7 Tax Preparers in Castro Valley, CA

Browse verified tax preparers in Castro Valley, California. Compare providers and find contact information.

J C Tax Services

★★★★½ (22 reviews)
3053 Castro Valley Blvd, Castro Valley, CA 94546
(510) 538-4829
Hours: {"Friday":["9 AM–6 PM"],"Monday":["9 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–6 PM"],"Tuesday":["9 AM–6 PM"],"Wednesday":["9 AM–6 PM"]}

Sstar Services

★★★★½ (17 reviews)
4266 Gem Ave, Castro Valley, CA 94546
(510) 583-8035
Website: www.yourtaxreturn.com
Hours: {"Friday":["9 AM–11 PM"],"Monday":["9 AM–11 PM"],"Saturday":["9 AM–11 PM"],"Sunday":["2–11 PM"],"Thursday":["9 AM–11 PM"],"Tuesday":["9 AM–11 PM"],"Wednesday":["9 AM–11 PM"]}

Flex Tax and Consulting Group

★★★★★ (12 reviews)
2811 Castro Valley Blvd #206, Castro Valley, CA 94546
(415) 860-6288
Website: flextcg.com/appointment
Hours: {"Friday":["9 AM–6 PM"],"Monday":["9 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–6 PM"],"Tuesday":["9 AM–6 PM"],"Wednesday":["9 AM–6 PM"]}

Bottomline Tax Service Inc.

★★★★★ (4 reviews)
20200 Redwood Rd UNIT 12, Castro Valley, CA 94546
(510) 413-8290
Website: bottomlinetaxservice.com
Hours: {}

Avas Tax Services

★★★★★ (3 reviews)
20345 Santa Maria Ave Ste A, Castro Valley, CA 94546
(510) 397-1112
Website: www.avastaxservices.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["10 AM–3 PM"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}

McKinney & Co, CPA, A Professional Corporation

★★★½☆ (4 reviews)
19244 Redwood Rd, Castro Valley, CA 94546
(510) 582-2484
Website: www.mckinneycompany.com
Hours: {"Friday":["8:30 AM–12 PM"],"Monday":["8:30 AM–4:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–4:30 PM"],"Tuesday":["8:30 AM–4:30 PM"],"Wednesday":["8:30 AM–4:30 PM"]}

Professional Income Tax Service

★★★☆☆ (4 reviews)
3849 Castro Valley Blvd, Castro Valley, CA 94546
(510) 582-2015
Website: www.pitstax.com
Hours: {}

About Tax Preparers in Castro Valley, CA

Castro Valley’s economy is driven by a mix of small retail shops, healthcare services, and construction trades, plus a growing number of remote professionals who commute to Oakland or San Francisco. With this diversity comes complex tax situations—self-employment income, home office deductions, or multi-state returns—that can be tricky to handle alone. A local tax preparer understands California’s state-specific rules and can help you avoid common filing errors.

Whether you’re a contractor managing quarterly payments or a family claiming education credits, a professional preparer saves time and reduces audit risk. Castro Valley residents also face unique considerations like property tax adjustments on older homes or income from side gigs common in the area. Finding someone who knows the local landscape ensures your return is accurate and complete.

BeforeTaxUSA.com lets you browse verified tax professionals in Castro Valley by specialty and location. You can compare experience, read reviews, and choose a preparer who fits your needs—without the guesswork.

Frequently Asked Questions

What qualifications should a tax preparer have?

At minimum, a paid tax preparer must have an IRS-issued PTIN. Look for additional credentials like Enrolled Agent (EA) status, CPA license, or completion of the IRS Annual Filing Season Program. These indicate higher levels of training and accountability.

How much does tax preparation cost?

Simple individual returns (W-2 income only) typically cost $100-$300. Returns with itemized deductions, self-employment income, or rental properties can cost $300-$800 or more. Always ask for a fee estimate upfront before committing.

What documents do I need to bring to my tax preparer?

Bring all W-2s, 1099 forms, records of deductible expenses, last year's tax return, Social Security numbers for all family members, bank account information for direct deposit, and any IRS correspondence you have received.

BeforeTaxUSA.com is a free informational directory. Listings are compiled from publicly available data and do not constitute an endorsement or recommendation. Verify credentials, licensing, and reviews independently before engaging any professional. Listings appear in no particular order unless otherwise noted.

Business owners: to update or remove a listing, email [email protected].

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