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Products & Services

Finishing / Remodeling

Everlast Wall Panels

Insulated Wall Panels

Premier And Linen Ceiling Tiles: No-sag Warranty

Thermal Dry Floor Tiles

Millcreek Faux Wood Flooring

Sunhouse Window Wells

Everlast Window Replacement

Rockwell Egress Window

Company Awards

Recipient of the 2019 Torch Awards for Marketplace Ethics

We are thrilled to announce that Blackdog Builders, Inc. has been awarded the 2019 Torch Award for Marketplace Ethics by... [Read more]

2005 Better Business Bureau Torch Award for Market Place Ethics

“The 'BBB Torch Award’ is an annual awards program to gain public recognition for businesses and organizations that maintain a... [Read more]

New Hampshire Business Review – Business Excellence Award

“This award recognizes the imagination, industriousness, innovation, achievements and dedication to the larger community of people who often don’t get... [Read more]

More Awards

Londonderry, NH's Reliable Basement Finishing Company

The entire team was great. The onsite lead......

Testimonial from Anonymous from Londonderry, NH

Happy Customers Surrounding Londonderry, NH

Testimonials

Reviews

Work Requests

Click the icons to see what our customers had to say.

Work requests in Londonderry, NH Project Location: Londonderry, NH

Hello, I wanted to know if someone can give me a quote on adding a in-law basement apartment. Thank you

Project Location: Londonderry, NH

Price, water damage prevention

Project Location: Londonderry, NH

Looking to finish half of my basement with a half bath. For a place to go for my adult children and grandchildren to hang out. TV room, game room, play room

Project Location: Londonderry, NH

We are looking for quotes to finish part of our basement. It is approximately 600sq ft in size.

Project Location: Londonderry, NH

Finish basement into an in-law apartment including bathroom and kitchen..

Project Location: Londonderry, NH

Hello. We would like to finish our basement as an additional family room and storage closet. Thank you

Project Location: Londonderry, NH

Finishing a basement, adding bathroom, adding walls to transform garage into livable bedroom, heating.

Project Location: Londonderry, NH

Looking to finish basement, less than 1000ft, with home gym and entertainment area for kids. Home was built in 2017 and has not had any previous work done to the basement.

Project Location: Londonderry, NH

We are going to build a room in the basement and need an egress window installed. We have a standard basement window in the side that can be used to increase the size in the foundation for a larger window. We also would like to install two standard size non-egress windows in the front of the basement for light.

Testimonials from our customers in Londonderry, NH Anonymous Londonderry, NH

The entire team was great. The onsite lead...

Reviews from our customers in Londonderry, NH

5.0/5
Rick F. Rick F. Ridgewood St

4.0/5
Michael H. Michael H. Fineview Road

5.0/5
Bonnie M. Bonnie M. Manchester, NH

5.0/5
Adam W. Adam W. Auburn, NH

Mike, Dan, and Bruce were fantastic. They were proactive, communicated in an extremely timely manner, and the quality of work is very high. They clearly take pride in what they do, and it shows. They fixed several issues for us after the fact, and left us satisfied with the job as a whole. You may pay extra for this crew, but you truly get what you pay for. Thanks again, guys. I’m keeping your contact info for future projects.

5.0/5
Thomas R. Thomas R. Nashua, NH

5.0/5
Alana H. Alana H. Auburn, NH

Services: General construction, Install flooring, Remodeling Positive: Professionalism, Quality

5.0/5
Jeff T. Jeff T. Salem, NH

Was pretty painless - the two rooms they did came out pretty fantastic and they were able to work with and around existing duct work and plumbing in such a way that it looks really good and not out of place!

5.0/5
Kevin N. Kevin N. Salem, NH

Services: Install flooring, TV mounting, Waterproofing, Exterior painting, Drywall installation, Flooring Positive: Professionalism, Punctuality, Quality

5.0/5
Ely W. Ely W. Mont Vernon, NH

We cannot begin to express how much we love this new basement remodel. Our kids just love their new play room and it is so lovely to have a space to work out. Mr. Brian and Mr. Ken were amazing to work with directly and Mr. Jose and his crew were amazing and fast. Got what we paid for and it came together a lot quicker than imagined.

5.0/5
Timothy D. Timothy D. Dracut, MA

TBF was fantastic to work with, from the design to completion. If anyone is looking to finish their basement, this is the company to use.

5.0/5
Paul L. Paul L. Dracut, MA

Total basement Finishing did a great job on my Basement. All the process was handled smoothly, and they did even did finished ahead of time. The quality of the work done is really high and meeting my expectations. Overall extremely satisfied.

5.0/5
Sarah S. Sarah S. Fremont, NH

We had over 700sqft of our basement finished with TBF. They were the first and only quote we received. The second company we called for a quote basically didn’t want to come out after we had told then we met with TBF. The lady was defensive & short when we asked questions about their system - big turn off!Our Sales rep, Jim, was very thorough. He worked with our budget to get us what we were looking for.Our project manager, Tim, was very responsive & addressed all of our concerns, small or big! Contractors were friendly & professional. Workmanship is beautiful, a lot of compliments from family & friends. The bulk of project was completed within 4 weeks & entire project completed within estimated time frame of 8 weeks.The only thing I wish we had done differently was to make the door to the unfinished area slightly larger. I believe is standard size but it is hard to fit some of the bigger objects/furniture through. This is something we had not thought of until we began moving stuff back in (especially since there is a support beam just beyond it). But given all the “stuff” going on in the ceiling (pipes, HVAC etc) not sure a bigger door would have been possible. But just something you may want to keep in mind...This was not a cheap project - but as we say,“Good work ain’t cheap & cheap work ain’t good!” I feel good knowing there won’t be any mold growing on our walls etc. We will definitely consider them for future renovations. I think what I liked about them the most was that they never seemed agitated with our requests/concerns & made sure we were happy with our new space. Hope this is helpful!

4.0/5
Jim K. Jim K. North Chelmsford, MA

Blackdog did a nice job....materials make the difference. Winter went above and beyond to make sure I was satisfied.

5.0/5
Prakash M. Prakash M. Brookline, NH

TBF did a fantastic job finishing our basement and we couldn't be happier with the outcome. Work was high quality, done professionally and on time. It was a very positive experience with Ken managing the project (outstanding project manager) and Lucas and team doing the bulk of the work (high quality work). We were particularly pleased that Ken and team were genuinely interested in a making sure that work was highly satisfactory to us. Great team and a great company! Highly recommended.

5.0/5
Prakash M. Prakash M. Brookline, NH

5.0/5
Mike A. Mike A. Chelmsford, MA

They did a great job. It was a super easy process and they walked you though everything they were going to do. They even finished a lot faster than I thought it would take. You should definitely go with Total Basement Finishing, A Blackdog Affiliate if you need help with your basement.

5.0/5
Rupam C. Rupam C. Chelmsford, MA

TBF was fantastic right from the start providing step by step guidance on the possibilities and expenses for my basement construction. It certainly helped in our decision process and peace of mind. Once the project started, the design work completion, arranging the town inspectors for initial surveys, electrician work and finally the heavylifting work for the floors, ceiling, panels etc was done professionally, with high quality, on time and was excellently project-managed right till the end to final inspections and sign off. We couldn’t be happier and would highly recommend TBF to anyone wishing to get your dream basement. Yes, they are slightly expensive than regular individual contractors but the range of services, quality and professionalism is totally worth it.

5.0/5
Tara S. Tara S. Andover, MA

Our basement is small and tricky and needed many creative workarounds. From our interactions with our project manager Ken and his crew to the final basement outcome, we had an outstanding customer experience and are thrilled with the appearance and functionality of our new space!

Basement Finishing Contractor in Londonderry, NH

At Total Basement Finishing, A Blackdog Affiliate, we don’t just adhere to the highest industry standards — we constantly strive to be the industry leader in all basement finishing and basement remodeling services we provide to our customers in Londonderry, New Hampshire.

We specialize in turning ordinary, unfinished basements into extraordinary living spaces using the Total Basement Finishing™ system. With this state-of-the-art system and a wide range of high-quality remodeling products, you can count on our team to bring innovation, style, and functionality to your lower level.

Whether you want to add a guest suite, home gym, basement bar, or something else to your home, we have you covered. Contact us at 1-855-206-8049 or click below to schedule a free estimate for our basement remodeling services. We’re proud to offer basement finishing in Londonderry, NH and throughout Rockingham County.

Get A FREE Estimate!

Londonderry basement finishing expert

With more than 30 years of experience in the basement finishing industry, we understand the untapped potential an unfinished basement offers. Our dedicated team is committed to providing comprehensive basement remodeling solutions and techniques utilized by the renowned Total Basement Finishing network. We are a one-stop shop for insulated and waterproof basement wall panels, drop ceiling tiles, waterproof flooring, and more.

When you partner with Total Basement Finishing, A Blackdog Affiliate to transform your basement, you’ll work closely with our team to design your dream space. Our team will help you identify your needs and wants, and help you determine what works best for your home. Whether you’re looking to build a home office, entertainment center, small home gym, or something else, we have the skills and expertise to bring your vision to life.

Our Londonderry basement remodeling solutions

Basement wall panels
Insulated floor decking
Basement floor tiles
Plank basement flooring
Finished wall restoration
Basement dehumidifier

Drop ceiling tiles
Basement doors
Basement windows & window wells
Trim & crown molding
Staircases & railings
And more!

Why choose Total Basement Finishing, A Blackdog Affiliate to remodel your basement?

Total Basement Finishing System: Our innovative basement finishing system goes beyond the ordinary, offering a durable, efficient, and stylish solution tailored for basement environments. From moisture-resistant, paintable wall panels to waterproof flooring options, our products are engineered to conquer common challenges in below-grade spaces, ensuring a seamless and reliable transformation.
Customized Solutions: Our Londonderry basement finishing experts understand that every basement is unique, and so are the needs of our clients. We work closely with you to create a customized design that aligns with your vision, lifestyle, and budget. Whether you want to create a home office, craft room, home gym, or something else, we have the expertise to bring your vision to life.
Comprehensive Services: Our skilled team is adept at handling all aspects of basement finishing. From the initial design consultation to the finishing touches, you can trust us to handle every detail!

Schedule a free basement finishing estimate today!

With Total Basement Finishing, A Blackdog Affiliate, your basement can be more than just a storage space. Contact us today to schedule a free estimate and learn how we can turn your basement into a stylish and functional extension of your home. Call 1-855-206-8049 or click below to get started!

We proudly serve New Hampshire homeowners in Londonderry and throughout Rockingham County.

Get A FREE Estimate!

Work Requests From Londonderry, NH

Project Location: Londonderry, NH

Hello, I wanted to know if someone can give me a quote on adding a in-law basement apartment. Thank you

Project Location: Londonderry, NH

Price, water damage prevention

Project Location: Londonderry, NH

Looking to finish half of my basement with a half bath. For a place to go for my adult children and grandchildren to hang out. TV room, game room, play room

Project Location: Londonderry, NH

We are looking for quotes to finish part of our basement. It is approximately 600sq ft in size.

Project Location: Londonderry, NH

Finish basement into an in-law apartment including bathroom and kitchen..

Project Location: Londonderry, NH

Hello. We would like to finish our basement as an additional family room and storage closet. Thank you

Project Location: Londonderry, NH

Finishing a basement, adding bathroom, adding walls to transform garage into livable bedroom, heating.

Project Location: Londonderry, NH

Looking to finish basement, less than 1000ft, with home gym and entertainment area for kids. Home was built in 2017 and has not had any previous work done to the basement.

Project Location: Londonderry, NH

Approx 700sqft area im looking to finish in basement. Cement walls/floor. house build in 2016. Open space, no bedrooms or plumbing.

Project Location: Londonderry, NH

Would like to partially finish basement to have a playroom for my son.

Project Location: Londonderry, NH

We have an unfinished basement and are exploring our options. Priority is to put drop-down ceiling tile which currently has exposed insulation, pipes, etc.

Project Location: Londonderry, NH

Am interested in receiving a quote to refinish 1/2 of my basement for a kids TV room. I also have a 24 x 24 great room above the garage that I would like a quote to refinish/make extra bedroom. The house is a colonial with bulkhead basement - house is 1820 square feet with a concrete basement. The house was built in 1999. One side of the basement (stairs come down the middle) is a washer/dryer area, which doesn't need to be finished. I would like to finish the other side for a kids tv room. Please advise.

Project Location: Londonderry, NH

Hello, I have a split level home. 3/4 of the lower level is already finished with drywall and full ceilings. the remainder of the lower level is where the furnace, water softener, laundry and mud room is. This is the area I am looking to finish off. I am interested in learning more about the product you use and in getting an estimate. Please contact me at your earliest convenience. thank you