Property record
1835 N 12th St, Philadelphia
School in Philadelphia, Pennsylvania. It covers 30,740 square feet on the ground.
This building
1835 N 12th St, Philadelphia. School in Philadelphia, Pennsylvania. Property ID spx3g7v2j20nt0f.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 1835 N 12th St, Philadelphia, PA | County and state public records |
| Building type | School | Overture Maps building footprints and SkyPSI estimator |
| Place name | The SERC | Overture Maps places |
| Place type | college university | Overture Maps places |
| Footprint | 30,740 square feet | Overture Maps building footprints |
| Perimeter | 813.69 feet | Overture Maps building footprints |
| Height | 151.9 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 8 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 123,602 square feet | SkyPSI estimator |
| Parcel number | 777568800 | County and state public records |
| Land use | COMMERCIAL - SCHOOL 10-14 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) | $10,500 | $19,500 | $32,000 |
| Facade wash with mold or growth treatment | $15,500 | $28,500 | $49,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $19,500 | $35,000 | $58,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $4,000 | $7,500 | $13,000 |
| Windows inside and out | $6,500 | $13,000 | $23,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $26,000 | $51,500 | $90,000 |
| Windows inside and out, rope access | $28,500 | $56,500 | $100,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $19,500.
- Window cleaning: Drone has the lowest cost, most likely $7,500.
Similar buildings nearby
- 1835 N 12th St, Philadelphia
- 1835 N 12th St, Philadelphia
- 1901 N 13th St, Philadelphia
- 1835 N 12th St, Philadelphia
- 1835 N 12th St, Philadelphia
- 1835 N 12th St, Philadelphia
- 1835 N 12th St, Philadelphia
- 1901 N 13th 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.
- 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, Google Open Buildings, Overture Maps building footprints, Overture Maps places, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.