# 3603 South Congress Avenue, Austin Office in Austin, Texas. It covers 25,091 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 14, 2026. Method propdata-estimator-v6. ## This building 3603 South Congress Avenue, Austin. Office in Austin, Texas. Property ID spfv9vnmzxkppmp. ## Facts **Facts about 3603 South Congress Avenue, Austin** | Fact | Value | Source | | --- | --- | --- | | Address | 3603 South Congress Avenue, Austin, TX 78704 | [USA Structures](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Building type | Office | [USA Structures and SkyPSI estimator](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Place name | Am 1300 The Zone | [Overture Maps places](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Place type | radio station | [Overture Maps places](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Footprint | 25,091 square feet | [USA Structures](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Perimeter | 771.92 feet | [USA Structures](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Height | 14.86 feet | [USGS 3D Elevation Program](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Height survey year | 2017 | [USGS 3D Elevation Program](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Stories | 1 story | [USGS 3D Elevation Program](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Exterior wall area | 11,472 square feet | [SkyPSI estimator](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Parcel number | 312544 | [County and state public records](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Land use | F1 Commercial real property | [County and state public records](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#how-we-know) | | Year built | 1923 | [County and state public records](https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/#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 from a boom lift, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $1,500 | $3,000 | $5,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $3,000. ## Similar buildings nearby - [118 East Alpine Road, Austin](https://skypsi.com/property/tx/austin/spnzjn95yptpf1v-118-east-alpine-road-austin/) - [Office in Austin](https://skypsi.com/property/tx/austin/spm4aph1tsdhghj-office-austin/) - [3601 S Congress Ave, Austin](https://skypsi.com/property/tx/austin/spjg6mj7egc6f8x-3601-s-congress-ave-austin/) ## 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 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 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/ 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/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin/ JSON: https://skypsi.com/property/tx/austin/spfv9vnmzxkppmp-3603-south-congress-avenue-austin.json Content license: https://skypsi.com/content-license.txt