Wisconsin Grease Interceptor Installation & Grease Trap Contractor
Official statutory licensing standards, state surety bond mandates, and commercial liability minimums overseen by the Wisconsin Department of Safety and Professional Services (DSPS). Satisfy General Contractor (GC) compliance requirements and secure instant digital ACORD 25 certificates to keep your grease trap specialist crew jobsite-ready.
Contractor Liability & Bond Premium Estimator
Estimate your required general liability and state license bond costs instantly based on state statute and operational volume.
*Estimates based on standard market rates for commercial artisan contractors. Exact quotes require underwriting review of prior loss history, specific endorsements, and payroll declarations.
Grease Interceptor Installation & Grease Trap Contractor Scope of Work & Legal Permitting Authority
Grease trap contractors excavate, plumb, and vent 1,000-gallon exterior concrete grease interceptors preventing FOG discharge into municipal sewers.
Defined Authorized Scope of Construction:
Exterior concrete tank crane setting, commercial dishwasher interceptor lines, sampling tee vaults, and cast iron traffic covers.
Mandatory Experience Prerequisites
3 to 4 years commercial restaurant plumbing, precast grease interceptor setting, and municipal sewer pre-treatment compliance
Required Insurance Policy Endorsements
Municipal Sewer FOG Contamination Pollution Endorsement, Underground Utility Strike (XCU)
How to Obtain a Grease Interceptor Installation & Grease Trap Contractor License in Wisconsin
Official 4-step compliance path pursuant to Wisconsin Statutes Chapter 101 Subchapter III & SPS Chapter 305.
Legal Entity & EIN Formation
Wisconsin Business Entity Filing StatutesForm your business entity (LLC, Corporation, or Sole Proprietorship) with the Wisconsin Secretary of State and secure your Federal Employer Identification Number (FEIN). Ensure your registered business name precisely matches all state and municipal filings.
Designate Qualifying Individual (QI)
Wisconsin Department of Safety and Professional Services (DSPS) Experience Verification RulesAppoint a Qualifying Party, Primary Qualifying Agent, or Responsible Managing Employee (RME). The QI must verify 3 to 4 years commercial restaurant plumbing, precast grease interceptor setting, and municipal sewer pre-treatment compliance and satisfy experience criteria governed under Wisconsin Statutes Chapter 101 Subchapter III & SPS Chapter 305.
Execute Statutory Bond & Insurance
Wisconsin Statutes Chapter 101 Subchapter III & SPS Chapter 305 Financial Responsibility MandatesSecure the mandatory $25,000 Dwelling Financial contractor license bond executed by an admitted surety. File an official Certificate of Insurance (COI) maintaining at least $1,000,000 Each Occurrence / $2,000,000 General Aggregate Commercial General Liability, naming Wisconsin Department of Safety and Professional Services (DSPS) as certificate holder.
Examination & Board License Issuance
DSPS / Pearson VUE Candidate Information Bulletin (CIB)Complete the Wisconsin Business & Law examination along with the specific Grease Trap Specialist technical trade examination administered by DSPS / Pearson VUE. Submit application fees ($40 + $30 (Qualifier)) to receive official licensure and permit pull authorization.
Ready to file with the Wisconsin Department of Safety and Professional Services (DSPS)?
Make sure your statutory $25,000 Dwelling Contractor Financial Bond (and for LLC entities, your General Liability Certificate listing the state licensing board as certificate holder) are electronically active prior to submitting application fees.
Wisconsin Grease Trap Specialist Compliance & Insurance FAQs
Direct answers on state licensing prerequisites, insurance thresholds, and surety bond regulations.
Is a state contractor license legally mandated for Grease Trap Specialists in Wisconsin?
Yes, executing commercial or residential grease trap specialist projects in Wisconsin legally requires an active state contractor license issued by the Wisconsin Department of Safety and Professional Services (DSPS) under Wisconsin Statutes Chapter 101 Subchapter III & SPS Chapter 305. Performing contracting services without official board credentials triggers immediate stop-work orders, statutory fines, and civil citations.
What technical codes govern grease trap specialist operations in Wisconsin?
Grease Interceptor Installation & Grease Trap Contractor installations in Wisconsin must strictly adhere to the Uniform Plumbing Code (UPC) / International Plumbing Code (IPC) & ASSE 5000. In addition, all completed work and materials must satisfy ASSE 1013 reduced pressure backflow testing and NSF/ANSI 61 lead-free potable water certifications to pass municipal building inspection.
What are the commercial general liability insurance minimums for Grease Trap Specialists in Wisconsin?
Grease Trap Specialists in Wisconsin typically must maintain a minimum of $1,000,000 Each Occurrence / $2,000,000 General Aggregate in commercial general liability insurance. Under Wisconsin statutory rules and General Contractor (GC) bid standards, policies must cover bodily injury, property damage, and completed operations to secure jobsite clearance.
How much does the required Wisconsin Grease Trap Specialist surety bond cost?
A Wisconsin grease trap specialist license bond costs between $400 and $600 per year for contractors with standard credit, satisfying the statutory $25,000 Dwelling Financial bond requirement. High-risk credit profiles range from $720 to $1000 annually. Premium rates are calculated as a percentage of the total bond penal sum.
Is workers' compensation insurance required for Grease Trap Specialists in Wisconsin?
Yes, proof of active workers' compensation insurance is required for construction employers in Wisconsin. Under Wis. Stat. § 102.04 & § 102.07, coverage is mandatory for employers with 3+ employees or 1+ employee paid $500+ in any calendar quarter. General Contractors and municipal building inspectors mandate a Certificate of Insurance (COI) prior to jobsite access. Sole proprietors with 0 employees: Sole proprietors with 0 employees exempt under Wis. Stat. § 102.07(8); commercial GCs require signed affidavit of exemption.
Does Wisconsin offer contractor license reciprocity for Grease Trap Specialists?
Yes, Wisconsin maintains formal reciprocal licensing agreements with MN, IL for qualified grease trap specialist applicants. Out-of-state contractors in good standing under equivalent statutory frameworks can apply to waive trade exams, though state law and business rules testing may still apply.
Official Statutory Citations & Legal Authorities
Audited by Pasi Tapio Hakamaki • Managing Editor
This compliance benchmark for Wisconsin Grease Interceptor Installation & Grease Trap Contractors is audited against primary state legislative statutes (Wisconsin Statutes Chapter 101 Subchapter III & SPS Chapter 305) and administrative rules published by the Wisconsin Department of Safety and Professional Services (DSPS). TradeCertify maintains strict editorial independence. If you represent a regulatory body or note an erratum in statutory bond limits, please contact our research desk.
Compare Grease Trap Specialist Rules in Reciprocal & Regional States
Review statutory licensing, bond costs, and reciprocity waiver rules for this classification across neighboring jurisdictions.
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