# 1101 Chestnut St, Philadelphia Other commercial in Philadelphia, Pennsylvania. It covers 28,721 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 1101 Chestnut St, Philadelphia. Other commercial in Philadelphia, Pennsylvania. Property ID spsdtwf9hfhgr8x. ## Facts **Facts about 1101 Chestnut St, Philadelphia** | Fact | Value | Source | | --- | --- | --- | | Address | 1101 Chestnut St, Philadelphia, PA | [County and state public records](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Building type | Other commercial | [USA Structures and SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Footprint | 28,721 square feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Perimeter | 734.47 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Height | 243.11 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Stories | 19 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Exterior wall area | 178,557 square feet | [SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Parcel number | 883000054 | [County and state public records](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/#how-we-know) | | Land use | OFFICES - GAR W/COMM AREA MASONRY | [County and state public records](https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-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 by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash (drone) | $15,000 | $28,000 | $46,500 | | Facade wash with mold or growth treatment | $22,000 | $41,000 | $70,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $28,000 | $50,000 | $83,500 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $5,500 | $11,000 | $18,500 | | Windows inside and out | $9,500 | $18,500 | $33,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $37,000 | $74,000 | $130,000 | | Windows inside and out, rope access | $41,000 | $81,500 | $144,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $28,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $11,000. ## Similar buildings nearby - [34 S 11th St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp8htgrc2hbfdq2-34-s-11th-st-philadelphia/) - [1101 Chestnut St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp4vnqf30f30fsb-1101-chestnut-st-philadelphia/) - [1134 Sansom St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp2fbd2n0nqsw3t-1134-sansom-st-philadelphia/) - [1001 Filbert St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spw1hgavtyadxds-1001-filbert-st-philadelphia/) - [1315 Sansom St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spm9rfgafqy1121-1315-sansom-st-philadelphia/) - [241 S Hutchinson St, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp1fm4tf50drha8-241-s-hutchinson-st-philadelphia/) - [1327 Locust St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spm07neneka3eae-1327-locust-st-philadelphia/) - [1324 Arch St, Philadelphia](https://skypsi.com/property/pa/philadelphia/spyanr3p2rqghr9-1324-arch-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://comptroller.texas.gov/taxes/property-tax/): 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. - [Google Open Buildings](https://sites.research.google/open-buildings/): Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme. - [Overture Maps building footprints](https://opendatacommons.org/licenses/odbl/1-0/): Building outlines, heights and floor counts from the Overture Maps buildings theme. - [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, Google Open Buildings, Overture Maps building footprints, SkyPSI estimator. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://comptroller.texas.gov/taxes/property-tax/ 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/ Building data from Google Open Buildings, reached through Overture Maps Foundation, overturemaps.org. https://sites.research.google/open-buildings/ Building footprints from Overture Maps Foundation, including OpenStreetMap contributors, Microsoft, Esri Community Maps contributors and USGS, under the Open Database License (ODbL). https://opendatacommons.org/licenses/odbl/1-0/ Page: https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia/ JSON: https://skypsi.com/property/pa/philadelphia/spsdtwf9hfhgr8x-1101-chestnut-st-philadelphia.json Content license: https://skypsi.com/content-license.txt