Property record

4001 Ridge Ave, Philadelphia

Apartments in Philadelphia, Pennsylvania. It covers 1,789 square feet on the ground.

This building

4001 Ridge Ave, Philadelphia. Apartments in Philadelphia, Pennsylvania. Property ID spjbdbhj9wzafzj.

Facts about 4001 Ridge Ave, Philadelphia
Fact	Value	Source
Address	4001 Ridge Ave, Philadelphia, PA	County and state public records
Building type	Apartments	USA Structures and SkyPSI estimator
Footprint	1,789 square feet	USA Structures
Perimeter	193.69 feet	USA Structures
Height	26.61 feet	USA Structures
Stories	3 stories	USA Structures
Exterior wall area	5,154 square feet	SkyPSI estimator
Parcel number	881137420	County and state public records
Land use	MULTI FAMILY - 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	$1,000	$1,500	$2,500

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.