Plain

Residential delivery area · New York

ZIP Code 11717: Brentwood, NY

ZIP code 11717 is in Brentwood, New York, entirely in Suffolk County (Census 2020 ZIP-county file). 962 business establishments had a location in this ZIP code in 2023, 100 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
1national area: New York, Delaware and Pennsylvania
117sectional center: Mid-Island, NY (SCF 117)
17delivery area within it
Town
Brentwood · its only residential ZIP
Census places
Brentwood census-designated place
Metro area
New York-Newark-Jersey City, NY-NJ
House district
NY-2 119th Congress
Time zone
Eastern
Land area
10.7 sq mi

Where is ZIP code 11717?

11717 centers on 40.784°, -73.252° and covers 10.7 square miles of land. It borders 7 ZIP codes: 11722, 11788, 11725, 11729, 11751, 11706, 11746.

11706 · Bay Shore11722 · Central Islip11725 · Commack11729 · Deer Park11746 · Huntington Station11751 · Islip11788 · Hauppauge11717 · Brentwood (this ZIP)1171711746117251178811722117291175111706 · Bay Shore11722 · Central Islip11725 · Commack11729 · Deer Park11746 · Huntington Station11751 · Islip11788 · Hauppauge11717 · Brentwood (this ZIP)1171711746117251178811722117291175111706 · Bay Shore11722 · Central Islip11725 · Commack11729 · Deer Park11746 · Huntington Station11751 · Islip11788 · Hauppauge11717 · Brentwood (this ZIP)1171711725117881172211729
Shaded by median household income, in national fifths (ACS 2020-2024); 11717 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 11717, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

What are homes worth in 11717?

FHFA's house price index for 11717, built from repeat sales and appraisals of the same homes, rose 141% from 2015 to 2025 and rose 65% from 2020 to 2025, and moved +3.9% in 2025.

Median home value (owners' estimate)
–
Median gross rent
–
Homes owned by their occupants
–
Housing units
–
0 400 800 1200 198319902000201020202025 0 400 800 1200 198319902000201020202025 0 400 800 1200 198319902000201020202025
Index = 100 in 1983, the first year FHFA reports for 11717; 2025: 1159.8. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 11717?

  • Construction164
  • Retail trade132
  • Health care and social assistance125
  • Administrative and support and waste management and remediation services115
  • Other services (except public administration)98
  • Accommodation and food services65

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 11717?

The ZIP codes around 11717 where people live (100 or more residents), bordering first, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
11722Central Islip39,033$114k2.9 mi
11788Hauppauge17,374$150k3.1 mi
11725Commack29,073$168k4.2 mi
11729Deer Park27,231$137k4.1 mi
11751Islip13,726$117k4.2 mi
11706Bay Shore68,976$120k5.1 mi
11746Huntington Station65,747$165k6.1 mi
11752Islip Terrace9,204$152k4.5 mi (near)
11749Islandia3,600$116k4.5 mi (near)
11718Brightwaters3,179$218k4.7 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.