Property record

640 W Walnut Ln, Philadelphia

Venue or place of worship in Philadelphia, Pennsylvania. It covers 1,078 square feet on the ground.

This building

640 W Walnut Ln, Philadelphia. Venue or place of worship in Philadelphia, Pennsylvania. Property ID sp995fy606g7x5n.

Facts about 640 W Walnut Ln, Philadelphia
Fact	Value	Source
Address	640 W Walnut Ln, Philadelphia, PA	County and state public records
Building type	Venue or place of worship	USA Structures and SkyPSI estimator
Footprint	1,078 square feet	USA Structures
Perimeter	134.18 feet	USA Structures
Height	13.62 feet	USA Structures
Stories	1 story	USA Structures
Exterior wall area	1,827 square feet	SkyPSI estimator
Parcel number	885736220	County and state public records
Land use	COMMERCIAL - AMUSE CITY PARK	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	$500	$500	$1,000

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.