Kollman, John W

All residential and commercial construction in Wisconsin requires a licensed contractor.

Kollman, John W currently holds license 120114 (Plumber, Plumber**), which was Active when we last checked.

Licensed contractors in Wisconsin must carry both general liability and workers' compensation insurance, request a copy of current insurance certificates for each.

Licensed contractors in Wisconsin are required to obtain a surety bond.In the event of losses or damages incurred during a construction project,a homeowner can file a claim against a contractors bond.

The BuildZoom score is based on a number of factors including the contractor's license status, insurance status, verified work history, standing with local consumer interest groups, verified reviews from other BuildZoom users and self-reported feedback from the contractor.

When it comes to major construction work or even minor alterations to your home, hiring the wrong contractor could result in incomplete or defective work. You may even find yourself dealing with huge liability claims. BuildZoom does the homework for you and helps you hire the right contractor.

Before hiring a contractor in Wisconsin, be sure to get at least 3 detailed bids. Quality contractors will take the time to explain their budget proposal,and help guide you through the estimate process. Be wary of an abnormally low bid, they are not worth the risk. These underpriced projects often do not end well for the homeowner, choose a contractor you trust and can clearly communicate with. BuildZoom has made the bid collection process extremely simple (and free). Just click here to get started.