Best Criminal Defense Lawyers in Ontario, CA
15 firms listed · 4 in Ontario · 7 open 24/7 · 8 open weekends · 11 rated 4.5+
Data verified October 16, 2026
Neil Panchal Law
Shaw 3 Law Firm
Amicus Legal Group
Burga Law Firm
Newman & Allen
The 15 firms listed for Ontario, CA defend criminal charges for people. What each states about the offenses it takes and the courts it appears in comes from its own website; ratings and quotes come from public reviews.

Area overview: Ontario, CA
4 of the 15 firms we list are based in Ontario; the other 11 serve Ontario from towns including Rancho Cucamonga (6 mi), Upland (6 mi) and Pomona (9 mi). The firms on this page are rated from 4.2 to 5.0 across 1,277 reviews; 6 have 50 or more reviews and 11 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (96%), responsiveness (85%) and quality (77%). 7 are open around the clock; 8 are open on Saturdays and 7 on Sundays. The practice areas the firms on this page list most often on their websites are domestic violence (4), expungements (3), child support (2), criminal defense (2) and drug crimes (2). 1 shows a license on its website and 6 have a BBB rating of A or A+. Domain records put 10 websites of the firms on this page at ten or more years old; the oldest dates from 1999. 7 offer urgent consultations; 9 offer a free initial consultation and 1 lists coupons or special offers. 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.
Why are firms outside Ontario shown on this page?
4 of the 15 firms are based in Ontario; the others come from other towns. In criminal work the courthouse matters more than the office address, so ask whether a firm appears regularly in the court holding your case.



