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Attorney John W. Noonan has successfully represented clients in criminal cases in federal, state, and juvenile courts since 1963. Our firm's representation includes a full range of criminal defense related to matters such as drunk driving, DMV, domestic violence, drug charges, and violent crimes. We understand the significant impact a criminal proceeding has on an individual as well as on the entire family. We provide vigorous defense against criminal charges and strive to obtain favorable and lasting outcomes for our clients.

Please Call: 925-463-3340

Please call an experienced lawyer at The Law Office of John W. Noonan today. Our firm can be reached 24 hours a day, seven days a week by calling (925) 463-3340. Se habla español.

Experienced Trial Lawyer

Our main office in Pleasanton, California, our firm defends people throughout the we also have offices in the San Francisco Bay Area, including Alameda County, Contra Costa County as well as valley communities. Our years of successes have earned our firm statewide recognition. John W. Noonan is a former District Attorney. He was named Alameda County Attorney of the Year and is known as one of Northern California's most established criminal trial lawyers.

John W. Noonan cares about and is committed to his clients and the outcome of their cases. Many of our firm's clients are referred by past clients, attorney colleagues, and law enforcement officials. He is a criminal defense trial attorney who is highly respected throughout the legal and local communities.

Our firm offers a full range of criminal defense representation including DUI, DWI, DMV Dept., BUI, domestic violence, drug charges, theft and property crimes, violent crimes, sex offenses, white collar crime, cybercrimes and traffic violations. Additionally, John W. Noonan represents young persons who have been charged who have been charged in juvenile court. We make every effort to find rehabilitation and other sentencing alternatives for our young clients who are found to be responsible. We represent people in a variety of post-conviction hearings; including probation violation, parole violation, lifer hearings and expungement.

Contact our firm today to learn more about how we can help. - 1-800-743-3896 Payment Options Available

Please Call: 925-463-3340

John W. Noonan 
Pleasanton, California
phone (925) 463-3340
fax (925) 463-3661
email Email Me
Email Me

Areas of Practice:

Criminal Law
Domestic Violence
Driving While Intoxicated
Drug Crimes
Juvenile Law
Parole and Probation
Sex Crimes
Traffic Violations
Criminal Law, State Bar of California Board of Legal Specialization

Bar Admissions:
California, 1963
U.S. Court of Appeals 9th Circuit, 1963
Santa Clara University School of Law, Santa Clara, California, 1962

Lincoln University Law School, San Francisco, California, 1962

Santa Clara University, 1955

Classes/Seminars Taught:
Instructor, Chabot College Moot Court Division, 1972 - Present

Instructor, Chabot College Business Division, 1975 - Present

Instructor, Chabot College Administration of Justice Division, 1977 - 1980

Professional Associations and Memberships:
Twin-Valley Bar Association, 1981 - 1983
Member, Board of Directors

Alameda County Bar Association, Criminal Section, 1976 - 1978
Member, Board of Directors

Alameda County Bar Association, 1976 - 1977
Member, Criminal Justice Committee

Southern Alameda County Bar Association, 1973 - 1975
Member, Board of Directors

American Bar Association

State Bar of California, Criminal Section, 1984 - Present
Member, Executive Committee

California Trial Lawyers Association

California Public Defenders Association (Recognized Experience in the Fields of Criminal Defense, Misdemeanor and Felony)

California Attorneys for Criminal Justice

Juvenile Delinquency Prevention Commission, 1969 - 1973

Alameda County District Attorney's Office, 1963 - 1966

Alameda County District Attorney's Office, 1969 - 1971

Past Employment Positions:
Lt. 2nd Armored Division-Artillery, 1956 - Present

Please Call: 925-463-3340

Firm Overview


Pleasanton Criminal Law Lawyer, Aggressive, Reliable & Gets Results

Criminal law matters can affect entire families. When a parent, child, or any other family member has been charged with a crime, everyone reacts differently. At The Law Office of John W. Noonan, we are a family oriented law firm. We understand how the charges impact lives, and we are committed to making a difference. Our firm defends strongly against criminal charges, including seeking treatment programs and sentencing alternatives when appropriate.

Located in Pleasanton, California, our firm represents people throughout Northern California. Call our toll-free number today at (800) 743-3896 to arrange your free consultation. We can begin discussing the rights and options available to you. Our firm accepts credit cards and is open to discussing payment plans with clients.

Experience Counts in Criminal Law

Attorney John W. Noonan has achieved many successes throughout his criminal law career. He constantly strives to make a difference in the lives of his clients, and these efforts have been recognized. He was named Alameda County Attorney of the Year and is known as one of Northern California's most established criminal trial lawyers.

We defend adults and juveniles in a variety of criminal law matters. These include drinking and driving, drug charges, license suspension, violent crimes, and sex offenses.

Sentencing Alternatives

Whenever possible, we encourage placing clients in rehabilitation, treatment programs, community service, and other types of sentencing alternatives. Often, there is a deeper problem--such as a drinking or drug problem--that needs to be addressed. Our firm truly makes a difference in people's lives by helping however we can. Contact us today to arrange a free consultation. Payment Options Available

Practice Areas


East Bay, Alameda and Contra Costa County Criminal Defense Lawyer

At The Law Office of John W. Noonan, we strive to make a significant difference in the lives of clients who need criminal defense. John W. Noonan has been handling criminal cases in federal, state, and juvenile court since 1963. He uses his experience to protect the rights of people who are facing criminal charges. Contact us through our firm’s 24 hour phone line at (925) 463-3340 to arrange your free consultation in any of the following practice areas.

DUI, DWI, DMV, and BUI: If you are concerned about losing your license, heavy fines, and possible jail time, our firm can help with DMV hearings or misdemeanor or felony charges.

DOMESTIC VIOLENCE: Charges of domestic violence can affect entire families. We provide strong defense to individuals charged with domestic violence and people who have been issued protective orders and restraining orders.

DRUG CASES: Our firm represents individuals who are charged with drug crimes. These crimes can involve methamphetamine, marijuana, jib, and other drugs. Charges can include manufacturing, possession, and selling.

JUVENILE CASES: John W. Noonan is experienced in the juvenile court system and provides vigorous advocacy to juveniles charged with a variety of offenses.

THEFT CASES: Theft, fraud, and property crimes can include charges of robbery, shoplifting, employee theft, and insurance fraud. If you or someone you know has been charged with a theft crime, we understand the impact this can have on an entire family. We provide strong advocacy to ensure your rights are protected.

VIOLENT CASES: Conviction of a violent crime carries heavy, life changing penalties. These cases include such charges as assault and battery, domestic violence, assault with a deadly weapon, and murder.

SEX OFFENSES: Conviction of a sex crime requires an individual to register as a sex offender for life. Our firm has the ability to hire private investigators and other experts to build a strong defense on your behalf.

CYBERCRIMES: We handle a wide range of crimes that occur through the internet, including identity theft, fraud, and internet sex crimes.

WHITE COLLAR / ENVIRONMENTAL CRIMES: Fraud, embezzlement and violations of EPA standards are just some of the many white collar and environmental crimes that our firm confidently handles.

DMV HEARINGS FOR DUI and TRAFFIC VIOLATIONS: Speeding, reckless driving, and other moving violations can cause your insurance rates to increase and could result in a loss of driving privileges, such as medical problems.

OTHER CRIMINAL OFFENSES: We represent clients in a variety of post-conviction issues including expungement, record sealing, probation and parole violations, and lifer hearings.

Contact a 45 year experienced criminal defense lawyer today. Payment Options Available We at The Law Office of John W. Noonan represent clients located in Pleasanton, Alameda County, Contra Costa County and other communities throughout California



Alameda County and Contra Costa County DUI Defense Attorney

Effective DUI defense can make a major difference in an individual’s future. At The Law Office of John W. Noonan, we provide DUI defense that addresses various issues of a DUI (driving under the influence) or DWI (driving while intoxicated) arrest. This includes representation with Department of Motor Vehicle (DMV) issues as well as criminal procedure. We strive to beat or reduce the charges and help people maintain their driving privileges.

Do you need to speak with a lawyer regarding drunk driving, BUI, DUI or DWI? Contact our firm through our 24 hour phone number at (925) 463-3340 to arrange your free consultation. Attorney John W. Noonan has been making a difference in people’s lives since 1963.

DMV Hearings and Criminal Proceedings

We represent clients in DMV hearings and in the criminal court system. We provide DUI defense to clients who are facing first or multiple charges. We provide counsel to clients during the administrative hearing, providing vigorous advocacy aimed at preserving our clients' driving privileges.

DUI defense is based largely upon assessing what happened at the traffic stop. Evidence such as law enforcement reports, blood tests, and breathalyzer results will play a crucial role in the defense. John W. Noonan has extensive experience in the various matters that need to be addressed regarding the stop. He is skilled at analyzing evidence and negotiating on behalf of his clients. Additionally, he appears on behalf of clients in court so our clients do not have to miss work.

Boating Under the Influence (BUI)

Recent changes to the law in California are affecting people charged with operating a boat under the influence except for CDL. A BUI has consequences that are now the same as DUI. If you are facing BUI charges, it is important to have a lawyer on your side that can help you understand your legal situation and the ways in which your defense can be structured.

Contact our Pleasanton firm today for experienced DUI and BUI defense. Payment Options Available

Domestic Violence


Pleasanton Domestic Violence Charges

Accusations of domestic violence are not limited to husband and wife relationships. Domestic violence spans all forms of relationships: boyfriends, girlfriends, same sex partners, elders, and children. If you or someone you care about has been issued a restraining order or accused of domestic violence, our firm can help. At The Law Office of John W. Noonan, we provide strong legal advocacy to people who are faced with serious accusations.

Do you need to speak with a lawyer regarding an accusation of family violence? Call our firm's 24 hour phone number at (925) 463-3340 to arrange your free consultation. John W. Noonan has been making a difference in people's lives since 1963.

Protecting Your Rights

If you have been issued a restraining order, our firm can help. Often, we can work with a family law attorney to approach the issue from a comprehensive standpoint. If divorce or children are an issue, accusations of domestic violence can play a role there as well. We also make every effort to have people placed in treatment programs where that is appropriate. Our firm is highly experienced in criminal defense and familiar with the procedures and process of a domestic violence case. We are strong legal advocates for our clients, ensuring their rights are protected throughout the process.

Domestic abuse also involves allegations of stalking, assault, battery, harassment, and sometimes sexual assault. If you or someone you know is facing these types of charges, we understand the confusion and fear a person may be experiencing. Our firm strives to educate clients about the process they will go through, their rights, and the options that are available.

Contact our firm today to learn more about how attorney John W. Noonan can help in a domestic violence case. Payment Options Available



Alameda County Cybercrime Defense Lawyer

In today's society, everyone has access to computers and the internet. Whether it is from their own home, a public library or an internet café, individuals have many ways of accessing the internet. Police surveillance of the internet has also increased. Cybercrimes are becoming increasingly common with the increased and widespread usage of technology in our daily lives.

If you have been charged with one or multiple cybercrimes, turn to us at The Law Office of John W. Noonan. Located in Pleasanton, California, we have been providing individuals with professional criminal defense representation since 1963. Our firm serves Pleasanton, Alameda County, Contra Costa County and the surrounding Bay Area California communities, as well as the San Jose Valley.

To speak with a member of our firm about your cybercrimes charges, contact us through our firm's 24 hour phone number at (925) 463-3340. This call can allow you to arrange a free consultation with cybercrime defense attorney John W. Noonan.

Cybercrimes, or computer crimes, are generally defined as criminal activity involving an information technology infrastructure. Some of the types of cybercrimes that we handle include:

  • Forgery and identity theft
  • Electronic or computer fraud
  • Misuse of devices
  • Unauthorized or illegal access
  • Illegal interceptions
  • Data interference
  • Systems interference
  • Hacking
  • Invasion of privacy
  • Stalking and harassment

Internet Sex Crimes

As a criminal defense law firm, we also handle a range of sex crimes, including those that are committed with the help of the internet. One of the more common situations is when an adult arranges a meeting with an individual that they have been speaking with via the internet. They believe this individual to be of age when in reality it is an underage individual. This can result in a range of charges, such as solicitation of a minor or child pornography.

Contact a lawyer at our firm today to schedule your consultation. We will discuss the facts of your charge and potential defenses to the internet fraud and cybercrime charges. Payment Options Available.

PLEASANTON CA Criminal Defense Lawyer

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