A will contest can freeze an estate for months or even years, draining money that was meant for the people you love. The good news is that most of the reasons a will gets challenged in New York are entirely preventable. Knowing how to write a will that holds up in Surrogate’s Court is the single best defense against a family fight after you’re gone.
Below, we walk through the most common grounds for contesting a will in New York, why they succeed or fail, and the specific drafting and execution steps that keep your last will and testament out of the courtroom.
What Does It Mean to “Contest” a Will?
Contesting a will means a person with legal standing — usually a spouse, child, or someone named in a prior will — formally objects to the document being admitted to probate. They must file objections in Surrogate’s Court and prove one of a limited set of legal grounds. Simply disliking how the estate was divided is not, by itself, enough.
New York courts take will contests seriously but don’t make them easy to win. Still, even an unsuccessful challenge can delay estate administration and generate legal fees that come out of the estate. That’s why prevention matters as much as winning.
The Most Common Reasons Wills Get Contested in New York
1. Lack of Testamentary Capacity
This is the most frequent challenge. Objectors argue the person who signed the will (the “testator”) didn’t understand what they were doing — the nature of their property, the people who would naturally inherit, or the effect of signing the document. Dementia diagnoses, hospital records, or medication timelines are often used as evidence.
- Prevention: Have the will prepared and signed while capacity is clearly documented, ideally with a contemporaneous doctor’s note if there’s any health concern.
- Use an attorney who asks capacity-testing questions and notes your responses at signing.
- Avoid last-minute changes made during hospitalization or serious illness without extra documentation.
2. Undue Influence
This claim alleges that someone — often a caregiver, new spouse, or one favored child — pressured or manipulated the testator into signing a will that doesn’t reflect their true wishes. Courts look closely at sudden changes that favor whoever was closest to the testator near the end of life.
- Prevention: Meet with your attorney alone, without the influencing party present, at least for part of the consultation.
- Document the reasoning behind unequal distributions in your own words.
- Be cautious about a caregiver or new romantic partner driving the process of getting a will changed.
3. Fraud
Fraud claims allege the testator was deceived — for example, told they were signing a different document, or given false information that changed how they distributed their estate. This is harder to prove than undue influence but still shows up in contested cases.
4. Improper Execution
New York has strict formalities under EPTL 3-2.1. A will must be:
- Signed at the end of the document by the testator
- Signed in the presence of two witnesses (or acknowledged to them within a reasonable time)
- Witnessed by two people who also sign, generally within 30 days of each other and of the testator’s signature
Skip a formality — one witness instead of two, a witness who isn’t actually present, a signature in the wrong place — and the entire document can be thrown out. This is one of the easiest problems to avoid and one of the most common reasons DIY wills fail. Working with an attorney to properly draft and execute your last will and testament all but eliminates this risk.
5. Revocation by a Later Document
Disputes arise when there are multiple wills, undated drafts, or a will that references an earlier version that was supposedly revoked. If your estate plan has been updated over the years, unclear paperwork trails invite arguments over which version actually governs.
6. Forgery
Less common but serious — a claim that the signature itself isn’t genuine. Proper witnessing procedures, notarized self-proving affidavits, and an attorney’s file notes all help defeat this type of claim quickly.
7. Ambiguous or Contradictory Language
A will doesn’t have to be fraudulent to cause a fight — it just has to be unclear. Vague descriptions of property, outdated beneficiary names, or language that seems to contradict itself gives an unhappy heir an opening to argue the document doesn’t say what the executor claims it says.
How to Write a Will That’s Difficult to Contest
Learning how to write a will strategically — not just legally — is about closing off the arguments a disappointed heir might try to raise later. A few habits make an enormous difference.
Work With an Attorney, Not a Template
Generic “freewill” templates and online will and trust kits are drafted for the average case, not your family. They rarely account for New York’s specific execution requirements, blended family dynamics, or how to properly disinherit someone without creating an opening for a challenge.
Use a Self-Proving Affidavit
New York allows witnesses to sign a sworn affidavit at the time of execution confirming the will was properly signed and witnessed. This affidavit can allow the will to be admitted to probate without requiring witnesses to testify later — a major advantage if a witness has since died, moved, or become uncooperative.
Choose Witnesses Carefully
Pick witnesses who are not beneficiaries, are mentally competent, and are likely to be reachable years from now. Attorneys and their staff often serve as witnesses precisely because they’re reliable and neutral.
Explain Unequal Distributions
If one child is receiving more than another, or someone expected to inherit is left out, a short written explanation — sometimes handled through a letter of intent or discussed openly during drafting — reduces the “this doesn’t make sense” argument that fuels undue influence claims.
Keep the Document Updated
Old wills that don’t reflect a divorce, remarriage, new grandchild, or death of a named executor create confusion. Revisit your will and trust documents every few years or after any major life event.
Consider a Trust Alongside Your Will
Assets held in a properly funded living trust pass to beneficiaries outside of probate entirely, which means they generally aren’t subject to a will contest at all. For families worried about conflict, pairing a will and trust strategy provides an extra layer of protection and privacy.
Wills vs. Trusts: Which Offers More Protection From a Challenge?
| Factor | Last Will and Testament | Living Trust |
|---|---|---|
| Goes through probate | Yes | No (assets funded into it) |
| Public record | Yes, once probated | No, stays private |
| Can be contested | Yes, in Surrogate’s Court | Rarely; harder and costlier to challenge |
| Controls asset distribution | Yes | Yes |
| Requires ongoing funding/maintenance | No | Yes, assets must be titled to the trust |
Many New Yorkers use both: a will to catch anything left outside the trust and name an executor and guardians for minor children, and a trust to move major assets — like real estate or investment accounts — outside the probate process. Learn more about how the two work together on our trusts page.
What Happens if a Will Is Successfully Contested?
If a court finds a will invalid, it typically looks to an earlier valid will, if one exists. If there is none, the estate passes under New York’s intestacy laws, which distribute assets according to a fixed statutory formula regardless of what the deceased actually wanted. That outcome is exactly what careful drafting is meant to prevent.
Steps to Take Now to Reduce Contest Risk
- Have your will professionally drafted and executed with proper witnessing and a self-proving affidavit.
- Store the original in a safe, known location and tell your executor where it is.
- Review and update your estate plan after marriage, divorce, births, deaths, or major asset changes.
- Discuss uneven distributions with the family member affected, or document your reasoning in writing.
- Name an executor who is organized, trustworthy, and unlikely to create conflict with other beneficiaries.
- Consider pairing your will with a trust for high-value or contentious assets.
If you’re also putting other planning documents in place, it’s worth reviewing your living will and health care proxy at the same time, so your medical wishes are just as clearly documented as your financial ones.
Getting It Right the First Time
Most contested wills in New York trace back to the same handful of avoidable problems: shaky execution, unclear language, or a lack of documentation around a testator’s intentions and capacity. A carefully drafted, properly witnessed will — reviewed periodically as your life changes — closes off nearly every common ground for a challenge.
If you’re ready to put a solid estate plan in place or want a second look at a will you signed years ago, the Law Offices of Vlad Portnoy, P.C. is here to help Manhattan families build documents that hold up when it matters most. You can read what past clients have said on our Google Business Profile, and reach out whenever you’re ready to talk through your situation.