Sometimes marriages fail. we do not.

Results That Matter.

This field is for validation purposes and should be left unchanged.

Kaspar & Lugay, LLP




Office Locations



The firm comprises four lawyers, the two partners each gained valuable experience with some of the largest international law firms in the world. Partners Brent Kaspar and Arvin Lugay joined forces to provide the high-quality legal representation of a big firm, with the agility and client-centered focus that only a small firm can provide.

Leveraging Our Multidisciplinary Practice Areas To Benefit Family Law Clients

Partner Brent Kaspar is a certified public accountant. His command of the law and financial acuity are invaluable for our clients in high-stakes legal matters in all of the areas of practice we serve.

Partner Arvin Lugay is a trial-proven attorney with experience in complex, high-stakes business and commercial litigation. He is a proven trial and appellate lawyer.

Our practice areas complement each other to the benefit of you, our client:



We do

We leverage our business acumen and tax law knowledge to guide clients in high net worth property division disputes in our family law practice.

Our deep understanding of tax law is invaluable for our family law clients, as well as those involved in tax controversies and business-related matters.

We can analyze and provide knowledgeable guidance concerning the most efficient transaction in a merger and acquisition.

Our lawyers are problem solvers. The experience and unique skill sets of our attorneys are advantageous for our clients in each of our chosen practice areas.

Please follow the links below to view each attorney’s biography.




Brent Kaspar Family Law Attorney at Kaspar & Lugay

Brent Karl Kaspar​

Founder, Managing Partner

View Bio

Arvin Cero Lugay Family Law Attorney at Kaspar & Lugay

Arvin Cero Lugay

Partner, Founder

View Bio

Robert Sullivan Headshot

Robert Sullivan

Senior Associate

View Bio

Ramon Montijo Jr. Family Law Attorney at Kaspar & Lugay

Ramon Montijo, Jr.

Senior Associate

View Bio

Christina Gregson Family Law Attorney at Kaspar & Lugay

Christine Gregson

Associate Attorney

View Bio

Susanna Tuan

Of Counsel

View Bio

Dana Rueckert

Managing Counsel/Family Law Attorney – San Diego

View Bio

When you need a team you can trust. When all else is failing. Call Kaspar & Lugay, LLP. We will help you get your life back on track.

Over 35 years of experience

Whatever your reasons, let us fight for you. We will get you what you deserve.

Contact us, it will be the first time in years you've been this satisfied.

Talk to our team. We promise, this is a decision you will not regret.

This field is for validation purposes and should be left unchanged.

Get Your Discreet Consultation Now

Whether you’re reaching your breaking point or needing to modify a pre-existing judgment or agreement, your team at Kaspar & Lugay is ready to help you explore your options and develop a winning strategy .


We provide families with effective solutions and staunch legal advocacy throughout the separation and divorce process.

Property Division

Our attorneys draw on our experience in high-stakes litigation and our finance and tax backgrounds to obtain the most favorable property division settlement or judgment possible.

Pre & Post Divorce Support

We have the experience to represent clients in all aspects of post-divorce modification and enforcement matters. Annulments, Pre-nups, Post-nups, and more.

Child custody & visitation

A child’s best interests must remain at the forefront in any custody and support dispute. We tenaciously protect the rights of our clients and their children in child custody and visitation matters as well as child support proceedings.

Spousal Support

We understand the many nuances of California law related to spousal support and alimony and we will diligently pursue a fair permanent award through the discovery process and trial when necessary.

We only practice family law.

Trust the team that does this all day, every day.


770 Tamalpais Drive, Suite 200

Corte Madera, CA 94925

Open 9 – 7 PM  M – F



1606 Main Street, Suite 207

Napa, CA 94559

Open 9 – 7 PM  M – F


Walnut Creek

1990 N California Blvd. 8th floor

Walnut Creek, CA 94596

Open 9 – 7 PM  M – F


Santa Barbara

827 State Street, Suite 1

Southern California 93101

Open 9 – 7 PM  M – F


Contact Us

Submitting information through this site does not imply an attorney-client relationship.

99% Client Satisfaction

Are You Ready For The Next Step?

This field is for validation purposes and should be left unchanged.

Fields marked with an * are required

Kaspar & Lugay, LLP is a family law firm with offices in Corte Madera, CA; Napa, CA; Walnut Creek, CA; and San Diego, CA. We also represent clients in San Francisco, Oakland, Sacramento, Pismo Beach, Contra Costa County, and Los Angeles.