Taxwave
“Helpful with having me be understanding and being knowledgeable about the resolution results of what I need to do to get my situation resolved.”
Best Tax Attorneys in Costa Mesa, CA
15 firms listed · 6 in Costa Mesa · 5 open weekends · 10 rated 4.5+
Data verified November 3, 2026
Zaher Fallahi, Attorney At Law, CPA
“He showed patience and respect and handled the matter quickly and professionally.”
National Tax Network
“Without sharing my personal details of my case, National Tax Network helped me from start to finish on my case.”
Clear Choice Tax Solutions
Messner Reeves
Family Office Law
The 15 firms listed for Costa Mesa, CA handle audits, assessments, liens and collection disputes for clients. What each says about the matters it takes on comes from its own website; ratings and quotes come from public reviews.
Area overview: Costa Mesa, CA
6 of the 15 firms we list are based in Costa Mesa; the other 9 serve Costa Mesa from Irvine (8 mi), Newport Beach (4 mi) and Santa Ana (5 mi). 13 of the firms on this page have a rating, from 3.0 to 5.0 across 7,491 reviews; 8 have 50 or more reviews and 10 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "knowledge", "patient" and "trust". 5 are open on Saturdays and 2 on Sundays. The practice areas the firms on this page list most often on their websites are tax preparation (4), estate planning (3), probate (2), tax resolution (2) and tax resolution services (2). 3 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 26 years. 7 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for all 15 of the firms on this page; all 15 publish a contact page and 9 list a public email. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Why are tax dispute firms outside Costa Mesa listed here?
6 of the 15 firms keep an address in Costa Mesa. The rest lie within 10 mi and are shown with the city each works from. Most of this work is conducted by correspondence, so experience with the authority matters more than the address. Distances are straight-line.
Tax Law Advocates
“Every time I called with one of those scary IRS certified letters, she calmed me down and assured me things are good and on track.”
Optima Tax Relief
“Andrew was very helpful and getting us started on our tax relief bill looking forward to working with him.”
Modern Wealth Law
“Tiffany remained highly accessible, responding to my follow-up questions and even offering extra time to review details over the phone to ensure I was 100% clear on everything.”
Law Stein Anderson
“Our experience with Law Stein Anderson was the perfect blend of professionalism and friendliness.”
Safe Tax Services
“Had a pleasure to work with them in past 2 years, so far my experience been amazing.”
Landmark Tax Group
“He left me with a plan of action and helped give me peace of mind over my taxes going forward.”
Meier Law Firm
“Carolina Fernandez took the time to explain every detail clearly, turning a legal process into something simple and easy to understand.”
Tax Law Offices of David W. Klasing
“I scheduled a meeting with him and he walked me through the process of writing to the IRS to eliminate penalties that they said I owed.”
Luis E Vasquez LAW
“Always a great experience, very very professional and of course always so knowledgeable!!”
Why these companies made our list
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