STATES · CALIFORNIA
CPA, tax accountant and bookkeeping for Castle Hill clients, delivered remotely
Unincorporated Castle Hill, California, is served by ZIP code 94595, which holds 286 business establishments with paid employees. Castle Hill business owners can work with Brent Tucker, CPA, on tax returns and monthly books.
Sound familiar?
You own an S corporation or a partnership.
The business return and each owner’s return depend on each other. Preparing them together keeps the figures consistent.
10% of the 2022 tax returns filed from the ZIP code 94595 (Walnut Creek) that serves Castle Hill reported partnership or S corporation income (IRS Statistics of Income, individual income tax statistics by ZIP code, tax year 2022; the ZIP codes extend beyond Castle Hill).
You want a clearer picture of each property.
Books kept property by property show what each one earns and costs — and carry straight through to your return.
Properties held in partnerships or LLCs.
Coordinate the returns and reporting required for your properties and entities with your individual tax return.
Last year’s tax bill came as a surprise.
Planning through the year gives you a view of where the year is heading before it ends, while there are still choices to make.
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 BrentCastle Hill at a glance
286
business establishments with paid employees in the ZIP code 94595 (Walnut Creek) that serves Castle Hill
Source: Census ZIP Code Business Patterns 2023
9,960
tax returns filed for tax year 2022 from the ZIP code 94595 (Walnut Creek) that serves Castle Hill
Source: IRS Statistics of Income, individual income tax statistics by ZIP code, tax year 2022; the ZIP codes extend beyond Castle Hill
5
law offices with paid employees in the ZIP code 94595 (Walnut Creek) that serves Castle Hill
Source: Census ZIP Code Business Patterns 2023
11
physician offices with paid employees in the ZIP code 94595 (Walnut Creek) that serves Castle Hill
Source: Census ZIP Code Business Patterns 2023
25
real estate firms with paid employees in the ZIP code 94595 (Walnut Creek) that serves Castle Hill
Source: Census ZIP Code Business Patterns 2023
These ZIP codes also cover areas outside Castle Hill, so ZIP-area figures describe a wider area than Castle Hill itself.
Tax offices in Castle Hill
Contra Costa County Assessor
County property assessment.
Phone 925-313-7400
Contra Costa County Treasurer-Tax Collector
County property tax collection.
Phone (925) 608-9500
California Franchise Tax Board (income tax)
State tax and revenue agency.
Phone 800-852-5711
IRS Taxpayer Assistance Center - Oakland
Federal tax help in person.
1301 Clay St., Suite 160S, Oakland, CA 94612
Phone (510) 907-5000
Castle Hill is unincorporated; Contra Costa County handles local property tax.
Castle Hill is unincorporated, which leaves Contra Costa County, California, as the government that serves it. The Contra Costa County Assessor assesses property, and the Contra Costa County Treasurer-Tax Collector collects property tax.
For the state, the page lists the California Franchise Tax Board (income tax), and for the federal side the IRS Taxpayer Assistance Center - Oakland.
Census ZIP Code Business Patterns 2023 counts 25 real estate firms and 11 physician offices with paid employees in ZIP code 94595. Tucker CPA offers Castle Hill households and businesses tax returns and monthly books.
Source: each office's official website, checked October 16, 2026.
Common questions.
Is there a Tucker CPA office in Castle Hill?
No. Tucker CPA has no office in Castle Hill 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 Castle Hill?
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; the ZIP codes extend beyond Castle Hill.
- American Community Survey 2023 5-year estimates (survey estimate for the place), for Castle Hill census-designated place, California.
- U.S. Census Bureau, 2020 ZIP Code Tabulation Area relationship files: which ZIP codes serve the place.
- IRS, “State government websites”: the state tax agency link.
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