All States/Wisconsin/Janesville/General Contracting
Trade directory · Janesville metro · Wisconsin

General Contracting contractors in
Janesville, Wisconsin.

A public directory of licensed general contracting contractors serving greater Janesville. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
971
U.S. Census Bureau
Peak Season
April through September - construction season driven by Wisconsin weather
Market estimate
Avg. Response Time
2-5 business days for quotes, longer during peak construction season
Operator average
§ A · Market rates

Common Job Costs

JANESVILLE-WI · LOCAL ESTIMATES
Service
Description
Cost Range
Kitchen remodel
Typical range based on local kitchen remodel jobs.
$15,000 – $45,000
Bathroom renovation
Typical range based on local bathroom renovation jobs.
$8,000 – $25,000
Room addition
Typical range based on local room addition jobs.
$25,000 – $75,000
Basement finishing
Typical range based on local basement finishing jobs.
$12,000 – $35,000
Deck construction
Typical range based on local deck construction jobs.
$3,500 – $12,000
Roof replacement
Typical range based on local roof replacement jobs.
$8,000 – $18,000
§ B · Regulatory

Licensing Requirements

WI
§1

Licensing Requirements

Wisconsin requires a Dwelling Contractor Qualifier (DCQ) credential for residential work over $1000. Must pass state exam covering building codes, safety, and business practices. $75 application fee, $50 exam fee. Credential valid 2 years, $50 renewal fee. For commercial work over $5000, need Commercial Building Contractor credential with additional requirements.

§2

Permit Requirements

City of Janesville requires building permits for structural work, electrical, plumbing, and HVAC modifications. Permit fees range $50-500 based on project value. Applications submitted through city building department with plans review required for major projects.

§3

Inspection Schedule

Typical schedule includes foundation inspection, framing inspection, rough-in inspection for utilities, insulation inspection, and final inspection. 24-48 hour notice required for scheduling inspections through Janesville Building Department.

§4

Insurance Minimums

Wisconsin requires $50000 minimum liability insurance for dwelling contractor credential holders. Many municipalities and customers require $500000-1000000 general liability coverage. Workers compensation required if employing others.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Meet basic requirements

Must be 18+ years old with high school diploma or equivalent. No felony convictions related to building trades in past 5 years.

01/06
2

Complete application

Submit Dwelling Contractor Qualifier application to Wisconsin DSPS with $75 application fee and required documentation including proof of insurance.

02/06
3

Schedule and pass exam

Register for state examination covering Wisconsin building codes, safety regulations, and business practices. $50 exam fee, 80% passing score required.

03/06
4

Obtain required insurance

Secure minimum $50,000 liability insurance policy and provide proof to DSPS. Workers compensation required if employing others.

04/06
5

Receive credential

Upon passing exam and meeting all requirements, receive DCQ credential valid for 2 years. Display credential number on all advertising and contracts.

05/06
6

Maintain credential

Renew every 2 years with $50 renewal fee and proof of continuing insurance coverage. Complete any required continuing education.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Janesville's general contracting market serves a mix of older housing stock needing renovations and steady new construction. With 971 licensed establishments statewide, competition is moderate but the city's manufacturing base provides steady residential demand. Kitchen and bathroom remodels dominate the market, with basement finishing popular due to regional home styles. Costs run 10-15% below Madison rates but material transport from Milwaukee affects pricing. Getting your DCQ credential is straightforward but non-negotiable - Wisconsin doesn't mess around with unlicensed work. The city building department runs tight inspections, so know your codes cold. Peak season is brutal for scheduling inspectors, so build buffer time into your timelines. Winter work keeps some crews busy with interior projects, but most contractors bank on April through September for 70% of annual revenue. Local supply yards close relationships matter more than big box pricing for most successful outfits here.

Data Sources
  • Licensed establishments count
    U.S. Census Bureau, County Business Patterns
  • Licensing requirements
    Wisconsin Department of Safety and Professional Services
  • Permit requirements
    City of Janesville Building Department
  • Cost estimates
    Local market analysis and contractor estimates
  • Insurance requirements
    Wisconsin DSPS and industry standards
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

Do I need a license for general contracting work in Janesville, WI?

Yes, Wisconsin requires a Dwelling Contractor Qualifier credential for any residential construction work over $1000. This involves passing a state exam and maintaining insurance. Source: Wisconsin Department of Safety and Professional Services.

Q/02

How much does a kitchen remodel cost in Janesville?

Kitchen remodels in Janesville typically range from $15,000-45,000 depending on scope and finishes. Costs run about 10-15% below Madison area pricing due to lower labor costs and competition among local contractors.

Q/03

What permits do I need for a room addition in Janesville?

Room additions require building permits through the City of Janesville Building Department, plus separate permits for electrical, plumbing, and HVAC work. Permit fees range $50-500 based on project value with required plans review.

Q/04

How many general contractors are licensed in Wisconsin?

Approximately 971 licensed general contracting establishments operate in Wisconsin, providing moderate competition levels in markets like Janesville. Source: U.S. Census Bureau, County Business Patterns.

Q/05

When is the best time to start a construction project in Janesville?

April through September represents peak construction season in Janesville due to Wisconsin weather patterns. Contractors are busiest during this period, so expect longer lead times and higher prices compared to winter months.

§ F · Directory

General Contracting contractors in Janesville

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