# 4230 L B J Freeway, Dallas Office in Dallas, Texas. It covers 63,066 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 4230 L B J Freeway, Dallas. Office in Dallas, Texas. Property ID spkqq39whpd39gw. ## Facts **Facts about 4230 L B J Freeway, Dallas** | Fact | Value | Source | | --- | --- | --- | | Address | 4230 L B J Freeway, Dallas, TX 75244 | [Overture Maps addresses](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Building type | Office | [USA Structures and SkyPSI estimator](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Place name | Midway Tower | [Overture Maps places](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Place type | commercial real estate | [Overture Maps places](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Footprint | 63,066 square feet | [USA Structures](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Perimeter | 1,568.6 feet | [USA Structures](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Height | 87.24 feet | [USGS 3D Elevation Program](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Height survey year | 2019 | [USGS 3D Elevation Program](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Stories | 7 stories | [USGS 3D Elevation Program](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Exterior wall area | 136,840 square feet | [SkyPSI estimator](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Parcel number | 00000808914720000 | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Land use | F10 Commercial real property | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Year built | 1972 | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Stories on the parcel record | 6 stories | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#how-we-know) | | Building area on the parcel record | 161,653 square feet | [County and state public records](https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/#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) | $11,000 | $20,500 | $34,000 | | Facade wash with mold or growth treatment | $16,000 | $29,500 | $51,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $20,500 | $36,500 | $61,000 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $4,000 | $8,000 | $13,500 | | Windows inside and out | $7,000 | $13,500 | $24,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $27,000 | $54,000 | $94,500 | | Windows inside and out, rope access | $29,500 | $59,500 | $105,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $20,500. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $8,000. ## Similar buildings nearby - [4218 L B J Freeway, Dallas](https://skypsi.com/property/tx/dallas-fort-worth/sp079yn4xqkq6d4-4218-l-b-j-freeway-dallas/) - [3811 Rawlins Street, Dallas](https://skypsi.com/property/tx/dallas-fort-worth/spfca8g9e9tysf1-3811-rawlins-street-dallas/) - [4230 L B J Freeway, Dallas](https://skypsi.com/property/tx/dallas-fort-worth/spezb7mvjxfqm2x-4230-l-b-j-freeway-dallas/) ## 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. - [Overture Maps addresses](https://docs.overturemaps.org/attribution/): Street addresses from the Overture Maps addresses 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. - [USGS 3D Elevation Program](https://www.usgs.gov/3d-elevation-program): Lidar elevation data that gives building heights where other sources have none. 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 addresses, Overture Maps places, SkyPSI estimator, USGS 3D Elevation Program. 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/ Addresses: Overture Maps Foundation, overturemaps.org (addresses theme), including the U.S. Department of Transportation National Address Database (NAD). https://docs.overturemaps.org/attribution/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Building heights from the U.S. Geological Survey 3D Elevation Program (public domain). https://www.usgs.gov/3d-elevation-program Page: https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas/ JSON: https://skypsi.com/property/tx/dallas-fort-worth/spkqq39whpd39gw-4230-l-b-j-freeway-dallas.json Content license: https://skypsi.com/content-license.txt