Property record
101 S 21st St, Philadelphia
Office in Philadelphia, Pennsylvania. It covers 12,867 square feet on the ground.
This building
101 S 21st St, Philadelphia. Office in Philadelphia, Pennsylvania. Property ID spt0yrectyy1h19.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 101 S 21st St, Philadelphia, PA | County and state public records |
| Building type | Office | USA Structures and SkyPSI estimator |
| Place name | Slate Restaurant | Overture Maps places |
| Place type | american restaurant | Overture Maps places |
| Footprint | 12,867 square feet | USA Structures |
| Perimeter | 647.99 feet | USA Structures |
| Height | 55.12 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 3 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 33,368 square feet | SkyPSI estimator |
| Parcel number | 881548210 | County and state public records |
| Land use | MULTI FAMILY - APTS 5-50 UNITS 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) | $3,000 | $5,500 | $9,000 |
| Facade wash with mold or growth treatment | $4,500 | $8,000 | $13,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $5,500 | $9,500 | $16,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $1,000 | $2,000 | $3,500 |
| Windows inside and out | $2,000 | $3,500 | $6,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $7,000 | $14,500 | $25,000 |
| Windows inside and out, rope access | $8,000 | $16,000 | $28,000 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $5,500.
- Window cleaning: Drone has the lowest cost, most likely $2,000.
Similar buildings nearby
- 2019 Walnut St, Philadelphia
- 2116 Walnut St, Philadelphia
- 2213 Chestnut St, Philadelphia
- 2213 Chestnut St, Philadelphia
- 2213 Chestnut St, Philadelphia
- 108 S 23rd St, Philadelphia
- 240 S 22nd St, Philadelphia
- 2210 Locust 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.