Top-Rated General Contractors Near You in Janesville, IA

Center Construction LLC

Trusted contractors for Janesville and the surrounding areas. We've been providing you with affordable contracting for over 11 years. Why both with the rest, just call the best!

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Diversified Construction of Wisconsin, Inc.

Repairs and remodeling for you home, farm or business..

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Hirth Construction Inc

I have been in the construction field for 25+ years. I started as a grunt or laborer for a roofing company, and quickly advanced in my position. Later I began to do home remodeling which advanced into building homes, including exterior and interior finishing such as siding, roofing, cabinetry, kitchen and bath installations/remodels, basement finishing, and much more. I promise to fulfill all contracted work in a professional and timely manor. I feel my workmanship is a reputation to stand by. I will guar

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Hanson's Home Improvements

Hanson’s Home Improvements is a full service, family owned company servicing Southern Wisconsin. We want to help make your vision a reality! With 20 years of experience, let Hanson’s Home Improvements help create your vision. Our creative design and construction capabilities will easily fit to your lifestyle and budget.

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Janesville Insulation

Janesville Insulation is professional insulation contractor in Janesville, WI. You can call us anytime you need our help. Home Insulation Service, Foam Insulation, Spray Insulation, Attic Insulation, House Insulation, Insulation Contractor, Exterior Insulation, Residential Insulation Service, Commercial Insulation Service, Fiberglass, Batts Blown-in, Attic Upgrades, New Construction, Old Construction, Bibs Blown-in Blanket system, Poly and plastics, 2-Component spray foam, Dense Packing, Roxul, Sound Walls,

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rosh-it

Our team of specialists consistently delivers outstanding results combining creative ideas with our vast experience. We can help you build a sustainable, meaningful relationship with your clients by engaging them with your brand using social media.

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Tom's Dry Wall

Since 1986, Tom's Drywall & Plasterboard Construction has provided professional interior drywall installation, repair, and finishing services to the communities of Afton, Beloit, and Janesville, Wisconsin. For over 30 years, we've provided top quality and great service at an affordable price. No matter the size or scope of your next commercial or residential construction project, we have the experience, personnel, and resources to get the job done. From stud work and drywall repairs to texture matching an

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Beneficail Insulation

Beneficial Insulation, LLC is a proud partner with the Energy Star Home Performance Program. Our highly trained, professional and courteous team applies the highest standards of insulation practices to your home. We provide residential and commercial services to customers throughout Southern Wisconsin and Northern Illinois. Cliff Wakefield, owner of Beneficial Insulation, first began insulating homes in 1976 and has seen the science of insulation grow into the sophisticated practice that it is today. Mi

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Distinctive Craftsman LLC

Do you have a remodeling or new construction project that requires attention to detail? Looking to add character to an existing or new space? Keep it simple or take the project to the WOW factor. Here at Distinctive Craftsman. Mission Statement: To provide innovative craftsmanship through continuous dedication, while maintaining a clean and safe job site. Vision Statement: Our vision is to be the preferred choice for all our customers remodeling needs.

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Janesville Stair Lifts

Janesville Stair Lifts is a stair lifts company in Janesville, WI. We offer stair lifts in residential homes.

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General Contractor FAQs

A general contractor oversees construction projects, managing all aspects from start to finish. This includes coordinating subcontractors, sourcing materials, ensuring codes and regulations are met, and ensuring the project stays on budget and on schedule. They often handle residential renovations, new home builds, and larger commercial projects. Hiring a general contractor ensures expert supervision and streamlines communication, helping ensure the job is completed efficiently and professionally.

The cost of hiring general contractors can vary widely depending on the scale of the project. On average:

  • Bathroom renovation: $10,000–$25,000
  • Kitchen remodeling: $15,000–$50,000
  • Home additions: $30,000–$150,000
  • Building a new home: $150,000–$500,000+

Keep in mind these ranges are approximate and subject to factors like location, materials, and complexity of the project. It's always advisable to get detailed estimates from multiple contractors to compare pricing and services.

Finding licensed general contractors in Janesville involves several reliable methods:

  • Online directories: Use platforms like HomeAdvisor or Angie's List.
  • Local building departments: Contact your city or county building department for lists of licensed professionals.
  • Referrals: Ask friends, family, or neighbors for recommendations.

Make sure to verify their license through a trusted authority, such as your state’s licensing board or local contractor registry. Hiring licensed professionals ensures compliance with codes and regulations.

Here are key questions to ask when speaking with general contractors:

  1. Are you licensed and insured?
  2. Can you provide references or examples of past work?
  3. What’s your timeline for this project?
  4. Will you handle permits and inspections?
  5. Do you offer a warranty on your work?

These questions help assess their qualifications, experience, and reliability. Be thorough in your evaluation, as this can prevent issues down the road.

To avoid scams, follow these guidelines:

  • Verify licenses: Confirm the contractor holds current licensing from a trusted authority, such as your state’s licensing board.
  • Get contracts in writing: Never agree to verbal deals.
  • Avoid large upfront payments: Legitimate contractors follow payment schedules tied to milestones.
  • Check references: Speak directly to past clients about their experiences.
  • Trust your instincts: If something feels off, or the contractor is overly pushy, reconsider.

Taking these precautions helps ensure you hire a reputable professional for your project.

Contractor estimates typically factor in:

  • Material costs: Quality and quantity of materials required.
  • Labor charges: Skilled labor fees, including subcontractors.
  • Project complexity: Scope, design details, and unique challenges.
  • Permitting fees: Costs for pulling necessary permits from the relevant authorities.
  • Timeline: Longer projects may have higher labor costs.

Always request itemized estimates and clarify what’s included, so you can make informed comparisons across contractors.

Project timelines depend on the scope and type of work. Here are general estimates:

  • Small renovations (e.g., bathroom remodels): 4–8 weeks
  • Medium renovations (e.g., kitchen remodels): 8–12 weeks
  • Home additions: 3–6 months
  • New home construction: 6–12+ months

Factors like availability of materials, weather, and contractor schedules can impact timelines. Discuss expected completion dates and potential delays upfront to minimize surprises.

General contractors should hold proper licensing from state or local authorities, depending on their location. Licensing ensures they meet local building codes and safety standards. Many states also require insurance for liability and workers’ compensation. For additional credibility, contractors may pursue certifications like LEED accreditation for sustainable construction or CGP (Certified Green Professional) credentials. Learn more about requirements from trusted resources like National Association of Home Builders.

To set realistic expectations, consider:

  • Budget: Factor in local material and labor costs specific to Janesville.
  • Timeline: Account for weather conditions and permit processing times in your area.
  • Scope: Be clear and detailed about your project goals upfront.
  • Communication: Have regular check-ins with your contractor to stay updated.

Remember, unforeseen issues may arise, so flexibility is key. Working closely with a licensed contractor experienced in Janesville can help ensure smoother project execution.

Signs of a reputable contractor include:

  • Strong reviews: Positive customer feedback on platforms like Google, Yelp, or industry websites.
  • Transparent communication: Clear responses to questions about licenses, scheduling, and pricing.
  • References: Willingness to provide references from past clients.
  • Detailed contracts: Well-written agreements outlining scope, costs, and timelines.
  • Longevity: Years of experience in the industry often indicate reliability.

Always perform thorough research before signing a contract to confirm the contractor’s reputation and credentials.

Reviews for General Contractors

Basement Rescue in Days
Our basement flooded after a big storm, and I was overwhelmed at the thought of repairs. Within 24 hours of posting my issue, I had quotes from three experienced contractors. The one I hired tackled everything in less than a week, and it came in under budget. Feels great to have my space (and sanity) restored.
Emily R.
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Fast Fix, Big Savings
My deck was dangerously unstable, and I dreaded the cost of a full rebuild. The contractor I found through this service reinforced everything for a fraction of the replacement estimate! Now it's safe for family cookouts, and I saved over $2,000.
Paul H.
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A New Look, Stress-Free
Our living room remodel was stuck because I couldn’t find the right pro I could trust in Pittsburgh. This platform connected me with a general contractor who worked around my schedule and finished the job early. The best part? No hassles, and I finally enjoy coming home to a space that feels like 'me'.
Kim S.
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Maria Vierra avatar

Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

Brett Taylor avatar

Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Dec 3, 2025, 12:42:25 AM