Property record

4041 Walnut St, Philadelphia

Apartments in Philadelphia, Pennsylvania. It covers 7,616 square feet on the ground.

This building

4041 Walnut St, Philadelphia. Apartments in Philadelphia, Pennsylvania. Property ID spenfg28s9e54qx.

Facts about 4041 Walnut St, Philadelphia
Fact	Value	Source
Address	4041 Walnut St, Philadelphia, PA	County and state public records
Building type	Apartments	USA Structures and SkyPSI estimator
Footprint	7,616 square feet	USA Structures
Perimeter	502.07 feet	USA Structures
Height	29.17 feet	USA Structures
Stories	3 stories	USA Structures
Exterior wall area	14,644 square feet	SkyPSI estimator
Parcel number	881600519	County and state public records
Land use	APARTMENTS > 4 UNITS - APTS 5-50 UNITS MASONRY	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	$2,500	$4,000	$7,000

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.