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Experienced Family Law Attorneys in Santa Rosa, CA
The Family Law Office has been dedicated to providing comprehensive family law representation throughout Sonoma County for over 15 years. Our practice focuses on understanding each client's unique needs and developing tailored legal strategies to address their specific circumstances. We combine extensive experience in divorce proceedings, child custody matters, and property division with a commitment to client education and informed decision-making. Our approach balances compassionate guidance with assertive advocacy, utilizing mediation when appropriate while maintaining readiness for courtroom litigation.

With deep roots in the Santa Rosa community and prior experience in both the Sonoma County District Attorney's office and Child Support Department, we bring practical insights to every case. Our team prioritizes clear communication and personalized attention, ensuring clients understand their legal options while working toward favorable outcomes that protect their family's future.
Services
Child Custody and Visitation Child Support Spousal Support Property Division Restraining Orders Marvin Actions
Highlights and features
  • We offer 15+ years of family law experience in Sonoma County
  • Our client-centered approach prioritizes individualized case planning
  • We utilize mediation and collaborative methods when appropriate
  • We provide aggressive courtroom representation when necessary
  • Our team understands local court procedures and community needs
Services
Child Custody and Visitation
We help establish custody arrangements that prioritize children's best interests while protecting parental rights. Our approach combines legal expertise with compassionate guidance to create visitation schedules that work for all family members. We handle complex custody disputes through negotiation or litigation when necessary.
Child Support
Our team ensures fair child support arrangements that maintain children's standard of living. We calculate support based on California guidelines while considering each family's unique circumstances. We help modify existing orders when needed and enforce support agreements through legal channels.
Spousal Support
We help establish fair spousal support arrangements that consider marriage duration and financial disparities. Our approach balances legal requirements with practical considerations for post-divorce financial stability. We handle temporary and long-term support determinations through negotiation or court proceedings.
Property Division
We handle equitable division of marital assets and debts under California community property laws. Our team identifies and values complex assets like retirement plans and real estate to ensure fair distribution. We resolve disputes over property characterization and division through mediation or litigation.
Restraining Orders
We help obtain emergency protective orders for domestic violence victims and defend against false allegations. Our team guides clients through the legal process while prioritizing personal safety. We handle modifications and enforcement of existing restraining orders.
People
Brian Lanz
Attorney
Brian Lanz has practiced family law in Sonoma County for over 15 years. After working with the District Attorney's office and Child Support Department, he founded his practice to provide personalized legal representation. He focuses on helping families navigate divorce, custody, and support matters with compassion and expertise.
Questions
What family law services do you specialize in?
We specialize in divorce, child custody and visitation, child and spousal support, property division, restraining orders, and Marvin actions for unmarried couples.
Do you handle cases throughout Sonoma County?
Yes, we represent clients in Santa Rosa, Rohnert Park, Sebastopol, Petaluma, Cotati, Windsor, and all communities throughout Sonoma County.
What experience does your firm have?
Our attorney has over 15 years of family law experience, including prior work with the Sonoma County District Attorney and Child Support Department.
How do you approach child custody cases?
We focus on creating custody arrangements that serve the child's best interests while protecting parental rights through negotiation or litigation.
What are Marvin actions?
Marvin actions provide legal remedies for unmarried couples regarding property division and financial support after long-term cohabitation relationships.
Reviews (4)
Blaine B.
Jan 02, 2022 Report
I am so happy that I went with Brian and his team at the Family Law Office. If you are looking for an attorney who is experienced, ethical, hard working, and efficient I highly recommend contacting them. Because of Brian and his team my family is now protected and safe.
Ira D.
Jan 14, 2019 Report
My divorce was neither contentious nor particularly difficult. All I needed Brian and his assistant to do was to keep track of the proceedings and file appropriate documents and keep me informed. There was no strategies, no difficult calculations - nothing like that. Just keep me updated and informed, and they managed to "forget" to inform me where the location of the final settlement conference was. They sent me a notification about the date, but not the place. So on the day of that final conference, I had to call my soon to be ex to find out where to go for that conference. I
Amy Palmer
Jul 20, 2018 Report
So the biggest compliment an attorney can probably get is when their own client's ex-wife leaving a 5-star review for their firm, rather than for her own attorney; which is what is happening right now. By the end of my divorce, my attorney at Perry Johnson was fired and Brian Lanz handled all the concluding legalities for both my ex-husband and me. He was always respectful even though he was still only representing my former spouse. He was very easy to work and communicate with & responsive to calls/emails.
Brian helped his client bleed $80,000 out of me (which was horrible for me, but great for
Tom McCurry
Jun 15, 2014 Report
I approached Brian for help with some divorce filings. He was cheerfully willing to meet with me and guide me through the process of filing my own papers. As the divorce became more complicated, I retained Brian to represent me in court.
Brian is not only a well informed and competent attorney, he is also an intelligent and pleasant human being. I interviewed four other attorneys in the area and I have watched several others at work in the courtroom, and I simply could not make the same statements about them. Brian has good integrity, legal smarts and courtroom savvy. He is a unique man whose