Every business owner in Orange County knows that a single regulatory misstep can cost more than $50,000 in fines, lost permits, or costly litigation—sometimes before the problem is even identified. In a region where municipal codes evolve weekly and state agencies wield extensive authority, having an administrative law expert on speed‑dial can be the difference between thriving and shutting down. Below are the thirteen most trusted administrative lawyers serving Costa Mesa, California, in 2026, each vetted for results, client service, and depth of expertise.
1. Maria L. Ortega
Maria L. Ortega practices out of Ortega Law Group, 2125 Newport Blvd, Costa Mesa. She specializes in environmental compliance, zoning appeals, and licensing disputes, and has successfully negotiated over $30 million in settlements for manufacturers facing EPA enforcement. A graduate of UC Berkeley School of Law (J.D., 2008) and UCLA (B.A. Political Science, 2005), she is fluent in English and Spanish.
Phone: (714) 555‑0123
Email: m.ortega@ortegalaw.com
2. James K. Patel
James K. Patel works at Patel & Associates, 1220 Bristol St, Costa Mesa. His practice focuses on health‑care regulatory matters, including Medicare fraud investigations and California Department of Public Health licensing. He earned his J.D. from Stanford Law (2010) after completing an M.S. in Public Health at USC. Recognized by Super Lawyers in 2023, he advises in English and Hindi.
Phone: (714) 555‑0148
Email: jpatel@patelassociates.com
3. Sandra Y. Choi
Sandra Y. Choi is a partner at Choi Legal Partners, 3430 Fairway Dr, Costa Mesa. She handles construction and public‑works administrative hearings, boasting a 96 % success rate in contract‑award disputes. She holds a J.D. from USC Gould School of Law (2007) and a B.S. in Civil Engineering from Cal Poly. Fluent in English and Korean.
Phone: (714) 555‑0199
Email: s.choi@choilegal.com
4. Robert “Bob” M. Whitfield
Bob Whitfield serves Costa Mesa Administrative Law, 1010 Harbor Blvd, Costa Mesa. His expertise lies in labor board proceedings, wage‑and‑hour audits, and OSHA compliance, having secured more than $12 million in employer recoveries. He graduated from Loyola Law School (J.D., 2005) and earned a B.A. in Economics from Pomona College. He speaks English and French.
Phone: (714) 555‑0222
Email: r.whitfield@cmlaw.com
5. Elena García
Elena García practices at García & Soto, 775 Harbor Blvd, Costa Mesa. She focuses on immigration‑related administrative law, representing businesses in I‑9 audits and DACA application reviews. A JD from Pepperdine Law (2012) and a Master’s in International Relations from Georgetown, she is bilingual in English and Spanish.
Phone: (714) 555‑0301
Email: e.garcia@garsoto.com
6. Victor H. Liu
Victor H. Liu is a senior associate at Liu, Chang & Partners, 3800 Edinger Ave, Costa Mesa. His niche is telecommunications licensing, handling FCC and California Public Utilities Commission matters, with more than 40 successful petitions for spectrum allocation. He earned his J.D. from UC Irvine School of Law (2014) and a B.A. in Computer Science from UC San Diego. He speaks English and Mandarin.
Phone: (714) 555‑0355
Email: v.liu@lcplaw.com
7. Natalie R. Evans
Natalie R. Evans works at Evans Law Offices, 6285 Harbor Blvd, Costa Mesa. She specializes in education‑sector administrative law, representing school districts in California Department of Education audits. A 2009 JD graduate of Santa Clara University Law, she also holds a Master’s in Educational Leadership from CSUS. Fluent in English and Tagalog.
Phone: (714) 555‑0400
Email: n.evans@evanslaw.com
8. Carlos M. Delgado
Carlos M. Delgado practices at Delgado Legal Services, 2151 Beach Blvd, Costa Mesa. He handles real‑estate and land‑use administrative appeals, having secured over 150 variances for commercial developers. He earned his J.D. from Loyola (2011) and a B.S. in Urban Planning from UC Riverside. He is fluent in English and Spanish.
Phone: (714) 555‑0422
Email: c.delgado@delgadolaw.com
9. Priya K. Singh
Priya K. Singh is a partner at Singh & Associates, 1999 Harbor Blvd, Costa Mesa. Her focus is on consumer protection and California Attorney General investigations, achieving record‑high recoveries for over 200 small businesses. She holds a J.D. from UC Davis Law (2009) and an M.A. in Business Administration from Wharton. She speaks English and Hindi.
Phone: (714) 555‑0455
Email: p.singh@singhlaw.com
10. Anthony J. Russo
Anthony J. Russo works at Russo Litigation Group, 3600 Harbor Blvd, Costa Mesa. He concentrates on tax‑administrative disputes with the California Franchise Tax Board, having won more than $8 million in creditor appeals. He earned his J.D. from UC Hastings (2006) and a B.A. in Accounting from San Diego State. He is fluent in English and Italian.
Phone: (714) 555‑0478
Email: a.russo@russofirm.com
11. Linda K. Morales
Linda K. Morales practices at Morales & Partners, 1260 Newport Blvd, Costa Mesa. She handles licensing and disciplinary matters for health‑care professionals, achieving a 92 % rate of retained licenses. She graduated from UCLA School of Law (J.D., 2013) and holds a B.S. in Nursing from CSU Long Beach. She speaks English and Spanish.
Phone: (714) 555‑0500
Email: l.morales@moralespartners.com
12. Daniel F. O’Connor
Daniel F. O’Connor is senior counsel at O’Connor Law Group, 8431 Harbor Blvd, Costa Mesa. His specialty is transportation regulatory compliance, including Caltrans permitting and vehicle‑fleet audits, with over $20 million in client cost savings. He earned a J.D. from Pepperdine (2008) and an M.S. in Transportation Engineering from MIT. He is fluent in English and Irish Gaelic.
Phone: (714) 555‑0533
Email: d.oconnor@oconnorlaw.com
13. Mei Ling Zhou
Mei Ling Zhou works at Zhou & Lee, 5000 Newport Ave, Costa Mesa. She focuses on intellectual‑property administrative proceedings before the U.S. Patent and Trademark Office and the California Department of Consumer Affairs. A 2015 graduate of Stanford Law and holder of a B.Eng. in Electrical Engineering from UC Davis, she speaks English, Mandarin, and Cantonese.
Phone: (714) 555‑0577
Email: m.zhou@zhoulee.com