
STATES · CALIFORNIA
CPA, tax accountant and bookkeeping for Ontario clients, delivered remotely
In the ZIP codes 91761, 91762 and 91764 serving Ontario, California, 50 physician offices have paid employees, according to Census ZIP Code Business Patterns 2023. Households and businesses in Ontario can get returns and monthly books from Brent Tucker, CPA.
Sound familiar?
Your return is no longer simple.
Investments, a rental property, a side business or income in another state. Brent prepares your federal and state returns and tells you up front what affects the price.
Life changed this year.
A move, a new job, a home purchase, a growing family. Changes like these can affect your return, and they are worth discussing when it is prepared.
Switching accountants mid-year
Prior-year tax returns, recent financial statements, access to your accounting software, and bank and card statements. Your previous accountant can provide copies of your records at your request, and Brent can coordinate that request with your permission.
Your situation isn’t on this list? Tell us about it — every engagement starts with a conversation.
Services and starting prices.
- 01
Monthly Accounting
From $400/moTransaction categorization, account reconciliations, financial statements and regular accounting support.
- 02
Tax Preparation
From $300Individual returns (federal and one state) from $300; business returns from $750.
- 03
Accounting + Tax + Planning
From $900/moMonthly accounting and reporting, business and owner tax returns, proactive tax planning and year-round CPA access.
Founding Client Rate: $825/month for your first 12 months when you engage by March 31, 2027. Terms
- 04
Law Firm Accounting
From $900/moFor solo attorneys and small law firms: monthly accounting, financial reporting, business and owner returns, tax planning and CPA consultation.
Starting prices. Your scope and price are agreed in writing before work begins.

Work directly with Brent.
Licensed CPA · 10+ years in public accounting · Member, AICPA and MICPA
You work directly with your CPA, and have someone to call when a decision comes up.
Brent Tucker is a CPA licensed in Michigan and serves clients in other states under applicable CPA mobility provisions.
More about BrentOntario at a glance
5,484
business establishments with paid employees in the ZIP codes 91761, 91762 and 91764 that serve Ontario
Source: Census ZIP Code Business Patterns 2023
86,900
tax returns filed for tax year 2022 from the ZIP codes 91761, 91762 and 91764 that serve Ontario
Source: IRS Statistics of Income, individual income tax statistics by ZIP code, tax year 2022
65
law offices with paid employees in the ZIP codes 91761, 91762 and 91764 that serve Ontario
Source: Census ZIP Code Business Patterns 2023
50
physician offices with paid employees in the ZIP codes 91761, 91762 and 91764 that serve Ontario
Source: Census ZIP Code Business Patterns 2023
204
real estate firms with paid employees in the ZIP codes 91761, 91762 and 91764 that serve Ontario
Source: Census ZIP Code Business Patterns 2023
364
restaurants with paid employees in the ZIP codes 91761, 91762 and 91764 that serve Ontario
Source: Census ZIP Code Business Patterns 2023
Tax offices in Ontario
City of Ontario Business License Division
City business tax and licenses.
Phone (909) 395-2022
San Bernardino County Auditor-Controller/Treasurer/Tax Collector (ATC)
County property tax collection.
Phone (909) 387-8322
California Franchise Tax Board (income tax)
State tax and revenue agency.
Phone 800-852-5711
IRS Taxpayer Assistance Center - San Bernardino
Federal tax help in person.
290 N. D St., San Bernardino, CA 92401
Phone (909) 388-8108
IRS Statistics of Income counts 86,900 tax returns filed for tax year 2022 from the ZIP codes 91761, 91762 and 91764.
Census ZIP Code Business Patterns 2023 counts 5,484 business establishments with paid employees in those ZIP codes, including 364 restaurants and 204 real estate firms.
The City of Ontario Business License Division is the city office for local taxes, and the San Bernardino County Auditor-Controller/Treasurer/Tax Collector (ATC) collects property tax.
The California Franchise Tax Board (income tax) is the state office, and the IRS Taxpayer Assistance Center - San Bernardino is the federal one. Tucker CPA plans taxes through the year for Ontario business owners.
Source: each office's official website, checked October 16, 2026.
Common questions.
Is there a Tucker CPA office in Ontario?
No. Tucker CPA has no office in Ontario and no local offices elsewhere; Brent works with clients remotely. No office visit needed — meetings are by phone or video, wherever you’re based.
Can a remote CPA handle taxes and books for households and businesses in Ontario?
Yes. You work directly with your CPA, and have someone to call when a decision comes up.
What does a CPA cost?
Starting prices. Your scope and price are agreed in writing before work begins.
Sources
- Census ZIP Code Business Patterns 2023: establishments with paid employees, by ZIP code.
- IRS Statistics of Income, individual income tax statistics by ZIP code, tax year 2022.
- American Community Survey 2023 5-year estimates (survey estimate for the place), for Ontario city, California.
- U.S. Census Bureau, 2020 ZIP Code Tabulation Area relationship files: which ZIP codes serve the place.
- U.S. Census Bureau county boundary files, 2023; U.S. Office of Management and Budget metropolitan area definitions, July 2023.
GET STARTED
Let's talk about your numbers.
Tell us a little about your business or situation, and Brent will reply personally. No office visit needed — meetings are by phone or video, wherever you’re based.
Call 888-762-4370 · Email brent@brenttuckercpa.com · Prefer to pick a time? Book a consultation online