Trinity Square$50.93 – $62.01/SF/yr FS
680 S Lamar Blvd
58,100 SF of Office space available at 680 S Lamar Blvd, Austin, TX 78746. For Lease through Frontier Commercial.
For LeaseStatus
58,100 SFAvailable
$44.91/SFAsking rent
1934Year built
CClass
Property facts
| Property type | Office |
|---|---|
| Building class | C |
| Rentable area | 308,600 SF |
| Available | 58,100 SF |
| Stories | 12 |
| Year built | 1934 |
| Typical floor | 25,716 SF |
| Lot size | 2.9 acres |
| Parking ratio | 3.3/1,000 SF |
| Occupancy | 81.2% |
| Zoning | CS |
| Parcel ID | 51-578-6548 |
| Submarket | Southwest / Barton Creek |
| Market | Austin |
| Days on market | 100 |
| Walk Score | 89 |
| Transit | Commuter rail 8 min |
| Listing package | Basic |
Building amenities
Restaurant, Food Service, LEED Gold, Property Manager on Site, Security System, Bike Storage
Spaces available
| Floor | Use | Type | Size (SF) | Asking rent | Term | Status |
|---|---|---|---|---|---|---|
| P 2nd | Retail | Direct | 3,220 – 11,380 | $51.11/SF | Negotiable | Oct 2026 |
| P 11th | Medical | Direct | 2,020 – 5,440 | $37.58/SF | 3-10 Years | Vacant |
| P 12th | Medical | Direct | 4,250 – 10,690 | $49.43/SF | Thru Mar 2030 | Oct 2026 |
| P 8th | Coworking | Sublet | 30,590 | On request | Thru Sep 2032 | Vacant |
Major tenants
| Tenant | Industry | Floor | SF | Lease expiry |
|---|---|---|---|---|
| Zephyr Aerospace | Real Estate | 8 | 53,730 | 2024-09-01 |
| Hudson Asset Management | Healthcare | 3 | 74,280 | 2031-07-01 |
| Westfall Legal | Professional Services | 9 | 51,380 | 2033-08-01 |
| Westfall Legal | Legal | 12 | 4,610 | 2034-08-01 |
Public record
| Owner of record | Cascade Realty Trust LLC |
|---|---|
| Assessed value | $65.81M |
| Land value | $18.85M |
| Improvement value | $46.96M |
| Annual tax | $1.07M |
| Tax year | 2026 |
| Lot size | 126,324 SF |
| Last deed | 2022-07-02 |
| Deed type | Warranty Deed |
| Legal description | LOT 19 BLK 202 SOUTHWEST / BARTON CREEK ADDN |
Location
680 S Lamar Blvd
Austin, TX 78746
Southwest / Barton Creek submarket · Austin market
30.25758, -97.80778
Open in RealStarListing package
Basic — Standard placement below paid listings.
Free listing on RealStarGlobal.com with core building facts, six photos and direct broker contact.
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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.