Taxwave
“This place is amazing they help you get down to the T of what needs to be done and gelps you everyway”
Best Tax Preparation Services in Costa Mesa, CA
24 companies listed · all 24 in Costa Mesa · 5 open weekends · 16 rated 4.5+ · 1 shows a license
Data verified October 18, 2026
Fallahi Zaher, Attorney At Law, CPA
“Fallahi's expertise was critical in helping me navigate my complex tax matter, and helping me resolve it successfully.”
Bere
“They ensured that every deduction and credit I was eligible for was included in my filing, which resulted in a much larger refund than I anticipated.”
Rizvi & Rizvi Cpas
“He brings a creative approach to tax strategy and is an amazing resource for anyone.”
Levy Accounting
“Levi accounting delivered my company a superb service, helping me navigate complex tax challenges.”
Nguyen & Company, CPA
“Nguyen and Co has been a great partner in providing resources and partners to meet our growing needs, especially during COVID-19 they helped navigate the PPP Loan process and provided business consulting.”
The 24 companies listed for Costa Mesa, CA prepare and file tax returns for individuals and small businesses. What each says about its services and credentials comes from its own website; ratings and quotes come from public reviews.
Area overview: Costa Mesa, CA
All 24 companies we list here are in Costa Mesa itself. We have 26 companies in Costa Mesa on file; this page shows the highest-rated 24. 19 of the companies on this page have a rating, from 4.2 to 5.0 across 228 reviews; 16 are rated 4.5 or higher. When clients rate these companies on specific qualities, they most often praise professionalism (86%), responsiveness (76%) and quality (67%). 4 are open on Saturdays and 1 on Sundays. The services the companies on this page list most often on their websites are tax preparation (4), tax services (3), business consulting (2), business services (2) and irs payment plans (2). 1 shows a license on its website and 2 have a BBB rating of A or A+. Domain records put 15 websites of the companies on this page at ten or more years old; the oldest dates from 1999. 2 offer payment plans; 7 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 23 of the companies on this page; 20 publish a contact page; 18 list a public email and 4 take bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book a consultation.
Are any tax preparers listed for Costa Mesa open on Saturdays or Sundays?
5 of the 24 companies list weekend hours. Extended and weekend opening is common through the filing season and disappears afterward, so the hours shown here may not match what you find in the quiet part of the year. Call before you travel.
Juan J. Lopez
“Great service and he will make sure you get you as much as he can back in taxes.”
Sunset Tax Services
“Just went for the first time and Tim was very helpful, affordable and amazing guy”
National Tax Network
“Without sharing my personal details of my case, National Tax Network helped me from start to finish on my case.”
Weyer Crellin & Custer
“All of them are very knowledgeable and easy to work with.”
Kempton Accountancy
“He's helped me tremendously in building a tax plan in a particularly complicated professional year and I hope to keep working with him for years to come.”
Vertical Advisors
“Without a doubt, Peter Degregori & the staff there at Vertical Advisors are the most knowledgeable, helpful & professional CPA's that I have worked with.”
Goodrich, Thomas, Cannon & Reeds
Izumi & Co. Accountancy Corporation
“I have worked internationally at both Japanese and American companies and Izumi-san is an expert at filing in both territories.”
Clear Choice Tax Solutions
Green Squares Tax
“Van Drimlen seems very knowledgeable regarding tax preparation as a former tax instructor for the largest tax company in the U.”
Prizer & Flores Cpas & Business Advisors
“We have used Prizer & Flores for years for both personal and business taxes.”
MKD Business Services
“She's been doing my taxes for over 10 years and always takes care of me!”
Cicchetti's Tax Services
“I have found him ethical, informative and current regarding the tax laws in California; but most of all approachable and willing to communicate directly to the taxpayer about the current laws in California.”
Coast Accountancy Corporation
Michael A Darany, CFP , EA
Justance
KP Tax Group
O C Bookkeeping Services
Why these companies made our list
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