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Steven O. "Steve" Sims

Denver, CO

Trusted general attorney serving Denver.

2
Bar admissions

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Steven O. "Steve" Sims is an attorney based in Denver, COLORADO. The practice focuses on General.

Based in
Denver, COLORADO
Experience
attorney
Known for
General
  • Handles General matters from Denver, COLORADO.
  • Recognized with Best Lawyers in America — Water Law (2026).

About Steven O. "Steve" Sims: Steven O. "Steve" Sims is an attorney based in Denver, COLORADO. The practice focuses on General.

Areas of practice

Practice focus

Steven O. "Steve" Sims represents clients in Denver, Colorado across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About Steven O. "Steve" Sims

Understands complexities of water litigation, acquisitions and transactions. In 40-plus year career has led 750 water litigations and over 20 Supreme Court appeals. Former senior water counsel and first assistant attorney general for the Water Unit of the Colorado Attorney General’s Office.

Steve Sims is a leading western water law attorney with a focus on water court litigation, water acquisition strategy and water transactions in the west. He brings four decades of experience representing municipal utilities, industrial and mining projects, oil and gas developments and real estate developments in water adjudications and permitting. He represents clients in the Colorado Water Courts as well as before the State Engineer and Groundwater Commission and the Boards of County Commissioners concerning 1041 permitting.

Steve’s track record of successfully negotiating, documenting and closing complex water rights transactions make him a respected authority in the industry. From the acquisition of water rights for new real estate developments to obtaining water rights for fracking in oil and gas developments, he ensures his clients have access to the resource most integral to their project.

Steve used his deep knowledge of water law on some of the region’s most significant projects including the City of Aurora’s $700 million Prairie Waters Project, and working on behalf of the New Mexico Interstate Stream Commission to transfer water rights on the Pecos River. Working throughout the western United States, he is the water lawyer clients seek when dealing with legally and technically complex and politically controversial projects.

Credentials

Education

  • Seattle University

    J.D. · 1979

Jurisdictions

Bar admissions

  • New Mexico, State Ba

    ACTIVE

  • Colorado, Colorado B

    ACTIVE

Recognition

Awards & honors

  • Best Lawyers in America — Water Law

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Natural Resources Law

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — Chambers USA, 2011-2014

    2026

  • Best Lawyers in America — Appointed by Governor Ritter to Colorado Water and Power Authority Board of Directors

    2026

  • Best Lawyers in America — Colorado Super Lawyers

    2026

Locations

Office locations

Main office

675 Fifteenth Street, Suite 2900

Denver, Colorado 80202

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Client reviews

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Frequently asked

Common questions

  • What areas of law does Steven O. "Steve" Sims practice?

    Steven O. "Steve" Sims focuses on General.

  • Where is Steven O. "Steve" Sims located?

    Steven O. "Steve" Sims primarily serves clients in Denver, Colorado, with an office at 675 Fifteenth Street, Suite 2900.

  • Is Steven O. "Steve" Sims a verified attorney?

    Steven O. "Steve" Sims's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with Steven O. "Steve" Sims?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 303-223-1100.