Irvine Ranch Water District construction bids
Open bids as of Oct 22, 2026
Irvine Ranch Water District is a public agency in California. This page lists its open construction bids with links to the official notices, the portal it posts on, and its award history from official bid tabulations where we hold them.
Award history
The newest tabulated projects (newest letting Jun 24, 2026). Low bid is the apparent low bid on the tabulation; award status is not in this data. Bidder names are not shown.
| Project | Letting | Bidders | Low bid | Tabulation |
|---|---|---|---|---|
| Sand Canyon Headquarters and Operations Center HVAC Upgrades | Jun 24, 2026 | 4 | $4,526,061 | Official tabulation |
| San Joaquin Dam Drainage Improvements | Apr 28, 2026 | 3 | $1,947,000 | Official tabulation |
| Relocation of 12-inch Domestic Water Pipeline at I-5 Segment 1 and Sand Canyon Avenue | Feb 10, 2026 | 4 | $333,640 | Official tabulation |
| Relocation of 36-inch Recycled Water Pipeline at I-5 Segment 2 and Culver Drive | Dec 16, 2025 | 5 | $505,683 | Official tabulation |
| Turtle Rock - Rocky Knoll Recycled Water Pipeline Replacement | Nov 12, 2025 | 6 | $624,000 | Official tabulation |
| Rehabilitation of Dyer Road Wellfield Well No. 7 | Oct 22, 2025 | 4 | $1,122,025 | Official tabulation |
| Michelson Water Recycling Plant Biosolids Lift Station and Sewer Pipeline (Re-Bid) | Jul 24, 2025 | 3 | $4,186,573 | Official tabulation |
| Technology Drive and Ada Recycled Water Pipeline Replacement | Jul 9, 2025 | 8 | $1,882,082 | Official tabulation |
| Initial Disinfection Facility Sodium Hypochlorite Feed System Replacement | May 20, 2025 | 3 | $81,946 | Official tabulation |
| Lake Forest Woods Sewer Improvements | Apr 8, 2025 | 5 | $4,643,784 | Official tabulation |
Bidders per project
- Projects with bid tabs
- 49
- Average bidders
- 3.6
- Median bidders
- 3
- Single-bid rate
- 14.3%