Free Consultation
$0 first 30 minutes
O'Neil Law Firm is a respected law firm advocating for clients in Environmental Law, Family Law and Adoption cases. Based in Oakland, we are familiar with the courts of the Oakland area throughout all of California. Our attorneys have the necessary skill to help you resolve your legal problem. No matter what your case involves, we are focused on your success. Please read our profiles to learn more about our professional backgrounds.
Knowledgeable attorneys handle multiple areas of the law
O'Neil Law Firm has a thorough understanding of California law. Our lawyers work hard to help you get the best possible results in the following practice areas:
Environmental Law: Due to the complexity of environmental laws, it is important for businesses to be represented by attorneys who are familiar with the law. Our lawyers have significant experience in environmental law and have the skills necessary to successfully guide you through the legal process.
Family Law: Changes in your family structure pose many challenges. Whether you are pursuing adoption, experiencing marital conflict, or facing another issue close to home, you need a family law attorney who can help you find solutions for your legal problems. We answer all of your questions as we guide you through your family law matter.
Adoption: Adopting a child should be a joyous occasion for your family. However, the process can be complicated and frustrating. Our experienced attorneys help clients through the adoption process, bringing your child home as soon as possible.
Child Support: When parents go through a divorce, they have to decide how to best support their children. At our firm, our goal is to protect your children’s right to financial security. Our experienced attorneys are here for you during your child support case.
Divorce: Choosing to dissolve your marriage can be stressful and overwhelming. There are many decisions you have to make, such as child custody and spousal support. During your divorce, you need an experienced attorney to advocate for the best interests of you and your family. Our lawyers are dedicated to helping you through the divorce process.
Obtaining Domestic Violence Orders: At our firm, our experienced attorneys provide skilled representation to clients seeking orders of protection. We can help you seek a restraining order to protect you and your family.
Defending Against Domestic Violence Orders: At our firm, our experienced attorneys provide skilled representation to clients fighting to avoid restraining orders. We help defend your rights when you are facing the prospect of arestraining order.
Child Custody: When you are going through a divorce, the well-being of your children is always a top priority. Our attorneys have significant experience in all aspects of child custody law. We are dedicated to protecting your right to raise your child in a healthy environment.
When you retain the services of O'Neil Law Firm, you can be assured that your attorney is fully qualified to take on your case.
Contact our reputable California law firm today
O'Neil Law Firm sees your case through from start to finish. Let our lawyers work with you to address your legal concerns. Our office is conveniently located in Oakland. Call our firm at to arrange your free consultation or contact the firm online.
6
Practice Areas
16 years
16 years
16 years
16 years
Free Consultation
$0 first 30 minutes
Quickly connect with top attorneys through our legal directory to get help with your legal issue.
Chat with a live agent who can match you with the right attorney for your legal needs.
Chat withState: California
Acquired: 2008
No misconduct found
385 Grand Avenue, Suite 300, Oakland, CA, 94610
2168 Esplanade, Chico, CA, 95926
3223 Webster St., San Francisco, CA, 94123
Showing 1 - 5 of 7 client reviews from Avvo
Posted by Teresa | October 27, 2022 | Hired Attorney
Mr. Dennis doesn't miss a beat. I wish I could have hired him for everything. In a short time he made all the difference for me in a dirty divorce. I am still dealing with a disgruntled ex and as i go thru the work Mr. Dennis did several years ago, I looked for a page online where I could give him...
Posted by Justin | March 31, 2021 | Hired Attorney
I believe my custody case is an uphill battle. Being long distant from the county for court. O'Neil Dennis is making everything so easy. The filings are prompt & professional. He is going above and beyond my expectations as a first time client. Trust me if you need an attorney contact O'Neil first.
Posted by Donna | November 15, 2016 | Hired Attorney
He is an awesome Atty... He goes above and beyond to help his clients... He will follow every lead and every avenue he can to help your case... He truly cares
Posted by Anne | December 19, 2013
O'Neil Dennis is an outstanding professional. I engaged him to represent me in family court on the basis of his reputation for being prompt, thorough, prepared, experienced and candid. Mr. Dennis took my child custody case on short notice and worked late into the evenings with me in order to be prep...
Posted by Mark | December 12, 2013
I consulted this lawyer for my FL case. I found my settlement said I had a long term marriage, would need to pay ex $4,000/mo. if she remarried, and a horribly large amount of alimony, not based on a dissomaster. I found myself about to retire on $2,000/mo., ex had stolen retirement, and business w...
"O'Neil Dennis is a great man; if you have legal needs, you want Mr. Dennis to fight for you. He's a true professional."
"I endorse this lawyer. Mr. Dennis is a very knowledgeable attorney who works hard for his clients."
"I endorse this lawyer. I am pleased to witness O'neil G Dennis' ability to handle complicated cases with care and determination to provide the best possible results for his clients."
"Mr. Dennis is an excellent family law attorney. I routinely refer those with family law issues his way. He is extremely dependable, detail-oriented and obtains great results."
"I endorse Mr. Dennis. He has quickly established himself as a well respected attorney in Butte County."
Criminal defense lawyer
Litigation lawyer
2016 - Present
Alameda County Bar AssociationFamily Law Referral Panelist
2016 - Present
Contra Costa County Bar AssociationFamily Law Referral Panelist
2011 - 2016
San Francisco Bar AssociationFamily Law and Contempt Referral Panelist
English
Legal Answers
Legal Guides
Does Family Code Section 4333 applies to Temporary Spousal Support?
11 Dec 2010
Overcharge by Alameda County Department of Child Support Services
09 Oct 2010
Step Parent Adopting when Child's Biological Father was deported and not a U.S Citizen.
15 Jul 2010