The Law Office of Derek R. Ewin

The Law Office of Derek R. Ewin

Firm Overview

In 2005, after approximately 13 years in District Attorneys' offices, I opened my own law practice. My office is completely dedicated to adult and juvenile
drunk driving and criminal defense. I handle cases ranging from simple
misdemeanors such as drunk driving, vandalism, petty theft, and possession
of a controlled substance to serious felonies such as burglaries,
robberies, domestic violence charges, weapons charges, gangs and homicides.Example casesDomestic Violence Arrest
Talked to the District Attorney before filing
No charges filed

Drunk Driving Arrest with .19 blood alcohol level
DMV license suspension hearing
License not suspended

Felony Resisting an Officer and Possession of an Illegal Weapon
Resolved as a misdemeanor Illegal Weapon for Time Served

Felony Drug Sales
Resolved for Drug Rehab and a dismissal of the charges

Possession of a Drug without a Prescription

Vehicular Manslaughter
Aquitted at jury trial

Felony Residential Burglary Arrest Warrant
Released with no charges filed

Felony Resisting Arrest
DA wanted a felony conviction and 9 months in jail
After preliminary hearing case resolved as a misdemeanor for time served

Domestic Violence Spousal Battery Charges
Resolved as Disturbing the Peace
Theft Charges
Resolved for a 1 day theft awareness class and a dismissal

Main Office

201 North Civic Drive
Suite 225
Walnut Creek CA 94596


(925) 262-8406


(925) 262-8398


Free Initial Consultation?

I offer a free initial consultation.

Services Offered For Fixed Fees?

I charge a flat fee up front for each case. The fee depends on the type of charges and the facts of the case. Fees can range from $750 to several thousand dollars.

Hourly Rates

I rarely perform hourly work, but if I do, the fee ranges from $400 to $500 an hour depending on the situations.

Office Information

Office Hours

Monday through Friday
8:00 a.m. - 5:00 p.m.

Office Manager


Emergency After Hours


Languages Spoken

English (Can work with Spanish speaking clients also)

Criminal Defense

Former Contra Costa County Prosecutor Specializing in Criminal and DUI/Drunk Driving Defense Two Decades of Experience

I am a former Contra Costa County Prosecutor. I worked as a Deputy District Attorney there for approximately 12 years. I have handled cases ranging from Petty Theft to Capital Murder and everything in between. I have done over 100 trials including, but not limited to, traffic, DUIs, drugs, robberies, gangs and homicides. My knowledge of the law, experience in the courtroom and relationships with the district attorneys and court staff allow me to get my clients the best possible results. For more information, go to my web site at


How did your firm decide on the primary area of practice(s)?

I find criminal law fascinating. In law school I excelled in trial and appellate advocacy.

What is your firm's point of view regarding clients educating themselves on legal issues?

Educated clients better understand the situation they are in and the various avenues that are available to them.

Is your firm willing to review documents prepared by clients?

Because I do not think people should represent themselves in criminal cases I generally will not review pro-per documents. I review all materials that clients present to me that are relevant to their case.

Is your firm willing to coach clients who want to represent themselves?

I think that it is very dangerous to represent oneself in a criminal case. Therefore, I will not coach clients to represent themselves.

Derek Ewin

The Law Office of Derek R. Ewin

Derek R. Ewin

The Law Office of Derek R. Ewin

I worked in the Yolo County District Attorney's Office during law school - assigned to the major narcotics unit. I worked for a short time at the Ventura County District Attorney's Office after law school. From 1994 to 2005 I worked as a Deputy District Attorney in Contra Costa County. I prosecuted cases ranging from simple misdemeanors to complex, multi-defendant gang homicides.

All of my years as a prosecutor give me a huge advantage as a defense attorney. I know the way the DA's think. I know how they investigate, charge and prosecute a case. I know the way police officers think and investigate cases. I continue to be well respected in the DA's office, so when I negotiate cases, I don't have to prove myself. I, and my clients, are immediately treated fairly and with respect.

I have also personally conducted over 100 trials in California Courts, so I know how to handle them when necessary and how to avoid them when advantageous to my clients.

Through my extensive experience and friendly, calm demeanor, I easily make clients feel comfortable in a frightening situation. Being well respected by the DA's Office, I often obtain a fair offer for my clients in a short time frame. My years as a Deputy District Attorney allow me to know the way the other side thinks, so that I can quickly and effectively evaluate and negotiate a case.

Laid back and friendly yet extremely professional.

My experience, reputation and relationships in the legal community help me get treated well by DA's and Courts alike. As a result, I can get you the
best possible out come.

Personal interests:

I enjoy dirt bike riding and racing, wakeboarding, camping and working on
my house. I am a Christian. My family is very important to me. I am also a firearms enthusiast.


Bar Number: 168567
California, 1993


University of California, Davis
J.D., 1993

* Nolo has confirmed that every member attorney has a valid license and is in good standing with the state agency that licenses lawyers. Any past disbarments and suspensions (with possible exceptions for minor violations or nonpayment of dues, in our discretion) will be indicated accordingly in the badge. Member attorneys are required to notify Nolo immediately if they become the subject of any disciplinary action by any state licensing agency.