WDF Inc
City-funded organization
WDF Inc is a Mount Vernon, NY-based general contractor specializing in mechanical, plumbing, and fire-protection construction, including major water and wastewater treatment plant projects. It holds $8.9 million in active NYC contracts as of August 2026 with DCAS and the Department of Environmental Protection, and has been awarded $880 million in city contract value since 2003 for work such as plumbing and fire-suppression maintenance and upgrades to the Jamaica and Owls Head wastewater treatment plants.
- Industry (per city contracts)
- Construction Services
- City contracts (active)
- $8,921,000 · 1 contract
- Awarded all-time
- $880,616,688 · 49 since 2003, incl. expired
- Paid to date
- $812,306,918
- Won without a fresh bid
- 9% of contract value · $80,300,466 · 13 contracts
- Based in
- Mt. Vernon, NY (NY State)
- Chairman / CEO
- Joseph Krajczewski
Holds contracts at
- Department of Citywide Administrative Services City agency
- Department of Environmental Protection City agency
City contracts
Registered city contracts, largest first by current contract value (not amount spent): running now, then registered to start later, then ended. Totals count every registered contract. Each line shows its Checkbook contract ID. The tag on each row is how it was awarded (“no-bid” = non-competitive).
- Citywide Plumbing and Fire Suppression RC Renewal #1 Department of Citywide Administrative Services · CT185620268801061 $8,921,000
- JAMAICA IMPROVEMEMTS PLANT UPGRD PHASE 2 Department of Environmental Protection · CT182620040027836 · ended 2020 $239,373,930
- Carbon Addition Facilities at various WWTPs Department of Environmental Protection · CT182620141415967 · ended 2020 $92,315,994
- BNR TECHNOLOGY UPGRADE-GENERAL CONSTRUCTION ( PO-87G ) Department of Environmental Protection · CT182620070017436 · ended 2012 $47,247,169
- OWLS HEAD MODIFICATIONS TO GRIT & SCUM BLDG S&E Department of Environmental Protection · CT182620070042720 · ended 2012 $30,846,842
- Resiliency Job Order, General, Queens & Manhattan Department of Environmental Protection · CT182620201407055 · ended 2021 $27,500,000
- PLUMBING JOB ORDER CONTRACT FOR EAST REGION Department of Environmental Protection · CT182620171429297 · ended 2020 $23,337,600
- Tallman Island WPC Ph 1A Plant Upgrade HVAC Department of Environmental Protection · CT182620070006726 · ended 2019 $21,296,805
- GENERAL CONSTRUCTION JOB ORDER CONTRACT FOR NORTH REGION Department of Environmental Protection · CT182620191415167 · ended 2021 $21,000,000
- GENERAL CONSTRUCTION JOB ORDER CONTRACT FOR EAST REGION Department of Environmental Protection · CT182620171429296 · ended 2020 $21,000,000