# 620 N FM 1138, Nevada School in Nevada, Texas. It covers 12,164 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 620 N FM 1138, Nevada. School in Nevada, Texas. Property ID sp7s78q3xrgjz1g. ## Facts **Facts about 620 N FM 1138, Nevada** | Fact | Value | Source | | --- | --- | --- | | Address | 620 N FM 1138, Nevada, TX 75173 | [USA Structures](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Footprint | 12,164 square feet | [USA Structures](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Perimeter | 455.54 feet | [USA Structures](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Height | 72.37 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Stories | 6 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Exterior wall area | 32,968 square feet | [SkyPSI estimator](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Parcel number | 1800028 | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Land use | EX5 Rural land and non-qualified improvements (local SCH2) | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#how-we-know) | | Year built | 1985 | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/#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 | $4,000 | $7,500 | $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 | $14,000 | $24,500 | | Windows inside and out, rope access | $7,500 | $15,500 | $27,500 | ## 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 - [620 N FM 1138, Nevada](https://skypsi.com/property/tx/dallas-fort-worth/sp2pqp39sdk4msn-620-n-fm-1138-nevada/) - [620 N FM 1138, Nevada](https://skypsi.com/property/tx/dallas-fort-worth/spj4bshv24k6z4k-620-n-fm-1138-nevada/) - [620 N FM 1138, Nevada](https://skypsi.com/property/tx/dallas-fort-worth/spj05qnv8n8kg4k-620-n-fm-1138-nevada/) ## 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/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada/ JSON: https://skypsi.com/property/tx/dallas-fort-worth/sp7s78q3xrgjz1g-620-n-fm-1138-nevada.json Content license: https://skypsi.com/content-license.txt