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Find Addition to existing structure builders in Jefferson

Legacy Building Group, LLC

13 George St Apt 3
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Legacy Building Group, LLC

13 George St Apt 3
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
1 years of experience
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!


KDS Development

31 Linda Avenue
4.94(
26
)
Approved Pro

KDS Development

31 Linda Avenue
4.94(
26
)
Approved Pro
Customers say: Quick response
31 years of experience
Free onsite estimate

Over 20 years of experience throughout Massachusetts, including Middlesex County and surrounding suburbs. Our services include: New construction, general contracting, additions kitchens, bathrooms, basements, built-in cabinetry, raised ceilings and cathedral ceilings, second story additions, entertainment center build and design, surround-sound, windows replacement old and new, roofing, dormers, all general carpentry. We are fully licensed and insured, plenty of references, free estimates.

"Small but significant weatherproofing job handled with care and knowledge equivalent to building the Brooklyn Bridge. Top notch customer care and concern."

Glenn M on February 2025

Over 20 years of experience throughout Massachusetts, including Middlesex County and surrounding suburbs. Our services include: New construction, general contracting, additions kitchens, bathrooms, basements, built-in cabinetry, raised ceilings and cathedral ceilings, second story additions, entertainment center build and design, surround-sound, windows replacement old and new, roofing, dormers, all general carpentry. We are fully licensed and insured, plenty of references, free estimates.

"Small but significant weatherproofing job handled with care and knowledge equivalent to building the Brooklyn Bridge. Top notch customer care and concern."

Glenn M on February 2025


Avatar for Oska Construction INC.

Oska Construction INC.

4.88(
8
)
Approved Pro

Oska Construction INC.

4.88(
8
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
48 local quotes requested

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"5 stars. Jose and crew showed up on time and finished in 1 day. Very nice people. Reliable. Will definitely use them again."

Ivan R on February 2025

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"5 stars. Jose and crew showed up on time and finished in 1 day. Very nice people. Reliable. Will definitely use them again."

Ivan R on February 2025


Avatar for Collazo Home Improvement

Collazo Home Improvement

4.96(
26
)
Approved Pro

Collazo Home Improvement

4.96(
26
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
115 local quotes requested

Elevate your home with Collazo Home Improvements & Property Maintenance LLC, a trusted name for home remodeling, handyman services, deck installations and repairs, interior painting, door and window installation, and replacements in Worcester, MA, and surrounding Areas. As a family-owned and operated business, we bring a personal touch to every project. With over 15 years of experience and a commitment to excellence, we take pride in delivering top-notch services that enhance the beauty, comfort, and functionality of your home. From small-scale odd jobs to comprehensive renovations, we've got you covered. Contact us today at (774) 289-7242, and let us transform your vision into reality.

"Very well. It was a challenging job but they got right on it and the deck looks brand new. Will hire again for the next project."

Gary c on September 2025

Elevate your home with Collazo Home Improvements & Property Maintenance LLC, a trusted name for home remodeling, handyman services, deck installations and repairs, interior painting, door and window installation, and replacements in Worcester, MA, and surrounding Areas. As a family-owned and operated business, we bring a personal touch to every project. With over 15 years of experience and a commitment to excellence, we take pride in delivering top-notch services that enhance the beauty, comfort, and functionality of your home. From small-scale odd jobs to comprehensive renovations, we've got you covered. Contact us today at (774) 289-7242, and let us transform your vision into reality.

"Very well. It was a challenging job but they got right on it and the deck looks brand new. Will hire again for the next project."

Gary c on September 2025


Avatar for New England Contracting and mgmt inc

New England Contracting and mgmt inc

80 Kendall Road
5.00(
4
)
Approved Pro

New England Contracting and mgmt inc

80 Kendall Road
5.00(
4
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
82 local quotes requested

We are a general contracting co with over 40 years experience. in both residential and commercial construction. all phases of construction. home building and develomeny,additionz,garages building remodeling, custom kitchen and baths,custom decks. emergency repairs. Free estmates. Have years of experience in insurance claims Personal attention from start to finish. free esitmates

"The did great job at good price too, most important 3 big projects and they were in and out couple weeks they were done and im so happy how the house all come together in no time thanks again jo I appreciate you’re work highly recommend."

gabe a on July 2024

We are a general contracting co with over 40 years experience. in both residential and commercial construction. all phases of construction. home building and develomeny,additionz,garages building remodeling, custom kitchen and baths,custom decks. emergency repairs. Free estmates. Have years of experience in insurance claims Personal attention from start to finish. free esitmates

"The did great job at good price too, most important 3 big projects and they were in and out couple weeks they were done and im so happy how the house all come together in no time thanks again jo I appreciate you’re work highly recommend."

gabe a on July 2024


Avatar for BBS General Construction Inc

BBS General Construction Inc

747 Main St
4.54(
13
)
Approved Pro

BBS General Construction Inc

747 Main St
4.54(
13
)
Approved Pro
Customers say: True professional
1839 local quotes requested
9 years of experience

BBS General Construction Inc. is a mid-sized construction company proudly owned and operated by members of a big, close-knit, and blessed family. Founded in 2016, BBS stands for “Brother and Big Sister” — a tribute to the bond between founders Ciro Malo and Rosa, who built this company on the values of family, loyalty, and integrity. We specialize in roofing, siding, and gutter services, delivering reliable, high-quality craftsmanship to homeowners and businesses across our community. At BBS, relationships come first. We honor the wisdom that comes with age and experience, and hold a special place in our hearts for elderly customers and veterans. Providing them with respectful, attentive service is part of our mission. We also care deeply about our planet. Whenever possible, we choose environmentally responsible materials and practices to help protect the world we all share. With BBS General Construction Inc., you’re not just hiring a contractor — you’re partnering with a team that treats every customer like family.

"No comment"

Marco P on May 2024

BBS General Construction Inc. is a mid-sized construction company proudly owned and operated by members of a big, close-knit, and blessed family. Founded in 2016, BBS stands for “Brother and Big Sister” — a tribute to the bond between founders Ciro Malo and Rosa, who built this company on the values of family, loyalty, and integrity. We specialize in roofing, siding, and gutter services, delivering reliable, high-quality craftsmanship to homeowners and businesses across our community. At BBS, relationships come first. We honor the wisdom that comes with age and experience, and hold a special place in our hearts for elderly customers and veterans. Providing them with respectful, attentive service is part of our mission. We also care deeply about our planet. Whenever possible, we choose environmentally responsible materials and practices to help protect the world we all share. With BBS General Construction Inc., you’re not just hiring a contractor — you’re partnering with a team that treats every customer like family.

"No comment"

Marco P on May 2024


Avatar for Master Bath Pros Inc

Master Bath Pros Inc

651 Mechanic St
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Master Bath Pros Inc

651 Mechanic St
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
1205 local quotes requested
2 years of experience

At Master Bath Pros, we pride ourselves on a decade-long journey of transforming bathrooms into spaces of comfort and elegance. Our team of experienced designers and builders work closely with you to bring your dream bathroom to life, ensuring a seamless process from design to execution. Our commitment to quality and customer satisfaction makes us a trusted name in bathroom remodeling. Master Bath Pros offers a comprehensive suite of bathroom remodeling services. From contemporary makeovers to classic renovations, we specialize in transforming your bathroom to reflect your unique style and meet your functional needs We offer bath & shower remodels, walk-in tubs, 1-day bathroom remodel, and more. Contact us for a quote!

At Master Bath Pros, we pride ourselves on a decade-long journey of transforming bathrooms into spaces of comfort and elegance. Our team of experienced designers and builders work closely with you to bring your dream bathroom to life, ensuring a seamless process from design to execution. Our commitment to quality and customer satisfaction makes us a trusted name in bathroom remodeling. Master Bath Pros offers a comprehensive suite of bathroom remodeling services. From contemporary makeovers to classic renovations, we specialize in transforming your bathroom to reflect your unique style and meet your functional needs We offer bath & shower remodels, walk-in tubs, 1-day bathroom remodel, and more. Contact us for a quote!


Avatar for Long Home Products

Long Home Products

300 Myles Standish Blvd
2.68(
22
)
Approved Pro

Long Home Products

300 Myles Standish Blvd
2.68(
22
)
Approved Pro
4528 local quotes requested
80 years of experience

With over 70 years of experience in home improvement, Long Home Products is the industry-leading company you can trust to give you peace of mind. We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We are experts in all aspects of roofing, bathroom, window and door projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"I hired Long Roofing Products to replace my roof. From the beginning the sales man lied to me, telling me that they could take off my Gutter Helmets and put them back on correctly. This was lie #1. They have null and voided the warranty of my gutter helmets, because they were not supposed to touch them and according to Gutter Helmets all the roofers know this. lie #2 there were missing pieces on the ends of my gutter helmets to prevent the birds from getting into the gutters. The salesman told me they would order the piece from Gutter Helmets and replace it. This was never done. I have contacted them several times and they continue to tell me they will fix it and they never do. I would NEVER recommend them, I would only tell you NOT to use them. They talk a big game but never follow thru with their promise's."

Debbie B on August 2025

With over 70 years of experience in home improvement, Long Home Products is the industry-leading company you can trust to give you peace of mind. We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We are experts in all aspects of roofing, bathroom, window and door projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"I hired Long Roofing Products to replace my roof. From the beginning the sales man lied to me, telling me that they could take off my Gutter Helmets and put them back on correctly. This was lie #1. They have null and voided the warranty of my gutter helmets, because they were not supposed to touch them and according to Gutter Helmets all the roofers know this. lie #2 there were missing pieces on the ends of my gutter helmets to prevent the birds from getting into the gutters. The salesman told me they would order the piece from Gutter Helmets and replace it. This was never done. I have contacted them several times and they continue to tell me they will fix it and they never do. I would NEVER recommend them, I would only tell you NOT to use them. They talk a big game but never follow thru with their promise's."

Debbie B on August 2025


Avatar for Brusa Home Improvement

Brusa Home Improvement

256 Millbury St
4.36(
112
)
Approved Pro

Brusa Home Improvement

256 Millbury St
4.36(
112
)
Approved Pro
Customers say: Quality work
175 local quotes requested
31 years of experience

Brusa Home Improvement, formerly known as "Central Mass Handyman" is owned and operated by Chris Brusa. Established in 1994. Licensed, and Insured. Excellent references. Jobs are priced by the job, or as some customers prefer by the hour. Flexible hours, and rates.

"This was the 2nd bath reno that Chris did for us. Couldn't be happier with how it turned out...."

Richard B on June 2025

Brusa Home Improvement, formerly known as "Central Mass Handyman" is owned and operated by Chris Brusa. Established in 1994. Licensed, and Insured. Excellent references. Jobs are priced by the job, or as some customers prefer by the hour. Flexible hours, and rates.

"This was the 2nd bath reno that Chris did for us. Couldn't be happier with how it turned out...."

Richard B on June 2025


Avatar for Rodenhiser Home Services

Rodenhiser Home Services

325 Hopping Brook Rd
4.39(
506
)
Approved Pro

Rodenhiser Home Services

325 Hopping Brook Rd
4.39(
506
)
Approved Pro
Customers say: Super punctual
2850 local quotes requested
97 years of experience

When it comes to great service for your home or business, it doesn't get better than the professionalism and dedication of Rodenhiser. It's an unsurpassed level of service built on a promise that ensures you get the very best - when you call Rodenhiser your satisfaction is guaranteed. With 90+ years of delighted residential and commercial clients, you can be sure that it's a promise that Rodenhiser delivers on every day.

"The work was done correctly and promptly, but quite expensive. On the plus side, he presented all the options and didn't really try to upsell. Just the facts."

stephen m on August 2024

When it comes to great service for your home or business, it doesn't get better than the professionalism and dedication of Rodenhiser. It's an unsurpassed level of service built on a promise that ensures you get the very best - when you call Rodenhiser your satisfaction is guaranteed. With 90+ years of delighted residential and commercial clients, you can be sure that it's a promise that Rodenhiser delivers on every day.

"The work was done correctly and promptly, but quite expensive. On the plus side, he presented all the options and didn't really try to upsell. Just the facts."

stephen m on August 2024

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FAQs for addition to existing structure building service projects in Jefferson, MA

Yes, hidden rooms are legal, as long as they meet all local building regulations. If you sell your house, most states require homeowners to disclose full houseplans, which would include any hidden rooms.

If your secret room is a safe room, it should contain a means of communication aside from a cell phone, such as a shortwave radio. You should also have plenty of drinking water, a portable generator, emergency food supplies, blankets, pillows, flashlights, batteries and a first aid kit.

Any time you update your home’s square footage, you increase its value, but a secret room is a niche feature that doesn't rank high on every buyer’s list of must-haves. Investing your money in remodeling more common living areas like bedrooms, bathrooms, or kitchens will have a higher ROI than adding a secret room. Many secret rooms can act as entertainment spaces (think a game room or wine cellar) or quiet spaces (a library or study), so when building your secret room you may want to consider its versatility for when you’re ready to sell.

The Jefferson, MA homeowners’ guide to addition to existing structure building services

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

  • A renovated kitchen with a waterfall island

    HomeAdvisor’s DIY Kitchen Remodel Cost Guide looks at the cost of buying supplies and doing the work yourself. Find the key cost factors and how to cut expenses.

  • Secret room within bookcase

    HomeAdvisor's expert guide walks you through the cost to build a secret room, whether you're creating a safe room for security or a fun space to fulfil your childhood fantasies. Use this guide to help plan your secret room project and explore room, concea

  • outdoor patio bar

    Explore the cost to build a bar in your home and learn how materials, wet vs. dry bars, and labor costs influence the total price of your project.