About
Katie J. Maehl is a Montana attorney at Moulton Bellingham PC whose practice focuses on estate matters, real estate law, commercial transactions, banking and corporate finance, estate planning, land use, and tax. She advises individuals and businesses on legal matters involving property, financial arrangements, succession planning, taxation, and transactional issues. Her work draws on experience across several related practice areas, allowing her to address matters that require coordinated attention to business objectives, ownership interests, tax consequences, and long-term planning.
Katie earned her B.S. in Business Administration – Accounting with high honors from the University of Montana, and her J.D. with honors from the University of Montana School of Law. She earned her LL.M. in Taxation from New York University School of Law. During law school, she received the Non-Profit Organizations award and served as Managing Editor of the Montana Law Review. She also spent summers clerking with the US Attorney’s Office in Billings and in private practice.
Katie is admitted to practice before Montana District Courts, the Montana Supreme Court, the US District Court for the District of Montana, and the US Court of Appeals for the Ninth Circuit. Her background in accounting and advanced tax law complements her work involving estate planning, real estate, corporate finance, and commercial transactions. She has built a practice that combines transactional guidance with tax-focused analysis for clients addressing property, business, financing, and estate-related legal needs.
Katie J. Maehl is a member of the Yellowstone County Bar Association and has served in community leadership roles, including as an advisory board member of the Billings Community Foundation and a member of the Board of Directors of ZooMontana. Her professional recognition includes selection as a Billings Gazette “40 Under Forty” honoree and recognition in Best Lawyers in America for Real Estate. Her combination of accounting, tax, real estate, and transactional experience supports clients navigating complex financial and planning matters in Montana. She provides practical legal guidance grounded in careful analysis and long-term perspective.
Law Office Affiliations
- Attorney, Moulton Bellingham PC
- Member, State Bar of Montana
- Member, Yellowstone County Bar Association
Licensed State
- Montana
Education
- New York University School of Law
Master of Laws (LLM) - University of Montana School of Law
Juris Doctor (JD) - University of Montana
Bachelor of Science (BS)
Awards & Badges

- Banking & Finance
- Corporate & Incorporation
- Tax
- Power of Attorney
- Trusts
- Wills & Living Wills
- Commercial Real Estate
- Land Use & Zoning
- Residential Real Estate




