1234 Congress Ave

70,000 SF of Office space available at 1234 Congress Ave, San Antonio, TX 78229. For Lease through Frontier Commercial.

For LeaseStatus
70,000 SFAvailable
$30.77/SFAsking rent
2004Year built
BClass

Property facts

Property typeOffice
Building classB
Rentable area70,000 SF
Available70,000 SF
Stories3
Year built2004
Typical floor23,333 SF
Lot size3.24 acres
Parking ratio2.7/1,000 SF
ZoningIL
Parcel ID22-953-1177
SubmarketNorthwest / Medical Center
MarketSan Antonio
Days on market584
Walk Score48
TransitPATH 3 min walk
Listing packageDiamond

Building amenities

Energy Star, LEED Gold

Spaces available

FloorUseTypeSize (SF)Asking rentTermStatus
P 2ndMedicalDirect3,150 – 13,030$25.81/SFNegotiableVacant
P 1stOfficeDirect7,070 – 19,180$30.27/SFNegotiableVacant
P 3rdOfficeDirect3,560 – 6,410$29.74/SFNegotiableSep 2026
P LBBYMedicalDirect2,800 – 6,400$33.58/SFNegotiableVacant
P 3rdOfficeDirect3,320$30.28/SFNegotiableVacant
P 2ndOfficeDirect1,650 – 2,770$34.70/SFNegotiableVacant
P 1stOff/RetDirect5,880 – 18,890On request3-10 YearsNov 2025

Public record

Owner of recordThornfield Investments LLC
Assessed value$7.44M
Land value$2.63M
Improvement value$4.82M
Annual tax$92K
Tax year2026
Lot size141,134 SF
Last deed2026-02-03
Deed typeGrant Deed
Legal descriptionLOT 36 BLK 383 NORTHWEST / MEDICAL CENTER ADDN

Contact the listing team

Your enquiry goes straight to the listing broker. No account required.

By sending you agree to our terms. We do not sell contact details.

Location

1234 Congress Ave
San Antonio, TX 78229
Northwest / Medical Center submarket · San Antonio market

29.49767, -98.54169

Open in RealStar

Listing package

Diamond — Top placement across the network.

Top placement across search, market pages and the mobile app, full media production, machine-matched buyer targeting using transaction history, and a named marketing manager.

Compare packages →

Similar office properties in San Antonio, TX

Republic PlazaSan Antonio, TX · Office · Class B14,500 SF available$24.58 – $29.93/SF/yr FS
2191 Main StSan Antonio, TX · Office · Class A3,500 SF available$30.71 – $37.38/SF/yr FS
1783 Ocean DrSan Antonio, TX · Office · Class B2,200 SF available$27.70 – $33.72/SF/yr FS

Explore this market

Property-level inventory shown here is RealStarGlobal sample data generated for product demonstration; live market activity, deal flow and news are sourced from the Acquirepad CRE intelligence feed and the public registries listed in the data sourcing plan.