# 431 N 64th St, Philadelphia School in Philadelphia, Pennsylvania. It covers 7,010 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 431 N 64th St, Philadelphia. School in Philadelphia, Pennsylvania. Property ID spsf4ta47dmw0hc. ## Facts **Facts about 431 N 64th St, Philadelphia** | Fact | Value | Source | | --- | --- | --- | | Address | 431 N 64th St, Philadelphia, PA | [County and state public records](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Footprint | 7,010 square feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Perimeter | 561.81 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Height | 20.41 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Stories | 2 stories | [USA Structures](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Exterior wall area | 11,465 square feet | [SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Parcel number | 871157650 | [County and state public records](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/#how-we-know) | | Land use | MIXED USE - ROW W/OFF STR 2 STY MASON | [County and state public records](https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-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 - [6333 Malvern Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp7hh9m8e9x83gg-6333-malvern-ave-philadelphia/) - [5700 Lancaster Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spj0q3gshqa16be-5700-lancaster-ave-philadelphia/) - [5800 Walnut St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spk4r5jkjzz8chn-5800-walnut-st-philadelphia/) - [5600 Vine St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp9dkrx9hncra2r-5600-vine-st-philadelphia/) - [5610 Lancaster Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/sppgnpkrtrpnt8n-5610-lancaster-ave-philadelphia/) - [5901 Malvern Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spzqkcrz1fwywg9-5901-malvern-ave-philadelphia/) - [100 East Wynnewood Road, Wynnewood](https://skypsi.com/property/pa/philadelphia/spv681r97ahjvdc-100-east-wynnewood-road-wynnewood/) - [5212 Market St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spchdrmmje8z659-5212-market-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://skypsi.com/estimates/methodology/sources-and-licensing/): 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. - [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, SkyPSI estimator. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://skypsi.com/estimates/methodology/sources-and-licensing/ 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/ Page: https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia/ JSON: https://skypsi.com/property/pa/philadelphia/spsf4ta47dmw0hc-431-n-64th-st-philadelphia.json Content license: https://skypsi.com/content-license.txt