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TRUSTED BY LEWISTON, ME HOMEOWNERS

  • 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(
38
)
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

In business since 1988

Free estimates

Customers say: Quick response

"Don and his assistant Clay did a great job installing interior closet doors and a stair railing in my home. They were great to work with from start to finish and I highly recommend them."
Lorello
Fralich
VanBrunt
Lorello
Blanchard

+36

Response time2 days
7 neighbors recently requested a quote
Recommended by63%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
Avatar for Innovative Construction
Innovative Construction
3.7(
33
)
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"What I found outstanding was the excellent communication from Greg about my project at all stages, from the first meeting, through the repair process, to the completion. I always knew what to expect from the day-to-day work and I felt he and I were on the same page. My facia board, gable board, removal of moss on my roof and door replacement was accomplished safely and thoughtfully by his competent crew. I would recommend this company to anyone as I feel they are very trustworthy, and I hope to use them again for my next project"
Before
Deck Repair
Deck Repair
Before
MIDWAY

+9

Response time3 days
8 neighbors recently requested a quote
Recommended by43%of homeowners
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
Avatar for Bangor Abatement, Inc.
Bangor Abatement, Inc.
4.5(
2
)
Basement - Remodel

Serving Lewiston, ME and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"They did a good job especially considering how brittle my old siding had become over the years. I’m pleased with their work and the price was right. I plan to hire them to do a couple more small jobs that I’m to old to do myself."
7 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

To determine if your basement walls are suitable for finishing, assess their structural integrity and moisture conditions. Look for any signs of damage, such as cracks, bowing, or excessive moisture. Ensure proper drainage and address any underlying issues before proceeding. 

Consult with a professional if you're uncertain about the structural stability or potential risks associated with finishing your basement walls.

Installing a bathroom in a basement isn’t a project for most homeowners. Many parts—plumbing, electricity, and carpentry—go into this project, each requiring expert-level knowledge and tools. One miscalculation can lead to very expensive repairs. Plus, some homeowner’s insurance might not pay for damages caused by a homeowner DIYing this project. You can protect yourself by allowing the pros to complete this job for you. 

Physically, the most challenging part of finishing a basement is installing egress windows or doors when the space is below ground level. Mentally, the hardest part may be envisioning the project and planning around load-bearing and mechanical obstacles.

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

Although it’s not required, air ventilation in a finished basement can help improve the air quality, prevent moisture and mold issues, keep musty odors away, and also maintain the air quality throughout the rest of your home. Proper ventilation will help maintain the value of your investment in finishing your basement. Try basement ventilation methods like installing vents or a dehumidifier for best results.

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.