Diane Marie Hartog

PRO

Diane Marie Hartog

4.3
Rating: 8.6

Licensed for 29 years

Family Lawyer at Rancho Cucamonga, CA
Practice Areas: Family, Adoption, Child Support ... +3 more

10700 Civic Center Drive, Suite 200, Rancho Cucamonga, CA

About Diane

Biography

Quality legal service, putting family first.

Practice Areas

6

Practice Areas

Adoption 17%

30 years

17%
Child Support 17%

30 years

17%
Divorce and Separation 17%

30 years

17%
Family 17%

Umbrella term pertaining to divorces, legal separations, custody and visitation, support, division of assets, etc.

30 years | 1,000 cases

17%
Mediation 16%

16%
Wills and Living Wills 16%

Wills And Trusts

16%

Fees and Rates

Cost

Hourly Rates

$ 400-400 per hour


Payment Methods

  • Cash
  • Check
  • Credit Card

Licenses

Licensed in California for 29 years

State: California

Acquired: 1997

Active

No misconduct found

Location

Law Offices of Diane M Hartog

10700 Civic Center Drive, Suite 200, Rancho Cucamonga, CA, 91730

dianemhartoglaw.com/

Diane Marie Hartog's Reviews

Avvo Review Score

4.3 /5.0

11 Client Reviews

Filter Avvo Reviews (11) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 1 - 5 of 11 reviews

Posted by Dave | July 02, 2026 | Hired Attorney

Diane will handle all complexities of your case with care and dedication.

Diane has represented me through two divorces over the past several years, and she has done an outstanding job. She protected my interests every step of the way and helped me avoid situations that could have placed me at a significant disadvantage. I highly recommend Diane. She is aggressive when ...it matters, thoroughly prepared, and never backs down when opposing counsel makes false or misleading statements. She is absolutely fearless in the courtroom. While I've seen other attorneys become intimidated by a tough judge or a confrontational opposing party, Diane remains calm, confident, and focused. She stands her ground, advocates relentlessly for her clients, and consistently fights for the best possible outcome.

Posted by anonymous | July 02, 2026 | Hired Attorney

LOOK NO MORE!

I cannot recommend my attorney highly enough. From the very beginning, she treated me with kindness, respect, and genuine care. She took the time to explain every step of the legal process, answered all of my questions, and made sure I always felt informed and supported. What impressed me the most w...as her professionalism, attention to detail, and dedication to my case. She fought for my best interests, stayed prepared, and communicated with honesty and integrity throughout the entire process. During a stressful time, she gave me confidence and peace of mind because I knew I had someone who truly cared about achieving the best possible outcome. If you are looking for an attorney who is knowledgeable, compassionate, responsive, and willing to go above and beyond for her clients, I wholeheartedly recommend her. I am incredibly grateful for everything she has done for me and my family. Thank you for your outstanding representation and unwavering commitment. You are truly exceptional.

Posted by anonymous | April 14, 2020 | Hired Attorney

Highly Recommended

Diane has been my attorney for many years. I have been in an ongoing and intense custody case, brought on by my ex, for many years. Diane has always been honest and upfront about all of the possible outcomes when it pertains to my case and is a forceful, and knowledgeable, presence when dealing with ...my ex, his attorney, and in the courtroom. I feel very fortunate to have Diane by my side when it comes to my legal issues, even after many years. The legal system has always favored on my side, thanks to Diane.

Posted by Happy man | March 07, 2019 | Hired Attorney

Caring and compassionate and such a great team!

I feel comfortable with Diane's office after consulted with other attorneys. I got her contact through friend, friend and someone that lost case to Diane's office. Diane and her team were sensitive to my need and emotion. Answered questions that may have seemed petty with respect and dignity. Th...ey working tirelessly to ensure the best possible outcome on my behalf, and I can't thank you enough to Diane, Sara and Annie. I recommend to anyone. God Bless You Ladies

Posted by Kari | February 27, 2019 | Hired Attorney

Love her!

Not only is Diane compationante and understanding, she truly has your best interests in mind when you are her client. Diane has represented me on 2 separate occasions now. Divorce with custody and then an emergency Custody hearing. She has become not only my attorney but also a friend I proudly cal...l family. I have referred more clients then I can count to her! Love her!

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Diane Marie Hartog's Lawyer Endorsements

Endorse Diane
Amanda Marie Francuz headshot
Amanda Francuz

Family lawyer | May 05

Relationship: Worked together on matter

"Diane is a consummate professional. She is phenomenal and is always a challenging and respectful opposing counsel. She understands family law courts and how to manage a case with opposing counsel."

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Experience

Rating:  8.6 (Excellent)

Work Experience

2000 - Present

Owner, Law Offices of Diane M. Hartog

Associations

2010 - Present

Western San Bernardino County Bar Association

Immediate past president, Board of Director

2006 - Present

East West Family Law Council

Board of Director

Education

1996

California Southern Law School

JD - Juris Doctor

1995

California Southern Law School

BS - Bachelor of Science

1983

California State University, Fullerton

BA - Bachelor of Arts

Languages

Spanish

English

Avvo Rating

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Avvo Rating Levels
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