| Castle Oaks Public Elementary School | Complete | State of Good Repair C03 | CW | $12.6M |
| Catholic Family Services of Durham | Complete | State of Good Repair C03 | CW | $1.1M |
| CCTV INSPECTION | Wastewater Program | State of Good Repair C03 | CW | $10K |
| Cedar Creek Public Elementary School | Complete | State of Good Repair C03 | CW | $8.0M |
| Cedar Hollow Public Elementary School | Complete | State of Good Repair C03 | CW | $15.7M |
| Centennial College - Downsview Park Aerospace Campus | Complete | Growth Related C05 | 02 | $72.4M |
| Centennial Hylands Public Elementary School | Complete | Growth Related C05 | 02 | $2.1M |
| Centennial Park Master Plan Ph1 Implementation | Parks, Forestry & Recreation | Growth Related C05 | 02 | $2K |
| Central Algoma Public Elementary and Secondary School | Complete | State of Good Repair C03 | CW | $3.1M |
| Central Elgin - Asset Management Project | Approved | — | — | $5K |
| Central Huron Asset Management Project | Approved | — | — | $5K |
| Central Manitoulin Public Elementary School | Complete | State of Good Repair C03 | CW | $328K |
| Central Public Elementary School | Complete | Service Improvement and Enhancement C04 | CW | $2.1M |
| Centre Hastings - Asset Management Project | Approved | — | — | $4K |
| Centre Hastings Public Elementary and Secondary School | Complete | State of Good Repair C03 | CW | $3.1M |
| Centre pour l'enfant et la famille ON y va | Complete | — | — | $260K |
| Centre Wellington Public Elementary School | Under construction | State of Good Repair C03 | CW | $17.9M |
| Champagne-Alness Road Safety Improvements | active | roads | — | — |
| Chapple Asset Management Project | Approved | — | — | $4K |
| Charles Howitt Public Elementary School | Complete | State of Good Repair C03 | CW | $3.3M |
| Charlton and Dack - Asset Management Program | Approved | — | — | $4K |
| Chelmsford Valley District Public Secondary School | Complete | State of Good Repair C03 | CW | $5.9M |
| CHEMICAL SYSTEMS AND SERVICE WATER MODIFICATIONS | Water Program | Health and Safety C01 | CW | $37 |
| CHEO Integrated Treatment Centre | Under construction | Service Improvement and Enhancement C04 | CW | $371.4M |
| Chicopee Hills Public Elementary School | Complete | State of Good Repair C03 | CW | $11.6M |
| Child and Family | Complete | — | — | $1.0M |
| Children's Treatment Centre of Chatham-Kent Redevelopment Project | Under construction | Growth Related C05 | 03 | $0 |
| Chisholm Asset Management Project | Approved | — | — | $4K |
| Chris Hadfield Public Elementary School | Complete | State of Good Repair C03 | CW | $10.1M |
| Christian Horizons Rebuild | Complete | — | — | $1.5M |
| Christian Horizons Upgrades and Repairs | Complete | Legislated C02 | CW | $55K |
| Churchill Public Elementary School | Complete | State of Good Repair C03 | CW | $4.3M |
| Churchville Public Elementary School | Complete | State of Good Repair C03 | CW | $12.2M |
| Circular Economy and Innovation | Solid Waste Management Services | Service Improvement and Enhancement C04 | CW | $3K |
| City of Barrie Asset Management Project | Approved | — | — | $19K |
| City of Belleville - Asset Management Project | Approved | — | — | $17K |
| City of Burlington - Asset Management Project | Approved | — | — | $26K |
| City of Cornwall Asset Management Project | Approved | — | — | $17K |
| City of Kitchener Asset Management Project | Approved | — | — | $31K |
| City of North Bay Asset Management Project | Approved | — | — | $19K |
| City of Oshawa - Asset Management Project | Approved | — | — | $24K |
| City of Pembroke - Asset Management Program | Approved | — | — | $7K |
| City of Pickering Asset Management Program | Approved | — | — | $16K |
| City of Port Colborne Asset Management Program | Approved | — | — | $6K |
| City of Quinte West - Asset Management Application | Approved | — | — | $14K |
| City of Temiskaming Shores Asset Management Project | Approved | — | — | $7K |
| City of Thunder Bay Asset Management Project | Approved | — | — | $35K |
| City of Timmins - Asset Management Project | Approved | — | — | $16K |
| City of Vaughan - Asset Management Project | Approved | — | — | $30K |
| City of Welland - Asset Management Project | Approved | — | — | $11K |