Rossberg Law Office, L.L.C.Member

Sunday Z. Rossberg

About Sunday Z. Rossberg

Sunday Z. Rossberg is a lawyer practicing family law, child custody, divorce and 14 other areas of law. Sunday received a B.A. degree from Carroll College in 1991, and has been licensed for 30 years. Sunday practices at Rossberg Law Office, L.L.C. in Great Falls, MT.

Awards

Reviews for Sunday

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Overall Rating
Showing 1-7 of 7 client reviews from Lawyers.com
Lawyers.com Rating Snapshot
5 stars
86%
4 stars
0%
3 stars
0%
2 stars
0%
1 star
14%
What do people say on Lawyers.com?
Communication
4.4
Quality of Service
4.4
Responsiveness
4.4
Value for Money
4.4
Divorce
Posted by Rebecca
January 26, 2026
Hired Attorney

I have no doubt that I would have lost everything had I not had Sunday as my lawyer. *Divorce, *Parenting Plan, *Child Support, her knowledge & experience has really showed. She knew my divorce was going to be a circus from my very first visit. Boy was she right! Her ability to stay ahead of the flying monkeys has been worth every penny. Sunday and her paralegal, Angie, make a great team. I don't have to concern myself with deadlines because they have everything under control. If I had it to do all over again, I might change a few things, but my legal team would never be one of them.

 
Family Law
Posted by anonymous
May 09, 2017
Hired Attorney

Sunday is every bit the Smart savy Lawyer described to me. I retained her to fight an uphill battle for custody of my children. We won! She knew when to attack, or when to withdraw. She is worth every penny and is by far the best attorney in the state!

Family Law
Posted by anonymous
March 08, 2017
Hired Attorney

I recently had Sunday Rossberg represent me in custody and parenting plan , Sunday did Wonderful job and I would recommend her to anyone needing and great attorney very professional and very intelligent thank you Sunday for getting the job done!

Family Law
Posted by anonymous
May 10, 2015
Hired Attorney

I have never met a more intelligent, diligent and compassionate attorney as Ms. Sunday Rossberg is. She will do and does put everything she knows about family law into play during what is usually a difficult and turbulent time in a person's life. Beyond that she is a truly wonderful human being who is a vital asset to this community and to the Montana legal system. I would employ her services again and I recommend her time and time again to those in need of a family law advisor.

 
Family Law
Posted by anonymous
October 21, 2013
Hired Attorney

Sunday Rossberg is a wonderful attorney. She is willing to do all she can within in the power of law to assist you with your case. Beyond that she is a great person who cares about people. I am and always will be grateful to her help and support during a very difficult time in my life and I take heart in knowing I can contact her in the future for any questions that may arise.

 
Family Law
Posted by anonymous
October 15, 2013
Hired Attorney

Sunday Rossberg is a true asset to her profession. She handled my divorce matters with the utmost care and compassion. I would strongly recommend her services.

Child Custody
Posted by anonymous
August 01, 2019
Hired Attorney

If I could give her a 0, I would! First she lost my papers, then she charged me insane amounts for things she didn’t do, then she did things that were not required and charged me for it! Her and her assistant are both absolutely rude, asked me one time “what do you wanna do, fire us” in a really snobby way! I have several friends that consulted with her and opted for a different lawyer, I suggest you do the same!

 

Services

Areas of Law

  • Family Law 5
    • Child Custody
    • Divorce
    • Military Divorce
    • Visitation Rights
    • Child Support
  • Restraining Orders
  • Personal Injury 1
    • Automobile Accidents
  • Civil Rights
  • Other 7
    • Spousal Maintenance
    • Alimony
    • Grandparents Right
    • Complex debt and asset distributions
    • Farm and Ranch Divorces
    • Customized Parenting Plans
    • Parental Alienation

Practice Details

  • Firm Information
    Position
    Member
    Firm Name
    Rossberg Law Office, L.L.C.

Experience

  • Bar Admission & Memberships
    Admissions
    1996, Montana
    Memberships
    State Bar of Montana
    Montana Trial Lawyers Association.
  • Education & Certifications
    Law School
    University of Idaho College of Law
    Class of 1995
    J.D.
    Other Education
    Carroll College
    Class of 1991
    B.A.
    Communication Studies and Political Science
  • Personal Details & History
    Age
    Born in 1969
    Great Falls, Montana, 1969
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