District Attorney Main Office

 
Directions

900 Ward St
Martinez, CA 94553

925-957-2200

925-957-2240

Link: District Attorney Office

Media Requests
Phone: 925-957-8638
Contact by Email

Central / Eastern Operations 
Directions

10 Douglas Drive
Suite 130
Martinez, CA 94553

925-957-8540

925-646-2524


Hours
Monday through Friday
8 a.m. to 5 p.m.

Western Operations 
Directions

100 37th Street
Room 220
Richmond, CA 94805

510-231-1800





Auto Insurance Fraud Unit 

900 Ward Street
Fourth Floor
Martinez, CA 94553

925-957-2200

925-646-4683


Hours
Monday through Friday
8 a.m. to 5 p.m.

Bad Check Diversion Restitution Program 

P.O. Box 3130
Martinez, CA 94553

866-639-8093


Hours
Monday through Friday
8 a.m. to 5 p.m.

Bureau of Investigations 
Directions

900 Ward Street
Fourth Floor
Martinez, CA 94553

925-957-2200

925-646-4683


Hours
Monday through Friday
8 a.m. to 5 p.m.

Cold Case-Unsolved Homicide Unit 
Directions

900 Ward Street
Martinez, CA 94553

925-957-2200

925-646-2565



Community Violence Reduction & Gang Unit 
Directions

900 Ward Street
Martinez, CA 94553

925-957-2200

925-646-2565



Consumer Protection (Civil) Unit 
Directions

900 Ward Street
Martinez, CA 94553

925-957-8650

925-646-4683


Hours
Monday through Friday
8 a.m. to 5 p.m.

Criminal Grand Jury 
Directions

900 Ward Street
Martinez, CA 94553

925-957-2200

925-957-2240


Hours
Monday through Friday
8 a.m. to 5 p.m.

Domestic Violence Unit 
Directions

900 Ward Street
Martinez, CA 94553

925-957-2200



Elder / Dependent Abuse 
Directions

900 Ward Street
Second Floor
Martinez, CA 94553

925-957-8744

925-646-4445


Hours
Monday through Friday
8 a.m. to 5 p.m.

Environmental Enforcement 
Directions

900 Ward Street
Fourth Floor
Martinez, CA 94553

925-957-8604

925-646-4683



Family Violence Prosecution 
Directions

900 Ward Street
Second Floor
Martinez, CA 94553

925-957-2200

925-646-4445


Hours
Monday through Friday
8 a.m. to 5 p.m.

Felony Trial Team 
Directions

900 Ward Street
Third Floor
Martinez, CA 94553

925-957-2200

925-957-2240


Hours
Monday through Friday
8 a.m. to 5 p.m.

Government Corruption Section 
Directions

900 Ward Street
Fourth Floor
Martinez, CA 94553

925-957-8604

925-646-4683


Hours
Monday through Friday
8 a.m. to 5 p.m.

Juvenile Division 
Directions

900 Ward Street
First Floor
Martinez, CA 94553

925-957-2200

925-646-2565


Hours
Monday through Friday
8 a.m. to 5 p.m.

Law & Motion Unit 
Directions

900 Ward Street
Martinez, CA 94553

925-957-2200

925-957-2240





Mental Health Litigation Unit 
Directions

900 Ward Street
Martinez, CA 94553

925-957-2200

925-646-4445


Hours
Monday through Friday
8 a.m. to 5 p.m.

Misdemeanor Trial Team (Central/Eastern) 
Directions

10 Douglas Drive
Suite 130
Martinez, CA 94553

925-957-8540

925-646-2524


Hours
Monday through Friday
8 a.m. to 5 p.m.

Misdemeanor Trial Team (Western) 
Directions

100 37th Street
Room 220
Martinez, CA 94553

510-231-1800


Hours
Monday through Friday
8 a.m. to 5 p.m.

Preliminary Hearing Team (Central / Eastern Area) 
Directions

10 Douglas
Suite 130
Martinez, CA 94553

925-957-8540



Preliminary Hearing Team (Central Area - Martinez) 
Directions

900 Ward Street
Third Street
Martinez, CA 94553

925-957-2200



Preliminary Hearing Team (Western Area) 
Directions

100 37th Street
Room 220
Richmond, CA 94805

510-231-1800



Public Assistance Fraud 

10 Douglas Drive
Suite 200
Martinez, CA 94553

925-646-2335

925-646-2565


Hours
Monday through Friday
8 a.m. to 5 p.m.

Real Estate Fraud Unit 
Directions

900 Ward Street
Fourth Floor
Martinez, CA 94553

925-957-8705

925-646-4683


Hours
Monday through Friday
8 a.m. to 5 p.m.

Sexual Assault Unit 
Directions

900 Ward Street
Second Floor
Martinez, CA 94553

925-957-2200

925-646-4445


Hours
Monday through Friday
8 a.m. to 5 p.m.

Special Operations Division 
Directions

900 Ward Street
Fourth Floor
Martinez, CA 94553

925-957-2200

925-646-4683


Hours
Monday through Friday
8 a.m. to 5 p.m.

Special Prosecutions Unit - Drug 

10 Douglas Drive
Suite 200
Martinez, CA 94553

(925) 646-2333

(925) 646-2565



Special Prosecutions Unit - Juvenile 

10 Douglas Drive
Suite 200
Martinez, CA 94553

(925) 646-2334

(925) 646-2566



Superior Court Operations Division 
Directions

900 Ward Street
Martinez, CA 94553

925-957-2200

925-957-2240


Hours
Monday through Friday
8 a.m. to 5 p.m.

Victim Witness Unit 
Directions

900 Ward Street
Martinez, CA 94553

P.O. Box 670
Martinez, CA 94553

925-957-8650

925-646-2565



Workers' Compensation Fraud Unit 
Directions

900 Ward Street
Fourth Floor
Martinez, CA 94553

925-957-2200

925-646-4683


Hours
Monday through Friday
8 a.m. to 5 p.m.

District Attorney Staff Directory 

Coming Soon


Staff
Name Title Email Phone
Becton, Diana District Attorney  
Butts, Derek Deputy District Attorney  
Cabral, Dan Assistant District Attorney  
Georgiou, Nancy Senior Deputy District Attorney  
Gleason, Colleen Supervising Attorney, Deputy District Attorney  
Grassini, Stacey Senior Deputy District Attorney  
Henderson, Jill Supervising Attorney, Deputy District Attorney  
Jallepalli, Satish Deputy District Attorney  
Katague, Dodie Supervising Attorney, Deputy District Attorney    
Lyddan, Angela Deputy District Attorney  
Manoukian, Molly Deputy District Attorney  
McCosker, Kristina Deputy District Attorney  
Mulligan, Paul Chief of Inspectors  
Mount, James Information Systems Tech 925-957-2246
Peck, Jason Deputy District Attorney  
Piersig, Rachel Central Area (Martinez) Felony Expeditor  
Seymour, Jeremy Supervising Attorney, Deputy District Attorney  
Wagner, Ryan Law & Motion Supervising Attorney  
Walpole, Christopher Acting Assistant District Attorney  
O'Connell , Simon Senior Deputy District Attorney  
Tavenier, Andrea Deputy District Attorney  
Bell, Kevin Deputy District Attorney  
Filkowski, Dana Deputy District Attorney  
Mahoney, Shannon Victim Witness Manager SMahoney@contracostada.org
Johnson, Venus Chief Assistant District Attorney  
Fernandez, Jun Deputy District Attorney  
Bell, Devon Deputy District Attorney  
Alonso, Scott Public Information Officer 925-957-8638