# 333 City Avenue, Merion Station School in Merion Station, Pennsylvania. It covers 21,310 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 333 City Avenue, Merion Station. School in Merion Station, Pennsylvania. Property ID sp0aekps1z67pxm. ## Facts **Facts about 333 City Avenue, Merion Station** | Fact | Value | Source | | --- | --- | --- | | Address | 333 City Avenue, Merion Station, PA 19066 | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Place name | McShain Hall | [Overture Maps places](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Place type | accommodation | [Overture Maps places](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Footprint | 21,310 square feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Perimeter | 893.29 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Height | 47.64 feet | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Stories | 4 stories | [USA Structures](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Exterior wall area | 42,554 square feet | [SkyPSI estimator](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Parcel number | 400011120009 | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#how-we-know) | | Land use | 5958 E | [County and state public records](https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station/#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) | $3,500 | $7,000 | $11,500 | | Facade wash with mold or growth treatment | $5,500 | $10,000 | $17,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $7,000 | $12,500 | $21,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $1,500 | $3,000 | $4,500 | | Windows inside and out | $2,500 | $4,500 | $8,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $9,500 | $18,500 | $32,500 | | Windows inside and out, rope access | $10,000 | $20,500 | $36,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $7,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $3,000. ## Similar buildings nearby - [5901 Malvern Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spzqkcrz1fwywg9-5901-malvern-ave-philadelphia/) - [5700 Lancaster Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/spj0q3gshqa16be-5700-lancaster-ave-philadelphia/) - [6333 Malvern Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/sp7hh9m8e9x83gg-6333-malvern-ave-philadelphia/) - [100 East Wynnewood Road, Wynnewood](https://skypsi.com/property/pa/philadelphia/spv681r97ahjvdc-100-east-wynnewood-road-wynnewood/) - [5610 Lancaster Ave, Philadelphia](https://skypsi.com/property/pa/philadelphia/sppgnpkrtrpnt8n-5610-lancaster-ave-philadelphia/) - [511 Montgomery Avenue, Merion Station](https://skypsi.com/property/pa/philadelphia/spsjg0zja7gpzjv-511-montgomery-avenue-merion-station/) - [549 Bowman Avenue, Merion Station](https://skypsi.com/property/pa/philadelphia/spgqm4r4exmpxw3-549-bowman-avenue-merion-station/) - [510 Bryn Mawr Avenue, Bala Cynwyd](https://skypsi.com/property/pa/philadelphia/spm4s2xv10mtatq-510-bryn-mawr-avenue-bala-cynwyd/) ## 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. - [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, 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/ 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/sp0aekps1z67pxm-333-city-avenue-merion-station/ JSON: https://skypsi.com/property/pa/philadelphia/sp0aekps1z67pxm-333-city-avenue-merion-station.json Content license: https://skypsi.com/content-license.txt