Suffolk County

Selling a home in Deer Park, NY

Deer Park is an unincorporated hamlet in the Town of Babylon in western Suffolk, between the South Shore villages and the Commack corridor. ZIP 11729 is the primary Deer Park postal area along Deer Park Avenue and Commack Road. Long Island Rail Road Deer Park station on the Ronkonkoma Branch sits near the industrial and office parks north of the residential core. Housing is predominantly midcentury single-family subdivisions with some denser pockets near commercial strips. A Deer Park mailing address or 11729 ZIP does not by itself establish the municipality, tax lot, permit file, or school district - sellers should confirm those records against the property file before they publish a listing.

Market context

Public-record context, not a live market feed. Census ACS 2020-2024 5-year estimates for ZCTA 11729: median value of owner-occupied homes $539,700 (+/- $17,654, table B25077); 83.8% of occupied homes are owner-occupied (7,292 of 8,697, table B25003); median real estate taxes paid by owners is at or above the table's $10,000 top code (table B25103). Countywide, NYS ORPTS reports a 2025 Suffolk County residential median sale price of $695,000 across 11,951 arm's-length sales (2024: $645,000; 2023: $590,000). The FHFA House Price Index for Suffolk County rose 5.4% from 2024 to 2025 and 54.5% from 2020 to 2025. This page does not state a Deer Park-specific sale-price median.

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates (released 2025), tables B25077 (median value, owner-occupied units), B25003 (tenure) and B25103 (median real estate taxes paid), ZCTA 11729 and Suffolk County, NY: https://data.census.gov/; NYS Department of Taxation and Finance, Office of Real Property Tax Services, Residential median sale price information by county (arm's-length, non-condominium residential sales; page updated April 16, 2026): https://www.tax.ny.gov/research/property/assess/sales/resmedian.htm; FHFA All-Transactions House Price Index for Suffolk County, NY, annual, via FRED (series ATNHPIUS36103A): https://fred.stlouisfed.org/series/ATNHPIUS36103A · updated 2026-04-16

What you could save

Illustrative arithmetic only: on a $539,700 sale (the Census ACS 2020-2024 median value of owner-occupied homes in ZCTA 11729, an owner estimate rather than a sale price), the difference between a hypothetical adjustable 5% alternative fee and a 2% fee is $16,191. This is not a statement of a typical or required selling fee, and actual fees, services, costs, and proceeds vary.

Illustrative comparison only, not a quote from any company, and not a guarantee of savings. Alternative seller-fee assumption: traditional sale fees of 5% of the sale price. Fees are negotiable and vary. Your actual savings depend on your sale price, the terms you negotiate, and any buyer-side costs you agree to pay. Rellia's 2% platform fee is paid only at closing: no sale, no fee. Other closing costs, such as transfer taxes, attorney fees and title charges, still apply. Rellia is not a real estate broker and does not give legal or tax advice.

Estimate your net in Deer Park

Closing in Suffolk County

New York residential closings commonly involve attorneys. Town of Babylon, title, and filing records can differ for properties that share a Deer Park mailing address. This page states no universal fee or timeline.

Seller guides for Suffolk County

Common questions about selling in Deer Park

What do public records say about home values in Deer Park?
Public-record context, not a live market feed. Census ACS 2020-2024 5-year estimates for ZCTA 11729: median value of owner-occupied homes $539,700 (+/- $17,654, table B25077); 83.8% of occupied homes are owner-occupied (7,292 of 8,697, table B25003); median real estate taxes paid by owners is at or above the table's $10,000 top code (table B25103). Countywide, NYS ORPTS reports a 2025 Suffolk County residential median sale price of $695,000 across 11,951 arm's-length sales (2024: $645,000; 2023: $590,000). The FHFA House Price Index for Suffolk County rose 5.4% from 2024 to 2025 and 54.5% from 2020 to 2025. This page does not state a Deer Park-specific sale-price median. Source: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates (released 2025), tables B25077 (median value, owner-occupied units), B25003 (tenure) and B25103 (median real estate taxes paid), ZCTA 11729 and Suffolk County, NY: https://data.census.gov/; NYS Department of Taxation and Finance, Office of Real Property Tax Services, Residential median sale price information by county (arm's-length, non-condominium residential sales; page updated April 16, 2026): https://www.tax.ny.gov/research/property/assess/sales/resmedian.htm; FHFA All-Transactions House Price Index for Suffolk County, NY, annual, via FRED (series ATNHPIUS36103A): https://fred.stlouisfed.org/series/ATNHPIUS36103A, as of 2026-04-16. These are free public-record figures, not a sale-price median for Deer Park and not an appraisal of any single home. Get a free estimate for your home.
Which ZIP code does this Deer Park page cover?
This page covers ZIP 11729. A Deer Park mailing address or ZIP does not by itself establish the municipality, tax lot, permit file, or school district. Confirm those records against the property file before you publish a listing.
Does a Deer Park mailing address mean I am in the Deer Park school district?
Not necessarily. School district, village or town, and tax lot can differ for properties that share a Deer Park mailing address. Confirm the school district and municipal records for the specific parcel.
How much could I save selling in Deer Park with Rellia's 2% seller fee?
Illustrative arithmetic only: on a $539,700 sale (the Census ACS 2020-2024 median value of owner-occupied homes in ZCTA 11729, an owner estimate rather than a sale price), the difference between a hypothetical adjustable 5% alternative fee and a 2% fee is $16,191. This is not a statement of a typical or required selling fee, and actual fees, services, costs, and proceeds vary.

Illustrative comparison only, not a quote from any company, and not a guarantee of savings. Alternative seller-fee assumption: traditional sale fees of 5% of the sale price. Fees are negotiable and vary. Your actual savings depend on your sale price, the terms you negotiate, and any buyer-side costs you agree to pay. Rellia's 2% platform fee is paid only at closing: no sale, no fee. Other closing costs, such as transfer taxes, attorney fees and title charges, still apply. Rellia is not a real estate broker and does not give legal or tax advice.

Run your own numbers in the savings calculator.
How do I get a home value or estimate in Deer Park?
Start with Rellia’s free home estimate for Deer Park. It is an informational starting point, with no obligation. Get an estimate on Rellia.
What does Rellia charge sellers?
Rellia charges a 2% seller fee; the home estimate is free, and there is no obligation to move forward. Compare your numbers with the savings calculator.
Do I need an attorney to close in Suffolk County or New York?
New York sellers typically work with a New York attorney for contract review and closing, but this page is not legal advice. Ask your attorney what your Suffolk County transaction requires. See who handles what in a Long Island sale.
How is selling with Rellia different from a traditional full-service sale or FSBO?
Rellia is a home transaction platform, not a broker or agent. Sellers can use the platform with a 2% seller fee and choose the licensed professionals they need, while FSBO generally leaves the seller to manage the sale directly and a traditional full-service sale hands marketing and showings to a listing company under that company’s fee arrangement. Compare the three selling paths.
How long does a Long Island home sale typically take?
There is no single timeline for a Long Island sale. The process can include an offer, attorney review, contract, contingencies, title and payoff work, and closing, so timing depends on the transaction rather than a guaranteed number of days. Review the usual sale process.
Can buyers browse homes on Rellia?
Yes. Buyers can browse homes on Rellia and review available opportunities without committing to a purchase. Browse homes on Rellia.

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