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Top-Rated Basement remodelers in Jefferson - Updated Nov 2026

Avatar for Abraham Z. Cates Finish Carpenter
Abraham Z. Cates Finish Carpenter
4.9(
15
)
Basement - Remodel

Serving Jefferson, ME and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

With over 10 years of experience in the remodeling industry, Abraham Z. Cates Finish Carpenter are the experts you need to take care of your home or business. We handle everything from remodels to repairs. We will treat your home as we would treat our own. Give Abraham Z. Cates a call today, we look forward to working with you! \nCheck us out on azc.onuniverse.com \n

1 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Abraham Z. Cates Finish Carpenter
Abraham Z. Cates Finish Carpenter
4.9(
15
)
Basement - Remodel

Serving Jefferson, ME and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

"Jacked up the porch, framed and installed 3 doors, built stairs. This was all done to fit the architecture of a house built in 1880. Very professional and knowledgeable regarding repairs to an old house. Would definitely hire again. Highly recommended."
Kitchen Remodel
Kitchen Remodel
Kitchen Remodel
Kitchen Remodel
Kitchen Remodel

+21

Response time2 days
5 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Opulent Builders LLC
Opulent Builders LLC
4.5(
8
)
Basement - Remodel

Serving Jefferson, 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

4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Innovative Construction
Innovative Construction
3.7(
33
)
Basement - Remodel

Serving Jefferson, ME and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"At our first meeting (after interviewing 3 others) Greg laid out the plan for the deck replacement and after 15 minutes I knew he was a competent, detail oriented contractor. During this project he broke down the staggered payments and communicated every day of the project through texts and showing up in person. Greg took charge in overseeing everything like a platoon leader in the field by maintaining the flow of construction resulting in a smooth, exceptional conclusion. Part of the old deck was problematic. He examined every inch where there were issues and was able to overcome some difficulty and see what I couldn't. He suggested a landing on the stairway, widening and decreasing the pitch which accommodated an easier climb for us. Those are just the highlights, there was much more. My thanks to Innovative Construction for a lovely new deck."
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 Jefferson, 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 Jefferson, 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."
4 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

The most challenging part of finishing a basement is addressing moisture control. Basement waterproofing is an essential task that requires a professional’s skills and knowledge. If you don’t properly waterproof your finished basement, it’ll be vulnerable to dampness, water damage, and mold growth. Ensuring proper insulation and ventilation to combat these issues while meeting building codes adds complexity to your remodeling project.

It is common for a contractor to ask for a down payment before starting a project, especially for jobs that require purchasing materials and equipment or hiring a crew. The deposit amount can range from 10% to 50% of the total job cost. While a request for up to 50% is not unusual, a contractor should not ask for more than that, and you should never pay for a project in full before the work has begun. To protect yourself, always discuss payment terms before starting and have a written contract that outlines the project timeline and expectations. Additionally, be sure to hire reputable contractors and check their licensing and insurance before the project begins.

The difficulty of adding a basement to an existing house can vary depending on the house’s location, the size of the basement, and the type and condition of the existing foundation. Adding a basement is a job best handled by the pros, so you’ll need to enlist professional help for this project.

A finished basement does not always count as square footage, as this varies by state regulations. In areas that allow below-grade spaces to be included in a home's official square footage, the basement must typically meet certain conditions. These conditions often include having a functional egress and being a livable space with flooring, finished walls, and temperature control. To be certain, contact your local assessor to confirm your area's specific policies regarding basement square footage.

Common mistakes when finishing basement walls include neglecting proper insulation, insufficient moisture management, and poor ventilation. Not addressing these issues can lead to mold growth, water damage, and discomfort. Additionally, inadequate planning, improper framing, and rushing the project can result in subpar outcomes. 

It's essential to follow best practices, seek professional guidance if needed, and prioritize thoroughness and attention to detail.

The Jefferson, ME homeowners’ guide to basement remodels

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