Cal/OSHA Enforcement Branch
Regional and District Offices

All Offices Closed for Cesar Chavez Day

All DIR offices will be closed on Monday, April 1 for Cesar Chavez Day. Visit the State Holidays page for more information.

Debra Lee, Deputy Chief
Field Enforcement

(714) 558-4411
DOSHEnforcement@dir.ca.gov

David Wesley, Assistant Deputy Chief
Field Enforcement

(714) 558-4411
DOSHEnforcement@dir.ca.gov

Abigail Fabricante, Regional Manager
455 Golden Gate Ave., Rm 9516
San Francisco, CA 94102

Phone:(415) 557-0300
Fax:(415) 557-0900
DOSHREG1SanFrancisco@dir.ca.gov

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
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
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
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
DOSHOAK@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
DIRDOSHAmericanCanyon@dir.ca.gov

Region 2 - Sacramento Regional Office

William Estakhri, Regional Manager

1750 Howe Avenue, Suite 440
Sacramento, CA 95825

Phone:(916) 263-2803
Fax:(916) 263-2824
DOSHREG2Sacramento@dir.ca.gov

Sacramento District Office

Joseph Crocker, District Manager

1750 Howe Ave. Suite 430
Sacramento, CA 95825

phone:(916) 263-2800
fax:(916) 263-2798
DOSHSAC@dir.ca.gov

Modesto District Office

Eddie Miranda, District Manager

4206 Technology Drive, Ste. 3
Modesto, CA 95356

phone:(209) 545-7310
fax:(209) 545-7313
DOSHMOD@dir.ca.gov

Fresno District Office

Vacant, District Manager

2550 Mariposa Street, Rm. 4000
Fresno, CA 93721

phone:(559) 445-5302
fax:(559) 445-5786
DOSHFresno@dir.ca.gov

Redding District Office

John Wendland, District Manager

381 Hemsted Drive
Redding, CA 96002

phone:(530) 224-4743
fax:(530) 224-4747
DOSHRED@dir.ca.gov

Region 3 - Santa Ana Regional Office

Vacant, Regional Manager

2 MacArthur Place, Suite 720
Santa Ana, CA 92707

Phone:(714) 558-4300
Fax:(714) 558-4083
DIRDOSHRegionIII@dir.ca.gov

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
DOSHSA@dir.ca.gov

San Diego District Office

Michele Boswell, District Manager

7575 Metropolitan Dr., Ste. 207
San Diego, CA 92108

phone:(619) 767-2280
fax:(619) 767-2299
DOSHSD@dir.ca.gov

San Bernardino District Office

Michael Loupe, District Manager

464 W. 4th Street, Ste. 332
San Bernardino, CA 92401

phone:(909) 383-4321
fax:(909) 383-6789
DOSHSB@dir.ca.gov

Long Beach District Office

David Rodriguez, District Manager

1500 Hughes Way, Suite C-201
Long Beach, CA 90810

phone:(424) 450-2630
fax:(424) 450-2675
DOSHLBO@dir.ca.gov

Region 4 - Monrovia Regional Office

Hassan Adan, Regional Manager

800 Royal Oaks Drive, Suite 105
Monrovia, CA 91016

Phone:(626) 471-9122
Fax:(626) 471-9133
DOSHREG4Monrovia@dir.ca.gov

Los Angeles District Office

Victor Copelan, District Manager

320 West 4th Street, Suite 820
Los Angeles, CA 90013

phone:(213) 576-7451
fax:(213) 576-7461
DOSHLA@dir.ca.gov

Monrovia District Office

Vacant, District Manager

800 Royal Oaks Drive, Suite 105
Monrovia, CA 91016

phone:(626) 239-0369
fax:(626) 239-0387
DOSHMRV@dir.ca.gov

Van Nuys District Office

Zulfiquar Merchant, District Manager

6150 Van Nuys Blvd., Ste. 405
Van Nuys, CA 91401

phone:(818) 901-5403
fax:(818) 901-5578
DOSHVN@dir.ca.gov

Bakersfield District Office

Efren Gomez, District Manager

7718 Meany Ave.
Bakersfield, CA 93308

phone:(661) 588-6400
fax:(661) 588-6428
DOSHBAK@dir.ca.gov

James Wittry, Principal Safety Engineer

1750 Howe Avenue, Suite 470
Sacramento, CA 95825

Phone:(818) 901-5420
Fax:(818) 901-5579
DOSHREG5Sac@dir.ca.gov

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
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
DOSHMTVN@dir.ca.gov

Mining and Tunneling
San Bernardino District Office

Diane Fionda, Senior Safety Engineer

464 W. 4th Street, Ste. 354
San Bernardino, CA 92401

phone:(909) 383-6782
fax:(909) 388-7132
DOSHMTSB@dir.ca.gov

Ayman Shiblak, Regional Manager

2 MacArthur Place, Suite 820
Santa Ana, CA 92707

Phone:(714) 558-4415
Fax:(714) 558-4449
DOSHREG6SantaAna@dir.ca.gov

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
DOSHHHUN@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
DOSHHHUS@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
DIRLETFN@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
DIRLETFS@dir.ca.gov

Vacant, Statewide Manager and Policy Advisor

1855 Gateway Blvd., Suite 350
Concord, CA 94520

Phone:(925) 602-2665
Fax:(925) 602-2668
DOSHPSMCONCORD@dir.ca.gov

Process Safety Management - North

Non Refinery Program
Michael Boyle, District Manager

Refinery Program
Keith Koterbay, District Manager

1855 Gateway Blvd., Suite 350
Concord, CA 94520

phone:(925) 602-2665
fax:(925) 602-2668
DOSHPSMCONCORD@dir.ca.gov

Process Safety Management - South

Non Refinery Program
Robert Salgado, District Manager

Refinery Program
Andrew Kong, District Manager

2 MacArthur Place, Suite 810
Santa Ana, CA 92707

phone:(714) 558-4600
fax:(714) 558-4614
DOSHPSMS@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




January 2024