10 Tax Professional Costa Mesa Orange County Picks Near You
Finding the right tax professional Costa Mesa Orange County residents can trust isn't always straightforward. Between CPAs, enrolled agents, and tax prep services, the options stack up fast, and not all of them are the right fit for your specific situation. Whether you're filing as an individual, running a small business, or dealing with something more complex like back taxes or non-resident returns, who you hire matters.
We put together this list to help you cut through the noise. As a CTEC-certified and IRS-registered tax preparation service based right here in the Orange County area, we at TaxesToday know what quality tax work looks like, and we know the local market well. That perspective shaped every pick on this list, including our own spot on it. Full transparency: we believe we've earned a place here, and we'll let you decide for yourself.
Below, you'll find 10 tax professionals and firms worth considering in and around Costa Mesa. Each one brings something different to the table, from individual returns to business filings to specialized services for freelancers and international filers. Let's get into it.
1. TaxesToday
TaxesToday is a CTEC-certified and IRS-registered tax preparation service with over 15 years of experience helping individuals, families, freelancers, and small business owners get their taxes done right. Based in Orange County, TaxesToday handles everything from straightforward W-2 returns to complex filings that most local preparers turn away.

Services and specialties
TaxesToday covers a wide range of tax situations under one roof. Individual and family returns, self-employed and 1099 filers, Schedule C, LLC, and S-Corp filings all fall within scope. Beyond standard filings, TaxesToday specializes in amended returns (Form 1040-X), back tax filing, non-resident and foreign student returns (1040NR, Form 8843), and tax extension preparation. If you've received an IRS notice or need a second opinion on a return you already filed, that's covered too.
If you're searching for a tax professional Costa Mesa Orange County locals can rely on for complex or specialized filings, TaxesToday is built exactly for that.
Who it fits best
TaxesToday works well for W-2 employees who want accuracy without overpaying, but it's especially strong for freelancers, independent contractors, and small business owners with more involved tax situations. Non-US residents, F-1 and J-1 visa holders, and OPT/CPT students also find TaxesToday to be one of the few local services with real expertise in international and non-resident tax filings.
How the process works
You can work with TaxesToday either virtually or in person, depending on what works for you. The virtual option lets you upload your documents securely and communicate remotely, while the in-person option is available for clients who prefer a face-to-face meeting. Either way, a licensed professional reviews your situation directly rather than handing it off to an automated system.
Pricing and what affects cost
Services start at $99, making TaxesToday one of the more affordable professional options in the area. Your final cost depends on the complexity of your return. Additional schedules, business income, amended returns, and back tax filings can each affect the total, so it's worth asking upfront what your situation will require.
What to prepare before you start
Before you reach out, gather your W-2s, 1099s, Social Security number, and any relevant expense records if you're self-employed. For business filers, bring your profit and loss summary for the year. If you have prior-year returns or IRS correspondence, have those ready too, since they help the preparer spot issues and opportunities faster.
Meet in Person with a Trusted IRS & CTEC Registered Tax Professional in Costa Mesa, California
Flexible appointment locations available throughout Costa Mesa, California.
- Starbucks: 250 Bristol St, Costa Mesa, CA 92626
- Starbucks: 2300 Harbor Blvd, Costa Mesa, CA 92626
- Starbucks: 901 S Coast Dr, Costa Mesa, CA 92626
2. Donna L. Stern CPA
Donna L. Stern CPA is a licensed Certified Public Accountant serving clients in Costa Mesa and the broader Orange County area. With a focus on personalized service and technical accuracy, her practice handles tax work for individuals and small businesses who want a credentialed professional managing their return directly.
Services and specialties
Donna L. Stern CPA provides individual income tax preparation, small business tax filing, and accounting services. Her credentials as a licensed CPA make her a strong option for clients who need someone with formal accounting training to handle more financially complex returns, including those with investment income, rental properties, or business ownership.
Who it fits best
This practice works best for individuals and small business owners who prefer working directly with a CPA rather than a franchise chain or a large regional firm. If your tax situation involves business financials, rental income, or investment activity, a credentialed CPA brings added authority and depth to the filing process.
If you're searching for a tax professional Costa Mesa Orange County residents have trusted for personalized CPA-level service, Donna L. Stern is worth a direct call.
How the process works
You can expect a one-on-one working relationship with Donna herself rather than being handed off to junior staff. Her process typically involves an initial consultation to assess your situation, followed by document review and return preparation based on your specific filing needs.
Pricing and what affects cost
Pricing is not published publicly. CPA rates in Orange County typically run higher than basic prep services, and your final cost depends on the complexity of your return and the scope of services involved.
What to prepare before you start
Bring your prior-year tax return, all income documents including W-2s and 1099s, and any records tied to deductions, investments, or business expenses before your first appointment.
3. Goodrich, Thomas, Cannon & Reeds, LLP
Goodrich, Thomas, Cannon & Reeds, LLP is an established accounting firm based in Costa Mesa that serves individual and business clients throughout Orange County. The firm operates as a full-service CPA partnership, bringing multiple credentialed professionals under one roof rather than relying on a single practitioner.
Services and specialties
Goodrich, Thomas, Cannon & Reeds handles tax preparation, accounting, and business consulting for a wide range of client types. Their team has experience with corporate and partnership returns, individual filing, and financial statement preparation, making them a strong option for clients with more layered financial needs.
Who it fits best
This firm suits established businesses, partnerships, and corporations that need ongoing accounting support alongside annual tax work. If you're a business owner looking for a tax professional Costa Mesa Orange County clients can rely on for both compliance and longer-term planning, a multi-partner CPA firm offers depth that solo practitioners typically can't match.
A multi-partner firm becomes especially valuable when your business grows and your tax needs become more complex from year to year.
How the process works
You'll work with a team of licensed CPAs who coordinate across your return. Expect an intake process that covers your financial history, entity structure, and filing requirements before any work begins.
Pricing and what affects cost
Rates are not listed publicly. CPA firm pricing in Orange County typically reflects the complexity of the engagement and the credentials of the professionals involved, so contact the firm directly for an estimate.
What to prepare before you start
Gather your prior-year returns, income statements, and any business financial records before your first meeting. Having organized documentation ready helps the team assess your situation faster and avoids unnecessary delays.
4. Lopez Tax Service
Lopez Tax Service is a locally operated tax preparation firm serving Costa Mesa and the surrounding Orange County communities. The practice focuses on affordable, accessible service for everyday filers who want professional help without the overhead of a large accounting firm.
Services and specialties
Lopez Tax Service handles individual tax returns, family filings, and self-employed income for clients across the area. Their work covers standard W-2 situations as well as returns with 1099 income and basic business activity, making them a practical choice for filers with moderate complexity.
Who it fits best
This service suits individuals and families looking for a community-based preparer who knows the local client base well. If you want a neighborhood tax professional Costa Mesa Orange County filers can walk in and talk to directly, Lopez Tax Service fits that profile.
Local, independent tax offices often provide more flexibility and direct communication than national chains.
How the process works
You can typically schedule an appointment or walk in during tax season. A preparer reviews your documents, works through your return with you, and handles e-filing once everything checks out.
Pricing and what affects cost
Pricing information is not publicly listed. Rates at independent local preparers generally reflect return complexity, so a simple W-2 return will cost less than one with multiple income sources or deductions.
What to prepare before you start
Bring your W-2s, 1099s, and Social Security number at minimum. If you have prior-year returns or receipts for deductions, those will help your preparer move through the process faster and more accurately.
5. Liberty Tax Costa Mesa
Liberty Tax Costa Mesa is part of a nationwide franchise network that has operated for decades across the United States. The Costa Mesa location brings that broader infrastructure to a local setting, offering professional tax preparation during tax season with the backing of a recognized national brand.
Services and specialties
Liberty Tax handles individual and family tax returns, including W-2 filers, basic self-employment income, and standard deductions. The franchise model means your preparer follows a consistent, structured process developed at the national level, which works well for routine filings that don't require deep specialty knowledge.
Who it fits best
Liberty Tax suits individuals with straightforward tax situations who want an in-person experience at a recognizable location. If you're a first-time filer or have a simple W-2 return, this is a reasonable option. For those searching for a tax professional Costa Mesa Orange County residents can walk in and use quickly, Liberty Tax fits that need during peak filing season.
National franchise locations are often more readily available during tax season, but availability can drop sharply after April 15.
How the process works
You can schedule an appointment online or walk in during operating hours. A preparer reviews your documents, completes your return, and submits it electronically once you approve everything.
Pricing and what affects cost
Liberty Tax uses a tiered pricing structure based on the forms required for your return. More complex filings with additional schedules cost more than a basic single-income return.
What to prepare before you start
Bring your W-2s, 1099s, and a valid photo ID. Having your prior-year return available can also help your preparer catch any carryover items or deductions you might otherwise miss.
6. H&R Block Costa Mesa
H&R Block Costa Mesa is part of one of the largest and most recognized tax preparation brands in the country. The Costa Mesa location offers year-round access to professional tax help, which sets it apart from seasonal-only franchise offices that close up after April.
Services and specialties
H&R Block handles individual returns, family filings, self-employed income, and small business taxes. The national network also offers audit support and IRS representation services, which gives clients a layer of backup if something comes up after filing. For anyone researching a tax professional Costa Mesa Orange County option they already recognize by name, H&R Block delivers a structured, documented process.
Who it fits best
This location works best for W-2 employees and households with standard deductions who want in-person help from a recognizable brand. It also suits filers who have used H&R Block in another city and want to continue with a consistent experience.
Year-round availability makes H&R Block more accessible than strictly seasonal offices if you need help outside of tax season.
How the process works
You can book an appointment online or walk in during operating hours. A tax professional reviews your documents, prepares your return, and walks you through the numbers before submitting electronically on your behalf.
Pricing and what affects cost
H&R Block uses form-based pricing, so your cost increases with each additional schedule or complexity added to your return. Simple returns cost less, while business schedules and itemized deductions push the total higher.
What to prepare before you start
Bring your W-2s, 1099s, prior-year return, and a valid photo ID. Any records supporting deductions or credits will help your preparer complete your return accurately the first time.
7. CBIZ Costa Mesa
CBIZ is a national professional services firm with a Costa Mesa office that serves mid-size and larger businesses across Orange County. Unlike smaller local preparers, CBIZ operates at scale, combining tax, accounting, and advisory services under one organization, which suits clients with more sophisticated financial needs.
Services and specialties
CBIZ handles business tax compliance, individual high-net-worth returns, audit support, and financial consulting. Their Orange County team works with companies that require ongoing strategic input in addition to annual filing, making them a broader option than a standalone tax prep service. For anyone looking for a tax professional Costa Mesa Orange County businesses trust for enterprise-level work, CBIZ carries that kind of capacity.
Who it fits best
CBIZ fits mid-size businesses, partnerships, and high-net-worth individuals whose tax situations extend beyond standard preparation into year-round planning and compliance. If your needs include financial consulting alongside tax work, this firm is worth evaluating.
CBIZ is better suited for ongoing business engagements than one-time individual filings.
How the process works
You typically start with a scoping conversation where the team assesses your filing needs and assigns the right professionals. From there, your account moves through a structured review and preparation process with multiple team members involved depending on the complexity.
Pricing and what affects cost
CBIZ does not publish standard pricing. Rates reflect the scope of the engagement, and larger or more complex accounts will cost significantly more than what a local independent preparer charges.
What to prepare before you start
Gather your prior-year returns, financial statements, and any IRS correspondence before your first meeting. Business clients should also have entity structure documentation and ownership records ready from the start.
8. TurboTax Verified Pro Elijah Harris
TurboTax Verified Pros are independent tax professionals who operate through the TurboTax Live platform after passing a vetting process. Elijah Harris is one such pro serving clients in Orange County, combining the convenience of a digital platform with hands-on professional review.

Services and specialties
Elijah Harris handles individual tax returns, W-2 filings, and self-employed income through the TurboTax Live interface. His scope covers the filing situations most commonly found on the platform, making him a solid choice for anyone who already trusts the TurboTax ecosystem but wants a real professional reviewing their return before submission.
Who it fits best
This option suits tech-comfortable filers who prefer to work entirely online and want a verified professional in their corner without leaving the TurboTax platform. If you're looking for a tax professional Costa Mesa Orange County filers can access remotely through a familiar interface, Elijah Harris fills that role.
TurboTax Verified Pros work within the platform's structure, which means your experience is shaped largely by how TurboTax operates rather than how the individual pro operates independently.
How the process works
You connect with Elijah Harris directly through TurboTax Live, where he reviews your return, answers questions, and signs off before filing. The entire process happens inside the TurboTax interface with no separate appointment or office visit required.
Pricing and what affects cost
Pricing follows TurboTax's standard tier structure, which varies based on the complexity of your return and the level of service you select within the platform.
What to prepare before you start
Have your W-2s, 1099s, and any deduction records ready to upload before your session begins so the review moves efficiently.
9. Local directories and marketplaces
Beyond individual firms, local directories and online marketplaces can help you find a tax professional Costa Mesa Orange County filers haven't come across yet. These platforms pull together listings from multiple providers, giving you more options to compare before you commit to anyone.
Yelp tax services in Costa Mesa
Yelp's Costa Mesa tax services category aggregates reviews from real clients across dozens of local preparers. You can filter by rating, distance, and price range, which makes it a practical first stop when you want a honest read on how a practice actually treats its clients before you call.
OrangeCountyTaxPros.com Costa Mesa directory
OrangeCountyTaxPros.com lists local tax preparers by city, including professionals who serve the Costa Mesa area. The directory includes credentials, specialties, and contact details so you can narrow your options without spending an afternoon searching blind. Use it as a starting point, not a final word.
How to vet a listing before you call
Before you contact anyone from a directory, verify their credentials and licensing status independently. The IRS maintains a public search tool for enrolled agents, and CTEC publishes a list of all active California-registered tax preparers on its official site. That check takes under two minutes and can save you real trouble.

Always confirm credentials before sharing personal financial documents with any preparer you find through a directory listing.
Red flags to avoid
Watch out for preparers who guarantee a specific refund amount before reviewing your documents, or who set their fee as a percentage of your refund. Both are warning signs the IRS specifically flags as problematic. Also avoid anyone who refuses to sign your completed return or won't provide you a copy once filing is done.

Next steps
You now have a solid set of options to work with. Every firm and preparer on this list handles taxes differently, and the right fit depends on your specific filing situation, your budget, and how much complexity you're bringing to the table. If you're a freelancer, a small business owner, or someone dealing with back taxes or international filing, that narrows the field quickly.
Start by identifying which situations match your own, then reach out to your top two or three picks directly. Ask about credentials, timeline, and what your return will cost before you hand over any documents. A good tax professional answers those questions clearly without hesitation.
If you want a tax professional Costa Mesa Orange County filers can trust for a wide range of situations at a transparent price, start with a professional tax preparation service that's licensed, certified, and built for exactly what you're dealing with.
