# 1915 Alpha Drive, Rockwall Other commercial in Rockwall, Texas. It covers 53,157 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 5, 2026. Method propdata-estimator-v6. ## This building 1915 Alpha Drive, Rockwall. Other commercial in Rockwall, Texas. Property ID spa3t5wrdy9j2y1. ## Facts **Facts about 1915 Alpha Drive, Rockwall** | Fact | Value | Source | | --- | --- | --- | | Address | 1915 Alpha Drive, Rockwall, TX 75087 | [Overture Maps addresses](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#how-we-know) | | Building type | Other commercial | [Overture Maps building footprints and SkyPSI estimator](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#how-we-know) | | Footprint | 53,157 square feet | [Overture Maps building footprints](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#how-we-know) | | Perimeter | 1,145.99 feet | [Overture Maps building footprints](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#how-we-know) | | Height | 53.54 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#how-we-know) | | Stories | 4 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#how-we-know) | | Exterior wall area | 61,359 square feet | [SkyPSI estimator](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#how-we-know) | | Parcel number | 109448 | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/#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) | $5,000 | $9,000 | $15,000 | | Facade wash with mold or growth treatment | $7,000 | $13,000 | $23,000 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $9,000 | $16,000 | $27,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $2,000 | $3,500 | $6,000 | | Windows inside and out | $3,000 | $6,000 | $11,000 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $12,000 | $24,000 | $42,000 | | Windows inside and out, rope access | $13,000 | $26,500 | $47,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $9,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $3,500. ## Similar buildings nearby - [1910 Alpha Drive, Rockwall](https://skypsi.com/property/tx/dallas-fort-worth/spn1x6z2422t6eg-1910-alpha-drive-rockwall/) - [1702 Airport Rd, Rockwall](https://skypsi.com/property/tx/dallas-fort-worth/spek4apnb28wasq-1702-airport-rd-rockwall/) - [1657 Airport Rd, Rockwall](https://skypsi.com/property/tx/dallas-fort-worth/sp5chcj7n8qbnkz-1657-airport-rd-rockwall/) ## 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. - [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 addresses](https://docs.overturemaps.org/attribution/): Street addresses from the Overture Maps addresses 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, Google Open Buildings, Overture Maps addresses, 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 data from Google Open Buildings, reached through Overture Maps Foundation, overturemaps.org. https://sites.research.google/open-buildings/ Addresses: Overture Maps Foundation, overturemaps.org (addresses theme), including the U.S. Department of Transportation National Address Database (NAD). https://docs.overturemaps.org/attribution/ 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/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall/ JSON: https://skypsi.com/property/tx/dallas-fort-worth/spa3t5wrdy9j2y1-1915-alpha-drive-rockwall.json Content license: https://skypsi.com/content-license.txt