# 621 Callowhill St, Philadelphia Industrial in Philadelphia, Pennsylvania. It covers 15,445 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 30, 2026. Method propdata-estimator-v6. ## This building 621 Callowhill St, Philadelphia. Industrial in Philadelphia, Pennsylvania. Property ID sp39athqx2j50zm. ## Facts **Facts about 621 Callowhill St, Philadelphia** | Fact | Value | Source | | --- | --- | --- | | Address | 621 Callowhill St, Philadelphia, PA | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Building type | Industrial | [USA Structures and SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Place name | Colonial Electric Supply | [Overture Maps places](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Place type | industrial equipment | [Overture Maps places](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Footprint | 15,445 square feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Perimeter | 548.43 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Height | 20.67 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Stories | 1 story | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Exterior wall area | 11,336 square feet | [SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Parcel number | 884023560 | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | | Land use | INDUSTRIAL - IND WAREHOUSE MASONRY+OTH | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/#how-we-know) | ## Cost ranges Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. [What the grades mean](https://skypsi.com/estimates/methodology/confidence-grades/). ### Exterior soft wash **Exterior soft wash from a boom lift, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $1,500 | $3,000 | $5,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $3,000. ## Similar buildings nearby - [400 N 6th St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spgr5kk053zwby0-400-n-6th-st-philadelphia/) - [455 N 7th St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spdb591dh66n4c6-455-n-7th-st-philadelphia/) - [452 N 6th St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sprvhdadm1n82gc-452-n-6th-st-philadelphia/) - [452 N 6th St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sppjmgds882h8e2-452-n-6th-st-philadelphia/) - [800 Callowhill St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp3ahpw574e7b0m-800-callowhill-st-philadelphia/) - [801 Callowhill St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spktrmw4j6pf820-801-callowhill-st-philadelphia/) - [452 N 6th St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp0g2g0nab72mwf-452-n-6th-st-philadelphia/) - [606 Spring Garden St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spg4j5p64ahvy94-606-spring-garden-st-philadelphia/) ## How we know 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](https://comptroller.texas.gov/taxes/property-tax/): Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data. - [USA Structures](https://disasters.geoplatform.gov/USA_Structures/): Building footprints, heights and occupancy from FEMA's USA Structures. - [Overture Maps places](https://docs.overturemaps.org/attribution/): Business and place names from the Overture Maps places theme. - [SkyPSI estimator](https://skypsi.com/estimates/methodology/sources-and-licensing/): 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](https://skypsi.com/estimates/methodology/how-a-skyestimate-is-built/). [Request a Quote](https://skypsi.com/request-a-quote) --- Sources: County and state public records, USA Structures, Overture Maps places, SkyPSI estimator. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://comptroller.texas.gov/taxes/property-tax/ Building footprints: USA Structures, FEMA Response Geospatial Office, Oak Ridge National Laboratory and U.S. Geological Survey (CC BY 4.0). https://disasters.geoplatform.gov/USA_Structures/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Page: https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia/ JSON: https://skypsi.com/property/pa/philadelphia/sp39athqx2j50zm-621-callowhill-st-philadelphia.json Content license: https://skypsi.com/content-license.txt