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Addition and remodeling pros in Londonderry
Wathen Contracting, 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. Please give us a call today!
"Very personable, professional, timely, skilled people."
Debbie R on October 2019
Wathen Contracting, 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. Please give us a call today!
"Very personable, professional, timely, skilled people."
Debbie R on October 2019
With over 15 years of experience, Manolie Dwelling Services 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. Call us today!
"They were great."
Jacquelyn N on April 2021
With over 15 years of experience, Manolie Dwelling Services 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. Call us today!
"They were great."
Jacquelyn N on April 2021
Hard working team who makes sure everything is done completely and exactly how the customer wants. Versatile company who puts the customer first and prioritizes quality.
"It was a pleasure working with them. They are well organized and very professional."
Johanna E on June 2020
Hard working team who makes sure everything is done completely and exactly how the customer wants. Versatile company who puts the customer first and prioritizes quality.
"It was a pleasure working with them. They are well organized and very professional."
Johanna E on June 2020
Brent 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.
"Brent did a great job! It was a long wait for the cabinet company to finally send us the cabinets. So, be prepared for that but Brent proved himself trustworthy and did a great job."
Christine W on August 2022
Brent 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.
"Brent did a great job! It was a long wait for the cabinet company to finally send us the cabinets. So, be prepared for that but Brent proved himself trustworthy and did a great job."
Christine W on August 2022
Why choose Shapiro Services? We are locally owned with our owner-operator, Joshua Shapiro overseeing all aspects of our trade. We create beautiful spaces. Adding Granite or Tile will add an inviting atmosphere to your bathroom Renovations. At Shapiro Bathrooms, we make dreams come true. We preform full bathroom remodels. It's simply the way we do business. We offer quality, professionalism and competitive pricing for every job, regardless of project size. Customer satisfaction is our primary goal. Shapiro Bathrooms looks forward to making your dream bathroom a reality. M-F 9-5pm
"Very easy to work with."
Joshua C on July 2022
Why choose Shapiro Services? We are locally owned with our owner-operator, Joshua Shapiro overseeing all aspects of our trade. We create beautiful spaces. Adding Granite or Tile will add an inviting atmosphere to your bathroom Renovations. At Shapiro Bathrooms, we make dreams come true. We preform full bathroom remodels. It's simply the way we do business. We offer quality, professionalism and competitive pricing for every job, regardless of project size. Customer satisfaction is our primary goal. Shapiro Bathrooms looks forward to making your dream bathroom a reality. M-F 9-5pm
"Very easy to work with."
Joshua C on July 2022
Lux Renovations, LLC has been serving New England homeowners since 2002. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 16 years in a row. Something like that doesn't 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 free consultation and design is always available.
"Could not be happier with the materials, the workmanship, the professionalism and flexibility of the project manager (Dan) and primary workman (Paul), and the end result. Everything done exactly as planned, and they assisted us with some unrelated issues that weren't part of the project but were causing delays. All in all, a great experience and we love our finished basement (so do our grandkids!)."
Keith R on June 2025
Lux Renovations, LLC has been serving New England homeowners since 2002. Our dedication to customer experience and satisfaction has won us Owens Corning's top customer service ranking nationally for the last 16 years in a row. Something like that doesn't 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 free consultation and design is always available.
"Could not be happier with the materials, the workmanship, the professionalism and flexibility of the project manager (Dan) and primary workman (Paul), and the end result. Everything done exactly as planned, and they assisted us with some unrelated issues that weren't part of the project but were causing delays. All in all, a great experience and we love our finished basement (so do our grandkids!)."
Keith R on June 2025
Seacoast Kitchen & Bath Builders 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.
"Kyle was very professional and timely. He did an amazing job on our bathroom. We would definitely recommend Seacoast Kitchen & Bath Builders."
ali c on May 2025
Seacoast Kitchen & Bath Builders 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.
"Kyle was very professional and timely. He did an amazing job on our bathroom. We would definitely recommend Seacoast Kitchen & Bath Builders."
ali c on May 2025
Overwall Painting is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Would recommend to a friend"
Diane R on April 2025
Overwall Painting is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Would recommend to a friend"
Diane R on April 2025
Since 2002, Top Shelf Painting & Remodeling, LLC, is a locally owned & operated company that takes great pride in the quality of our finished product. Please give us a call today about your project!
"We were under a tight schedule with my wife's surgery to get this remodel finished. Scott Ela worked very hard to get this job finished."
Peter C on May 2015
Since 2002, Top Shelf Painting & Remodeling, LLC, is a locally owned & operated company that takes great pride in the quality of our finished product. Please give us a call today about your project!
"We were under a tight schedule with my wife's surgery to get this remodel finished. Scott Ela worked very hard to get this job finished."
Peter C on May 2015
NEWPRO Operating LLC. has been meeting the needs of New England homeowners for more than 75 years. Family-operated for three generations, NEWPRO offers custom bath and shower replacements, tub-to-shower conversions, walk-in showers, and tub and shower surround wall systems. Other services include replacement windows, doors, insulated siding systems, roof replacements, and Luxury Vinyl Plank flooring. NEWPRO's best-in-the-industry warranties on product and labor combined with exceptional installation practices and standards set us apart from the rest. Expect a worry-free, hassle-free experience from start through the life of your product with NEWPRO. NEWPRO Home Solutions are the choice for superior performance, beauty and safety.
"Kevin arrived on time and did an amazing job. Cleaned and removed all trash and left everything spotless. I highly recommend."
Sandra R on June 2025
NEWPRO Operating LLC. has been meeting the needs of New England homeowners for more than 75 years. Family-operated for three generations, NEWPRO offers custom bath and shower replacements, tub-to-shower conversions, walk-in showers, and tub and shower surround wall systems. Other services include replacement windows, doors, insulated siding systems, roof replacements, and Luxury Vinyl Plank flooring. NEWPRO's best-in-the-industry warranties on product and labor combined with exceptional installation practices and standards set us apart from the rest. Expect a worry-free, hassle-free experience from start through the life of your product with NEWPRO. NEWPRO Home Solutions are the choice for superior performance, beauty and safety.
"Kevin arrived on time and did an amazing job. Cleaned and removed all trash and left everything spotless. I highly recommend."
Sandra R on June 2025
FAQs for addition and remodeling projects in Londonderry, NH
The typical timeline for completing a garage-to-ADU conversion spans approximately three to six months, encompassing planning, permitting, construction, and final inspections. Projects requiring substantial structural modifications or encountering material delivery delays may extend beyond this timeframe. Working with an experienced general contractor who efficiently coordinates various trades and maintains consistent progress can significantly improve project efficiency and reduce unnecessary delays.
Converting a garage into an ADU typically requires obtaining building permits and potentially specialized electrical, plumbing, and mechanical approvals. Requirements vary significantly between jurisdictions, making consultation with local planning departments essential. Most municipalities mandate specific features, including dedicated entrances, proper emergency egress windows, and verification that the structure meets current residential safety standards. Proceeding without proper authorization risks potential penalties and complications during future property transactions.
California has implemented some of the nation's most supportive ADU regulations to address housing availability challenges. Recent legislation has streamlined approval processes, and local jurisdictions generally must approve projects meeting state guidelines. Nevertheless, individual municipalities may impose additional specific requirements regarding design, parking, or utility connections. Consulting with your local planning department remains essential for understanding the particular regulations applicable to your property.
Converting a garage to an ADU typically increases your property's assessed value, resulting in higher property tax obligations. The specific tax implications depend on your local assessment methods and how substantially the improvements enhance your property's value. While this represents an additional ongoing expense, many property owners find that potential rental income or increased property marketability offsets these higher tax obligations over time.
To qualify as a legal ADU, your converted garage must typically include a separate entrance, functional kitchen facilities, a complete bathroom, adequate natural light, proper ventilation systems, and full compliance with local building codes. Emergency egress provisions and appropriate climate control systems are also generally required. Many jurisdictions establish minimum and maximum size parameters, making consultation with your local building department essential for ensuring your conversion meets all legal requirements.
For many property owners, the potential rental income from a converted garage ADU makes the investment financially worthwhile. Monthly rental payments can help offset mortgage obligations or fund additional property improvements. The actual profitability depends on various factors, including local rental demand, the quality and size of your converted space, and your ability to maintain consistent occupancy. With careful planning and quality execution, many homeowners recover a substantial portion of their investment through ongoing rental revenue.
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