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Kimberly A. Madigan

Kimberly Madigan is a Certified Family Law Specialist* and founding partner of Madigan & Lewis, LLP, a San Mateo family law firm. She is admitted to practice law before all courts in the State of California.

*The State Bar of California Board of Legal Specialization.

This is Ms. Madigan’s 18th year of law practice. Ms. Madigan was selected to Super Lawyers in 2019 and 2020. This is a distinction reserved for the top 5% of attorneys in Northern California. Prior to this, she was named a “Rising Star” in family law by Super Lawyers on the basis of peer recognition and professional achievement for years 2012-2015.

Ms. Madigan currently serves on the Board of Directors for Collaborative Divorce California. In 2020, she was elected by the Board to serve as the President of the Board of Collaborative Practice of California (CP Cal). She previously served as the Chair of the San Mateo County Bar Association, Family Law Section (2015).


Ms. Madigan has been practicing family law exclusively since 2006. Prior to moving to California in 2005, she worked as a civil litigator at Alexander, Holburn, Beaudin, & Lang, LLP in Vancouver, Canada, ranked by Canadian Lawyer magazine as one of the top ten regional firms in Western Canada.

Ms. Madigan litigates complex family law matters both in public court and with private judges. She also practices collaborative law – a private, out-of-court process for resolving divorce cases. Ms. Madigan’s mediation training and extensive experience working on collaborative divorce cases enables her to facilitate cooperation and mutual agreement between her clients and opposing parties. Her practice at Madigan & Lewis, LLP focuses on divorce (including complex property allocation and division), child custody, parentage (paternity), child support and spousal support, and domestic partnerships.

What distinguishes Ms. Madigan is that she is highly skilled at taking a holistic approach to her divorce cases and helping her clients stay focused on their goals without getting overwhelmed by their stress and intense emotions:

Kim Madigan was my attorney during my 15-month, bitter and acrimonious divorce. During such a process, one needs a legal advisor that tells you what you need to hear, not necessarily what you want to hear. She kept my emotions in check and helped me refocus on my original goals during very challenging times. She championed my causes and was a true advocate for me. I hope to never need her services but was glad she was there when I did need them. (Dennis L. from Yelp)

Ms. Madigan is an active member of the San Mateo family law legal community. She regularly volunteers in Department 15 to assist self-represented litigants, many of whom are unable to afford legal representation, with the settlement and completion of their divorce cases. Without volunteers, many self-represented litigants would find themselves lost in the system and unable to complete their divorce cases.

Ms. Madigan is a member of the following professional organizations:

  • San Mateo County Bar Association (Family Law Section)
  • Association of Certified Family Law Specialists
  • San Mateo County Collaborative Practice Group (CPSMC)
  • Association of Family and Conciliation Courts (AFCC)
  • State Bar of California
  • International Academy of Collaborative Professionals (IACP)

Kimberly Madigan Rated by Super Lawyers Selected in 2019

Kimberly Madigan Rated by Super Lawyers Selected in 2020

Kimberly Madigan ACFLS 2020 Member Badge

Collaborative Divorce California

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