Fernandez Income Tax
★★★★★ (174 reviews)115 W B St, Ontario, CA 91762
(909) 391-6737
Website: fernandezit.com
Hours: {"Friday":["11 AM–5 PM"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["11 AM–5 PM"],"Tuesday":["11 AM–5 PM"],"Wednesday":["11 AM–5 PM"]}
Aida Real Professional Services
★★★★½ (107 reviews)561 W Holt Blvd STE B, Ontario, CA 91762
(909) 391-7131
Website: aidarealnotary.com
Hours: {"Friday":["11 AM–6 PM"],"Monday":["11 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["11 AM–6 PM"],"Tuesday":["11 AM–6 PM"],"Wednesday":["11 AM–6 PM"]}
H&R Block
★★★★★ (83 reviews)2503 S Euclid Ave Unit E, Ontario, CA 91761
(909) 988-9333
Website: www.hrblock.com/tax-office-near-me/california/ontario/3984/?otppartnerid=9308&campaignid=pw_mcm_9308_9762&utm_medium=local
Hours: {}
Tax365
★★★★★ (73 reviews)720 N Archibald Ave c, Ontario, CA 91764
(909) 975-2775
Website: www.mytax365.com
Hours: {"Friday":["9 AM–7 PM"],"Monday":["9 AM–7 PM"],"Saturday":["9 AM–7 PM"],"Sunday":["Closed"],"Thursday":["9 AM–7 PM"],"Tuesday":["9 AM–7 PM"],"Wednesday":["9 AM–7 PM"]}
Latino's Tax Services
★★★★★ (71 reviews)1739 S Euclid Ave Suite B, Ontario, CA 91762
(909) 986-1844
Hours: {"Friday":["9 AM–7 PM"],"Monday":["9 AM–7 PM"],"Saturday":["10 AM–3 PM"],"Sunday":["Closed"],"Thursday":["9 AM–7 PM"],"Tuesday":["9 AM–7 PM"],"Wednesday":["9 AM–7 PM"]}
Enriquez Income Tax
★★★★½ (56 reviews)610 E Francis St Unit 180, Ontario, CA 91761
(909) 460-0659
Website: enriquezservices.com
Hours: {"Friday":["10 AM–6 PM"],"Monday":["Closed"],"Saturday":["10 AM–2 PM"],"Sunday":["Closed"],"Thursday":["Closed"],"Tuesday":["10 AM–6 PM"],"Wednesday":["Closed"]}
Mi Oficina Income Tax & Insurance
★★★★½ (52 reviews)1245 N Grove Ave a, Ontario, CA 91764
(909) 984-4900
Website: www.myofficeincometax.com
Hours: {"Friday":["10 AM–6:30 PM"],"Monday":["10 AM–6:30 PM"],"Saturday":["10 AM–3 PM"],"Sunday":["Closed"],"Thursday":["10 AM–6:30 PM"],"Tuesday":["10 AM–6:30 PM"],"Wednesday":["10 AM–6:30 PM"]}
Madero Accountancy Practice, PC
★★★★★ (46 reviews)4055 E Hamilton Paseo, Ontario, CA 91761
(909) 375-1250
Website: www.maderocpa.com
Hours: {"Friday":["8 AM–6 PM"],"Monday":["8 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–6 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–6 PM"]}
Xel Advisors, CPA
★★★★★ (43 reviews)337 N Vineyard Ave #230, Ontario, CA 91764
(909) 750-0462
Website: www.xeladvisors.com
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["10 AM–4 PM"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Cifuentes & Associates Ltd. Liability Co.
★★★★★ (40 reviews)3400 Inland Empire Blvd #101, Ontario, CA 91764
(909) 324-4464
Website: api.taxnitro.com/widget/appointment/cifuentesandassociatescalendar
Hours: {"Friday":["11:30 AM–7 PM"],"Monday":["11:30 AM–7 PM"],"Saturday":["11:30 AM–7 PM"],"Sunday":["Closed"],"Thursday":["11:30 AM–7 PM"],"Tuesday":["11:30 AM–7 PM"],"Wednesday":["11:30 AM–7 PM"]}
Ledgent Finance & Accounting
★★★★★ (39 reviews)3200 E Guasti Rd Ste 100, Ontario, CA 91761
(909) 466-3584
Website: www.ledgent.com/locations/view/inland-empire
Hours: {"Friday":["8 AM–3 PM"],"Monday":["8 AM–5:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5:30 PM"],"Tuesday":["8 AM–5:30 PM"],"Wednesday":["8 AM–5:30 PM"]}
Patriot Tax Services
★★★★½ (41 reviews)4295 E Jurupa St #109, Ontario, CA 91761
(909) 391-3992
Hours: {"Friday":["9 AM–8 PM"],"Monday":["9 AM–8 PM"],"Saturday":["9 AM–8 PM"],"Sunday":["Closed"],"Thursday":["9 AM–8 PM"],"Tuesday":["9 AM–8 PM"],"Wednesday":["9 AM–8 PM"]}
Hongda Tax and Accounting Services
★★★★★ (30 reviews)2920 Inland Empire Blvd #105, Ontario, CA 91764
(951) 880-3938
Website: www.taxhf.com
Hours: {"Friday":["9 AM–3 PM"],"Monday":["9 AM–4 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–4 PM"],"Tuesday":["9 AM–4 PM"],"Wednesday":["9 AM–4 PM"]}
Moreno's Income Tax Services
★★★★½ (33 reviews)939 W Mission Blvd C, Ontario, CA 91762
(909) 549-3888
Website: morenosincometax.com
Hours: {"Friday":["Closed"],"Monday":["Closed"],"Saturday":["9 AM–3 PM"],"Sunday":["Closed"],"Thursday":["10 AM–3 PM"],"Tuesday":["10 AM–3 PM"],"Wednesday":["Closed"]}
NARDOS BUSINESS SERVICES LLC
★★★★★ (25 reviews)1128 W Mission Blvd F, Ontario, CA 91762
(909) 391-0077
Website: nardosservices.com
Hours: {"Friday":["11 AM–5 PM"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["11 AM–5 PM"],"Tuesday":["11 AM–5 PM"],"Wednesday":["11 AM–5 PM"]}
Meza CPAs, Tax & Accounting
★★★★★ (23 reviews)3350 Shelby St #200, Ontario, CA 91764
(909) 279-0009
Website: meza.cpa
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
1st CHOICE TAX PREPARATION
★★★★★ (23 reviews)700 N Mountain Ave #101, Ontario, CA 91762
(909) 983-8600
Website: www.facebook.com/1stTaxPrep
Hours: {"Friday":["Closed"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["12–4 PM"],"Tuesday":["12–4 PM"],"Wednesday":["12–4 PM"]}
Villa's Taxes
★★★★½ (22 reviews)2234 S Mountain Ave, Ontario, CA 91762
(909) 983-6442
Hours: {"Friday":["9 AM–4:30 PM"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–4:30 PM"],"Tuesday":["9 AM–4:30 PM"],"Wednesday":["9 AM–4:30 PM"]}
Nuestra Gente
★★★★½ (19 reviews)1511 W Holt Blvd STE J, Ontario, CA 91762
(909) 460-2555
Hours: {"Friday":["9 AM–6 PM"],"Monday":["9 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–6 PM"],"Tuesday":["9 AM–6 PM"],"Wednesday":["9 AM–6 PM"]}
Reyes Bookkeeping & Income Tax
★★★★★ (15 reviews)931 W Holt Blvd Suite C, Ontario, CA 91762
(909) 984-0217
Website: reyes-incometax.com
Hours: {"Friday":["9 AM–8 PM"],"Monday":["9 AM–8 PM"],"Saturday":["10 AM–6 PM"],"Sunday":["Closed"],"Thursday":["9 AM–8 PM"],"Tuesday":["9 AM–8 PM"],"Wednesday":["9 AM–8 PM"]}
Rojas Enterprises - Maria Rojas Office
★★★★★ (14 reviews)214 S Euclid Ave, Ontario, CA 91762
(909) 986-6058
Hours: {"Friday":["10 AM–5 PM"],"Monday":["10 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10 AM–5 PM"],"Tuesday":["10 AM–5 PM"],"Wednesday":["10 AM–5 PM"]}
Marthas Income Tax
★★★★☆ (15 reviews)139 N Euclid Ave, Ontario, CA 91762
(909) 395-9258
Hours: {"Friday":["9:30 AM–6 PM"],"Monday":["9:30 AM–6 PM"],"Saturday":["10 AM–4 PM"],"Sunday":["Closed"],"Thursday":["9:30 AM–6 PM"],"Tuesday":["9:30 AM–6 PM"],"Wednesday":["9:30 AM–6 PM"]}
Jewels Taxes and Bookkeeping
★★★★★ (12 reviews)1945 E Riverside Dr #20, Ontario, CA 91761
(909) 773-1863
Website: jewelstaxes.com
Hours: {"Friday":["10 AM–5 PM"],"Monday":["10 AM–6 PM"],"Saturday":["10 AM–3 PM"],"Sunday":["Closed"],"Thursday":["10 AM–6 PM"],"Tuesday":["10 AM–6 PM"],"Wednesday":["10 AM–6 PM"]}
Mariette Felicie Martinez, EA
★★★★★ (11 reviews)2910 S Archibald Ave a617, Ontario, CA 91761
(909) 509-5887
Website: courses.masteryourbooks.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
RFS Accounting and Taxes
★★★★★ (11 reviews)980 W 6th St suite 107, Ontario, CA 91762
(909) 714-0866
Website: ramirezfinancialservice.com
Hours: {"Friday":["8 AM–6 PM"],"Monday":["8 AM–6 PM"],"Saturday":["8 AM–6 PM"],"Sunday":["Closed"],"Thursday":["8 AM–6 PM"],"Tuesday":["8 AM–6 PM"],"Wednesday":["8 AM–6 PM"]}
Zamora's Service
★★★★½ (11 reviews)1951 E 4th St, Ontario, CA 91764
(909) 481-3500
Hours: {"Friday":["11 AM–7 PM"],"Monday":["11 AM–7 PM"],"Saturday":["12–5 PM"],"Sunday":["Closed"],"Thursday":["11 AM–7 PM"],"Tuesday":["11 AM–7 PM"],"Wednesday":["11 AM–7 PM"]}
Panamericana Income Tax - Ontario
★★★½☆ (14 reviews)755 E Holt Blvd B, Ontario, CA 91761
(909) 740-8510
Website: panamericanaservice.com
Hours: {"Friday":["9 AM–6 PM"],"Monday":["9 AM–6 PM"],"Saturday":["9 AM–6 PM"],"Sunday":["10 AM–4 PM"],"Thursday":["9 AM–6 PM"],"Tuesday":["9 AM–6 PM"],"Wednesday":["9 AM–6 PM"]}
EAGLE TAX & NOTARY PUBLIC SERVICES
★★★★★ (9 reviews)615 N Euclid Ave Suite 102, Ontario, CA 91762
(909) 467-0702
Website: www.facebok.com/eagletaxservices
Hours: {}
We Care Tax LLC
★★★★★ (7 reviews)3281 E Guasti Rd STE 732, Ontario, CA 91761
(909) 962-9578
Website: www.wecaretaxllc.com
Hours: {"Friday":["10 AM–5 PM"],"Monday":["10 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10 AM–5 PM"],"Tuesday":["10 AM–5 PM"],"Wednesday":["10 AM–5 PM"]}
Chapman Tax and Business Services
★★★★★ (6 reviews)FLOOR 7, 3281 E Guasti Rd, Ontario, CA 91761
(909) 921-1734
Hours: {"Friday":["10 AM–7 PM"],"Monday":["10 AM–7 PM"],"Saturday":["10 AM–7 PM"],"Sunday":["Closed"],"Thursday":["10 AM–7 PM"],"Tuesday":["10 AM–7 PM"],"Wednesday":["10 AM–7 PM"]}
Offices of Arshad M. Farooq, JD, CPA
★★★★½ (5 reviews)118 W Holt Blvd, Ontario, CA 91762
(909) 238-5361
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Kelly Accounting & Associates
★★★★★ (4 reviews)1131 W 6th St #210, Ontario, CA 91762
(909) 687-7017
Website: www.kellyaccountingtax.com
Hours: {"Friday":["9 AM–7 PM"],"Monday":["9 AM–7 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–7 PM"],"Tuesday":["9 AM–7 PM"],"Wednesday":["9 AM–7 PM"]}
Pondillo Tax Services
★★★★★ (4 reviews)2980 Inland Empire Blvd #114, Ontario, CA 91764
(909) 755-1000
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["9 AM–3 PM"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Cloud Bookkeeping, Inc.
★★★★★ (3 reviews)3281 E Guasti Rd Suite #700, Ontario, CA 91761
(909) 952-3804
Website: www.cloudbookkeepinginc.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Merchants Bookkeeping
★★★★★ (3 reviews)516 N Laurel Ave, Ontario, CA 91762
(909) 983-0652
Website: merchantsbkg.com
Hours: {"Friday":["10 AM–3 PM"],"Monday":["10 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10 AM–5 PM"],"Tuesday":["10 AM–5 PM"],"Wednesday":["10 AM–5 PM"]}
SDDS Computer Accounting, Tax Preparation Service
★★★★★ (3 reviews)2139 E 4th St SPC 97, Ontario, CA 91764
(909) 987-2408
Website: sddscomputeraccounting.wordpress.com
Hours: {"Friday":["10 AM–8 PM"],"Monday":["10 AM–8 PM"],"Saturday":["10 AM–8 PM"],"Sunday":["Closed"],"Thursday":["10 AM–8 PM"],"Tuesday":["10 AM–8 PM"],"Wednesday":["10 AM–8 PM"]}
Freedom Bookkeeping LLC
★★★★★ (2 reviews)209 E I St, Ontario, CA 91764
(909) 921-5656
Website: www.freedombookkeepingaccounting.com
Hours: {"Friday":["9 AM–6 PM"],"Monday":["9 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–6 PM"],"Tuesday":["9 AM–6 PM"],"Wednesday":["9 AM–6 PM"]}
Singh Tax & Accounting
★★★★★ (2 reviews)3200 E Guasti Rd Ste 100, Ontario, CA 91761
(844) 362-6660
Hours: {"Friday":["8 AM–6 PM"],"Monday":["8 AM–6 PM"],"Saturday":["8 AM–6 PM"],"Sunday":["Closed"],"Thursday":["8 AM–6 PM"],"Tuesday":["8 AM–6 PM"],"Wednesday":["8 AM–6 PM"]}
M & D Professional Services
★★★☆☆ (2 reviews)642 E Francis St, Ontario, CA 91761
Hours: {"Friday":["10 AM–6 PM"],"Monday":["9 AM–6 PM"],"Saturday":["10 AM–3 PM"],"Sunday":["Closed"],"Thursday":["10 AM–6 PM"],"Tuesday":["10 AM–6 PM"],"Wednesday":["10 AM–6 PM"]}
Tax & Retirement Services
★★★★★ (1 reviews)2551 S Euclid Ave, Ontario, CA 91762
(909) 467-5433
Website: www.taxandretirementservices.com
Hours: {}
Raul Marquez, CPA Accounting Office
★★★★★ (1 reviews)525 W Holt Blvd, Ontario, CA 91762
(909) 271-8026
Website: www.raulmarquezcpa.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Ledger Mastery
★★★★★ (1 reviews)2023 Tam O'Shanter St, Ontario, CA 91761
(949) 295-3447
Website: www.ledgermastery.com
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Alvarez Taxes & Bookkeeping
★★★★★ (1 reviews)1117 N Grove Ave, Ontario, CA 91764
(909) 459-1472
Hours: {}
GABRIEL'S MULTISERVICES
★★★★★ (1 reviews)1511 W Holt Blvd STE C, Ontario, CA 91762
(909) 391-2998
Hours: {"Friday":["10 AM–5 PM"],"Monday":["10 AM–5 PM"],"Saturday":["10 AM–5 PM"],"Sunday":["10 AM–5 PM"],"Thursday":["10 AM–5 PM"],"Tuesday":["10 AM–5 PM"],"Wednesday":["10 AM–5 PM"]}
Exquisite Consulting Services LLC
★★★★★ (1 reviews)3400 Inland Empire Blvd, Ontario, CA 91764
(800) 780-3306
Website: www.exquisiteconsultingservices.com
Hours: {"Friday":["9 AM–6 PM"],"Monday":["9 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–6 PM"],"Tuesday":["9 AM–6 PM"],"Wednesday":["9 AM–6 PM"]}
De Koekkoek David
★★★★☆ (1 reviews)2551 Euclid Ave, Ontario, CA 91762
(909) 467-5433
Website: www.taxandretirementservices.com
Hours: {}
Tax Preparation, CPA, Financial Advisor, Medicare
★☆☆☆☆ (1 reviews)4375 E Lowell St Ste E, Ontario, CA 91761
(909) 360-4000
Website: thomashalsellcpa.com
Hours: {"Friday":["9 AM–9 PM"],"Monday":["9 AM–5 PM"],"Saturday":["9 AM–5 PM"],"Sunday":["9 AM–5 PM"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–9 PM"]}
Xel Bookkeeping Services
337 N Vineyard Ave #230, Ontario, CA 91764
(909) 750-0462
Website: www.xeladvisors.com
Hours: {"Friday":["Open 24 hours"],"Monday":["Open 24 hours"],"Saturday":["Open 24 hours"],"Sunday":["Open 24 hours"],"Thursday":["Open 24 hours"],"Tuesday":["Open 24 hours"],"Wednesday":["Open 24 hours"]}
Accountant Partners Small Business Accountant - Ontario Location
2321 S Greenwood Pl, Ontario, CA 91761
(909) 404-9191
Website: accountantpartners.com/small-business-accountant-ontario
Hours: {"Friday":["Open 24 hours"],"Monday":["Open 24 hours"],"Saturday":["Open 24 hours"],"Sunday":["Open 24 hours"],"Thursday":["Open 24 hours"],"Tuesday":["Open 24 hours"],"Wednesday":["Open 24 hours"]}
QuickBooks Payroll
400 W Holt Blvd, Ontario, CA 91762
(833) 659-9010
Hours: {}
209 E I St
209 E I St #209, Ontario, CA 91764
(909) 906-1163
Website: www.freedombookkeepingaccounting.com
Hours: {}
About Bookkeepers in Ontario, CA
Finding a reliable bookkeeper in Ontario, California starts with understanding the local business landscape. Ontario is a major logistics and distribution hub, home to the Ontario International Airport and a dense concentration of warehouses and transportation companies. Whether you run a small retail shop along Euclid Avenue or manage a fleet serving the Inland Empire, accurate financial tracking is essential for staying compliant with California’s complex sales and use tax rules.
A good bookkeeper helps you move beyond messy receipts and late-night data entry. They organize your income and expenses, reconcile bank statements, and prepare clear financial reports. This is especially valuable for Ontario business owners who need to monitor cash flow closely or plan for seasonal shifts in demand. Even if you’re a freelancer or contractor, a bookkeeper can save you hours each month and reduce costly errors when tax time arrives.
BeforeTaxUSA.com makes it easy to compare local bookkeeping professionals who understand Ontario’s specific economic drivers. Look for someone familiar with logistics, retail, or service-based businesses in the area. A well-matched bookkeeper keeps your finances in order so you can focus on growing your operation in one of Southern California’s fastest-growing cities.
Frequently Asked Questions
What does a bookkeeper do?
A bookkeeper records all financial transactions, manages invoices and payments, reconciles bank and credit card statements, runs payroll, generates financial reports, and keeps your books organized so you and your accountant can make informed decisions.
How much does a bookkeeper cost?
Bookkeeper rates vary by location and scope of work. Part-time bookkeepers typically charge $20-$50 per hour, while full-service monthly bookkeeping packages for small businesses range from $300-$2,000 per month depending on transaction volume and complexity.
Do I need a bookkeeper if I use QuickBooks or other software?
Software handles the mechanics, but a bookkeeper ensures transactions are categorized correctly, accounts are reconciled, and your books are accurate. Mistakes in DIY bookkeeping often lead to costly tax errors. A bookkeeper saves time and prevents problems before they start.
BeforeTaxUSA.com is a free informational directory. Listings are compiled from publicly available data and do not constitute an endorsement or recommendation. Verify credentials, licensing, and reviews independently before engaging any professional. Listings appear in no particular order unless otherwise noted.
Business owners: to update or remove a listing, email info@beforetaxusa.com.