Rancho Law Group With Javier Palma
“Thank you for your tireless efforts and for always maintaining honesty and commitment in your work.”
Best Estate Planning Attorneys in Ontario, CA
15 firms listed · 4 in Ontario · 1 open 24/7 · 3 open weekends · 14 rated 4.5+
Data verified October 31, 2026
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Torres Angulo Law Group
“I called the Torres Angulo Law Group, I received attentive and fast results,100% satisfied with the services I received.”
Vistas Law Group
“Louie and his team are so kind, super supportive and helped me tons with the legal process.”
Law Offices of Forrest F. Wolfe
“He guided me on the best way to handle my will, so that my estate would not be contested by an estranged sibling.”
Atlantis Law Firm
“When we met with James, he was informative and made this process easy and straightforward.”
Law Offices of Fernando D. Vargas
“Great service all around, made things quick & easy for both of us, definitely recommend Fernando Vargas!”
The 15 firms listed for Ontario, 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.
Area overview: Ontario, CA
4 of the 15 firms we list are based in Ontario; the other 11 serve Ontario from Rancho Cucamonga (6 mi), Upland (6 mi) and Claremont (7 mi). The firms on this page are rated from 4.4 to 5.0 across 1,474 reviews; 10 have 50 or more reviews and 14 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (96%), quality (88%) and responsiveness (84%). The topics that come up most in reviews of the firms on this page are "trust", "patient" and "understanding". 1 is open around the clock; 3 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 (4), probate (3), bankruptcy (2), conservatorship (2) and durable power of attorney (2). 4 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 37 years. 1 offers urgent consultations; 1 offers payment plans; 6 offer a free initial consultation and 1 is family- or locally-owned. 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 any estate planning firms listed for Ontario offer free consultations?
6 of the 15 firms on this page state that a first consultation is free. Free usually means a short meeting to scope the work and quote it, not drafting advice. Ask what the meeting covers when you book it.
Law Offices Of Tanya L Willis
“I recommend Tania she is the best lawyer ever she help me all my needs and she always answer your questions.”
Law Offices of Fernando J Bernheim
“They helped me years ago Everyone from the front office to the attorneys are so helpful, Fernando spoke up for me in court and is completely understanding of sensitive matters I had an attorney before and he just did nothing.”
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Law Office of Terrence Fantauzzi
“On the day of the hearing Terrance was there on the call and was able to answer all my questions.”
Gaudy Law
“Everything was completed in a timely manner and they worked with us as we took our time.”
C.S. Scarcella & Associates
“Extreme pleasure working with Chris and now not only do I have a wonderful attorney but I feel like I have a good friend”
Law Office of Priscilla Solario
“Solario was very understanding of my situation and did fight for a fair and equitable settlement for me.”
Law Office of Amanda M. Rice
“Amanda was very patient with us answering all of our questions and she brought up things that we never thought of or no other attorney mentioned.”
Law Offices of Douglas Borthwick
“I feel a great sense of relief due to his tremendous work and efforts.”
Nguyen Law Group
“This was very scary for me; however, he was very easing in my worries, and helped me out!”
Why these companies made our list
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