Cal/OSHA Enforcement Branch
 Regional and District Offices
Report a Workplace Accident:
David Wesley, Deputy Chief
                Field Enforcement
                (714) 558-4411
            DOSHEnforcement@dir.ca.gov
Vacant, Assistant Deputy Chief
                Field Enforcement
                (714) 558-4411
                DOSHEnforcement@dir.ca.gov
Region 1 - San Francisco Regional Office
Abigail Fabricante, Regional Manager
                1515 Clay Street, Suite 1301
				Oakland, CA 94612
            
San Francisco District Office
Jose Nevarez, District Manager
            455 Golden Gate Ave., Suite 9516
            San Francisco, CA 94102
phone:(415) 557-0100
            fax:(415) 557-0123
            email:DOSHSF@dir.ca.gov
Fremont District Office
Kelly Tatum, District Manager
                39141 Civic Center Dr., Ste. 310
                Fremont, CA 94538
phone:(510) 794-2521
                fax:(510) 794-3889
                email:DOSHFremont@dir.ca.gov
Foster City District Office
Barbara Kim, District Manager
                1065 East Hillsdale Blvd., Ste. 110
                Foster City, CA 94404
phone:(650) 573-3812
                fax:(650) 573-3817
                email:DOSHFC@dir.ca.gov
Oakland District Office
Wendy Hogle-Lui, District Manager
                1515 Clay Street, Ste. 1303
                Oakland, CA 94612
phone:(510) 622-2916
                fax:(510) 622-2908
                email:DOSHOAK@dir.ca.gov
Region 2 - Sacramento Regional Office
William Estakhri, Regional Manager
1750 Howe Avenue, Suite 440
                Sacramento, CA 95825
            
Sacramento District Office
Joseph Crocker, District Manager
1750 Howe Ave. Suite 430
                Sacramento, CA 95825
phone:(916) 263-2800
                fax:(916) 263-2798
                email:DOSHSAC@dir.ca.gov
Redding District Office
John Wendland, District Manager
381 Hemsted Drive
               Redding, CA 96002
phone:(530) 224-4743
               fax:(530) 224-4747
               email:DOSHRED@dir.ca.gov
American Canyon District Office
Kathy Lynn Garner, District Manager
        3419 Broadway Street, Suite H8
        American Canyon, CA 94503
phone:(707) 649-3700
        fax:(707) 649-3712
        email:DIRDOSHAmericanCanyon@dir.ca.gov
Region 3 - Santa Ana Regional Office
Brandon Hart, Acting Regional Manager
2 MacArthur Place, Suite 720
                Santa Ana, CA 92707
            
Santa Ana District Office
Ujitha Perera, District Manager
            2 MacArthur Place, Suite 720
            Santa Ana, CA 92707
phone:(714) 558-4451
            fax:(714) 558-2035
            email:DOSHSA@dir.ca.gov
San Diego District Office
William Baron, District Manager
            7575 Metropolitan Dr., Ste. 207
            San Diego, CA 92108
phone:(619) 767-2280
            fax:(619) 767-2299
            email:DOSHSD@dir.ca.gov
San Bernardino District Office
Vacant, District Manager
            464 W. 4th Street, Ste. 332
            San Bernardino, CA 92401
phone:(909) 383-4321
            fax:(909) 383-6789
            email:DOSHSB@dir.ca.gov
Riverside District Office
Stephanie Winn, District Manager
            3737 Main St., Ste. 201
            Riverside, CA 92501
phone:(951) 410-4250
            email:DOSHRIV@dir.ca.gov
Region 4 - Monrovia Regional Office
Hassan Adan, Regional Manager
                800 Royal Oaks Drive, Suite 105
                Monrovia, CA 91016
            
Los Angeles District Office
Muhammad Zubair, District Manager
                    320 West 4th Street, Suite 820
                    Los Angeles, CA 90013
                
phone:(213) 576-7451
                fax:(213) 576-7461
                email:DOSHLA@dir.ca.gov
Monrovia District Office
David Rodriguez, District Manager
                    800 Royal Oaks Drive, Suite 105
                    Monrovia, CA 91016
                
phone:(626) 239-0369
                    fax:(626) 239-0387
                    email:DOSHMRV@dir.ca.gov
Van Nuys District Office
Tomas Micheo, District Manager
                    6150 Van Nuys Blvd., Ste. 405
                    Van Nuys, CA 91401
                
                    phone:(818) 901-5403
                    fax:(818) 901-5578
                    email:DOSHVN@dir.ca.gov
                
Long Beach District Office
Omar Castillo, District Manager
                1500 Hughes Way, Suite C-201
                Long Beach, CA 90810
phone:(424) 450-2630
                fax:(424) 450-2675
                email:DOSHLBO@dir.ca.gov
Region 5 - Mining & Tunneling
James Wittry, Principal Safety Engineer
                1750 Howe Avenue, Suite 470
                Sacramento, CA 95825
            
Mining and Tunneling
Sacramento District Office
            Jeffrey Wallace, Senior Safety Engineer
                1750 Howe Avenue, Suite 450
                Sacramento, CA 95825
            
                phone:(916) 574-2540
                fax:(916) 574-2542
                email:DOSHMTSAC@dir.ca.gov
            
Mining and Tunneling
Van Nuys District Office
            Matthew Switzer, Senior Safety Engineer
                6150 Van Nuys Blvd., Suite 310
                Van Nuys, CA 91401
            
                phone:(818) 901-5420
                fax:(818) 901-5579
                email:DOSHMTVN@dir.ca.gov
            
Mining and Tunneling
San Bernardino District Office
            Sterling Wainscott, Senior Safety Engineer
                464 W. 4th Street, Ste. 354
                San Bernardino, CA 92401
            
                phone:(909) 383-6782
                fax:(909) 388-7132
                email:DOSHMTSB@dir.ca.gov
            
Region 6 - High Hazard Unit and Labor Enforcement Task Force Unit
Ayman Shiblak, Regional Manager
                2 MacArthur Place, Suite 820
                Santa Ana, CA 92707
            
High Hazard Unit - North
Tara Huffman, District Manager
                    1515 Clay Street, Ste. 1303, MS #40
                    Oakland, CA 94612
                
                    phone:(510) 622-3015
                    fax:(510) 622-3025
                    email:DOSHHHUN@dir.ca.gov
                
Labor Enforcement Task Force - North
Laurie Gier, District Manager
                1750 Howe Ave, Suite 410
                Sacramento, CA 95825
            
                office:(916) 263-4185
                fax:(916) 263-2567
                email:DIRLETFN@dir.ca.gov
            
High Hazard Unit - Central
Vacant, District Manager
                2550 Mariposa Street, Room 3015
                Fresno, CA 93721
            
email:DOSHHHUC@dir.ca.gov
Labor Enforcement Task Force - Central
Jan Hami, District Manager
                2550 Mariposa Street, Room 3015
                Fresno, CA 93721
            
email:DIRLETFC@dir.ca.gov
High Hazard Unit - South
Lex Eaton, District Manager
                2 MacArthur Place, Suite 820
                Santa Ana, CA 92707
            
                phone:(714) 567-7100
                fax:(714) 662-6091
                email:DOSHHHUS@dir.ca.gov
            
Labor Enforcement Task Force - South
Steven Schmidtbauer, District Manager
                    2 MacArthur Place, Suite 820
                    Santa Ana, CA 92707
                
                    phone:(714) 558-4120
                    fax:(714) 558-6774
                    email:DIRLETFS@dir.ca.gov
                
Region 7 -Process Safety Management Unit Headquarters
    
        
            Andrew Kong, Regional Manager
            
                2 MacArthur Place, Suite 810
                Santa Ana, CA 92707
                            
        
        
    
Andrew Kong, Regional Manager
                2 MacArthur Place, Suite 810
                Santa Ana, CA 92707
                            
Process Safety Management - North
Non Refinery Program
                                Michael Boyle, District Manager
Refinery Program
                                Clement Hsieh, District Manager
                1855 Gateway Blvd., Suite 350
                Concord, CA  94520
            
                phone:(925) 602-2665
                fax:(925) 602-2668
                email:DOSHPSMCONCORD@dir.ca.gov
            
Process Safety Management - South
Non Refinery Program
                        Vacant, District Manager
Refinery Program
                        Alicia Weber, District Manager
                2 MacArthur Place, Suite 810
                Santa Ana, CA 92707
            
                phone:(714) 558-4600
                fax:(714) 558-4614
                email:DOSHPSMS@dir.ca.gov
            
Region 8 - Fresno Regional Office
    
        
                Eddie Miranda, Regional Manager
                
                    2550 Mariposa St., Rm 4000
                    Fresno, CA 93721
                
        
        
    
Eddie Miranda, Regional Manager
                    2550 Mariposa St., Rm 4000
                    Fresno, CA 93721
                
Modesto District Office
Mark Valadez, District Manager
            4206 Technology Dr., Ste. 3
            Modesto, CA 95356
        
            phone:(209) 545-7310
            email:DOSHMod@dir.ca.gov
        
Fresno District Office
Devon Benbrook, District Manager
            2550 Mariposa St., Rm. 4000
            Fresno, CA 93721
        
            phone:(559) 445-5302
            email:DOSHFre@dir.ca.gov
        
Bakersfield District Office
Efren Gomez, District Manager
            7718 Meany Ave.
            Bakersfield, CA 93308
        
            phone:(661) 588-6400
            fax:(661) 588-6428
            email:DOSHBAK@dir.ca.gov
        
Santa Barbara Office
Vacant, District Manager
            411 E. Canon Perdido, Ste. 3
            Santa Barbara, CA 93101                
        
email:DOSHStaBar@dir.ca.gov
Satellite Offices:
Santa Barbara - San Luis Obispo Satellite Office
                4740 Allene Way, Ste. 100
                San Luis Obispo, CA 93401            
            
Santa Barbara - Oxnard Satellite Office
                1901 N. Rice Ave., Ste. 200
                Oxnard, CA 93030
            
Santa Barbara - Salinas Satellite Office
                1880 N. Main St., Ste. 250
                Salinas, CA 93906
            
Region 9 - Agricultural Enforcement Task Force & Outreach Regional Office
    
        
                Edgar Gonzalez, Regional Manager
                
                    7718 Meany Ave.
                    Bakersfield, CA 93308
                
        
        
    
Edgar Gonzalez, Regional Manager
                    7718 Meany Ave.
                    Bakersfield, CA 93308
                
El Centro District Office
Nicolas Berg, District Manager
            1550 W. Main St.
            El Centro, CA 92243            
        
            phone:(760) 592-2727
            email:DOSHAETFElCentro@dir.ca.gov
        
Bakersfield District Office
Vacant, District Manager
            7718 Meany Ave.
            Bakersfield, CA 93308            
        
            phone:(661) 587-3044
            email:DOSHAETFBak@dir.ca.gov
        
Salinas District Office
Larry Martin, District Manager
            1880 N. Main St., Ste. 150
            Salinas, CA 93906            
        
            phone:(831) 443-3130
            email:DOSHAETFSalinas@dir.ca.gov  
        
Lodi District Office
Phillip Johnson, District Manager
            3021 Reynolds Ranch Parkway, Ste. 160
            Lodi, CA 95240            
        
            phone:(209) 310-7245
            email:DOSHAETFLodi@dir.ca.gov
        
San Francisco District Office
Juan Calderon, District Manager
            455 Golden Gate Ave., Rm. 9516
            San Francisco, CA 94102
        
            phone:pending
            email:DOSHAETFSanFrancisco@dir.ca.gov
        
Visit the High Hazard Unit page
Visit the Labor Enforcement Task Force (LETF) Unit page
Visit the Mining and Tunneling (M&T) Unit page
Visit the Process Safety Management (PSM) Unit page
October 2025

