James Wang LAW
“James consulted me with my wife's case very friendly and helpful staff they made my situation simple”
Best Personal Injury Lawyers in Diamond Bar, CA
15 firms listed · 5 in Diamond Bar · 8 open 24/7 · 8 open weekends · all 15 rated 4.5+
Data verified October 16, 2026
Kenner Law Group, PLC
“Jason Yang assisted with my estate planning and it was a pleasure working with him.”
Alex Ramirez
“They treated me with the utmost respect and never hesitated to answer my million and one questions.”
The Pollard Firm
“This firm has everything going in the right direction, from there lawyers to there help in the office.”
JV LAW Offices
“She's a great asset in the legal community, and extremely helpful in all Criminal, Immigration, Family Law and even Contract Law types of cases.”
JSM Personal Injury Law Firm
“The entire team were highly efficient, very knowledgeable , and professional.”
The 15 firms on this page are the personal injury practices listed for Diamond Bar, CA. What each states about its injury work, consultations and fee arrangements comes from its own website; ratings and quotes come from public reviews.
Area overview: Diamond Bar, CA
Of the 15 firms we list here, 5 are in Diamond Bar itself and 10 come from towns including West Covina (2, 7 mi), Upland (2, 12 mi) and Yorba Linda (1, 8 mi). The firms on this page are rated from 4.8 to 5.0 across 1,857 reviews; 10 have 50 or more reviews. When clients rate these firms on specific qualities, they most often praise professionalism (95%), responsiveness (77%) and quality (70%). The topics that come up most in reviews of the firms on this page are "trust", "communication" and "expertise". 8 are open around the clock and 8 are open on weekends. The practice areas the firms on this page list most often on their websites are car accidents (5), motorcycle accidents (3), personal injury (3), wrongful death (3) and civil litigation (2). 2 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 25 years. 8 offer urgent consultations; 8 offer a free initial consultation and 1 lists coupons or special offers. 2 have Spanish-speaking staff. 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.
Do the injury firms listed for Diamond Bar publish websites?
All 15 firms on this page link to a website. That is where you can see which injuries the practice takes on, who the attorneys are, and whether the fee arrangement is described anywhere. What a firm leaves off its own site is worth raising on the first call.
Hanning & Sacchetto
“I hope to never have to go through this again, but if I or anyone I know needs more help than what the insurance companies provide, I will surely be recommending this team!”
Kareem Law APC
“Kareem is very attentive and would respond back to any questions I had in a timely manner and he would check in to let me know when he processed the paperwork, got a court date, and the decision made by the Judge.”
The Injury Firm
“You guys made me feel so welcome so part of the family, so yeah I would definitely definitely definitely refer you to the injury Firm it's like if you want your business taken care of then that's where you Would go.”
Patzkowski Law Corporation
“I'm a client myself and he's gone the extra mile for me and he will get u what you have coming!”
Law Offices Of Tanya L Willis
“Going thru a probate situation with the loss of a loved one, The lawyers here (Tyler) walked us through each step, best case scenarios, and clear legal advice.”
Lem Garcia Law
“Lem Garcia Law isn't your typical attorney firm, they actually care about you.”
Centro Legal De Accidentes
“I would recommend, they are very helpful and nice people.”
California Lawyers Group
“They answered all of my niece's questions and we love how fast they get back to you very on top of things.”
The Law Firm of Oscar A. Ischiu
“The lawyer you do not want to miss the opportunity to contact him and his office.”
Why these companies made our list
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