David A. Arietta Law Offices
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2 of these firms are based in Castro Valley; the others serve Castro Valley from towns including Fremont (13 mi), Walnut Creek (13 mi) and Danville (9 mi).
1 open 24/7 · 4 open weekends · 22 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
The 24 firms listed for Castro Valley, CA write wills, trusts and powers of attorney for clients. What each says about its planning packages and meeting options comes from its own website; ratings and quotes come from public reviews.

The 24 firms on this page are rated from 4.3 to 5.0 across 1,379 reviews; 7 have 50 or more reviews and 22 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (93%), responsiveness (89%) and quality (78%). The topics that come up most in reviews of the firms on this page are "trust", "patient" and "efficient". 1 is open around the clock; 4 are open on Saturdays and 1 on Sundays. The practice areas the firms on this page list most often on their websites are estate planning (6), business law (2), family law (2) and trust administration (2). 1 shows a license on its website and 4 have a BBB rating of A or A+. Domain records put 19 websites of the firms on this page at ten or more years old; the oldest dates from 1999. 1 offers urgent consultations; 2 offer remote or virtual consultations; 10 offer a free initial consultation and 1 is family- or locally-owned. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Of the 24 firms shown, 2 keep an office in Castro Valley. The others come from other towns within 25 mi. Planning takes only a handful of meetings, so people often travel for the right fit. Distances are straight-line.