CPA & Insurance
★★★★★ (110 reviews)21343 Cold Spring Ln, Diamond Bar, CA 91765
(909) 479-9639
Website: wendyliu-cpa.com
Hours: {"Friday":["9 AM–7 PM"],"Monday":["9 AM–7 PM"],"Saturday":["10 AM–2 PM"],"Sunday":["Closed"],"Thursday":["9 AM–7 PM"],"Tuesday":["9 AM–7 PM"],"Wednesday":["9 AM–9 PM"]}
Christopher G Carmona CPA, APC
★★★★★ (24 reviews)745 Panhandle Dr, Diamond Bar, CA 91765
(800) 227-2891
Website: www.settlemytaxdebts.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"]}
Bharti Sudan, CPA Inc.
★★★★½ (20 reviews)23341 Golden Springs Dr Ste 204, Diamond Bar, CA 91765
(909) 861-5642
Website: www.cpaofdiamondbar.com
Hours: {"Friday":["10 AM–5 PM"],"Monday":["10 AM–5 PM"],"Saturday":["10 AM–2 PM"],"Sunday":["Closed"],"Thursday":["10 AM–5 PM"],"Tuesday":["10 AM–5 PM"],"Wednesday":["10 AM–5 PM"]}
Frontier Tax Consulting, CPA | 藍海會計師事務所 (加州）
★★★★½ (19 reviews)1370 Valley Vista Dr Ste 210, Diamond Bar, CA 91765
(626) 699-9959
Website: frontiertax.us
Hours: {"Friday":["9:30 AM–6 PM"],"Monday":["9:30 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9:30 AM–6 PM"],"Tuesday":["9:30 AM–6 PM"],"Wednesday":["9:30 AM–6 PM"]}
Grace Tax Group
★★★★★ (16 reviews)20955 Pathfinder Rd, Diamond Bar, CA 91765
(909) 843-6321
Website: www.gracetaxgroup.com
Hours: {"Friday":["9:30 AM–5 PM"],"Monday":["9:30 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9:30 AM–5 PM"],"Tuesday":["9:30 AM–5 PM"],"Wednesday":["9:30 AM–5 PM"]}
Harry C. Lin, CPA A Professional Corporation 林清吉聯合會計師事務所
★★★★½ (13 reviews)888 S Brea Canyon Rd Suite 225, Diamond Bar, CA 91789
(626) 810-3403
Website: www.harrylincpa.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"]}
PFS Global
★★★★★ (10 reviews)556 N Diamond Bar Blvd UNIT 101, Diamond Bar, CA 91765
(909) 294-7372
Website: www.pfsonline.com
Hours: {"Friday":["8 AM–6 PM"],"Monday":["8 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–6 PM"],"Tuesday":["8 AM–6 PM"],"Wednesday":["8 AM–6 PM"]}
California & Federal Tax Services - Taxmasters Inc.
★★★★★ (5 reviews)20855 Golden Springs Dr Ste 104, Diamond Bar, CA 91789
(909) 594-9926
Hours: {}
Diamond Tax Service
★★★½☆ (6 reviews)588 N Diamond Bar Blvd, Diamond Bar, CA 91765
(909) 569-1878
Hours: {"Friday":["9 AM–6:30 PM"],"Monday":["9 AM–6:30 PM"],"Saturday":["9 AM–5 PM"],"Sunday":["Closed"],"Thursday":["9 AM–6:30 PM"],"Tuesday":["9 AM–6:30 PM"],"Wednesday":["9 AM–6:30 PM"]}
Parikh Mehta & Associates
★★★★★ (4 reviews)22632 Golden Springs Dr, Diamond Bar, CA 91765
(909) 861-8100
Website: www.pmaadvisors.com
Hours: {"Friday":["8:30 AM–4:30 PM"],"Monday":["8:30 AM–4:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–4:30 PM"],"Tuesday":["8:30 AM–4:30 PM"],"Wednesday":["8:30 AM–4:30 PM"]}
TAAD
★★★★☆ (4 reviews)20955 Pathfinder Rd #370, Diamond Bar, CA 91765
(909) 569-4690
Website: taadllp.com
Hours: {}
UEHLE TAX SERVICES LLC
★★★★★ (3 reviews)23555 Golden Springs Dr a2, Diamond Bar, CA 91765
(909) 860-6626
Website: uehletax.com
Hours: {}
Mooneem
★★★★★ (3 reviews)556 N Diamond Bar Blvd #201-B, Diamond Bar, CA 91765
(909) 839-6789
Website: www.mooneem.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"]}
David Shin & Co., CPA
★★★☆☆ (4 reviews)22632 Golden Springs Dr UNIT 105, Diamond Bar, CA 91765
(909) 594-5052
Website: cpashin.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"]}
nbs Tax Services
★★★½☆ (3 reviews)1155 S Diamond Bar Blvd, Diamond Bar, CA 91765
(909) 861-6003
Hours: {}
Ray Park CPA
★★★★★ (2 reviews)2707 S Diamond Bar Blvd #203, Diamond Bar, CA 91765
(909) 444-1888
Hours: {}
ABC Financial & Tax Services
★★★★★ (2 reviews)23341 Golden Springs Dr #101, Diamond Bar, CA 91765
(909) 396-5272
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"]}
G&L CPA Inc
★★★★★ (2 reviews)660 N Diamond Bar Blvd STE 208, Diamond Bar, CA 91765
(626) 337-6138
Hours: {"Friday":["9:30 AM–5:30 PM"],"Monday":["9:30 AM–5:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9:30 AM–5:30 PM"],"Tuesday":["9:30 AM–5:30 PM"],"Wednesday":["9:30 AM–5:30 PM"]}
Christopher C Koo Accountancy
★★½☆☆ (3 reviews)2705 S Diamond Bar Blvd STE 218, Diamond Bar, CA 91765
(909) 895-8888
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"]}
A & N Accounting
★★★★★ (1 reviews)1345 S Diamond Bar Blvd # Z, Diamond Bar, CA 91765
(909) 396-0081
Hours: {}
Jean & Co CPAs PC
★★★★★ (1 reviews)21671 Gateway Center Dr # 109, Diamond Bar, CA 91765
(909) 860-1800
Hours: {}
Adcon
★★★★★ (1 reviews)1100 Seneca Pl, Diamond Bar, CA 91765
(909) 896-8005
Hours: {"Friday":["8:30 AM–5:30 PM"],"Monday":["8:30 AM–5:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–5:30 PM"],"Tuesday":["8:30 AM–5:30 PM"],"Wednesday":["8:30 AM–5:30 PM"]}
PW CPA, A PROFESSIONAL CORP
★★★★★ (1 reviews)3230 Fallow Field Dr Suite 208, Diamond Bar, CA 91765
(626) 283-1132
Hours: {"Friday":["9:30 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"]}
Subhash Tax & Financial Services
★★★★★ (1 reviews)2914 Rising Star Dr, Diamond Bar, CA 91765
(909) 598-4001
Hours: {}
Taxperts Inc
★☆☆☆☆ (3 reviews)920 N Diamond Bar Blvd, Diamond Bar, CA 91765
(909) 861-5300
Hours: {}
Millennial CPA, Tax & Accounting
20955 Pathfinder Rd #100, Diamond Bar, CA 91765
(909) 843-6402
Website: www.taxcpasolution.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"]}
Neilan & Associates, CPA Inc.
324 S Diamond Bar Blvd, Diamond Bar, CA 91765
(909) 591-6810
Website: www.neilancpa.com/Contact-us
Hours: {}
FAN & LI LLP, CPA
660 N Diamond Bar Blvd STE 188, Diamond Bar, CA 91765
(626) 231-9818
Website: www.fanandli.us
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"]}
K C Accountancy Corporation
Diamond Bar, CA 91765
(909) 595-4793
Hours: {}
Patrick W. Medlock, CPA
20955 Pathfinder Rd STE 138, Diamond Bar, CA 91765
(909) 294-7372
Website: www.pfsonline.com/acquisitions/medlock
Hours: {"Friday":["8:30 AM–5 PM"],"Monday":["8:30 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–5 PM"],"Tuesday":["8:30 AM–5 PM"],"Wednesday":["8:30 AM–5 PM"]}
C&L Accountancy Corp.
1300 Valley Vista Dr, Diamond Bar, CA 91765
(909) 861-8900
Website: www.cnlcpa.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"]}
Mead, Coley and Company CPA's
3333 S Brea Canyon Rd STE 119, Diamond Bar, CA 91765
(909) 444-0252
Website: meadcoley.com
Hours: {"Friday":["9:30 AM–4 PM"],"Monday":["9:30 AM–4 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9:30 AM–4 PM"],"Tuesday":["9:30 AM–4 PM"],"Wednesday":["9:30 AM–4 PM"]}
Chang Chang Chen & Co
1340 Valley Vista Dr, Diamond Bar, CA 91765
(909) 861-6088
Hours: {}
Yorke & Associates CPAs
556 N Diamond Bar Blvd UNIT 101, Diamond Bar, CA 91765
(909) 294-7372
Website: www.pfsonline.com/acquisitions/yorke
Hours: {"Friday":["8 AM–6 PM"],"Monday":["8 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–6 PM"],"Tuesday":["8 AM–6 PM"],"Wednesday":["8 AM–6 PM"]}
R & L Accountancy Corporation
2705 S Diamond Bar Blvd STE 378, Diamond Bar, CA 91765
(909) 598-7510
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"]}
Kuo & Associates
2705 S Diamond Bar Blvd STE 350, Diamond Bar, CA 91765
(909) 612-9938
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"]}
Zelada & Associates
732 N Diamond Bar Blvd, Diamond Bar, CA 91765
(909) 861-2689
Website: www.zeladataylor.com
Hours: {}
Chan Kwan & Associates Accountancy
22632 Golden Springs Dr UNIT 230, Diamond Bar, CA 91765
(909) 348-7228
Hours: {}
Lipock's Accounting Services, Inc
1360 Valley Vista Dr #106, Diamond Bar, CA 91765
(626) 416-8911
Website: lsasinc.com
Hours: {}
CLC LLP 陳梁鄭會計師事務所
556 N Diamond Bar Blvd Suite 213, Diamond Bar, CA 91765
(626) 899-0126
Website: clcllp.com
Hours: {"Friday":["10:30 AM–6:30 PM"],"Monday":["10:30 AM–6:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10:30 AM–6:30 PM"],"Tuesday":["10:30 AM–6:30 PM"],"Wednesday":["10:30 AM–6:30 PM"]}
About Accountants in Diamond Bar, CA
Finding a qualified accountant in Diamond Bar, California, can be a smart move for both residents and local business owners. Diamond Bar has a strong mix of residential communities and commercial areas, including many small retail shops, medical offices, and professional service firms. Whether you run a local business or manage personal finances, an accountant can help you stay compliant with state and federal tax laws while identifying potential deductions specific to your situation.
Many people in Diamond Bar turn to an accountant for help with self-employment taxes, rental property income, or investment reporting. The city’s proximity to larger business hubs also means residents may have complex income from multiple sources. A good accountant can simplify tax preparation, offer year-round planning advice, and help you avoid costly mistakes. For business owners, an accountant can assist with bookkeeping, payroll, and financial forecasting.
BeforeTaxUSA.com makes it easy to browse local accounting professionals in Diamond Bar. You can compare services, read profiles, and choose someone who fits your specific needs—whether that’s personal tax filing, small business accounting, or long-term financial planning.
Frequently Asked Questions
What services does an accountant provide?
Accountants typically offer bookkeeping, financial statement preparation, tax planning and preparation, payroll services, accounts payable and receivable management, and general financial consulting for both individuals and businesses.
How do I choose the right accountant?
Look for an accountant with experience in your industry or tax situation, check their credentials and references, ask about their availability during tax season, and make sure they use modern accounting software. A good accountant should be proactive about finding deductions and keeping you compliant.
What is the difference between an accountant and a bookkeeper?
A bookkeeper records daily financial transactions, while an accountant analyzes financial data, prepares tax returns, and provides strategic financial advice. Many accounting firms offer both services, with bookkeepers handling the day-to-day work and accountants overseeing the bigger financial picture.
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.