Rule Against Perpetuities: What It Is, How It Works
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What is the rule against perpetuities?
The rule against perpetuities is a legal principle many states use to prevent someone from controlling property long after they die. Generally, control over a property can’t extend more than 21 years past the death of a specific person living and identified in your will, trust or deed.
The rule against perpetuities is notoriously complicated, and it’s established through common law, meaning it is based on previous court decisions rather than specific legal statutes. Because of this, the rule against perpetuities may vary depending on your state.
» Learn more: NerdWallet’s guide to estate planning basics
Pros and cons
Advantages | Drawbacks |
|---|---|
Prevents long-previous legal documents from affecting current property ownership. | Can prevent families from guaranteeing property ownership to future generations. |
Allows descendants to buy and sell property without being blocked by a grandparent’s will, for example. | Can void an estate plan, will or property deed if the rule is violated. |
How the rule against perpetuities works
Essentially, the rule against perpetuities is intended to prevent property owners from using legal tools to create a “future interest” (a transfer of ownership) that “vests” (activates) long after they die.
For example, Lisa has a daughter, Jane, and a son, Jack. Lisa decides to leave her farm to her son Jack in her will. Jack has no children when Lisa makes the will, so she adds a clause stating that any children he has later will inherit the farm and take over their share of the business once each of those children turns 25.
However, after Lisa dies, Jack has a child but then dies when the child is two years old. Under the terms of Lisa’s will, Jack’s child can’t inherit the property until they turn 25, which is more than 21 years after Jack's death. This timeline violates the rule against perpetuities, and thus the state could void the property transfer that Lisa planned in her will.
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 |  |
|---|---|
Price (one-time)Will: one-time fee of $199 per individual or $299 for couples. Trust: one-time fee of $499 per individual or $599 for couples. | Price (one-time)$89 for Basic will plan, $99 for Comprehensive will plan, $249 for Estate Plan Bundle. |
Price (annual)$19 annual membership fee. | Price (annual)None |
Access to attorney supportYes | Access to attorney supportYes |
Why the rule against perpetuities matters
If you own property, are in the estate planning process and are curious about how to ensure certain heirs or organizations inherit your estate, or you want to ensure that land you own remains open space, it’s helpful to know about the rule against perpetuities.
However, the rule against perpetuities is notoriously difficult to understand and apply, so be sure to consult a qualified estate planning attorney if you have questions.
If you violate your state’s rules by planning a property transfer that can’t vest within the legal limit, when you die your family or intended beneficiaries may have difficulties getting through the probate process — or successfully claiming the bequests you left to them.
Each state has its own stance on the rule against perpetuities. Several have extended the waiting period for property to vest, and some have even repealed it completely.
Over half of U.S. states have adopted some version of the Uniform Statutory Rule Against Perpetuities, which uses a “wait-and-see” approach to allow the interest 90 years to vest.
» Learn the difference: Wills vs. trusts
Tax implications of the rule against perpetuities
A trust can shield property from the generation-skipping transfer, or GST, tax, which can kick in if you give more to grandchildren or relatives two or more generations younger than you.
Many states allow property in an irrevocable trust to avoid a transfer tax for many years or even indefinitely. Because of this new loophole, the U.S. Department of the Treasury has proposed a law to put a time limit on this exemption, meaning that people in states where the rule against perpetuities has been significantly softened or abolished will no longer be able to take advantage of the tax benefit.
Compare online will makers
Company | NerdWallet rating | Price (one-time) | Price (annual) | Access to attorney support | Learn more |
|---|---|---|---|---|---|
Ease of use Trust & Will - Will Get started on Trust & Will's website | Will: one-time fee of $199 per individual or $299 for couples. Trust: one-time fee of $499 per individual or $599 for couples. | $19 annual membership fee. | Yes | Get started on Trust & Will's website | |
State-specific legal advice LegalZoom - Last Will Get started on LegalZoom's website | $89 for Basic will plan, $99 for Comprehensive will plan, $249 for Estate Plan Bundle. | None | Yes | Get started on LegalZoom's website | |
Comprehensive services  Nolo’s Quicken WillMaker - WillMaker Get started on Nolo's website | None | $99 to $209 per year. | No | Get started on Nolo's website | |
 Mama Bear Legal Forms Learn more on NerdWallet | $149 | $0 but $29 for one-time update | No | Learn more on NerdWallet | |
Free will software  Do Your Own Will - Will Learn more on NerdWallet | Free | None | No | Learn more on NerdWallet |
