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Vallejo DUI Lawyer


The state of California has offenses under both DUI and DWI titles. The DWI (driving while intoxicated) law limits a driver over the age of 21 to a blood-alcohol level of 0.08%. Any higher than this constitutes breaking the law and may result in a charge. The DUI, or driving under the influence, law is a broader statute that includes alcohol and other drugs. Both infractions have similar penalties and it’s important to contact a Vallejo DUI lawyer if you’ve been convicted of either a DUI or DWI.

How is Driver Impairment Tested?

Individuals may be arrested for impaired driving, even if their blood-alcohol content (BAC) is under 0.08%, as per the DWI law. All that is required to make an arrest is probable cause, meaning an officer who has reasonable suspicion that you are impaired is legally permitted to arrest you.

Though that may seem extremely broad and ripe with opportunity for police misconduct, there must be a specified cause that the police officer can cite for reason to make an arrest. Some specified probable cause may be:

  • Driving in multiple lanes at once
  • Weaving between lanes
  • Driving excessively slowly
  • Hesitating to pass through a stoplight that is already green
  • Speeding

After the police officer pulls over the car that has been exhibiting any of the above mentioned or other behavior that seems suspicious, there are observations the police officer may make about the driver that can justify an arrest for driving under the influence. Some of the behaviors or physical traits that an officer may use to make an arrest include:

  • Red or bloodshot eyes
  • Dilated pupils
  • A smell of alcohol or other drugs
  • Slurred or confused speech
  • Erratic behavior

Any of the above physical conditions or behavior may lead an officer to asking the driver to step out of his or her vehicle and to complete some sobriety tests. If you have had to take any sobriety test, call a Vallejo DUI lawyer to get legal protection immediately. These tests are designed to check if a driver’s brain is operating properly and is capable of completing cognitive and motor tasks. Some of the more common field sobriety tests are:

  • Walk heel-to-toe one foot in front of the other in a straight line without looking down, then turning and repeating in the opposite direction
  • Following a moving object with the eyes without moving the head
  • Balancing on one foot with your arms at your sides

Testing Blood-Alcohol Content in California

California is what is known as an “implied consent” state. This means that by getting behind the wheel, a driver implicitly consents to having his or her blood-alcohol content tested when requested by an officer. It’s important to note that driving is not a right but a privilege, and that privilege comes with some stipulations. If you refuse to be subjected to an alcohol or drug test, your driver’s license can be immediately suspended. If that has happened to you, contact a Vallejo DUI lawyer immediately to learn what you can do because there are time limitations.

The most common way police officers test the BAC of a driver is with a tool called a breathalyzer. A breathalyzer can pick up trace amounts of alcohol from a person’s breath when they breathe into it. Unfortunately, the breathalyzer is not a very accurate tool and often is not used properly. Some ways in which a breathalyzer may not be used properly includes, but is not limited to, the following:

  • Failure to conduct a 20 minute period of observation in which the driver cannot drink, eat, or vomit
  • The mouthpiece was not replaced between tests
  • The breathalyzer was not calibrated
  • Cellphone or electronic interference
  • Excessive variance between readings

Choosing a Vallejo DUI Attorney

We’re Experienced in CALIFORNIA DUI LAWS

If you or a loved one have been charged with a DUI or DWI, it is extremely valuable to get a Vallejo DUI lawyer. A DUI charge can linger on a person’s record and come with serious legal consequences. Some things to keep in mind when choosing a lawyer include:

  • DUI defense is a highly specialized field. You should seek representation that has extensive experience in that field. It’s best to find a Vallejo DUI lawyer that exclusively deals with DUI cases.
  • Does the attorney make promises about results? This is an unethical move as there is no guarantee in the courts. An attorney that makes promises is one that should not be taken seriously.
  • Can the lawyer get technical witnesses? It may be necessary to have expert witnesses regarding police procedures and technical analysis. The lawyer should also be able to get samples reanalyzed and to get records of the breathalyzer used.
  • What’s the lawyer’s reputation? Where did he or she attend law school? What are his or her references and reviews like?

Hiring a defense lawyer for DUI charges is a very serious task that should not be taken lightly nor should it be delayed. Be sure to do your research and find a reputable and experienced Vallejo DUI lawyer to take your case and help you fight your charges.

Speak to Our Vallejo DUI Lawyer

Have Been Arrested & Are Accused of a DUI/DWI? The Choyce Law Firm knows how a DUI or DWI can alter your life and reap negative repercussions. That’s why our experienced criminal defense attorneys fight hard to get your charges dismissed or reduced. Give us a call at (707) 422-1202 to speak to a Vallejo DUI lawyer today.





      This is my second time hiring Mr. Choyce for my son, who was charged with a criminal act. Both times that I hired Mr. Choyce, I was very impressed with his knowledge of the law, his professionalism, and the fact that he was relatable. He is trustworthy, tells you the truth about what you are facing. He is organized, he is a very good listener, came up with strategies that were appealing.I can’t say enough good about Mr. Choyce! I knew that he was going to give my son’s case everything he had, and he did!

      DUI Defense Client

      Hiring the Choyce Law Firm was the best decision I made while trying to decide what to do after getting charged with a 3rd DUI. I tried to use a lawyer that I had previously used when in trouble with the law, he was near retirement and wasn’t able to give my case the attention I was looking for understanding that I was facing jail time. When contacting Mr Choyce we discussed my case and he told me he could help, he even knew my previous attorney. Mr Choyce was aggressive in fighting my case with filing motions on my behalf an trying to get my case dismissed, I was very pleased that he was not just looking to get the first deal the D.A. offered but was aggressively trying to win my case. Although we were not able to get the dismissal we were looking for he was able to keep me out of jail an I was able to serve my sentence on the EHD Program, which allowed me to keep my job an that was very important to me. Mr Choyce also handled a second case for me, I was charged with driving on a suspended license and no registration. Once again Mr Choyce was aggressive with this case and took it to trail an was able to get a not guilty verdict, which saved me a great deal of money in fines that would be pending with a guilty verdict. Overall hiring Mr Choyce and his team was the best decision I made, he provided great service at a respectable rate, an explained things as they were happening and with the charges I was facing I was very happy with the outcome of my cases that he handled. I would strongly recommend Mr Choyce and his team to anyone I know that needs legal representation he knows the law and will provide you with the best service you could hope for form a lawyer that wants to win.

      Personal Injury Client

      “This is my second time using Mr. Choyce, and I would choose no one other than him. Both times that I hired him, it was for my son, and they were very serious cases. Mr. Choyce is smart, professional, practical, and relatable. He is a serious person, who listens, speaks in laymens terms, so that you understand what is going on. Not like some that I have experience, who talk over you, and dont take the time to really answer your questions.The second case got very close to going to trial, however, I was confident that I had the best of the best representing my son. Thank God that after willing to go to trial, we got a deal that, I think was a win win.I would definitely, without a question, hire Mr. Choyce again!”