# 933 1st Avenue, King of Prussia Office in King of Prussia, Pennsylvania. It covers 34,447 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 933 1st Avenue, King of Prussia. Office in King of Prussia, Pennsylvania. Property ID spc77tv617rbg73. ## Facts **Facts about 933 1st Avenue, King of Prussia** | Fact | Value | Source | | --- | --- | --- | | Address | 933 1st Avenue, King of Prussia, PA 19406 | [USA Structures](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Building type | Office | [USA Structures and SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Place name | Clean Earth | [Overture Maps places](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Place type | garbage collection service | [Overture Maps places](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Footprint | 34,447 square feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Perimeter | 796.18 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Height | 46.41 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Stories | 4 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Exterior wall area | 36,953 square feet | [SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Parcel number | 580006853028 | [County and state public records](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#how-we-know) | | Land use | 4500 C | [County and state public records](https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/#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) | $3,000 | $5,500 | $9,000 | | Facade wash with mold or growth treatment | $4,500 | $8,000 | $13,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $5,500 | $9,500 | $16,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $1,000 | $2,000 | $3,500 | | Windows inside and out | $2,000 | $3,500 | $6,500 | **Window cleaning by rope access, whole building** | 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](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $5,500. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $2,000. ## Similar buildings nearby - [625 Clark Avenue, King of Prussia](https://skypsi.com/property/pa/philadelphia/spwv01k1esq4z82-625-clark-avenue-king-of-prussia/) - [1075 1st Avenue, King of Prussia](https://skypsi.com/property/pa/philadelphia/spvqt9mzc6sxyzt-1075-1st-avenue-king-of-prussia/) - [230 Mall Boulevard, King of Prussia](https://skypsi.com/property/pa/philadelphia/sprzz4j6xxewaqb-230-mall-boulevard-king-of-prussia/) - [1100 1st Avenue, King of Prussia](https://skypsi.com/property/pa/philadelphia/spgz33vbgc90nzk-1100-1st-avenue-king-of-prussia/) - [780 5th Avenue, King of Prussia](https://skypsi.com/property/pa/philadelphia/sp7rwnttetpn9w1-780-5th-avenue-king-of-prussia/) - [760 Moore Road, King of Prussia](https://skypsi.com/property/pa/philadelphia/spt9d2feq97jkxj-760-moore-road-king-of-prussia/) - [660 Allendale Road, King of Prussia](https://skypsi.com/property/pa/philadelphia/spn4yqfa5ppd7g4-660-allendale-road-king-of-prussia/) - [720 Vandenburg Road, King of Prussia](https://skypsi.com/property/pa/philadelphia/sp8yyy605jd6k52-720-vandenburg-road-king-of-prussia/) ## 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://skypsi.com/estimates/methodology/sources-and-licensing/): 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. - [Overture Maps places](https://docs.overturemaps.org/attribution/): Business and place names from the Overture Maps places 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, Overture Maps places, SkyPSI estimator. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://skypsi.com/estimates/methodology/sources-and-licensing/ 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/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Page: https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia/ JSON: https://skypsi.com/property/pa/philadelphia/spc77tv617rbg73-933-1st-avenue-king-of-prussia.json Content license: https://skypsi.com/content-license.txt