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← Back to Top 25 Bookkeepers in the Riverside-San Bernardino Area, CA (2026)

Kerkstra Tax

Evidence Score 29/100 at 74% evidence coverage 20 of 25 on the Riverside-San Bernardino area list How the score works

What we could verify

Registered business?
Not verified
CPA license or firm permit?
Not verified (searched the state board)
Publishes prices?
Not stated on its website
Local or remote?
Local
Software?
None named on its website

Who they say they serve: technology (self-reported, from the firm's own website)

1 of 5 answered from a dated source.

Documents 3 of 5 core services.

Score breakdown

Documented services + buyer fit22 of 40 pts, 40 checked
Independently verifiable qualifications0 of 20 pts, 8 checked
Operational + pricing transparency3 of 25 pts, 22 checked
Verified identity + continuity4 of 15 pts, 4 checked

Dark bar: points earned. Grey bar: the weight we could check.

Evidence

Unless a row says otherwise, the source is the named page of Kerkstra Tax's own website (self-reported), read Sep 26, 2026.
ClaimWhat the source showsSourcePoints
Business name Kerkstra Tax home page
Website https://kerkstratax.com/ home page
Office locality Upland, CA home page
Phone +19099461000 home page
Offers bookkeeping Documented: ...Read More Accounting Precise financial statement preparation and analysis. Read More Bookkeeping Organized and accurate record-keeping. Read More Business Consulting Tailored... home page
AP / AR Documented: ...Maintaining accurate ledgers and journals Bank and credit card reconciliations Accounts payable and receivable management Accounting Financial statement preparation (Income... /upland-ca-accounting-bookkeeping 4 pts (max 4)
Payroll coordination Documented: ...Read More Business Consulting Tailored strategies for growth and efficiency. Read More Payroll Services Timely payroll processing and HR compliance. Read More Tax Problem... home page 4 pts (max 4)
Month-end close + reporting Documented: ...Strategizing to maximize returns and minimize liabilities. Read More Accounting Precise financial statement preparation and analysis. Read More Bookkeeping Organized and accurate... home page 6 pts (max 6)
Industries served (documented) technology /upland-ca-business-consulting 5 pts (max 5)
Local / remote model stated Local home page 3 pts (max 3)
Communication channel / process Documented: ...services. Call to Make an Appointment (909) 946-1000 Upload your documents securely Secure Client Portal Service Offerings Kerstra Tax offers comprehensive services tailored to... home page 3 pts (max 3)
Working contact route verified [email protected] (mail server found) DNS check
Third-party
Sep 26, 2026
2 pts (max 2)
Privacy / data-handling page Documented: Privacy Policy /privacy-policy-2 2 pts (max 2)

Checked and not found

  • Not documented. Checked 8 pages of the firm's own site on 2026-09-26 (Firm's own website): Monthly bookkeeping (0 pts, max 8); Catch-up / cleanup (0 pts, max 5); Software supported (0 pts, max 5); Pricing approach published (0 pts, max 6); What is included / excluded (0 pts, max 5); Onboarding described (0 pts, max 4); Reporting cadence stated (0 pts, max 4).
  • Not verified. Searched California Board of Accountancy licensee file (DCA public licensee data) for CPA firm records named 'Kerkstra Tax' on 2026-09-26: no matching record (State accountancy board): Active CPA firm or individual license (state board) (0 pts, max 8).

Searches that find nothing are not a mark against a firm. How we search.

Not verified (not checked yet, so each scores 0 and counts against coverage): Service area; Current QuickBooks ProAdvisor or Xero advisor listing (0 pts, max 6); Bookkeeping designation (AIPB/NACPB) or IRS directory credential (0 pts, max 6); Named contact / team (0 pts, max 3); Entity found in the state business registry (0 pts, max 6); Years operating (registry formation date) (0 pts, max 5).

Check it yourself on the state's own records: California Board of Accountancy license search and business registry search.

  • Working contact route verified: The email address the firm publishes is on a domain that accepts mail (MX record present).

Data limitations

  • 19 of 21 evidenced items come from Kerkstra Tax's own website and are labelled self-reported.
  • No ratings or review counts are published here. Why.

Is this your firm?

Claim this listing to correct a field with evidence, or report a correction. Claiming confirms ownership only; it does not change the score.