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Accountants in Walnut, CA — 6 Top-Rated Firms (2026)

We list 6 accounting firms in Walnut, California that have a website and a public review record — 3 CPA firms, 1 tax preparer, 1 financial planner, and 1 bookkeeper. 3 hold a Google rating of 4.5★ or higher, and the average across the 6 rated firms here is 3.47★. They are sorted by Google rating and review count.

The highest-rated firm in Walnut is 核桃税务会计事务所Walnut Tax & Accounting Services (5.0★, 32 reviews). 3 of 6 rated firms hold a 4.5★ or higher Google rating.

Showing 6 of 6 firms · sorted by Google rating
1.
核桃税务会计事务所Walnut Tax & Accounting Services
★★★★★★★★★★5.0(32 Google reviews)✓ Verified on Google
CPA Firm · 18780 Amar Rd Ste 106, Walnut, CA 91789
Services: bookkeeping, tax preparation
2.
JSL LLP
★★★★★★★★★★5.0(7 Google reviews)✓ Verified on Google
CPA Firm · 21450 Golden Springs Dr Ste 140, Walnut, CA 91789
Services: accounting & tax
3.
Online Tax Filer
★★★★★★★★★★4.5(295 Google reviews)✓ Verified on Google
Tax Preparation · 340 S Lemon Ave, Walnut, CA 91789
4.
indinero
★★★★★★★★★★3.0(2 Google reviews)IRS PTIN
CPA Firm · 340 S Lemon Ave, Walnut, CA 91789
Services: accounting & tax
5.
Bank of America (with Drive-thru ATM)
★★★★★★★★★★2.3(67 Google reviews)✓ Verified on Google
Financial Planning · 200 S Lemon Ave, Walnut, CA 91789
Services: advisory
6.
Heidi Kwok Cpa, Mbt
★★★★★★★★★★1.0(1 Google review)✓ Verified on GoogleIRS PTIN
Bookkeeping · 20265 Valley Blvd # R, Walnut, CA 91789

Top accounting firms in Walnut

#FirmServiceGoogle ratingReviews
1核桃税务会计事务所Walnut Tax & Accounting ServicesCPA Firm5.0 / 532
2JSL LLPCPA Firm5.0 / 57
3Online Tax FilerTax Preparation4.5 / 5295
4indineroCPA Firm3.0 / 52
5Bank of America (with Drive-thru ATM)Financial Planning2.3 / 567

More Firms in Walnut

Firms without a website or enough reviews for a profile page of their own.

How to choose an accountant in Walnut

  • Verify credentials — a CPA holds a state Board of Accountancy license; a tax preparer should have a valid IRS PTIN and, ideally, an EA (Enrolled Agent) designation.
  • Match the specialty to your needs — small-business tax, S-corp/LLC filings, bookkeeping, or personal returns are different skill sets.
  • Confirm they e-file and use current software, and ask how they handle IRS notices or audits.
  • Get the fee structure in writing — hourly, flat per-return, or monthly retainer — before engaging.
  • Ask for an engagement letter defining scope, responsibilities, and deadlines.

How to verify a CPA license »

What accountants cost

Typical national ranges: individual tax return $150–$450, monthly bookkeeping $200–$700, business return $500–$2,500+.

Cost guidance is a national reference range, not a quote — actual fees depend on return complexity, entity type, and the firm. Always request a written estimate.

Frequently asked questions

How many accountants are in Walnut?
We list 6 accounting firms in Walnut, California that have a website and a public review record, 3 of which hold a 4.5★+ Google rating. 42 businesses in Walnut appear in the underlying public data.
How much does an accountant cost in Walnut?
Fees vary by complexity and firm. As a national reference, an individual tax return typically runs $150–$450, monthly bookkeeping $200–$700, and a business return $500–$2,500+. Ask each firm for a written fee estimate.
Do I need a CPA or a bookkeeper?
A bookkeeper records day-to-day transactions and reconciles accounts; a CPA is a state-licensed accountant who can also handle complex tax planning, audits, and represent you before the IRS. Many small businesses use a bookkeeper year-round and a CPA at tax time.
Are the ratings on this page real?
Yes — ratings and review counts are aggregate figures from Google, attributed to Google, with a link to the firm's Google reviews. accounting8 does not host or write reviews.