# 1745 N 31st St, Philadelphia Apartments in Philadelphia, Pennsylvania. It covers 1,453 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 1745 N 31st St, Philadelphia. Apartments in Philadelphia, Pennsylvania. Property ID sp7e8865knfd1as. ## Facts **Facts about 1745 N 31st St, Philadelphia** | Fact | Value | Source | | --- | --- | --- | | Address | 1745 N 31st St, Philadelphia, PA | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Footprint | 1,453 square feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Perimeter | 162.58 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Height | 19.26 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Stories | 2 stories | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Exterior wall area | 3,131 square feet | [SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Parcel number | 324196105 | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia/#how-we-know) | | Land use | MULTI FAMILY - APT 2-4 UNITS 2 STY FRAME | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-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 | $500 | $1,000 | $1,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $1,000. ## Similar buildings nearby - [3145 Jefferson St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spycarey57tp0sm-3145-jefferson-st-philadelphia/) - [3000 Master St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spy1kkca22g8xmv-3000-master-st-philadelphia/) - [2027 Fairmount Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp6c7560hb6pby7-2027-fairmount-ave-philadelphia/) - [4055 Ridge Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spkvfs3smyptss7-4055-ridge-ave-philadelphia/) - [3700 Lancaster Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spzqjm7kyrwe5zr-3700-lancaster-ave-philadelphia/) - [3232 Henry Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spnwmtjvs9h8aeg-3232-henry-ave-philadelphia/) - [3601 Conshohocken Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spnn39a2as8d2m6-3601-conshohocken-ave-philadelphia/) - [3501 Chestnut St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp54tpwxvf6hkvz-3501-chestnut-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/sp7e8865knfd1as-1745-n-31st-st-philadelphia/ JSON: https://skypsi.com/property/pa/philadelphia/sp7e8865knfd1as-1745-n-31st-st-philadelphia.json Content license: https://skypsi.com/content-license.txt