42 CPAs in Ontario, CA

Browse cpas in Ontario, California. Compare providers and find contact information.

RT
3200 E Guasti Rd Ste 100 Unit 7, Ontario
RCS Tax Group
CPA · Ontario, California

RCS Tax Group serves the Ontario, California metro area, providing professional accounting, tax preparation, and bookkeeping services to individuals and small businesses. It handles tax return filing for federal and local requirements. The firm also assists clients with financial record management throughout the year. Tax planning and IRS resolution support are additional services offered to address specific compliance and problem-solving needs in this region.

AR
561 W Holt Blvd STE B, Ontario
Aida Real Professional Services
CPA · Ontario, California

Aida Real Professional Services in Ontario, CA, provides a full range of tax preparation, bookkeeping, and financial consulting services for businesses and individuals. It offers year-round accounting maintenance and quarterly planning reviews to help clients stay compliant with regulatory changes. Regular client check-ins are scheduled to address evolving tax needs and financial goals. Its service work extends to single-family homes, apartments, retail, and restaurants.

LS
1739 S Euclid Ave Suite B, Ontario
Latino's Tax Services
CPA · Ontario, California

Latino's Tax Services in Ontario, CA, serves homeowners, local businesses, and independent contractors with tax preparation and bookkeeping needs. The firm handles individual returns, small business filing, and IRS correspondence for clients throughout the area. Its accountants provide guidance on deductions and credits relevant to California tax laws. The company also offers its CPA services to residents and business owners in the neighboring city of Rancho Cucamonga.

EI
610 E Francis St Unit 180, Ontario
Enriquez Income Tax
CPA · Ontario, California

Serving Ontario, California, and the surrounding communities, Enriquez Income Tax handles individual and small business accounting and tax preparation. The firm assists clients with filing federal and state returns while offering bookkeeping support throughout the year. General CPA services performed here include tax planning to minimize liabilities and resolving notices from tax authorities. For each engagement, the company reviews financial documents thoroughly before preparing returns and then files them electronically for faster processing.

MA
4055 E Hamilton Paseo, Ontario
Madero Accountancy Practice, PC
CPA · Ontario, California

Madero Accountancy Practice, PC in Ontario, CA offers both one-time tax filings for individuals with simple returns and recurring bookkeeping solutions for local businesses that need ongoing financial records. Full coverage includes personal and corporate tax preparation, payroll processing, and general accounting support throughout the Inland Empire. Services operate on a flexible basis, with clients able to schedule one-time appointments, set up regular monthly meetings, or request as-needed assistance for specific financial tasks.

XA
337 N Vineyard Ave #230, Ontario
Xel Advisors, CPA
CPA · Ontario, California

Xel Advisors, CPA in Ontario, CA provides tax preparation and planning for individuals and small businesses, along with bookkeeping and financial statement compilation for local clients. The firm assists with general audit support and IRS correspondence. It helps clients manage payroll tax filings and quarterly estimated payments throughout the year. For new business owners, it assists with proper entity selection and registration requirements for California operations.

CA
3400 Inland Empire Blvd #101, Ontario
Cifuentes & Associates Ltd. Liability Co.
CPA · Ontario, California

As tax season approaches in Ontario, California, businesses and individuals often seek timely preparation guidance. Cifuentes & Associates Ltd. Liability Co. responds by offering professional CPA services to help clients comply with tax regulations and organize financial records. They address common accounting needs like bookkeeping, tax filing, and IRS correspondence for local clients. A first consultation allows for a review of current financial documents and an assessment of any outstanding obligations.

PT
4295 E Jurupa St #109, Ontario
Patriot Tax Services
CPA · Ontario, California

Patriot Tax Services provides ongoing bookkeeping support and annual tax preparation for businesses and individuals in Ontario, CA. Its specialty add-ons include payroll processing and sales tax compliance for local companies. The firm assists with account reconciliations and financial statement preparation to support business planning. This CPA works with offices, warehouses, and food service operations throughout the Inland Empire.

HT
2920 Inland Empire Blvd #105, Ontario
Hongda Tax and Accounting Services
CPA · Ontario, California

Hongda Tax and Accounting Services provides residential tax preparation and bookkeeping to individuals in Ontario, California, while also offering commercial accounting for local businesses throughout the area. The firm handles income tax filing and planning for both personal and corporate clients. E-filing and direct deposit for refunds are standard. Follow-up adjustments or year-round inquiries are welcomed between regular tax seasons to ensure continuity in service.

MS
939 W Mission Blvd C, Ontario
Moreno's Income Tax Services
CPA · Ontario, California

Moreno's Income Tax Services, based in Ontario, CA, provides year-round tax return preparation for individuals and small businesses. The firm assists clients with filing federal and state returns, addressing compliance issues, and organizing documentation for audits. General accounting tasks such as financial statement reviews and bookkeeping adjustments are also offered to help streamline client operations. For specialized needs, Moreno's Income Tax Services can handle IRS payment plan negotiations that resolve outstanding tax debt.

NB
1128 W Mission Blvd F, Ontario
NARDOS BUSINESS SERVICES LLC
CPA · Ontario, California
(909) 391-0077
nardosservices.com
MC
3350 Shelby St #200, Ontario
Meza CPAs, Tax & Accounting
CPA · Ontario, California
(909) 279-0009
meza.cpa
VS
2234 S Mountain Ave, Ontario
Villa's Taxes
CPA · Ontario, California
(909) 983-6442
RB
931 W Holt Blvd Suite C, Ontario
Reyes Bookkeeping & Income Tax
CPA · Ontario, California
(909) 984-0217
reyes-incometax.com
RE
214 S Euclid Ave, Ontario
Rojas Enterprises - Maria Rojas Office
CPA · Ontario, California
(909) 986-6058
LT
2665 E Riverside Dr suite d, Ontario
LES Tax Services
CPA · Ontario, California
(909) 689-7081
MI
139 N Euclid Ave, Ontario
Marthas Income Tax
CPA · Ontario, California
(909) 395-9258
JT
1945 E Riverside Dr #20, Ontario
Jewels Taxes and Bookkeeping
CPA · Ontario, California
(909) 773-1863
jewelstaxes.com
MF
2910 S Archibald Ave a617, Ontario
Mariette Felicie Martinez, EA
CPA · Ontario, California
(909) 509-5887
courses.masteryourbooks.com
PI
755 E Holt Blvd B, Ontario
Panamericana Income Tax - Ontario
CPA · Ontario, California
(909) 740-8510
panamericanaservice.com
ET
615 N Euclid Ave Suite 102, Ontario
EAGLE TAX & NOTARY PUBLIC SERVICES
CPA · Ontario, California
(909) 467-0702
facebok.com/eagletaxservices
SC
4345 E Lowell St STE G, Ontario
SB CPA INC
CPA · Ontario, California
(866) 256-8167
sbcpainc.com
CF
2990 Inland Empire Blvd #114, Ontario
Corellia Finance & Tax
CPA · Ontario, California
(909) 621-9718
corelliacpa.com
OA
118 W Holt Blvd, Ontario
Offices of Arshad M. Farooq, JD, CPA
CPA · Ontario, California
(909) 238-5361
KA
1131 W 6th St #210, Ontario
Kelly Accounting & Associates
CPA · Ontario, California
(909) 687-7017
kellyaccountingtax.com
BT
1920 S Archibald Ave f, Ontario
Burns Tax & Wealth Management
CPA · Ontario, California
(951) 734-5879
burnstaxservice.com
RR
515 N Laurel Ave, Ontario
Regalado Raymond CPA
CPA · Ontario, California
(909) 988-6551
FB
209 E I St, Ontario
Freedom Bookkeeping LLC
CPA · Ontario, California
(909) 921-5656
freedombookkeepingaccounting.com
MB
3595-1 Inland Empire Blvd #1120, Ontario
Mac Burney Jr Robert a CPA
CPA · Ontario, California
(626) 859-3444
usccpa.net
JS
3200 E Guasti Rd #100, Ontario
Joey's Income Tax and Accounting Services
CPA · Ontario, California
(909) 456-8875
JE
3200 E Guasti Rd, Ontario
James E. Hall, CPA
CPA · Ontario, California
RM
525 W Holt Blvd, Ontario
Raul Marquez, CPA Accounting Office
CPA · Ontario, California
(909) 271-8026
raulmarquezcpa.com
TR
2551 S Euclid Ave, Ontario
Tax & Retirement Services
CPA · Ontario, California
(909) 467-5433
taxandretirementservices.com
LM
2023 Tam O'Shanter St, Ontario
Ledger Mastery
CPA · Ontario, California
(949) 295-3447
ledgermastery.com
PB
3100 E Cedar St STE 12, Ontario
Pangan Benjamin A CPA
CPA · Ontario, California
(909) 732-4783
bapangancpa.net
GC
4120 Concours St # 100, Ontario
GYL CPAs and Advisors
CPA · Ontario, California
(909) 948-9990
gylcpa.com
EB
901 Via Piemonte #450, Ontario
Eide Bailly
CPA · Ontario, California
(909) 466-4410
eidebailly.com/locations/ontario
TP
4375 E Lowell St Ste E, Ontario
Tax Preparation, CPA, Financial Advisor, Medicare
CPA · Ontario, California
(909) 360-4000
thomashalsellcpa.com
RC
1131 W 6th St #255, Ontario
Rita C Hansen, CPA
CPA · Ontario, California
(909) 983-3364
ritachansencpa.com
AP
2321 S Greenwood Pl, Ontario
Accountant Partners Small Business Accountant - Ontario Location
CPA · Ontario, California
(909) 404-9191
accountantpartners.com/small-business-accountant-ontario
FD
2000 S Grove Ave # 101, Ontario
Ferguson Duane F CPA
CPA · Ontario, California
(909) 773-0330
RC
3296 E Guasti Rd #130, Ontario
Rammell & Company
CPA · Ontario, California
(909) 466-5800
rammellcpa.com

About CPAs in Ontario, CA

Finding a CPA in Ontario, California starts with understanding the local economy. Ontario is a major logistics hub, home to the Ontario International Airport and a dense network of warehouses and distribution centers. This creates unique financial needs for small business owners, trucking companies, and e-commerce operators who must navigate complex sales tax rules, multi-state filings, and inventory accounting.

A CPA in Ontario can help you stay compliant with both California’s aggressive tax agency (FTB) and federal requirements. Whether you own a logistics firm, work as a gig-economy contractor, or are planning for retirement, a local professional understands the cost of living and business expenses specific to the Inland Empire. They can also assist with entity structuring, payroll for seasonal workers, and tax planning to avoid surprises.

Use BeforeTaxUSA.com to compare qualified CPAs serving Ontario. Look for someone with experience in your industry—whether that’s logistics, real estate, or manufacturing—and verify their license through the California Board of Accountancy. A good CPA does more than file taxes; they help you make informed financial decisions year-round.

Frequently Asked Questions

How many CPAs are in Ontario?

Our directory lists 42 Certified Public Accountants serving Ontario and the surrounding area.

What is the difference between a CPA and a regular accountant?

A CPA has passed the Uniform CPA Examination and met state licensing requirements, while a general accountant may not hold this credential. CPAs can represent you before the IRS, sign audit reports, and are held to strict ethical standards by their state board of accountancy.

How much does a CPA typically charge?

CPA fees vary by location and complexity. Simple individual tax returns typically cost $200-$500, while business returns can range from $500-$2,500 or more. Many CPAs also offer hourly consulting at $150-$400 per hour.

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

Consider hiring a CPA if you are self-employed, own rental properties, have investment income, experienced major life changes like marriage or home purchase, or received an IRS notice. A CPA can often save you more in deductions than their fee costs.

CPAs Near Ontario

BeforeTaxUSA.com is a free informational directory. We are not an accounting firm and do not provide tax, accounting, or financial advice. Listings are compiled from publicly available information and are provided for convenience; we do not endorse or guarantee any professional. Please verify credentials, licensing, and reviews directly with each professional before engaging their services.

Listings are compiled from publicly available information. Contact each professional directly to verify credentials, licensing, services, and availability.

Inclusion in this directory is not an endorsement, recommendation, or guarantee of any professional.

Business owners: to update, remove, or have your listing featured, email [email protected].

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