Radtke Contractors Inc

Radtke Contractors Inc

Boat Sales, Services, & Shoreline Contractors

About Us

Radtke Contractors has been serving the Lake Winnebago area since 1965. We are proud and excited to be serving the Green Lake Area starting in 2023! We provide custom boatlifts, docks, wharfs, seawalls, boat houses, and shoreline restoration. Our docks and boatlifts provide a convenient way to enjoy your time on the lake!


  • Seasonal/ Permanent Docks
  • Seasonal/ Permanent Boat lifts
  • Custom Boat lifts
  • Seawalls
  • Shoreline restoration


Seasonal dock, boat lift, and roof
Seasonal dock on Lake Winnebago
Seasonal dock w/ 2 boat lifts and roofs
One of our 4 Barges
Jet ski Lift
Permanent dock, boat lift, and roof
Dock and lift
Public boat ramp
Barge 1 with new dock
Barge 2 with seasonal dock and lift
Barge 4
Barge 2
Barge 1 with riprap
Barge 1
Radtke's 40' Seasonal dock section
Transporting seasonal docks


Marine Division Laborer
Category: Construction, Installation and Mechanical
Job opportunity: We are looking to add multiple Marine Division Laborers to our team. These individuals will be hard working, flexible, dependable, able to follow direction, and work well within a team.Job Responsibilities:Learn and follow safety regulationsFraming of docks and seawallsAssist with the manufacturing, installation, and repair of boat lifts and seasonal docksHooking up rigging for ...read more
Phone:(920) 582-4114
Marine Division Carpenter
Category: Construction, Installation and Mechanical
Job Opportunity: We are looking to add a carpenter to our marine division. This position will fill an important role in the installation of our custom boat lifts/roofs, docks, wharfs, and seawalls. This position evolves working outside most of the year on the beautiful waters of the Winnebago system.  Job Responsibilities:Under the supervision of the barge foreman, Install pilings, docks, ...read more
Phone:(920) 582-4114