Best Tax Preparation Services in Diamond Bar, CA

24 companies listed · 12 in Diamond Bar · 8 open weekends · 18 rated 4.5+ · 2 show a license

Data verified October 16, 2026

金管家會計師及財務規劃

金管家會計師及財務規劃

(48)
  • Patience
  • Problem
  • Service
“Whether you are a novice with zero knowledge of finance and taxation or have done accounting work before, I believe that after participating in Wendy's basic and intermediate accounting practical training courses, we will all You can become a qualifi...”
21343 Cold Spring Ln, Diamond Bar, CA
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ABC Financial & Tax Services

ABC Financial & Tax Services

(2)
“Personal relation and way of handing tax matters are very professionally handled”
In Business Since 1995
BBB Rating: A+
23341 Golden Springs Dr #101, Diamond Bar, CA
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Christopher G Carmona CPA

Christopher G Carmona CPA

(8)
“I recently had the pleasure of working with CPA Christopher for my tax preparation, and I must say, I am extremely impressed with his professionalism, knowledge, and efficiency.”
In Business Since 2021
745 Panhandle Dr, Diamond Bar, CA
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Harry C. Lin, CPA A Professional Corporation 林清吉聯合會計師事務所

Harry C. Lin, CPA A Professional Corporation 林清吉聯合會計師事務所

(7)
“They are the most professional in the Chinese community.”
In Business Since 2000
888 S Brea Canyon Rd Suite 225, Diamond Bar, CA 91789
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Mooneem

Mooneem

(2)
“I guess, that's why they can charge a fixed price per month and not interested in charging by hour.”
In Business Since 2010
Transparent Fees & Pricing
556 N Diamond Bar Blvd #201-B, Diamond Bar, CA
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PFS Global

PFS Global

(5)
  • Trust
  • Team
  • Financial
“Jon Diaz was super easy to work with as well, he went above and beyond and was extremely thorough!”
In Business Since 2012
Accepts All Major Credit Cards
556 N Diamond Bar Blvd UNIT 101, Diamond Bar, CA
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The 24 companies listed for Diamond Bar, CA prepare and file tax returns for individuals and small businesses. What each says about its services and credentials comes from its own website; ratings and quotes come from public reviews.

Area overview: Diamond Bar, CA

Of the 24 companies we list here, 12 are in Diamond Bar itself and 12 come from towns including Ontario (3, 12 mi), Pomona (2, 5 mi) and Rancho Cucamonga (2, 17 mi). 21 of the companies on this page have a rating, from 4.3 to 5.0 across 1,277 reviews; 11 have 50 or more reviews and 18 are rated 4.5 or higher. When clients rate these companies on specific qualities, they most often praise professionalism (98%), responsiveness (76%) and quality (67%). 8 are open on Saturdays and 1 on Sundays. The services the companies on this page list most often on their websites are tax services (4), accounting services (2) and payroll services (2). 2 show a license on their websites and 3 have a BBB rating of A or A+. Domain records put 12 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 4 offer a free initial consultation; 1 is family- or locally-owned and 1 lists coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.

Do any tax preparers listed for Diamond Bar offer a free first consultation?

4 of the 24 companies on this page state that a first consultation is free. In practice it buys a conversation about your situation and a quote for the return, not advice you can act on. Bring last year's return so the quote means something.

Mead, Coley and Company Cpa's

Mead, Coley and Company Cpa's

“We have been using Mead, Coley & Company for our personal and business accounting needs for several years.”
In Business Since 2015
3333 S Brea Canyon Rd STE 119, Diamond Bar, CA
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California & Federal Tax Services - Taxmasters

California & Federal Tax Services - Taxmasters

(1)
“We totally trust her and are confident that our taxes are being done properly and thoroughly.”
20855 Golden Springs Dr Ste 104, Diamond Bar, CA
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Vinoo Bookkeeping & Tax Services

Vinoo Bookkeeping & Tax Services

(1)
“I have used Vinoo Bookkeeping in Diamond Bar for my business tax and accounting.”
23341 Golden Springs Dr, Diamond Bar, CA
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Jiao Yu EA

Jiao Yu EA

In Business Since 2015
556 N Diamond Bar Blvd # 204, Diamond Bar, CA
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Patrick W. Medlock, CPA

Patrick W. Medlock, CPA

In Business Since 2017
Accepts All Major Credit Cards
20955 Pathfinder Rd STE 138, Diamond Bar, CA
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FAN & LI

FAN & LI

“Our accountants are board certified and stay current with continuous certifications and seminars to ensure we are up-to-date on all of the newest information, laws, regulations, and techniquesin our field.”
660 N Diamond Bar Blvd STE 188, Diamond Bar, CA
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Rivera

Rivera

(42)
  • Front Desk
  • Environment
  • Questions
“Decided to try this company for my live scan instead after realizing that they UPS store location I had planned on using was completely disregarding safe handling of their client's sensitive information.”
Accepts All Major Credit Cards
Below Average Price Tag
In Business Since 2011
BBB Rating: A+
1047 W 6th St ste d, Corona, CA
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RCS Tax Group

RCS Tax Group

(46)
  • Team
  • Money
  • Parents
“It was my first year that I went with Lucy, I liked her kindness and her experience in filing taxes, she explained each step and why and how much the money they were going to return was.”
Free Initial Consultation
Family Business
In Business Since 2016
Remote Consultations Available
Serving Diamond Bar Area
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Paul Carney CPA

Paul Carney CPA

(49)
  • Questions
  • Knowledge
  • Tax Preparation
“Paul has been both our family and Business CPA going on 25+years and couldn't recommend anyone better, He has served our needs with a quality of service that is unparalleled.”
Transparent Fees & Pricing
Free Initial Consultation
In Business Since 1997
Accepts All Major Credit Cards
148 E Foothill Blvd # 100, Arcadia, CA
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Swift Tax

Swift Tax

(44)
  • Price
  • Efficient
“Easy and fast place to get yr taxes done with great results”
Coupons & Offers
In Business Since 2017
Below Average Price Tag
2095 E Ball Rd, Anaheim, CA
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The Agency

The Agency

(48)
  • Team
  • Company
  • Questions
“Great people at the agency, they helped me with my credit when I really needed it, definitely will go back if I ever need them again and if you need help with you taxes or credit hit Alfred up tell them Remo sent you!!”
Free Initial Consultation
10+ Years Experience
DRE #02142119
1315 W Covina Pkwy, West Covina, CA
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Rantax

Rantax

(46)
  • Credit
  • Price
  • Job
“The office there is very clean and comfortable, and that music they have playing while you wait 👌 I've been going to Metin for 9 years now and I will continue in the years to come!”
Accepts All Major Credit Cards
Transparent Fees & Pricing
In Business Since 2015
NMLS# 1480412
8977 Foothill Blvd STE D, Rancho Cucamonga, CA
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Diamonds Tax

Diamonds Tax

(49)
  • Enrolled Agent
  • Knowledge
  • Tax Services
“Words cannot express how grateful I feel for the great help of Dalia and her office services, “ Diamonds Tax “ thanks to all your effort and dedication after so much time looking for really a professional Enrolled Agent found the perfect one for me a...”
In Business Since 2022
3074 W Temple Ave, Pomona, CA
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Oak Tree Financial & Tax Services

Oak Tree Financial & Tax Services

(49)
  • Team
  • Patient
  • Questions
“I have been going to Oak tree for about 8+ Melissa is very patient and helpful in any and every way possible, I love that she has a great relationship with her staff which makes the process run smooth.”
In Business Since 2012
9457 Cedar Glen Pl, Rancho Cucamonga, CA
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Online Tax Filer

Online Tax Filer

(43)
  • Payment
  • Company
  • Itin
“The service is extremely fast and accurate.”
Free Initial Consultation
In Business Since 2016
Transparent Fees & Pricing
Serving Diamond Bar Area
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Zamora Services #1 Taxes & Immigration

Zamora Services #1 Taxes & Immigration

(45)
“I got screwed over from another guy that had filed my taxes and I came over to Zamora to seek clarification and guidance on what was going on and get help.”
In Business Since 2013
942 E Holt Ave, Pomona, CA
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Fernandez

Fernandez

(24)
  • Stress
  • Questions
“Pedro torres really helped us, he talked to us and explained all the options we had, he took his time and walked us through the process giving us helpful tips for the next year!”
In Business Since 2008
BBB Rating: A+
115 W B St, Ontario, CA
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Aida Real Professional Services

Aida Real Professional Services

(38)
  • Paralegal
  • Efficient
  • Needs
“I filed taxes with Aida 2010, 2011, but 2012 I switched tax preparer because I moved 35 miles away, however, I came back to file 2013 because Aida is a truly professional, honest tax return preparer, her fees are reasonable, and always provide me wit...”
Accepts All Major Credit Cards
In Business Since 2017
BBB Accredited
561 W Holt Blvd STE B, Ontario, CA
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HomeTax PreparersCaliforniaDiamond Bar, CA

Tax Preparation & Planning Services in Diamond Bar, CA Cost Estimates

Minimum cost
$264
Maximum cost
$2631
National Average
$474
Avg Per Hour Rates
$251
$316
$684
Typical price range is based on 261 cost profiles
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Average Cost $474
Minimum cost $264
Maximum cost $2631
Avg Per Hour Rates $251

Typical range $316 to $684 is based on 261 cost profiles.

Why these companies made our list

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