Popular Cities
24 firms listed · 6 in Diamond Bar · 1 open 24/7 · 4 open weekends · 21 rated 4.5+
Data verified October 16, 2026
The 24 firms listed for Diamond Bar, 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.
Of the 24 firms we list here, 6 are in Diamond Bar itself and 18 come from towns including Rancho Cucamonga (4, 17 mi), Upland (3, 12 mi) and Orange (2, 13 mi). 23 of the firms on this page have a rating, from 4.2 to 5.0 across 1,894 reviews; 17 have 50 or more reviews and 21 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (97%), responsiveness (82%) and quality (77%). 1 is open around the clock; 3 are open on Saturdays and 2 on Sundays. The practice areas the firms on this page list most often on their websites are estate planning (4), family law (3), bankruptcy (2), criminal law (2) and motorcycle accidents (2). 1 shows a license on its website and 5 have a BBB rating of A or A+. 18 have ten or more years of experience, the longest 35 years. 1 offers urgent consultations; 1 offers payment plans; 14 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.
Appointment requests go through the website at 2 of the 24 firms. A firm without that option works by phone or email. Online booking usually reserves a slot rather than confirming one, so expect a call back to check what the meeting is about.
