HALFF ASSOCIATES
- Addresses
- 13620 BRIARWICK DR SUITE 100, AUSTIN, TX 78729
P O BOX 678316, DALLAS, TX 75267
PO BOX 4897 DEPT 331, HOUSTON, TX 77079
PO BOX 678316, DALLAS, TX 75267
PO Box 678316, Dallas, TX 75267 - Service
- TRAIL DESIGN SVCS
- Total reported
- $5,331,844
- Website
- Find website (990s don't list vendor websites; this searches DuckDuckGo)
Who paid them
| Year | Organization | Service | Location | Paid | Filing |
|---|---|---|---|---|---|
| 2025 | EAST RIO HONDO WATER SUPPLY CORPORATION | ENGINEERING | HOUSTON, TX | $1,020,318 | view original ↗ |
| 2024 | ARK-TEX COUNCIL OF GOVERNMENTS | PROFESSIONAL SERVICES- FLOOD PLAN | AUSTIN, TX | $458,794 | view original ↗ |
| 2023 | ARK-TEX COUNCIL OF GOVERNMENTS | PROFESSIONAL SERVICES- FLOOD PLAN | AUSTIN, TX | $434,375 | view original ↗ |
| 2022 | ARK-TEX COUNCIL OF GOVERNMENTS | PROFESSIONAL SERVICES- FLOOD PLAN | AUSTIN, TX | $513,768 | view original ↗ |
| 2022 | EAST RIO HONDO WATER SUPPLY CORPORATION | CONSTRUCTION | DALLAS, TX | $186,266 | view original ↗ |
| 2021 | ARK-TEX COUNCIL OF GOVERNMENTS | PROFESSIONAL SERVICES- FLOOD PLAN | AUSTIN, TX | $578,453 | view original ↗ |
| 2021 | CIRCUIT TRAIL CONSERVANCY | TRAIL DESIGN SVCS | DALLAS, TX | $391,804 | view original ↗ |
| 2020 | CIRCUIT TRAIL CONSERVANCY | TRAIL DESIGN SVCS | DALLAS, TX | $685,646 | view original ↗ |
| 2020 | ARK-TEX COUNCIL OF GOVERNMENTS | PROFESSIONAL SERVICES- FLOOD PLAN | AUSTIN, TX | $232,099 | view original ↗ |
| 2018 | HOUSTON PARKS BOARD | Design services | Dallas, TX | $682,011 | view original ↗ |
| 2018 | MARBLE FALLS ECONOMIC DEVELOPMENT CORPORATION | DESIGN & ENGINEERING | DALLAS, TX | $148,310 | view original ↗ |
Grouped by normalized name; different firms with identical names appear together. Check the addresses.