An experienced attorney is your best legal resource.

St. Peter Law Offices , P.C. is committed to providing its clients with effective and efficient professional representation.

St. Peter Law Offices P.C.

Our Practice Areas

Adoption Law

Linda has over 30 years of experience in step-parent, private, interstate, international, agency, adult, and contested adoptions. Learn More

Business Law

Incorporation, LLC Organization, hiring practices, guarantees, corporate taxes, contracts, sales, manufacturing, etc.

Learn More

Estate Planning

Creation and execution of wills for both testators and inheritors, establishment of Powers of Attorney, as well as trust creation and administration.

Learn More

Probate & Trust Law

Ensuring efficient and just probate of estates and administration of trusts, including cases of intestacy and contested wills.

Learn More

Real Estate Law

Montana real property law, including deeds, acquisition, estates in land, conveyancing, future use control, and nonpossessory interest.

Learn More

General Litigation

With experience in many fields of civil law, our legal team is prepared to help you succeed with your lawsuit.

Learn More

Read more about the practice areas of St. Peter Law Offices


Families who head to an attorney to discuss or put in place their powers of attorney, have, at some level, had a conversation about mortality, either with themselves or with their loved ones. The bottom line is the concept, forethought and some variety of a conclusion has transpired. In all likelihood a few particulars may have been overlooked; but the attorney can walk them through the process, sweeping up the previously untended details, to put together a succinct package that provides an appropriate safety net. Relief is achieved; life continues with a certain sense of confidence. Read More

About St. Peter Law Offices

Don C. St. Peter and Linda St. Peter established their law practice with the intention of providing a smaller more personal, client-oriented law firm.  Both Don and Linda had practiced in larger firms in Missoula, Montana, before deciding to develop their own business centered on quality legal services.  They have focused their practice on serving individuals, businesses, nonprofit corporations, and families.

Their Missoula firm was opened in July 1993 as St. Peter and Warren, P.C.  In December 2000, St. Peter & Warren, P.C. built their own building on North Reserve Street in Missoula, a busy business corridor which was then, in its early development.  In July 2008, the firm’s name was changed to St. Peter Law Offices.

St. Peter Law Offices, P.C., continues to provide transactional and litigation services.  The law firm’s experience and services to its clients is broad:

  • the formation and selection of business entities: corporations, limited liability companies, partnerships, limited partnerships,
  • tax advice and representation before the IRS and U.S. Tax Court
  • all kinds of adoptions, guardianships and conservatorships
  • advice and development of qualified retirement and non-qualified plans, the firm sponsors a prototype defined contribution plan.
  • estate planning, including wills, trusts, powers of attorney, and business succession planning
  • real estate, including easement and road issues
  • advising non-profit corporations
  • guiding families through the probate process
  • creation of condominiums
  • 1031 real estate exchanges,
  • low income housing tax credit projects

Don and Linda St. Peter enjoy their participation in the growth and development of the business community and the support of Montana families through their law practice.  St. Peter Law Offices, P.C., focuses its legal representation to maintain the trust and support its clients place in the legal services it provides.

We look forward to the opportunity to represent you in any of your legal matters.

Our Attorneys

Donald C St. Peter

Don C. St. Peter

Don is admitted to practice before the Montana Supreme Court, the United States District Court for the District of Montana, and the United States Tax Court.

His practice emphasizes retirement plans, employee benefits, estate planning, low income housing tax credit projects and corporate and commercial transactions.

Linda St. Peter

Linda’s practice includes general litigation, business law, estate planning, adoptions, conservatorship and guardianship proceedings. She is admitted to practice before the Montana Supreme Court, the United States District Court for the District of Montana, and the Ninth Circuit Court of Appeals.

Mike O'Brien

Mike’s practice includes all facets of litigation, including contract disputes, estate proceedings, and construction suits. Prior to working for St. Peter Law Offices, Mike oversaw the Business Services Division in the Montana Secretary of State’s Office and has expertise in small business legal issues, including corporate, limited liability company, and business entity formation, UCC filings, and business regulation.


Jason Harby

Jason’s practice emphasizes general estate planning as well as federal estate tax, gift tax, and generation skipping transfer tax planning, estate and trust administration, entity formation and taxation, business planning, corporate and commercial transactions, employee benefits, general tax planning, and tax controversies and procedure.

Our Work

Logan Nutzman joins the firm as an Associate Attorney

St. Peter Law Offices, P.C.,  is pleased to announce that Logan Nutzman has joined the firm as an associate attorney. Logan...

Trusts 101- Bozeman, MT December 6, 2019

JASON HARBY is an attorney with St. Peter Law Offices P.C., in Missoula. Mr. Harby’s practice emphasizes general estate planning, as...

The Probate Process From Start to Finish (Hosted by Don C. St. Peter and Jason Harby)

THE PROBATE PROCESS FROM START TO FINISH March 27, 2019 — DoubleTree by Hilton Hotel Missoula  100 Madison Street, Missoula,...

1 2 3 4 5 6 7 8