Property record

1650 Islip Avenue, Brentwood

Government in Brentwood, New York. It covers 1,879 square feet on the ground.

This building

1650 Islip Avenue, Brentwood. Government in Brentwood, New York. Property ID sp9n4nfgqhzw54s.

Facts about 1650 Islip Avenue, Brentwood
Fact	Value	Source
Address	1650 Islip Avenue, Brentwood, NY 11717	USA Structures
Building type	Government	USA Structures and SkyPSI estimator
Footprint	1,879 square feet	USA Structures
Perimeter	202.69 feet	USA Structures
Height	7.35 feet	Overture Maps building footprints and Google Open Buildings
Stories	1 story	Overture Maps building footprints and Google Open Buildings
Exterior wall area	1,490 square feet	SkyPSI estimator
Parcel number	472889118.-3-23.1	County and state public records
Land use	810 Electric and Gas	County and state public records

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Each fact names the source it comes from. A building file carries the source of each field, and SkyPSI shows that source beside the fact.

County and state public records: Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data.
USA Structures: Building footprints, heights and occupancy from FEMA's USA Structures.
Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
Overture Maps building footprints: Building outlines, heights and floor counts from the Overture Maps buildings theme.
SkyPSI estimator: SkyPSI's own price model, calibrated rates and building-class rules.

Cost ranges come from the SkyPSI estimator, calibrated October 2, 2026. How a SkyEstimate is built.

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Sources: County and state public records, USA Structures, Google Open Buildings, Overture Maps building footprints, SkyPSI estimator.

An estimate, not a quote. How a SkyEstimate is built.