# 4145 E 21 St S, Tulsa Industrial in Tulsa, Oklahoma. It covers 77,678 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 4145 E 21 St S, Tulsa. Industrial in Tulsa, Oklahoma. Property ID spcv6ervavmwq9q. ## Facts **Facts about 4145 E 21 St S, Tulsa** | Fact | Value | Source | | --- | --- | --- | | Address | 4145 E 21 St S, Tulsa, OK 74112 | [County and state public records](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Building type | Industrial | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Footprint | 77,678 square feet | [USA Structures](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Perimeter | 1,513.81 feet | [USA Structures](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Height | 45.6 feet | [USA Structures](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Height survey year | 2017 | [USA Structures](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Stories | 2 stories | [USA Structures](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Exterior wall area | 69,035 square feet | [SkyPSI estimator](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#how-we-know) | | Parcel number | 99309930916410 | [County and state public records](https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/#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) | $5,500 | $10,500 | $17,000 | | Facade wash with mold or growth treatment | $8,000 | $15,000 | $26,000 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $10,500 | $18,500 | $31,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $2,000 | $4,000 | $7,000 | | Windows inside and out | $3,500 | $7,000 | $12,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $13,500 | $27,500 | $48,000 | | Windows inside and out, rope access | $15,000 | $30,000 | $53,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $10,500. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $4,000. ## Similar buildings nearby - [4503 East 21st Street South, Tulsa](https://skypsi.com/property/ok/tulsa/sp0h6qncq7yntf3-4503-east-21st-street-south-tulsa/) - [4145 E 21 St S, Tulsa](https://skypsi.com/property/ok/tulsa/sp2pbqanzsb55m1-4145-e-21-st-s-tulsa/) - [4145 E 21 St S, Tulsa](https://skypsi.com/property/ok/tulsa/sp6f7xsbpkweh0d-4145-e-21-st-s-tulsa/) ## 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. - [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, 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/ Page: https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa/ JSON: https://skypsi.com/property/ok/tulsa/spcv6ervavmwq9q-4145-e-21-st-s-tulsa.json Content license: https://skypsi.com/content-license.txt