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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon12
    Verified basement remodels reviews

Top-Rated Basement remodelers in Lewiston - Updated Nov 2026

Avatar for K&A Renovations, LLC
K&A Renovations, LLC
4.9(
24
)
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"Kaydn has been very responsive as our renovation and repair needs evolve. We certainly aren’t done yet, but we will keep this company involved as we continue to work forward through some major renovations. We just started with them for essential repairs before embarking on the more ambitious projects. Kaydn has proven himself as very knowledgeable and capable. More to come."
Response time1 day
Response rate89%
10 neighbors recently requested a quote
Avatar for Sunapee Builder
Sunapee Builder
4.9(
39
)
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

In business since 1988

Free estimates

Customers say: Quick response

"Great finish carpenter! Don is meticulous and everyone notices and mentions his superb work. Highly recommend. He did such a great job on our basement, we hired him to do a whole house remodel!"
Lorello
Fralich
VanBrunt
Lorello
Blanchard

+36

Response time2 days
7 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for Opulent Builders LLC
Opulent Builders LLC
4.5(
8
)
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

Dominic is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Bathroom Dormer Remodel
Bathroom Dormer Remodel
Bathroom Dormer Remodel
Bathroom Dormer Remodel
Bathroom Dormer Remodel

+13

2 neighbors recently requested a quote
Recommended by100%of homeowners
Summit Contracting
New to Angi
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

\nAs a local general contractor with over 75 years of combined experience in \nresidential trades, we are dedicated to servicing all of your home improvement and maintenance needs. Whether you are looking to build a seamless home addition, transform a room into your dream space, or complete essential repairs, our expert team delivers reliable craftsmanship you can trust.\nContact us today to schedule your complimentary in-home consultation and estimate.

Avatar for Doak and Co Contracting
Doak and Co Contracting
New to Angi
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

We at Doak and Co Contracting focus on quality services over quantity. We use our experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.

Response time10 hrs
3 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

While bathrooms and kitchens are nearly equal in terms of renovation difficulty, kitchens are the most challenging. Kitchen design, layout, electrical, and plumbing needs all depend on each other for the success of the entire project, and mistakes early in the project can cause trouble later on.

The average cost of remodeling a basement is $30 to $75 per square foot. If your space is unfinished and looks like it may need more help, use the higher number when calculating your estimated basement remodeling costs. A good rule of thumb is to add an additional 20% to the top of your estimate to cover any “what if” situations.

Renovations that add functionality or more comfortable floor space generally add the most value when remodeling your home. Attic or basement finishing can add floor space without altering the home's structure, saving you renovation money while adding valuable space. Smaller improvements, such as installing smart-home components or replacing entry doors and windows, also experience high ROIs. 

Create a checklist, reimagine the space use, set a realistic budget, choose materials and aesthetic details, and get professional support for guidelines and troubleshooting.

In many homes, an unfinished basement is an ideal place for an in-ground pool. The concrete floors, protection against water damage, and access to the ground below your home make this a large contender. Speak with a local basement remodeling contractor to ensure your space is right for the large construction.

The Lewiston, ME homeowners’ guide to basement remodels

From average costs to expert advice, get all the answers you need to get your job done.