Accounting firm in Castro Valley

AgentData lists 2 accounting firms in Castro Valley, United States. Updated May 2026.

2 businesses0 with websites
William J McAvoy Certified Public Accountant

21841, Redwood Road

Also in Castro Valley

Restaurant ()Elementary school ()Fast food restaurant ()Place of worship ()Fuel supplier ()Beauty salon ()Cafe ()Auto repair shop ()

Accounting firm in nearby cities

Wayne ()Portland ()Seattle ()Mesa ()Naples ()San Jose ()Broken Arrow ()Tallahassee ()

Frequently asked questions

How many accounting firms are in Castro Valley?

AgentData lists 2 accounting firms in Castro Valley as of May 2026.

Which accounting firms in Castro Valley have a website?

0 of 2 accounting firms in Castro Valley have a website with verified contact details.

Is this data free?

Yes. AgentData is completely free — no credit card, no trial period, no paid tiers.

How is this data collected?

Business listings are sourced from OpenStreetMap and verified through our web crawler, which checks websites for email addresses, phone numbers, and technology stacks.

Access this data via API
GET /api/local-businesses?category=accounting-firm&city=castro-valley