Top-Rated General Contractors Near You in Dover, NH

Blier Flooring

Our team of experts will help you find the natural or engineered hard wood floor covering that suits your taste and budget. To give your home an even more distinctive look, we also design in custom showers , or maybe make that little sun room a little more luxurious with some Tile, or Carpet.

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Alex contractors LLC

Alex Contractors – A home remodeling company dedicated to customer service and top quality in all aspects of the home renovation process. We have a team of experts providing kitchen transformations, bathroom remodels & home remodeling services to the entire North New Jersey area. We have already managed to successful completion numerous projects such as additions, bathroom remodel, finished basement, add a levels and more throughout New Jersey. Our company is licensed, insured and carry workers comp for yo

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LCS Construction

LCS Construction is proud to serve the residential and commercial communities in the local and surrounding regions. Our knowledge, experience, and ability as an experienced General Contractor to provide all your construction needs is second to none. From our first meeting and throughout our client relationships, its our pledge & goal to meet the needs & expectations of our clients. LCS Construction is licensed & fully insured.

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Spg Renovation LLC

Create the home or space you've always wanted with services from the general contractors at SPG Renovation LLC. From the kitchen, bathroom, and full home remodeling, roofing, carpentry, decks, plumbing, electrical services, and more you can count on SPG to complete your project in a timely manner. Check out our project albums below to see the quality of service we provide here. We guarantee to finish your project within budget and with the best quality of products.

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R. Keller Construction, Co.

R. Keller Construction, Co. After a number of years in the construction industry, Rob Keller embarked on his own General Contracting business in 1989. Over the last twenty - eight years, R. Keller Construction, Co., has constructed projects of all price ranges and design concepts. Projects completed by R. Keller Constriction, Co., range from expansive home renovations, new construction, kitchen and bathroom renovations to sizeable tenant fit outs and to a custom spin studios. The options are unlimited. T

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Wentworth Coolidge Design Inc

Home Design and building: from concept, to CAD, to reality.

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Level Ramping Solutions

Chris Goodell has been repairing and remodeling homes in the seacoast area for 20 years. For the past 10 years Chris has been the primary accessibility ramp installer for the Veterans Administration for New England, ranging from Caribou, Maine to Gloucester, Massachusetts. He is consistently praised for his professionalism, workmanship and timeliness. Chris is originally from Jamestown, New York and graduated from Miami University. Following college, he settled in the seacoast area and currently lives in Do

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Finish Line Roofing and Landscaping

Trust our contractor in New Jersey area. With more than 8 Years of experience and our commitment to excellent work and craftsmanship have earned Finish Line the trust and respect of the community. See the pride in our work in all your home exterior needs from roofing, roof repair, landscaping and lawn care. We look forward to hearing from you soon. Together let's beautify your home's exterior!

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A General Painting & Services, Inc.

Hello! I�m Mario Matute. I�ve operated and owned a well structured business company for twenty seven years. I am very familiar with this business! The painting techniques I employ entail careful observation and preparation. I strive to ensure a neat and long lasting finish. I take pride within myself in knowing that my customer�s are 100% satisfied. A General Painting & Services, Inc. provides quality and customer services first. Our craftsmen are highly trained and experienced individuals who are dedicat

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Granite Consulting

At Granite Consulting we focus on helping timeshare owners out of their current ownership quickly and permanently. Millions of consumers have been unable to successfully exit their timeshare and feel like they are stuck without any options. We provide you with everything needed to put the timeshare behind you.

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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 Dover 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 Dover.
  • 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 Dover 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 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 Jan 11, 2026, 8:10:41 PM