600 Congress Ave, Austin, TX

600 Congress Ave is a downtown Austin CBD site at approximately 30.268138, -97.742856 in Census Tract 11.01, per the geocode data. property records parcel boundary data identifies a parcel boundary for 600 Congress Ave 78701 with prop_id 194357 and an estimated site area of roughly 25,750 square feet / 0.59 acres calculated from the provided property records boundary coordinates; however, the separate property records parcel lookup returned “No parcel found,” so ownership and assessed-value details are unavailable from the retrieved data.

City of Austin Zoning data maps the property as CBD, with base zone “CBD” and base zone category “Central Business District.” This is a favorable downtown commercial zoning designation for urban mixed-use/commercial development, but the provided zoning dataset does not include the detailed use table, FAR, height, setbacks, parking requirements, Capitol View Corridor status, historic overlays, or other combining/overlay districts. Those entitlement details must be verified with Austin Development Services before underwriting a specific program.

Given the CBD zoning shown by City of Austin Zoning data and the downtown Congress Avenue location, the site is positioned for high-intensity commercial or mixed-use urban development, subject to confirmation of CBD use permissions and any overlay constraints with Austin Development Services. The City permit data also shows active interior work at 600 Congress Ave, including a 13,455 SF interior alteration for Unit 2000 issued 2026-06-03 and a 20th-floor interior non-structural demolition issued 2026-05-08, indicating ongoing reinvestment/repositioning activity within the existing building. Based on the sourced data, the most realistic near-term strategy is continued office/retail tenant improvement or repositioning; larger redevelopment should be evaluated after confirming full zoning entitlements, existing building constraints, and parcel/legal details.

Flood risk is favorable: flood records NFHL maps the site in Zone X, “Area of minimal flood hazard,” with in_sfha=false and no BFE listed. Regulatory risk is moderate only because the provided City zoning data identifies CBD but does not include detailed dimensional standards, use permissions, or overlay restrictions, which must be verified with Austin Development Services. Data limitations include the property records parcel lookup returning no parcel record while property records boundary data did return prop_id 194357; this is a records/retrieval limitation, not a property risk. No environmental database results were provided, so environmental conditions are unknown from the retrieved data and should be addressed through standard Phase I diligence if acquisition or redevelopment is contemplated.

The site has excellent multimodal access characteristics: walkability index reports a 99 “Walker’s Paradise,” Transit Score 69 “Good Transit,” and Bike Score 95 “Biker’s Paradise.” ACS 2022 data for Census Tract 11.01 shows a high-income, renter-heavy downtown market with population 1,755, median household income $101,936, median age 34.8, 877 housing units, 76.3% renter occupancy, median gross rent $1,890, and unemployment of 3.1%. City of Austin permit data shows substantial nearby activity on Congress Ave, including 20 retrieved issued permits, with multiple 2026 remodel/interior alteration permits at 200, 401, 515, 600, 709, 809, and 816 Congress Ave, supporting evidence of active downtown tenant improvement and building reinvestment activity. traffic records traffic data reports IH0035 counts of 161,912 ADT, which supports regional accessibility but should not be treated as a Congress Avenue frontage count because the retrieved traffic records are for IH0035-LG/RG.

Source: City of Austin Issued Construction Permits