Best CPAs in Riverside, CA (2026)
Choosing the right cpa in Riverside, CA can be overwhelming. With 41 cpas operating across the Riverside metro area, how do you separate the truly exceptional from the merely adequate? At Top CPAs, we analyze publicly available data to rank every cpa on a transparent, editorial basis -- no paid placements, no sponsored rankings.
This 2026 ranking evaluates cpas in Riverside, California using our proprietary Guide Score algorithm, which weighs verified reviews, professional credentials, press recognition, web presence, years of experience, and profile completeness. We reviewed 41 active businesses in the Riverside market and selected the top 15 for this list.
By the numbers: Guide Scores on this list range from 18 to 40 out of 100, 11 of 15 hold professional certifications, the average firm has 36 years of experience. Updated April 2026.
Each entry below includes the business's Guide Score, star rating, review count, and a data-driven explanation of why they earned their spot. Click through to any profile for the full breakdown including contact information, specialties, credentials, and related businesses in Riverside.
The Top 15 CPAs in Riverside, CA
-
#1 Marcia L. Campbell, CPA 40/100
Selected for 43 years of experience (est. 1983); CPA, EA certified; team of 2 professionals.
ACCOUNTING SERVICES IN REDLANDS, CA | LAKE ARROWHEAD, CA | FRANKLIN, TNAccountants & Business AdvisorsConnect With Us909-825-6600
View full profile → -
#2 Casillas Accountancy Group 31/100
Selected for 38 years of experience (est. 1988); team of 2 professionals; specializes in tax services, estate planning, irs audit representation.
Casillas Accountancy Group brings reliable accounting services to Riverside and nearby communities in CA. Reach out at +19516890680 or visit them online.
View full profile → -
#3 Valencia Tax Service 30/100
Selected for 21 years of experience (est. 2005); specializes in call us!, services | valencia tax service (951) 343 1313 info@valenciataxservice.com facebook, facebook.
Valencia Tax Service, a Professional Tax Preparers help you with Book keeping, Business taxes, Cooperate taxes ( S corps & Partnerships), Filling sales tax, Immigration services, Individual taxes, IR…
View full profile → -
#4 SingerLewak, LLP 30/100
Selected for 67 years of experience (est. 1959); team of 450 professionals.
Residents of Riverside, CA looking for expert accounting services can rely on SingerLewak, LLP. Reach them at 9516830672. Visit their website to learn more about their work. Located at 1650 Iowa Ave…
View full profile → -
#5 MC Herting, CPA 22/100
Selected for CPA certified; team of 2 professionals; specializes in estates and trusts, in this section:, quick links:.
MC Herting, CPA serves Riverside and surrounding CA communities with professional accounting services. Reach them at +19517849753. Visit their website to learn more about their work. Located at 3890…
View full profile → -
#6 Vernon Oates CPA P.C. 21/100
Selected for CPA certified; specializes in ask a question, we are here to help, send us a file.
Vernon Oates CPA P.C. brings professional accounting expertise to the Riverside, CA community. Located at 4100 Latham St. Reach them at +19512899135. Visit their website for more details on services…
View full profile → -
#7 Divine Business Services 21/100
Selected for CPA certified; team of 5 professionals.
Divine Business Services brings professional accounting expertise to the Riverside, CA community. Reach them at 9513139523 or email info@godivineonline.com. Visit their website to learn more about th…
View full profile → -
#8 MG Business Services 21/100
Selected for 9 years of experience (est. 2017); team of 2 professionals; specializes in quickbooks software, business formation, workers compensation general liability insurance.
For over 9 years, MG Business Services has been a trusted name in accounting in Riverside, CA. Led by Meet Our, ');align-items:center;background-color:rgba(var(--bg,var(--color_11,color_11)),var(--al…
View full profile → -
#9 Advanced Tax Solutions Inc 20/100
Selected for EA, MBA certified; specializes in in this section, contact us, client portal.
Advanced Tax Solutions Inc brings professional accounting expertise to the Riverside, CA community. Located at 6864 Indiana Ave Ste 103. Reach them at 9512762999. Visit their website for more details…
View full profile → -
#10 American Business Tax School 20/100
Selected for EA certified; team of 2 professionals.
American Business Tax School provides accounting services across Riverside, CA. Reach them at +19516609507 or email contact@jgaccountant.com. Visit their website to learn more about their work. Locat…
View full profile → -
#11 Shaila Chamberlain 20/100
Selected for CPA certified; team of 2 professionals.
S Chamberlain CPA offers tax, accounting, and advisory services to small, and medium-sized businesses in Riverside and the Inland Empire
View full profile → -
#12 RP&B CPAs 19/100
Selected for CPA, MBA certified.
RP&B CPAs is an full-service accounting firm based in Riverside, CA. The team holds professional credentials including cpa, mba. Reach them at +19516847781 or email rpb@rpbcpa.com. Visit their websit…
View full profile → -
#13 C.Dart CPA 19/100
Selected for CPA certified; specializes in our firm, services audits, reviews & compliations, employee benefit plans.
Looking for an accounting firm in Riverside? C.Dart CPA serves the greater Riverside metropolitan area. Call +19513009680 or visit their site for details.
View full profile → -
#14 Anderson & Associates CPA 19/100
Selected for CPA certified; specializes in business services, services, tax preparation.
Anderson & Associates CPA provides accounting services in Riverside, CA. Reach them by phone at 9516822051 or online to discuss your project.
View full profile → -
#15 Kevin Jacobs CPA 18/100
Selected for CPA certified.
Kevin Jacobs CPA is an established accounting firm serving the Riverside, CA community with professional accounting services. Located at 4187 Flat Rock Rd. Reach them at +19517390758. Visit their web…
View full profile →
How We Ranked These CPAs
Our Guide Score (0–100) combines verified Google reviews and ratings (30%), professional credentials (10%), press and media recognition (5%), web and portfolio presence (15%), years of experience (15%), profile completeness (10%), and industry awards (up to 5 bonus points). No business can pay for a higher ranking.
Data sources include Google Business Profile, professional registries, portfolio sites, press databases, and direct business submissions. Every piece of data is publicly verifiable.
Frequently Asked Questions
How did we rank the best cpas in Riverside?
Top CPAs ranks cpas using our Guide Score (0-100), a composite metric computed from publicly available data. The score weighs Google reviews and ratings (30%), professional credentials and certifications (10%), press and media recognition (5%), web and portfolio presence (15%), years of experience (15%), profile completeness (10%), and awards (up to 5 bonus points). There is no paid placement -- every ranking is purely editorial.
Who is the #1 cpa in Riverside, CA?
As of 2026, Marcia L. Campbell, CPA holds the #1 ranking in Riverside with a Guide Score of 40/100. Rankings are recalculated with every data update and reflect the latest available information.
How often is this list updated?
Core data (ratings, reviews, contact information) is re-verified on a rolling monthly cadence. Credentials and awards are audited quarterly. Guide Scores recalculate automatically with every data update, so rankings may shift as new reviews are posted or credentials are verified.
How many cpas are there in Riverside?
Our database currently tracks 41 active cpas in the Riverside, CA metro area. This list highlights the top 15 based on Guide Score. Browse our full Riverside directory to see every listed business.
Can a cpa pay to be ranked higher?
No. Top CPAs does not accept payment for rankings. Guide Scores are computed algorithmically from verified public data. Businesses can claim and update their profile with accurate information, but the ranking algorithm treats all profiles equally. Our editorial independence is core to our methodology.
What should I look for when hiring a cpa in Riverside?
We recommend evaluating: (1) professional certifications and credentials, (2) verified customer reviews and ratings, (3) years of experience in the Riverside market, (4) portfolio quality and range of work, (5) budget alignment with your project scope, and (6) responsiveness and communication style. Our Guide Score weighs these factors so you can compare at a glance.