Property record
3901 N 18th St, Philadelphia
School in Philadelphia, Pennsylvania. It covers 39,357 square feet on the ground.
This building
3901 N 18th St, Philadelphia. School in Philadelphia, Pennsylvania. Property ID spcs3jt43waj8gy.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 3901 N 18th St, Philadelphia, PA | County and state public records |
| Building type | School | USA Structures and SkyPSI estimator |
| Place name | Simon Gratz High School Mastery Charter | Overture Maps places |
| Place type | high school | Overture Maps places |
| Footprint | 39,357 square feet | USA Structures |
| Perimeter | 832.18 feet | USA Structures |
| Height | 34.19 feet | USA Structures |
| Stories | 3 stories | USA Structures |
| Exterior wall area | 28,449 square feet | SkyPSI estimator |
| Parcel number | 785694200 | County and state public records |
| Land use | COMMERCIAL - SCHOOL 4 STY MASONRY | County and state public records |
Cost ranges
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
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $4,500 | $8,500 | $14,000 |
Best method
- Exterior soft wash: Boom lift fits this building, most likely $8,500.
Similar buildings nearby
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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: 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.
- Overture Maps places: Business and place names from the Overture Maps places theme.
- 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.
Request a QuoteSources: County and state public records, USA Structures, Overture Maps places, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.