |
| OPAA-0075 | DC Inspections, Inc. | Bakersfield | Kern | CA | 93308 | Yes | Yes | 7/14/2028 | See Attachment |
| OPAA-0076 | Construction Testing & Engineering, Inc. | Escondido | San Diego | CA | 92026 | Yes | Yes | Expired | Expired |
| OPAA-0077 | Montez Group | San Francisco | San Francisco | CA | 94112 | Yes | Yes | 1/29/2030 | See Attachment |
| OPAA-0078 | Testing Engineers Inc. | San Leandro | Alameda | CA | 94577 | Yes | No | 12/6/2027 | See Attachment |
| OPAA-0079 | Universal Engineering Sciences | Irvine | Orange | CA | 92618 | Yes | Yes | Expired | Expired |
| OPAA-0080 | Youngdahl Consulting Group | El Dorado Hills | El Dorado | CA | 95762 | Yes | Yes | 10/24/2026 | See Attachment |
| OPAA-0081 | Krazan & Associates | Clovis | Fresno | CA | 93612 | Yes | Yes | 8/12/2028 | See Attachment |
| OPAA-0082 | Sequoia Consultants | Orange | Orange | CA | 92865 | Yes | Yes | 3/29/2027 | See Attachment |
| OPAA-0083 | Specialized Testing | Santa Fe Springs | Los Angeles | CA | 90670 | Yes | No | 3/29/2027 | See Attachment |
| OPAA-0084 | Twining Consulting, Inc. | Fountain Valley | Orange | CA | 92708 | Yes | Yes | 7/26/2027 | See Attachment |
| OPAA-0085 | JE&B Engineering Inc. | Upland | San Bernardino | CA | 91786 | Yes | Yes | Expired | Expired |
| OPAA-0086 | CGI Technical Services, Inc. | Redding | Shasta | CA | 96003 | Yes | Yes | Expired | Expired |
| OPAA-0087 | Verdantas, Inc. | Irvine | Orange | CA | 92606 | Yes | Yes | 2/6/2028 | See Attachment |
| OPAA-0088 | City and County of San Francisco Materials Testing Lab | San Francisco | San Francisco | CA | 94124 | Yes | No | 10/18/2029 | See Attachment |
| OPAA-0089 | Earth Systems Pacific | Bermuda Dunes | Riverside | CA | 92203 | Yes | Yes | Expired | Expired |
| OPAA-0090 | Allerion Consulting dba Ace Quality Control | Roseville | Placer | CA | 95678 | Yes | Yes | 11/1/2027 | See Attachment |
| OPAA-0091 | Geotechnical Professionals, Inc. | Cypress | Orange | CA | 90630 | Yes | Yes | 1/7/2027 | See Attachment |
| OPAA-0092 | Reliant Testing Engineers | Santa Ana | Orange | CA | 92704 | Yes | Yes | 12/4/2026 | See Attachment |
| OPAA-0093 | TERRACON CONSULTANTS INC. | Concord | Contra Costa | CA | 94520 | Yes | Yes | 10/31/2027 | See Attachment |
| OPAA-0094 | Smith Emery Labratories | Anaheim | Orange | CA | 92807 | Yes | Yes | 9/9/2027 | See Attachment |
| OPAA-0095 | ENGEO INCORPORATED | Lathrop | San Joaquin | CA | 95330 | Yes | Yes | 5/8/2028 | See Attachment |
| OPAA-0096 | COMPASS INSPECTION CONSULTANTS, INC. | Laguna Hills | Orange | CA | 92653 | Yes | Yes | 10/30/2030 | See Attachment |
| OPAA-0097 | Mid Pacific Engineering, Inc. | West Sacramento | Yolo | CA | 95605 | Yes | Yes | 1/7/2027 | See Attachment |
| OPAA-0098 | BW Testing & Inspections | San Diego | San Diego | CA | 92123 | Yes | Yes | 5/8/2029 | See Attachment |
| OPAA-0100 | NV5 | Ventura | Ventura | CA | 93003 | Yes | Yes | 4/25/2027 | See Attachment |
| OPAA-0101 | NV5 | San Diego | San Diego | CA | 92128 | Yes | Yes | 2/6/2028 | See Attachment |
| OPAA-0102 | Raney Geotechnical, Inc. | West Sacramento | Yolo | CA | 95691 | Yes | Yes | 10/26/2026 | See Attachment |
| OPAA-0108 | AECOM | Anaheim | Orange | CA | 92806 | Yes | No | 2/12/2032 | See Attachment |
Accessibility
If you would like to request accessible versions of Preapproval documents please email the FDD Webmaster.