Gabriella Stockmayer

Gabriella joined Dietze and Davis, P.C. as an associate in 2013.  Her diverse practice includes energy and utility law, water law, real estate law, environmental law, and general civil litigation. 

In her energy and utility practice, Gabriella has extensive regulatory experience before the Colorado Public Utilities Commission and the Federal Energy Regulatory Commission, including utility rate cases, energy efficiency proceedings, electric resource planning, and application dockets.  Gabriella also practices before the Federal Energy Regulatory Commission in matters related to hydropower development and Qualifying Facilities under the federal Public Utility Regulatory Policies Act (PURPA), and has experience in environmental compliance issues involving the Colorado Department of Public Health and Environment.

Gabriella also represents clients in matters involving real estate and water law issues, including water rights title transfers, ditch easement issues, and water rights administration.  She has assisted clients in Water Divisions 1, 2, 3, and 6, and in the Colorado Supreme Court. 

In her real estate law practice, Gabriella assists clients with transactions such as real estate purchase and sales and easement agreements, as well as disputes involving boundary disputes or other property matters.  

 In the area of civil litigation, Gabriella counsels clients and litigates on their behalf in claims for and defending against breach of contract, consumer fraud, and civil rights. 

Gabriella received her law degree from the University of Colorado Law School in 2011, in conjunction with a Master’s degree from the university’s Environmental Studies program.  During her graduate studies, Gabriella focused on environmental and natural resources issues, and gained valuable legal experience in these areas while interning with the Colorado Attorney General’s Natural Resources and Environment Section, and clerking with Xcel Energy’s Office of General Counsel.  Following law school, Gabriella clerked for the Honorable Daniel M. Taubman of the Colorado Court of Appeals. 

Gabriella currently serves on the Executive Council for the Natural Resources and Energy Section of the Colorado Bar Association. She is actively involved in the Boulder legal community through its local bar associations, having served as Co-Chair of the Natural Resources and Environmental Law Section of the Boulder County Bar Association and as Co-Chair for the Young Lawyers Division of the Boulder Bar in past years. She recently served on the Board of Directors of the Women’s Energy Network, Colorado Chapter.  She performs Pro Bono work with Boulder County Legal Services and through the Colorado Bar.


  • Energy and Utility Law

  • Water Law

  • Civil Litigation

  • Environmental Law

  • Real Estate Law


University of Colorado School of Law, J.D. 2011
University of Colorado, M.S. Environmental Studies, 2011
Cornell University, B.A. Biology, 2003


State of Colorado
U.S. District Court, Colorado
U.S. Court of Appeals for the Tenth Circuit



  • Executive Council, Natural Resources and Energy Section of the Colorado Bar Association (2018 – Present)

  • Networking Director, Women’s Energy Network, Colorado Chapter (2017-2018)

  • Co-Chair, Natural Resources and Environmental Law Section of the Boulder County Bar Association (2015-2017)

  • Co-Chair, Young Lawyers Division of the Boulder County Bar Association (2013-2014)

  • With Mark Detsky, Electric Vehicles: Rolling Over Barriers and Merging With Regulation, William and Mary Environmental Law and Policy Review, Vol. 40, No. 2 (March 2016).

  • Stockmayer, G. et al. Limiting the Costs of Renewable Portfolio Standards: A Review and Critique of Current Methods. 2012 ENERGY POL'Y 155.

  • Co-author: Environmental Law, 2013 Annual Survey of Colorado Law, (43rd ed.); 2014 Annual Survey of Colorado Law (44th).