Property record
447 N Broad St, Philadelphia
School in Philadelphia, Pennsylvania. It covers 32,970 square feet on the ground.
This building
447 N Broad St, Philadelphia. School in Philadelphia, Pennsylvania. Property ID sps8rb2b8ndanap.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 447 N Broad St, Philadelphia, PA | County and state public records |
| Building type | School | USA Structures and SkyPSI estimator |
| Place name | Mathematics Civics and Sciences | Overture Maps places |
| Place type | school | Overture Maps places |
| Footprint | 32,970 square feet | USA Structures |
| Perimeter | 797.04 feet | USA Structures |
| Height | 116.99 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 9 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 93,250 square feet | SkyPSI estimator |
| Parcel number | 771635115 | 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 (drone) | $8,000 | $14,500 | $24,500 |
| Facade wash with mold or growth treatment | $11,500 | $21,500 | $37,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $14,500 | $26,500 | $44,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $3,000 | $6,000 | $10,000 |
| Windows inside and out | $5,000 | $10,000 | $17,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $19,500 | $39,000 | $68,500 |
| Windows inside and out, rope access | $21,500 | $43,000 | $76,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $14,500.
- Window cleaning: Drone has the lowest cost, most likely $6,000.
Similar buildings nearby
- 440 N Broad St, Philadelphia
- 400 N Broad St, Philadelphia
- 323 N Broad St, Philadelphia
- 323 N Broad St, Philadelphia
- 528 N 13th St, Philadelphia
- School in Philadelphia
- 548 N Broad St, Philadelphia
- 619 N Broad 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: 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.
- Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
- Overture Maps building footprints: Building outlines, heights and floor counts from the Overture Maps buildings theme.
- 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, Google Open Buildings, Overture Maps building footprints, Overture Maps places, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.