Fallahi Zaher, Attorney At Law, CPA
“Zaher has a strong reputation in his field - International Tax and Undisclosed Foreign Bank Accounts - and is a good person, in general.”
Best CPAs in Costa Mesa, CA
15 firms listed · 13 in Costa Mesa · 1 open weekends · 11 rated 4.5+ · 1 shows a license
Data verified October 21, 2026
Rizvi & Rizvi Cpas
“The icing on the cake is they are family owned, trustworthy, and a pleasure to work with.”
Nguyen & Company, CPA
“As a first time business owner, they set up everything that is needed with Quickbooks and payroll and answer any questions I had.”
Weyer Crellin & Custer
“All of them are very knowledgeable and easy to work with.”
Vertical Advisors
“I have worked with Vertical Advisors for over 10 years for my business and personal accounting and advisory expertise.”
Goodrich, Thomas, Cannon & Reeds
The 15 firms listed for Costa Mesa, CA are accounting practices that serve businesses and organizations. What each states about its CPA license and assurance work comes from its own website; ratings and quotes come from public reviews.
Area overview: Costa Mesa, CA
13 of the 15 firms we list are based in Costa Mesa; the other 2 serve Costa Mesa from Santa Ana (5 mi) and Huntington Beach (6 mi). 14 of the firms on this page have a rating, from 4.0 to 5.0 across 246 reviews; 2 have 50 or more reviews and 11 are rated 4.5 or higher. 1 is open on Saturdays. The services the firms on this page list most often on their websites are tax services (3), business services (2), quickbooks services (2) and tax preparation (2). 1 shows a license on its website and 1 has a BBB rating of A or A+. Domain records put 12 websites of the firms on this page at ten or more years old; the oldest dates from 2003. 1 offers payment plans; 5 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 14 of the firms on this page; 14 publish a contact page; 8 list a public email and 1 takes bookings online. 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 accounting practices outside Costa Mesa shown here?
The firms holding an address in Costa Mesa number 13 of the 15 here. The rest come from other towns within 10 mi. Assurance work spans a region comfortably, so sector experience usually outweighs the drive. Distances are straight-line.
Clear Choice Tax Solutions
Prizer & Flores Cpas & Business Advisors
“Their team is responsive, professional and efficient, all while providing a personal touch.”
Kruse Mennillo
David A. Vasquez, CPA
“He's very easy to work with, very knowledgeable in his field, and gets our forms and paperwork back in a timely manner.”
Olmsted & Associates Accountancy Corporation
“They are excellent and extremely professional.”
OC Probate & Trust Services
Alfred M Clancy CPA
Tax Law Advocates - Tax Relief Company
“I had a very large and complex situation with the IRS and Tax Law Associated did a fantastic job of both negotiating and resolving the issue, all while shielding me from a very aggressive Revenue Officer at the IRS.”
Book onlineBook
EA Tax Resolutions
“Anthony has provided sound guidance, strong suggestions and was able to pull together my two S-Corps, two LL Cs, DBA and our joint return in a timely manner (first time we've filed on-time in years!”
Why these companies made our list
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