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Colby M. Lessmann - Sioux City, IA

613 Pierce Street Sioux City, IA 51101

Super Lawyers®

1

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Updated: 05/22/2025

Sioux City Estate Planning Lawyer

Overview

Attorney Colby M. Lessmann was born and raised in Sioux City, Iowa, and is a graduate of Sioux City North High School. Colby graduated from the University of South Dakota School of Business (B.S., 1996) and School of Law (J.D., 1999). During his law school education, he published a casenote in the South Dakota Law Review (1998) and was both the Managing Editor and the Production Editor for Volume 44 of the South Dakota Law Review (1998-1999). After graduating from Law School, Colby clerked for Justice Robert Amundson of the South Dakota Supreme Court in Pierre, South Dakota. In August 2000, upon completion of his clerkship, Colby returned to practice law in Sioux City, Iowa, where he practices in Iowa, Nebraska and South Dakota in the areas of General Litigation, Estate Planning, Wills, Trusts, Probate, Landlord Tenant Law, and Collections.

Colby is a member of the State Bar Associations for Iowa, Nebraska and South Dakota. He is a member of the Probate Section for the Iowa Bar Association, the Woodbury County (Iowa) and Dakota County (Nebraska) Bar Associations, as well as a member of the Iowa Trust and Estate Council and the Iowa Association for Justice (formerly Iowa Trial Lawyers Association). He is also licensed to practice in the United States District Courts for the Northern District of Iowa, the District of Nebraska, the District of South Dakota, the United States Court of Appeals for the 8th Circuit, the United States Court of Federal Claims, and the United States Supreme Court.

About Colby M. Lessmann

Practice Areas

  • Estate Planning
  • Probate
  • Will Contests
  • Real Estate Property
  • Landlord-Tenant
  • Business Collections
  • Personal Injury
  • Guardianship/Conservatorship
  • Judgment Enforcement and Collection
  • Collections
  • Business Law
  • Collection Litigation
  • Commercial Litigation
  • General Litigation Matters
  • Car Accidents
  • Wrongful Death
  • Dog Bites

Litigation

  • 25%

Current Employment Position(s)

  • Partner

Languages

  • English (Primary)

Qualifications

Bar Admissions

  • South Dakota, 2000
  • Iowa, 2000
  • Nebraska, 2002
  • U.S. District Court Northern District of Iowa, 2002
  • U.S. District Court District of South Dakota, 2002
  • U.S. District Court District of Nebraska, 2002
  • U.S. Court of Appeals 8th Circuit, 2005
  • U.S. Court of Federal Claims, 2003
  • Supreme Court of the United States of America, 2005

Specialties and Certifications

  • Estate Planning, National Association of Estate Planners & Councils, 2020

Other Affiliations

  • District 3B Judicial Nominating Commission, 2024 - Present (Elected member)
  • Iowa State Bar Association – Probate, Property and Trust Law Section, 2006 - Present
  • Iowa Academy of Trusts and Estate Counsel, 2013 - Present
  • Siouxland Estate Planning Council, Inc., 2019 - Present
  • National Association of Estate Planners & Councils (NAEPC), 2020 - Present (Member)
  • Nebraska State Bar Association, 2002 - Present
  • Iowa Association for Justice, 2002 - Present
  • American Association for Justice, 2002 - Present
  • Woodbury County Bar Association, 2000 - Present
  • South Dakota State Bar Association, 2000 - Present
  • Siouxland Center for Active Generations, 2019 - Present

Education

  • University of South Dakota School of Law, Vermillion, South Dakota, May, 1999
    Juris Doctorate
    Law Review: South Dakota Law Review, 1998 - Present
    Law Review: South Dakota Law Review, Managing and Production Editor for Volume 44, 1998 - 1999
  • University of South Dakota, Vermillion, South Dakota, May, 1996
    B.S., Bachelor of Science
    Major: Business Administration

Past Positions

  • South Dakota Supreme Court, Clerk, August 1, 1999 - July 31, 2000
  • Munger, Reinschmidt & Denne, LLP, Associate Attorney, August 1, 2000 - August 31, 2010
  • Vriezelaar, Tigges, Edgington, Bottaro, Boden & Ross, LLP, Associate/Partner Attorney, September 1, 2010 - Present

Pro Bono Activities

  • Izaac Walton League of America – Woodbury County Chapter, Member, 2015 - Present
  • Cubmaster – Cub Scout Pack 225, 2012 - 2020
  • Siouxland Fly Fisherman’s Club, Member, 2014 - Present

Classes and Seminars

  • Iowa Middle School Mock Trials, Iowa State Bar Association, November 19, 2024
  • Estate Planning, Probate, Trusts & Wills, Siouxland Center for Aging, May 8, 2019 - Present
  • Elective Share in Iowa Probate, Iowa State Bar Association - Annual Meeting, June 15, 2013 - Present
  • Lessons Learned in Efiling in Iowa, Iowa State Bar Association - Annual Meeting, June 15, 2012 - Present
  • Guardianship / Conservatorship Update: New Procedural Hurdles to Settling Cases For Minors and Incapacitated Clients, IAJ Personal Injury Seminar, March 4, 2022

Achievements

Other Sources of Feedback About Colby M. Lessmann

Included on the 2025 Great Plains Super Lawyers list

View the profile for Colby M. Lessmann on Super Lawyers

Honors

  • Great Plains Super Lawyers: Top-Rated Estate Planning & Probate Attorney, 2025
  • Best Lawyers®: The Best Lawyers in America for Trusts and Estates, 2024 - 2025
  • Expertise.com: Best Probate Lawyers in Sioux City, 2022 - 2025
  • Avvo - Clients' Choice Award, 2024
  • Martindale-Hubbell - AV Preeminent, 2021 - Present
  • Avvo - Clients' Choice Award, 2023
  • Best Lawyers - Best Law Firm - Trusts & Estates Law (Metropolitan Tier 2), 2023
  • Best Lawyers - Best Law Firms – Personal Injury Litigation-Plaintiffs (Metropolitan Tier 2), 2023
  • Best Lawyers - Top-Listed City Awards (Total Lawyers in Sioux City: 5 lawyers), 2023
  • Martindale-Hubbell - Client Champion - Gold, 2022
  • Best Lawyers - Best Law Firm - Trusts & Estates Law (Metropolitan Tier 2), 2021 - 2022
  • Best Lawyers - Top-Listed City Award, 2021 - 2022
  • National Association of Estate Planners & Councils - Accredited Estate Planner (AEP) Designation, 2020
  • Martindale-Hubbell - Client Champion - Silver, 2020
  • Avvo - Clients' Choice Award, 2019

Photo

Office Information

Address

613 Pierce Street Sioux City, IA 51101

Fax

  • 712-252-4873

Payment Plans Accepted

Yes

Accepts Credit Cards

Yes

Office Hours

8:00 a.m. - 5:00 p.m.

Publication

Articles

  • Your Minor Child Was Recently In a Car Accident - How Do You Resolve Your Child's Personal Injury Claim?, Firm bLAWg, March, 2022
    Are you going after the negligent party to recover money for the damages your son or daughter sustained in the crash? If your answer to these questions is YES, there are several things you need to consider in pursuing the claim for your child.
  • Challenging A Will aka Will Contest, Firm bLAWg, August, 2021
    It is not enough to set aside or contest a Will because a person thinks it is unfair. Rather, there are certain grounds which must be timely raised by the claimant, and the claimant has the burden of proving those contestable grounds exist.
  • Common Estate Planning Questions, Firm bLAWg, December, 2020
    We have all heard stories and experiences of families fighting over real estate or personal property after a loved one has passed away. Creating a plan for the smooth transition of your Estate and to make sure your loved ones are taken care.
  • Estate Planning for Unmarried Couples & Common Law Spouses, Firm bLAWg, June, 2020
    The love of your life passed away before you were able to get married. Now, his family is pushing you out and is taking over all of his assets, and is not allowing you to retrieve your personal belongings out of the home.
  • Bad Faith Refusals to Settle in Nielsen v. Boos, South Dakota Law Review, Volume 43; Issue 3, 1998

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By Cindy W. on Jul. 31, 2023
Verified Client

4.5 out of 5 stars

We had an awesome experience with Colby. Would highly recommend him with estate planning or anything. Only positive things to say. Will contact him again to tweak a thing or two in our will to change executor. Highly recommend!

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Lessmann, Colby M.

Lessmann, Colby M.

of Tigges, Bottaro & Lessmann, LLP replied on Jul. 31, 2023
Cindy, thank you for your kind words! It was truly a pleasure to work with you on your Estate Planning. I am always available for any changes you may have in the future.
By Anonymous on Oct. 18, 2024
Verified Client

5.0 out of 5 stars

I would highly recommend Colby and team. They made the process so easy. A very efficient, thorough and friendly team.

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By Anonymous on Oct. 18, 2024
Verified Client

5.0 out of 5 stars

Colby was a nice intelligent lawyer. He helped my wife and I with updating our Will and power of attorney’s for medical and financial. He asked good questions as well as helped with our questions. He also was very fast from our initial meeting to our last meeting where documents were signed and notarized. I would recommend Colby.

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By Anonymous on Aug. 30, 2024
Verified Client

4.5 out of 5 stars

Easy to work with, explained the legal process and what I needed to do. Answered my questions in a timely manner.

By Christina E. on Aug. 29, 2023
Verified Client

5.0 out of 5 stars

Colby is so easy to work with and talk to. He is incredibly knowledgeable in estate planning. I always thought of completing a will as such an undertaking and he made everything seem less. The peace of mind I now have knowing that aspected of my life taken care of is priceless, and was his services are incredibly affordable.

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By Charles A. on Aug. 23, 2023
Verified Client

5.0 out of 5 stars

everything was explained so we could understand it!!

Call us at 712-526-0010

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Firm Address

Fax:
712-252-4873
Google Map
613 Pierce Street Sioux City, IA 51101

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