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Find Basement remodelers in Newtown

Joseph Giglio Construction

5.00(
4
)
Approved Pro

Joseph Giglio Construction

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
53 years of experience

Accomplish your construction goals easily with the help of Joseph Giglio Construction. Our licensed experts are always ready to assist you with any renovation or building project. Whether you want a custom home or new drywall installed in your office, our team has the skills to get the job done. Call us today!

"I have used them for 25 years there work is beyond reproach."

Leonard L on April 2017

Accomplish your construction goals easily with the help of Joseph Giglio Construction. Our licensed experts are always ready to assist you with any renovation or building project. Whether you want a custom home or new drywall installed in your office, our team has the skills to get the job done. Call us today!

"I have used them for 25 years there work is beyond reproach."

Leonard L on April 2017


Avatar for JR General Contractor, LLC

JR General Contractor, LLC

4.83(
15
)
Approved Pro

JR General Contractor, LLC

4.83(
15
)
Approved Pro
Customers say: Quick response
15 years of experience
Free onsite estimate

JR General Contractor LLC, is committed to excellence 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.

"Yes they did an excellent job"

Louise R on May 2025

JR General Contractor LLC, is committed to excellence 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.

"Yes they did an excellent job"

Louise R on May 2025


Avatar for LVC LLC

LVC LLC

5.00(
4
)
Approved Pro

LVC LLC

5.00(
4
)
Approved Pro
9 years of experience
Free onsite estimate

We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Tibor and his team renovated our living room and dining room to an open floor plan, our laundry room and both our bathrooms that were outdated. He was reliable quick and does quality work. He also has done exterior work on our home when we had to replace the entire half side of the houses siding on short notice due to a leak. I would highly recommend him for any project."

Laura A on June 2025

We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"Tibor and his team renovated our living room and dining room to an open floor plan, our laundry room and both our bathrooms that were outdated. He was reliable quick and does quality work. He also has done exterior work on our home when we had to replace the entire half side of the houses siding on short notice due to a leak. I would highly recommend him for any project."

Laura A on June 2025


Western Connecticut Contractors, LLC

5.00(
5
)
Approved Pro

Western Connecticut Contractors, LLC

5.00(
5
)
Approved Pro
13 years of experience
Free onsite estimate

Western Connecticut Contractors, LLC 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.

"Very professional! Great service. "

Sandra A on March 2025

Western Connecticut Contractors, LLC 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.

"Very professional! Great service. "

Sandra A on March 2025


Avatar for FP Carpentry LLC

FP Carpentry LLC

5.00(
3
)
Approved Pro

FP Carpentry LLC

5.00(
3
)
Approved Pro
Customers say: Quick response
13 years of experience
Free onsite estimate

We are an ethical, honest and professional company. We are easy to communicate with. Always working with you until the job is done right and to your specifications. When working with our company you can expect integrity, prompt service and superior customer service. Always leaving the job site clean . We take pride in our services and enjoy making clients repeat clients. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting.

"Fabiano was professional and prompt .He arrived at the time he stated. When there was a problem he was more than willing to take care of the issue. It took a little longer to make the correction but we had a lot of rain . He was very apologetic for not coming promptly. I would definitely use him again for work needed, if the price is right."

Denice T on October 2018

We are an ethical, honest and professional company. We are easy to communicate with. Always working with you until the job is done right and to your specifications. When working with our company you can expect integrity, prompt service and superior customer service. Always leaving the job site clean . We take pride in our services and enjoy making clients repeat clients. You can count on us to get the job done right the first time. We will meet with you at your convenience and will not keep you waiting.

"Fabiano was professional and prompt .He arrived at the time he stated. When there was a problem he was more than willing to take care of the issue. It took a little longer to make the correction but we had a lot of rain . He was very apologetic for not coming promptly. I would definitely use him again for work needed, if the price is right."

Denice T on October 2018


"Mike and his crew were wonderful, knowledgable, professional and efficient. The quality of the work was outstanding and the whole process was smooth and easy! Can’t recommend them highly enough!"

Brianna P on November 2024

10 years worth of construction experience in various industries.

"Mike and his crew were wonderful, knowledgable, professional and efficient. The quality of the work was outstanding and the whole process was smooth and easy! Can’t recommend them highly enough!"

Brianna P on November 2024


Avatar for Owens Corning Basement Finishing System

Owens Corning Basement Finishing System

4.75(
73
)
Approved Pro

Owens Corning Basement Finishing System

4.75(
73
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
114 local quotes requested

Lux Renovations, LLC, has been serving New England homeowners since 2002. We've finished over 8000 basements in New England, usually in 2-3 weeks. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 8 years in a row. Something like that does not happen by accident. We are committed to insuring that all of our customers describe their experience with us as "the best contractor experience I ever had". If you are considering a basement finishing project please allow us to show you how Owens Corning has changed the industry with this unique system. A no-charge consultation and design is available. Give us a call today!

"Lux project manager and staff were great! Great attention to detail."

Brian C on December 2022

Lux Renovations, LLC, has been serving New England homeowners since 2002. We've finished over 8000 basements in New England, usually in 2-3 weeks. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 8 years in a row. Something like that does not happen by accident. We are committed to insuring that all of our customers describe their experience with us as "the best contractor experience I ever had". If you are considering a basement finishing project please allow us to show you how Owens Corning has changed the industry with this unique system. A no-charge consultation and design is available. Give us a call today!

"Lux project manager and staff were great! Great attention to detail."

Brian C on December 2022


Avatar for Mark's Painting and Home Improvements LLC

Mark's Painting and Home Improvements LLC

4.64(
11
)
Approved Pro

Mark's Painting and Home Improvements LLC

4.64(
11
)
Approved Pro
Customers say: Terrific value
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
18 local quotes requested

Our crew is a pack of professionals that have been in the business over 10 years. We will deliver what we promise to do. We are reliable, trustworthy, and willing to go the extra mile to make your needs our priority! Our price is the best in the market and yet we deliver the quality you deserve; without compromising our pride in what we do.

"Went exceptionally well"

John M on December 2024

Our crew is a pack of professionals that have been in the business over 10 years. We will deliver what we promise to do. We are reliable, trustworthy, and willing to go the extra mile to make your needs our priority! Our price is the best in the market and yet we deliver the quality you deserve; without compromising our pride in what we do.

"Went exceptionally well"

John M on December 2024


Avatar for Connecticut Basement Systems, Inc.

Connecticut Basement Systems, Inc.

4.67(
141
)
Approved Pro

Connecticut Basement Systems, Inc.

4.67(
141
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
67 local quotes requested

Connecticut Basement Systems is your trusted expert for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Using patented, warrantied products, we provide permanent solutions for your home. Have a wet, flooded basement or crawl space? Tilted or bowing foundation walls? A basement you want to finish? We have a solution. We proudly serve homeowners and businesses all throughout Connecticut & Westchester County, NY. Call us today for a free inspection and no-obligation, estimate. Financing available. Additional phones - (203) 881-5090. Award winning.

"Chuck Stofko was very informative. Was patient in answering all my questions. Spent along time with me reviewing the process and the steps needed to waterproof my basment. I highly recommend him."

Justin F on August 2023

Connecticut Basement Systems is your trusted expert for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Using patented, warrantied products, we provide permanent solutions for your home. Have a wet, flooded basement or crawl space? Tilted or bowing foundation walls? A basement you want to finish? We have a solution. We proudly serve homeowners and businesses all throughout Connecticut & Westchester County, NY. Call us today for a free inspection and no-obligation, estimate. Financing available. Additional phones - (203) 881-5090. Award winning.

"Chuck Stofko was very informative. Was patient in answering all my questions. Spent along time with me reviewing the process and the steps needed to waterproof my basment. I highly recommend him."

Justin F on August 2023


Avatar for Hardwick & Co

Hardwick & Co

5.00(
12
)
Approved Pro

Hardwick & Co

5.00(
12
)
Approved Pro
23 years of experience

At Hardwick & Co., we deliver reliable general contracting and building solutions tailored to homeowners and businesses in Fairfield and Litchfield Counties, Connecticut. With a focus on efficiency, we complete projects quickly without compromising quality, ensuring your vision comes to life on time and on budget. Our team excels in timely, professional communication, building lasting relationships through responsiveness and transparency every step of the way. We get it right the first time, with well-organized projects and a commitment to superior craftsmanship. From kitchen remodels and bathroom renovations to additions, repairs, and full home builds, we handle it all with precision and care. As a trusted local contractor, we're dedicated to exceeding expectations and delivering results that stand the test of time. Ready to transform your space? Contact us today for a free consultation and quote – let's build something great together! (475-206-9116 | hardwickandco@outlook.com)

"I hired Tom to renovate my bathroom. He was always punctual, professional and always kept me in the loop regarding timeliness and expenses. Normally doing construction at him is stressful but tom made the process a lot easier. "

nick m on October 2025

At Hardwick & Co., we deliver reliable general contracting and building solutions tailored to homeowners and businesses in Fairfield and Litchfield Counties, Connecticut. With a focus on efficiency, we complete projects quickly without compromising quality, ensuring your vision comes to life on time and on budget. Our team excels in timely, professional communication, building lasting relationships through responsiveness and transparency every step of the way. We get it right the first time, with well-organized projects and a commitment to superior craftsmanship. From kitchen remodels and bathroom renovations to additions, repairs, and full home builds, we handle it all with precision and care. As a trusted local contractor, we're dedicated to exceeding expectations and delivering results that stand the test of time. Ready to transform your space? Contact us today for a free consultation and quote – let's build something great together! (475-206-9116 | hardwickandco@outlook.com)

"I hired Tom to renovate my bathroom. He was always punctual, professional and always kept me in the loop regarding timeliness and expenses. Normally doing construction at him is stressful but tom made the process a lot easier. "

nick m on October 2025

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FAQs for basement remodeling projects in Newtown, CT

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Newtown, CT homeowners’ guide to basement remodelings

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