Brian Lanz Law Office - Santa Rosa, CA office in Santa Rosa, California
Brian Lanz Law Office - Santa Rosa, CA

Brian Lanz Law Office - Santa Rosa, CA

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1101 College Ave #200, Suite 200, Santa Rosa, California, United States
28 Years of Practicing, since 1998
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Free Consultation +1 707-523-4419
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Brian Lanz Law Office is a premier Santa Rosa family law and divorce practice led by attorney Brian Lanz, bringing more than twenty-five years of dedicated courtroom and mediation experience to marital dissolutions, complex property division, and child custody disputes across Sonoma County.

Over Twenty-Five Years of Dedicated Family Law Advocacy in Santa Rosa

Navigating the dissolution of a marriage or a contested child custody battle can be one of the most emotionally exhausting challenges of your life. Located at 1101 College Avenue Suite 200 in Santa Rosa, California, the Brian Lanz Law Office provides steady, compassionate, and trial-tested family law representation to clients across Sonoma County, Napa County, and the surrounding North Bay communities. Established by seasoned family lawyer Brian Paul Lanz, the practice is committed to protecting clients financial security and parental rights while minimizing emotional turmoil.

After earning his Juris Doctor from Empire College School of Law in Santa Rosa, Brian Lanz honed his trial skills working directly with practicing attorneys, the Sonoma County District Attorney office, and the local child support agency before dedicating his career exclusively to family law. Having experienced the emotional complexities of divorce within his own family growing up, Mr. Lanz approaches every case with empathy and practical insight. For individuals looking to hire an attorney who will personally handle their case with tailored strategy rather than assigning it to junior staff, this Santa Rosa practice delivers an exceptional standard of client care.

Strategic Guidance for Divorce and Complex Property Division

Under California community property laws, marital assets and liabilities must generally be divided equally upon divorce, which often sparks contentious disputes over valuation and characterization. Serving as trusted divorce lawyers, the firm manages sophisticated financial dissolutions involving:

  • Accurate identification and tracing of separate property versus community property assets.
  • Valuation and division of real estate holdings, family residences, wine country properties, and vacation homes.
  • Division of executive compensation packages, stock options, retirement pensions, and 401(k) accounts.
  • Uncovering hidden assets and addressing marital debt liabilities such as mortgages and business loans.
  • Marvin action litigation asserting property rights and financial support claims for non-married cohabitating partners.

Child Custody, Visitation, and Child Support Advocacy

Protecting the well-being and developmental stability of minor children is the primary objective of California family courts. As experienced child custody lawyers and child support lawyers, the Brian Lanz Law Office advocates tirelessly for fair and enforceable parenting plans:

  • Negotiating legal custody, physical custody arrangements, and structured parenting time schedules.
  • Child support calculations under California statutory guidelines, accounting for all income streams and deductions.
  • Modifying existing custody arrangements and support orders when substantial changes in circumstances occur.
  • Parental relocation disputes and move-away petitions impacting existing visitation schedules.
  • Establishing paternity rights and legal parentage for unmarried mothers and fathers.

Spousal Support and Domestic Violence Restraining Orders

Securing economic fairness post-divorce requires careful assessment of marital lifestyle, earning capacities, and length of marriage. Additionally, when safety is compromised, the firm takes immediate legal measures:

  • Negotiating temporary and permanent spousal support alimony arrangements to ensure financial equilibrium.
  • Domestic violence lawyers representation petitioning for and defending against emergency and permanent restraining orders.
  • Drafting and reviewing prenuptial agreement lawyers documents to safeguard personal assets prior to marriage.

Personalized Service and Free Initial Case Evaluations

At the Brian Lanz Law Office, every case strategy is designed around the unique goals and concerns of the client. With bilingual Spanish-speaking office support, the firm ensures seamless communication across diverse Sonoma County communities. Individuals who need to find a lawyer with deep familiarity with local family court judges can schedule a free case evaluation to explore their rights and chart a constructive path toward a secure future.


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Location & Access

Primary Address

Located near the historic Cherry Street District, just northeast of Downtown Santa Rosa.

Building Location

This is a modern, two-story professional retail and office building built with extensive glass windows. It is located on a prominent street corner, directly across from the First Church of Christ Scientist.

Parking Details

A dedicated on-site surface parking lot is situated at the rear of the property, providing free, convenient spaces for visitors and clients.

Public Transit

Served by Santa Rosa CityBus Route 1 (Mendocino Ave); nearest stop is at Mendocino Ave & College Ave.

Accessibility / Suite Access

Enter the building through the main entrance on College Avenue. Take the elevator or take the stairs to the second floor to reach the office in Suite 200.

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