Wyoming Small Estate Affidavit: The $400,000 Threshold and How It Works

Wyoming made a sweeping change to its probate law in 2025 that most families haven't heard about: the small estate threshold doubled. Before July 1, 2025, an estate had to be valued under $200,000 to use simplified distribution procedures. Senate File 0104 raised that ceiling to $400,000 — and explicitly included real property and mineral rights in the calculation. For a state where modest ranch land and fractional mineral interests routinely push estates over the old limit, this change means tens of thousands of Wyoming families can now avoid formal probate entirely.

Understanding which simplified procedure applies to your situation — and how to calculate the estate's value correctly — is the entire game.

Two Simplified Procedures, Not One

Wyoming has two simplified procedures for small estates, and choosing the wrong one is a common, expensive error.

Affidavit for Distribution of Personal Property (sometimes called the small estate affidavit) applies when the estate consists entirely of personal property — bank accounts, vehicles, personal belongings, investment accounts — and does not include real estate or mineral rights. Under this procedure, an heir can simply execute a sworn affidavit stating that the estate qualifies, wait 30 days after the death, and present the affidavit directly to financial institutions or other asset holders to claim the property without any court filing.

Summary Distribution (W.S. 2-1-205) applies when the estate includes real property — a home, land, or subsurface mineral rights. This procedure requires a court filing in the District Court, public notice, and a formal decree from the court. It's still a simplified process compared to full probate, but it involves the judicial system in a way the affidavit does not.

Many Wyoming families incorrectly assume they can use the affidavit when the estate includes a home or ranch land. They cannot. The moment real property is in the picture, Summary Distribution is the required path.

The $400,000 Calculation: What Counts and What Doesn't

The $400,000 limit applies to the gross value of the decedent's Wyoming property, minus liens and encumbrances. The calculation is not as simple as it sounds.

What counts toward the $400,000:

• Real estate (home, land, ranch property, cabins, vacant lots)
• Subsurface mineral rights the decedent owned — these are classified as real property under Wyoming law and are explicitly included in the threshold calculation under the 2025 amendments
• Vehicles without a Transfer on Death designation
• Bank accounts without a Payable on Death (POD) designation
• Personal property, investment accounts, and business interests not held in trust

What does NOT count toward the $400,000:

• Life insurance with a named beneficiary — passes directly to the beneficiary, not through the estate
• Retirement accounts (IRA, 401k, 403b) with named beneficiaries
• Joint tenancy property with right of survivorship — passes to the surviving co-owner automatically
• Transfer on Death deeds already recorded for real estate
• Vehicle beneficiary designations under 2025's SF0039
• Payable on Death bank accounts
• Property held in a living trust

This is where the $400,000 limit creates far more room than it initially appears. A decedent with $1.2 million in assets can still have a qualifying small estate if most of those assets are non-probate transfers. A $1 million life insurance policy, $400,000 in a 401(k) with a named beneficiary, and a $200,000 home means the probate-eligible estate is only the $200,000 home — well under the threshold.

Why Mineral Rights Changed Everything

The most significant aspect of the 2025 law change is the explicit treatment of mineral rights. Wyoming's economy has historically centered on fossil fuel extraction, and many families — particularly in agricultural areas of eastern and southern Wyoming — hold fractional interests in subsurface mineral rights through a process of inheritance and subdivision over generations.

Before July 2025, a modest family ranch worth $150,000 in surface value could be pushed over the old $200,000 threshold by mineral rights worth $75,000–$100,000. That forced the family into expensive formal probate for what was, in practical terms, a modest estate.

The new law eliminates this problem for most families. A ranch worth $250,000 with mineral rights valued at $100,000 has a gross probate-eligible value of $350,000 — still under the $400,000 ceiling. For estates where mineral interests push the total above $400,000, formal probate (or aggressive pre-death non-probate planning) is still required.

The key valuation tool for estates near the threshold is a broker's price opinion from a real estate professional or mineral rights valuator. This sworn valuation is required for the Summary Distribution court filing and provides the documented basis for the gross estate calculation.

The 30-Day Waiting Period

Both simplified procedures require that 30 days pass after the decedent's death before any filing or affidavit can be executed. You cannot file for Summary Distribution or present an affidavit to a bank on day five. This waiting period is statutory and cannot be waived.

Use the 30 days productively:

• Order certified copies of the death certificate (needed for every asset transfer)
• Inventory all assets and determine which are probate vs. non-probate
• Obtain a broker's price opinion for real estate if needed
• Identify and notify known creditors

Avoiding Probate Entirely: The Transfer on Death Tools

If you're reading this for estate planning purposes rather than because someone just died, Wyoming now offers robust tools to keep an estate under the threshold or eliminate probate eligibility entirely:

Transfer on Death (TOD) deed — Under W.S. 2-18-103, property owners can record a TOD deed with the County Clerk that names a beneficiary for their real estate. The owner keeps full control during their lifetime and can revoke the deed at any time. At death, title transfers automatically to the named beneficiary without going through probate. Recording costs approximately $12 for the first page plus $3 per additional page.

Vehicle beneficiary designation — 2025's SF0039 (Enrolled Act 40) created a formal vehicle beneficiary designation form that allows Wyoming residents to name a beneficiary for their motor vehicle title. The vehicle transfers at death directly to the named beneficiary at the County Treasurer's office, without probate.

Payable on Death designations — Adding a POD beneficiary to bank accounts removes them from the probate estate immediately. This is typically a one-page form at the financial institution.

Joint tenancy — Adding a co-owner with right of survivorship to property means it passes automatically to the survivor at death. This is a more complex estate planning decision with its own tradeoffs (the co-owner gains immediate legal rights to the property), but it eliminates the asset from the probate estate.

Using these tools strategically can bring even a moderately complex Wyoming estate well below the $400,000 threshold — or eliminate the need for probate entirely.

Intestate Succession: When There's No Will

If the decedent died without a will and without beneficiary designations on key assets, Wyoming's intestate succession laws (W.S. 2-4-101) determine who inherits:

• Spouse and children: Spouse inherits 50%, children divide the remaining 50% equally
• Spouse, no children: Spouse inherits 100%
• Children, no spouse: Children inherit 100% equally
• No spouse or children: Parents and siblings inherit in equal shares

Wyoming does not distinguish between "whole blood" and "half blood" relatives — they inherit equally. Foster children and unadopted stepchildren have no statutory inheritance right.

Understanding the intestate hierarchy matters for Summary Distribution because the heirs (called "distributees") are the people who file the court application and receive the decree — if you're not sure who qualifies, the hierarchy tells you.

The full mechanics of Wyoming's Summary Distribution process — the court filing sequence, publication requirements, creditor notification, and the critical step of recording the decree with the County Clerk to actually perfect title — are covered in the Wyoming Funeral Laws & Consumer Rights Guide. For estates that include real property or mineral rights, getting those steps in the right order is the difference between a clean title transfer and a legal mess that takes years to untangle.

See more Wyoming guides →