April 2026
Related Article:
Race Toward Olympic Readiness Fuels Multiple 2025 Top Starts
Click below for earlier editions:
2024 |
Click here for archived ENR California & Northwest top lists.
| Rank | Project/ Location |
Project Cost ($ Mil.) | Start Date/ End Date |
Owner/Developer | Team |
|---|---|---|---|---|---|
| 1 | Los Angeles Convention Center Los Angeles |
2,600 | Oct. 2025 March 2029 |
City of Los Angeles | Development Partner: Plenary Americas General Contractor: PCL Construction, Webcor Construction JV |
| 2 | Honolulu Skyline Rail — Segment 3 Honolulu |
1,660 | Oct. 2025 2030 |
Honolulu Authority for Rapid Transportation | Contractor: Tutor Perini Corp. Design: Parsons Corp. |
| 3 | Kaiser Permanente Railyards Medical Center Sacramento |
1,500 | March 2025 2029 |
Kaiser Permanente | General Contractor: Hensel Phelps Construction Co. Architect: SmithGroup |
| 4 | Los Angeles Airport (LAX) Roadway Improvements Los Angeles |
1,500 | Dec. 2025 July 2030 |
Los Angeles World Airports (LAWA) | General Contractor & Engineer: Skanska USA Building Inc. |
| 5 | Good Samaritan Hospital Expansion San Jose, Calif. |
1,300 | Oct. 2025 2032 |
Good Samaritan Hospital | General Contractor: Layton Construction Architect: Perkins & Will |
| 6 | I-105 Express Lanes, Phase 1 (between I-405 and I-110) Los Angeles |
757 | April 2025 July 2028 |
LA County Metropolitan Transportation Authority-HQ | General Contractor: Myers & Sons Construction LLC Engineer: LA County Metropolitan Transportation Authority-HQ |
| 7 | Kuilei Place Housing Tower Mixed Use Honolulu |
619 | July 2025 July 2027 |
Kobayashi Group LLC | General Contractor: Albert C. Kobayashi Inc. Architect: Design Partners Inc. |
| 8 | Jacumba Valley Ranch Solar Energy Park JVR 90 MW Southeastern San Diego County |
416 | Dec. 2025 Nov. 2026 |
BayWa r.e Americas | General Contractor: EPC Services Co. Civil Engineer: Kimley-Horn |
| 9 | CRMC East and West Towers Seismic Retrofit Fresno, Calif. |
350 | July 2025 July 2030 |
Community Regional Medical Center | General Contractor: Swinerton Inc. Architect: HGA Architects and Engineers Structural Engineer: Degenkolb Engineers |
| 10 | Appaloosa Solar Facility (142-MW Solar-BESS 150 MW), Pomeroy, Wash. |
287 | Oct. 2025 Dec. 2026 |
Appaloosa Solar Project LLC | Architect: Hanwha Q Cells America Inc. |
| 11 | Sierra Pacific Industries Sawmill Facility Upgrades Eugene, Ore. |
253 | June 2025 Oct. 2028 |
Sierra Pacific Industries | General Contractor: Wildish Construction Architect: Sierra Pacific Industries |
| 12 | Lost Hills Environmental TASW Material Recovery Facility Lost Hills, Calif. |
220 | Jan. 2025 NA |
Holloway AG | General Contractor: Papich Construction Co. |
| 13 | Rehabilitate El Portal Wastewater Treatment Facility El Portal, Calif. |
217 | Sept. 2025 NA |
National Park Service | General Contractor: Kiewit Infrastructure West Co. |
| 14 | I-405 Multi Asset Improvements Irvine, Calif. |
216 | Feb. 2025 Dec. 2026 |
State of California Dept. of Transportation | General Contractor: Guy F. Atkinson Construction LLC Engineer: Michael Baker International |
| 15 | Project Delorean/Ball Aluminum Plant Millersburg, Ore. |
200 | Nov. 2025 NA |
Ball Corp. - Headquarters | Architect: Powers Brown Architecture - Denver Office Electrical Engineer: Architectural Engineering Design Group Mechanical Engineer: Thompson Engineering Structural Engineer: Martin/Martin Inc. |
| 16 | P859 DBB CVN Aircraft Carrier Electrical Upgrade Bremerton, Wash. |
183 | Nov. 2025 Aug. 2030 |
NAVFAC Northwest NAVFAC Northwest | General Contractor: Contrack Watts Inc. |
| 17 | Flexential Data Center 5 Fitout Hillsboro, Ore. |
175 | Sept. 2025 NA |
Via West | General Contractor: Corgan Associates Inc. |
| 18 | Naliko Residential Community & Parking Garage Kapolei, Hawaii |
170 | Dec. 2025 July 2027 |
James Campbell Co. | General Contractor: Moss & Associates Architect: TCA Architects |
| 19 | Torrance Groundwater Desalter Expansion Project Torrance, Calif. |
160 | Nov. 2025 May 2027 |
Water Replenishment District of Southern California | General Contractor, Architect & Engineer: McCarthy-Jacobs JV |
| *Top Starts project details were derived from data provided by Dodge Data & Analytics, reports from within the public record and information provided by the project teams. NA — Not available. |
|||||
Copyright ©2026. All Rights Reserved BNP Media, Inc. and BNP Media II, LLC.
Design, CMS, Hosting & Web Development :: ePublishing