| John McKenzie House-FY | Economic Development & Culture | State of Good Repair C03 | 18 | $600 |
| John Street Corridor Improvements | active | — | — | — |
| JOS UPDATE PHASE III | Water Program | Growth Related C05 | CW | $17 |
| Journey Together | Complete | — | — | $100K |
| Journey Together funded Child & Family Program | Complete | — | — | $450K |
| Journey Together funded Child & Family Program | Complete | — | — | $450K |
| Kamview Nordic Centre - Surface Water Management | Approved | — | — | $10K |
| Kanata Highlands Public Elementary School | Complete | State of Good Repair C03 | CW | $14.9M |
| Kapuskasing Asset Management Project | Approved | — | — | $6K |
| Keating Pedestrian Bridge Change in Scope | Waterfront Revitalization Initiative | Growth Related C05 | 14 | — |
| Kedron #1 Catholic Elementary School | Planning | Legislated C02 | CW | $27.6M |
| Keele Street Safety and Bikeway Improvements | active | cycling | — | — |
| KEELE VALLEY | Solid Waste Management Services | Legislated C02 | CW | $5K |
| Keelesdale Park - Rebuild Stairs/Path/N.Sporting^ | Parks, Forestry & Recreation | Service Improvement and Enhancement C04 | 05 | $243 |
| Keewatin Public Elementary School | Complete | Service Improvement and Enhancement C04 | CW | $418K |
| Kemptville Public Elementary School | Complete | State of Good Repair C03 | CW | $3.3M |
| Kettle Creek Public Elementary School | Complete | State of Good Repair C03 | CW | $0 |
| Kids Zone Lakeside | Complete | — | — | $350K |
| Kidzdome | Complete | — | — | $1.5M |
| Killarney Beach Public Elementary School | Planning | State of Good Repair C03 | CW | $22.1M |
| Kincardine Asset Management Project | Approved | — | — | $5K |
| Kincardine Public Secondary School | Planning | State of Good Repair C03 | CW | $26.5M |
| King George | Complete | Service Improvement and Enhancement C04 | 13 | $2.0M |
| Kingston Central / Module Vanier Public Secondary School | Complete | State of Good Repair C03 | CW | $37.4M |
| Kingston West Catholic Elementary School | Complete | Growth Related C05 | CW | $17.8M |
| Kingsville Public Elementary and Secondary School | Complete | State of Good Repair C03 | CW | $56.1M |
| Kipling Avenue Roadway Improvements | active | roads | — | — |
| Knoxdale Public Elementary School | Complete | Service Improvement and Enhancement C04 | CW | $519K |
| La Cite collégiale - Place La Cité - Interdisciplinary Creativity Incubators | Complete | — | — | $29.0M |
| Lackner Woods Public Elementary School | Complete | State of Good Repair C03 | CW | $3.5M |
| Lake Erie North Shore ATV Trail Project | Approved | — | — | $2K |
| Lake of Bays Asset Management Project | Approved | — | — | $4K |
| Lake of the Woods Asset Management Program | Approved | — | — | $3K |
| Lake Shore Boulevard East Public Realm | active | roads | — | — |
| Lake Simcoe Public Elementary School | Complete | State of Good Repair C03 | CW | $8.7M |
| Lakefield Wastewater System Upgrades | Approved | — | — | $567K |
| Lakeshore Catholic Secondary School | Complete | State of Good Repair C03 | CW | $5.5M |
| Lakeshore Public Elementary School | Under construction | State of Good Repair C03 | CW | $22.2M |
| Lakeside Public Elementary School | Complete | Service Improvement and Enhancement C04 | CW | $908K |
| Lakeview Public Elementary School | Complete | Service Improvement and Enhancement C04 | CW | $3.1M |
| Lambton Shores - Asset Management Project | Approved | — | — | $5K |
| Lanark Highlands - Asset Management Project | Approved | — | — | $4K |
| Lancaster Public Elementary School | Complete | Growth Related C05 | 02 | $823K |
| Land Adjacent to 2175 Lake Shore Blvd. W Jade Park | Parks, Forestry & Recreation | Service Improvement and Enhancement C04 | 03 | $600 |
| Land of Lakes Senior Public Elementary School | Complete | State of Good Repair C03 | CW | $600K |
| Landfill Gas Control System - Future Years | Solid Waste Management Services | Legislated C02 | CW | $16K |
| Landfill Gas Utilization | Solid Waste Management Services | Service Improvement and Enhancement C04 | CW | $32K |
| Landfill Optimization and Waste Diversion | Approved | — | — | $455K |
| LARC Amherstview Daycare | Complete | — | — | $1.6M |
| Larose Forest Trails - Infrastructure, Rehabilitation and Signage | Approved | — | — | $96K |