Property record

521 Clayton Street, Central Islip

School in Central Islip, New York. It covers 9,049 square feet on the ground.

This building

521 Clayton Street, Central Islip. School in Central Islip, New York. Property ID sp243kav1v0vbvv.

Facts about 521 Clayton Street, Central Islip
Fact	Value	Source
Address	521 Clayton Street, Central Islip, NY 11722	USA Structures
Building type	School	USA Structures and SkyPSI estimator
Footprint	9,049 square feet	USA Structures
Perimeter	503.11 feet	USA Structures
Stories	2 stories	SkyPSI estimator
Parcel number	472889121.-4-2	County and state public records
Land use	682 Recreational facilities	County and state public records

Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. What the grades mean.

Exterior soft wash from a boom lift, whole building
Service	Low	Most likely	High
Facade wash, conventional access	$2,000	$4,000	$6,500

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.
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.

Ask SkyPSI for a quote on your building.

Sources: County and state public records, USA Structures, SkyPSI estimator.

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