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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 representing clients in San Mateo and Santa Clara Counties. She is admitted to practice law before all courts in the State of California.

*The State Bar of California Board of Legal Specialization.

Ms. Madigan was named a “Rising Star” in family law by Super Lawyers on the basis of peer recognition and professional achievement for years 2012-2015. In 2014, Ms. Madigan was named as one of the Top 10 Family Law Attorneys under 40 in Northern California by the National Academy of Family Law Attorneys (NAFLA). In 2014, she was named as one of the Top 100 Lawyers by The National Advocates.

In 2015, she served as the Chair of the San Mateo County Bar Association, Family Law Section.


Ms. Madigan has practiced family law exclusively since 2006. She handles both litigated and mediated family law matters. She also handles collaborative cases. 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. She has completed mediation training with the Northern California Mediation Center and frequently works as a consulting attorney for individuals who have elected to mediate their divorce with a neutral.

She takes a strategic approach to her cases and collaborates with other professionals, including forensic accountants, mental health professionals, and real estate valuation professionals, when appropriate.

Prior to founding Madigan & Lewis, LLP in 2015 with her partner, Victoria Lewis, she co-founded the family law firm, Seeley & Madigan, LLP, in 2009 with her former partner, Yvonne Seeley. From 2006-2008, Ms. Madigan worked as an associate with Hersh Family Law, a firm that specializes in complex and high-asset dissolution cases.

In 2001, Ms. Madigan began her legal career 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 is an active member of the San Mateo family law legal community.  In 2015, she served as the Chair of the San Mateo Bar Association Family Law Section.  In 2016, she will be serving as the co-chair of the San Mateo County Collaborative Practice Group (“CPSMC”) and is a member of the following professional organizations:

• San Mateo County Bar Association (Family Law Section)
• 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 A. Madigan
Rated by Super Lawyers

Kimberly A. Madigan
Rated by Super Lawyers


Kimberly Madigan ACFLS 2020 Member Badge

Collaborative Divorce California

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