Top CPAs in Fontana, CA

Finding the right CPA in Fontana, California can make a real difference for your business or personal finances. Whether you’re a small business owner navigating California’s tax requirements, a startup founder managing equity and growth expenses, or an individual with complex investments, a local CPA who understands the Fontana market is a significant asset.

We reviewed dozens of CPA firms operating in Fontana, CA, weighing Google ratings, verified client reviews, professional credentials, and areas of specialization. The six firms below represent the strongest options across a range of client needs and neighborhoods.

Best 6 CPAs in Fontana, CA

#1
Altadena, CA Accounting Firm

★★★★★
5.0
(1 reviews)

📍 7940 Cherry Ave STE 201, Fontana, CA 92336

📞 (626) 482-3478

Accounting

#2
A&C TAX AND BUSINESS SERVICES

★★★★★
5.0
(52 reviews)

📍 13677 Foothill Blvd suite P, Fontana, CA 92335

📞 (909) 330-2018

Accounting
Tax Prep
Bookkeeping
Payroll

#3
Enrolled Financial Services

★★★★★
5.0
(19 reviews)

📍 8550 Sierra Ave., Fontana, CA 92335

📞 (909) 688-6996

Accounting

#4
Khamas Tax & Accounting Services

★★★★★
5.0
(47 reviews)

📞 (909) 706-9436

CPA

#5
Luis Castillo, CPA

★★★★★
5.0
(1 reviews)

📍 8456 Sierra Ave., Fontana, CA 92335

📞 (909) 997-3081

Accounting

#6
Tafoyas Income Tax

★★★★★
4.8
(115 reviews)

📍 15722 Merrill Ave, Fontana, CA 92335

📞 (909) 728-9026

Tax Prep

How We Selected the Best CPAs in Fontana

Our selection process is based on publicly available data and client feedback — not paid placements or advertising arrangements. Every firm on this list earned its spot.

  • Google Rating & Review Volume — We prioritized firms with consistently high ratings and a meaningful number of verified client reviews.
  • Active California CPA License — We verified that firms hold or employ CPAs with current licenses issued by the California Board of Accountancy.
  • Demonstrated Specialization — We favored firms with clear expertise in areas like small business tax, real estate, nonprofits, or high-net-worth individuals.
  • Local Presence — We weighted firms with an established physical presence in Fontana over virtual-only providers.
  • Responsive Communication — We weighted firms with accessible contact information and responsive client service based on review patterns.

Frequently Asked Questions

Common questions about hiring a CPA in Fontana, CA

How much does a CPA cost in Fontana?

CPA fees in Fontana vary depending on service type and firm size. Individual tax return preparation typically runs $300–$800, while small business accounting packages range from $500–$2,500 per month. Complex services like estate planning, audit representation, or CFO advisory can run significantly higher. Always request a written engagement letter with a clear fee schedule before committing.

What’s the difference between a CPA and a regular accountant in California?

In California, a CPA (Certified Public Accountant) has passed the Uniform CPA Examination, met education and experience requirements, and holds an active license from the California Board of Accountancy. A general accountant has no such licensure requirement. CPAs can represent you before the IRS, provide audit opinions, and sign off on financial statements — services that unlicensed accountants cannot legally offer.

When should I hire a CPA instead of doing my own taxes in Fontana?

Consider hiring a Fontana CPA if you own a business, are self-employed, have multiple income streams, own rental property, went through a major life event (divorce, inheritance, sale of a business), or owe back taxes. A CPA typically pays for themselves through deductions and tax strategies that software misses — and provides peace of mind that your filing is defensible if audited.

What should I ask a CPA before hiring them in Fontana, CA?

Before hiring a CPA in Fontana, CA, ask: Do you have experience with clients in my industry? Who will actually handle my account — you or a junior staff member? How do you charge (hourly, flat fee, or retainer)? How do you prefer to communicate and what’s your typical response time? Have you handled IRS audits or tax disputes? A good CPA will answer these questions readily and without hesitation.

Can a CPA in Fontana help with both business and personal taxes?

Yes — many CPAs in Fontana offer bundled services covering both your business entity (LLC, S-Corp, partnership) and your personal return. This is especially valuable for small business owners, since your business and personal tax situations are deeply intertwined. Having one CPA handle both reduces errors, eliminates coordination gaps, and often results in better overall tax planning.