Selling a Parent's House on Long Island: A Step-by-Step Guide for Families

by James Acierno

Data current as of October 2026

Helping a parent sell the home they've lived in for decades is one of the hardest jobs a family takes on. It's emotional, and there are legal steps that most people have never dealt with before. This guide walks through it in plain language, one question at a time. It covers Brookhaven-area homes in Coram, Mount Sinai, Port Jefferson Station, Miller Place, Rocky Point and Middle Island, plus Riverhead.

Step 1: Who is allowed to sign the sale papers?

The short answer: it depends on whether your parent is living, and whether they can sign for themselves.

Your parent is living and able to sign. They sell the house like any other homeowner. You can help with everything else.
Your parent is living but can't manage the sale. Someone needs a valid power of attorney. New York updated its statutory short form power of attorney on June 13, 2021. The new rules say banks and other third parties must accept a valid form or reject it in writing within 10 days (NYSBA). If there's no power of attorney and your parent can no longer sign one, talk to an elder law attorney about other options.
Your parent has passed away. A power of attorney ends at death (NY General Obligations Law § 5-1511). The house is then usually sold by the executor or administrator once the Surrogate's Court gives them authority. For Suffolk County, that court is at 320 Center Drive, Riverhead (NY Courts).

Tip: Bring the estate attorney in early. Many Long Island homes can be listed while the court paperwork is still in progress, but closing usually has to wait until the executor has authority.

Step 2: What is the market like right now?

The short answer: prices in Suffolk are still rising, and homes are selling fairly quickly.

According to OneKey MLS data for August 2026:

The Suffolk County median sale price was $760,000, up 7.0% from $710,000 a year earlier.
Homes sold in a median of 39 days.
Sellers got a median 102.2% of their original list price.
Inventory was 3,129 homes, down 3.9% year over year.

(Source: OneKey MLS August 2026 report, via Long Island Guide, Sept. 29, 2026.)

On the buyer side, Freddie Mac reported the 30-year fixed mortgage rate at 7.28% for the week of October 1, 2026. That's up from 7.03% the week before (Freddie Mac PMMS, Oct. 1, 2026). Higher rates mean buyers pay close attention to condition and price. A well-prepared house matters.

Step 3: Does the house need to be fixed up first?

The short answer: usually not a full renovation. Focus on clearing the house, cleaning, and fixing safety items.

Many family homes on the North Shore and in mid-Suffolk have older heating systems, oil tanks, or original kitchens. Before you spend money, get an opinion on which repairs buyers in that specific town will actually pay for. In practice, the work often looks like this:

Sort and remove belongings. This is often the longest step, so start it first.
Deep clean, and do basic yard work.
Fix anything that's a safety or inspection issue.
Decide whether to sell as-is or make small cosmetic updates.

Step 4: What disclosures does New York require?

The short answer: most sellers must fill out the Property Condition Disclosure Statement. An executor selling for an estate is generally exempt.

Since March 20, 2024, New York no longer lets sellers give buyers a $500 credit instead of the disclosure form. The updated form also asks more about flooding (Stewart Title, 2024). If your parent is living and selling, they (or their agent under a power of attorney) will generally need to complete it. Transfers by a fiduciary during the administration of an estate remain exempt under Real Property Law § 463. Confirm your situation with your attorney.

Step 5: What about taxes?

The short answer: two federal rules come up often. Have a CPA check both before you list.

Living parent selling their main home. The IRS lets a single filer exclude up to $250,000 of gain, or $500,000 for married couples filing jointly. To qualify, they generally must have owned the home and lived in it as their main home for 2 of the last 5 years. There's an exception for someone who moves into a licensed care facility after living in the home at least 12 months (IRS Publication 523).
Inherited home. The heir's tax basis is generally the home's fair market value on the date of death (IRS Publication 523). That can greatly reduce taxable gain. A date-of-death appraisal is worth getting.
New York transfer tax. The seller generally pays $2 per $500 of the sale price (NYS Dept. of Taxation & Finance).

This is general information, not tax or legal advice.

Step 6: How do we keep the family on the same page?

The short answer: choose one point person, put decisions in writing, and agree on the price strategy before listing.

When several siblings are involved, most delays come from disagreements rather than the market. A shared timeline, a simple pricing review based on recent sales nearby, and one person who speaks with the attorney and the agent will keep things moving.

Frequently Asked Questions

Can I sell my parent's house with a power of attorney in New York?

Yes, while your parent is living, if the power of attorney is valid and covers real estate. It ends when your parent passes away.

Do we need probate to sell an inherited house in Suffolk County?

Usually, yes. The executor or administrator needs authority from the Suffolk County Surrogate's Court in Riverhead before closing.

Does an executor have to fill out New York's Property Condition Disclosure Statement?

Generally no. Transfers by a fiduciary during the administration of an estate are exempt under RPL § 463.

How long are Suffolk County homes taking to sell?

In August 2026, the median was 39 days on market, according to OneKey MLS.

Should we renovate our parent's house before selling?

Usually not a full renovation. Clearing the house, cleaning, and fixing safety items tend to matter most. Get a local opinion before spending.

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Sources

James Acierno, Licensed Real Estate Salesperson
Real Broker NY LLC, 150 Motor Parkway, Suite 401, Hauppauge, NY 11788 · 631-682-4900