Wisconsin Sewer Line & Trenchless Pipe Relining Contractor

Yes. In Wisconsin, performing sewer & trenchless specialist contracting work requires regulatory approval overseen by the Wisconsin Department of Safety and Professional Services (DSPS). Operating without proper credentials can subject contractors to stop-work orders, administrative citations, and fines.

While specific municipal requirements can exceed state minimums, contractors typically must carry at least $1,000,000 Each Occurrence / $2,000,000 General Aggregate. General liability coverage protects your business against third-party bodily injury, property damage, and completed operations claims during and after construction.

The statutory bond requirement in Wisconsin is generally $25,000 Dwelling Contractor Financial Bond. With good credit (scores above 680), an annual surety bond premium typically costs between $450 and $675 per year (1% to 2% of total bond penalty value). Contractors with lower credit scores can expect rates between $810 and $1125 annually.

Mandatory for employers with 3+ employees or $500+ payroll in any quarter. Regardless of state minimum thresholds, commercial project owners, general contractors, and municipal permitting offices almost always mandate a valid Certificate of Insurance (COI) listing workers' comp before releasing jobsite access.

Wisconsin currently maintains reciprocal licensing or exam waiver agreements with: MN, IL. Qualifying out-of-state contractors in good standing may apply to waive the trade examination portion of the license application.