Property record

555 Armstrong St, Philadelphia

Apartments in Philadelphia, Pennsylvania. It covers 1,384 square feet on the ground.

This building

555 Armstrong St, Philadelphia. Apartments in Philadelphia, Pennsylvania. Property ID spmvechceehvz8z.

Facts about 555 Armstrong St, Philadelphia
Fact	Value	Source
Address	555 Armstrong St, Philadelphia, PA	County and state public records
Building type	Apartments	USA Structures and SkyPSI estimator
Footprint	1,384 square feet	USA Structures
Perimeter	150.03 feet	USA Structures
Height	19.95 feet	USA Structures
Stories	2 stories	USA Structures
Exterior wall area	2,993 square feet	SkyPSI estimator
Parcel number	121077400	County and state public records
Land use	MULTI FAMILY - S/D CONV APT 2.5 STY MAS	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	$1,000	$1,500

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.