# 821 East Lemon Street, Tempe School in Tempe, Arizona. It covers 11,139 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 11, 2026. Method propdata-estimator-v6. ## This building 821 East Lemon Street, Tempe. School in Tempe, Arizona. Property ID spr8vdy3jps9706. ## Facts **Facts about 821 East Lemon Street, Tempe** | Fact | Value | Source | | --- | --- | --- | | Address | 821 East Lemon Street, Tempe, AZ 85281 | [USA Structures](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Place name | Barrett, The Honors College | [Overture Maps places](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Place type | college university | [Overture Maps places](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Footprint | 11,139 square feet | [USA Structures](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Perimeter | 1,602.11 feet | [USA Structures](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Height | 46.59 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Height survey year | 2020 | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Stories | 4 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#how-we-know) | | Exterior wall area | 63,519 square feet | [SkyPSI estimator](https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/#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 | $6,500 | $10,500 | | Facade wash with mold or growth treatment | $5,000 | $9,500 | $16,000 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $6,500 | $11,500 | $19,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $1,500 | $2,500 | $4,000 | | Windows inside and out | $2,000 | $4,000 | $7,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $8,500 | $17,000 | $29,500 | | Windows inside and out, rope access | $9,500 | $18,500 | $33,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $6,500. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $2,500. ## Similar buildings nearby - [821 East Lemon Mall, Tempe](https://skypsi.com/property/az/phoenix/spx6vw003g65ehe-821-east-lemon-mall-tempe/) - [820 East Apache Boulevard, Tempe](https://skypsi.com/property/az/phoenix/spjwetttcx41br1-820-east-apache-boulevard-tempe/) - [701 East Lemon Street, Tempe](https://skypsi.com/property/az/phoenix/spmbhf212bzj2kn-701-east-lemon-street-tempe/) ## 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. - [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: USA Structures, Google Open Buildings, Overture Maps building footprints, Overture Maps places, SkyPSI estimator. 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/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe/ JSON: https://skypsi.com/property/az/phoenix/spr8vdy3jps9706-821-east-lemon-street-tempe.json Content license: https://skypsi.com/content-license.txt