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Find Addition to existing structure builders in Brewster

MC Squared Renovations

14 Edgewood Terrace
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

MC Squared Renovations

14 Edgewood Terrace
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
9 years of experience
Free onsite estimate

MC Squared Renovations 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.

MC Squared Renovations 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.


Avatar for JR General Contractor, LLC

JR General Contractor, LLC

22 Olive Street
4.83(
15
)
Approved Pro

JR General Contractor, LLC

22 Olive Street
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 American Pioneer Construction

American Pioneer Construction

185 Cortlandt St
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

American Pioneer Construction

185 Cortlandt St
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
32 years of experience
Free onsite estimate

I founded American Pioneer Construction in July 1993 to give my customers top quality design and installation in a timely manner and at a fair and competitive price. Our goal is to help you create your dreams.We are fully licensed in Westchester and Putnam counties in New York. We have a multi million dollar insurance policy which has never been used in 30 years. The reason is that cleanliness and safety are our top priorities. We are on site every day until the job is completed. We have massive experience in indoor and outdoor renovations for your home. Indoors includes kitchens, bathrooms, basements, doors, windows, moldings, additions, and custom cabinet and shelving units of any size. Also, outdoors we build decks, covered porches, walkways, patios, and fire pits. We have built over 300 Koi ponds that have been featured in international magazines and huge pond tours. We also frame/build garages,sheds, and outdoor bars. Give us a call so you can find out how we can help you.

I founded American Pioneer Construction in July 1993 to give my customers top quality design and installation in a timely manner and at a fair and competitive price. Our goal is to help you create your dreams.We are fully licensed in Westchester and Putnam counties in New York. We have a multi million dollar insurance policy which has never been used in 30 years. The reason is that cleanliness and safety are our top priorities. We are on site every day until the job is completed. We have massive experience in indoor and outdoor renovations for your home. Indoors includes kitchens, bathrooms, basements, doors, windows, moldings, additions, and custom cabinet and shelving units of any size. Also, outdoors we build decks, covered porches, walkways, patios, and fire pits. We have built over 300 Koi ponds that have been featured in international magazines and huge pond tours. We also frame/build garages,sheds, and outdoor bars. Give us a call so you can find out how we can help you.


Dannick Carpentry, LLC

41 Old Lantern Rd
5.00(
1
)
Approved Pro

Dannick Carpentry, LLC

41 Old Lantern Rd
5.00(
1
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 years of experience

Dannick Capentry 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.

"Dan and his team are very professional and very experienced."

Lynn U on June 2023

Dannick Capentry 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.

"Dan and his team are very professional and very experienced."

Lynn U on June 2023


Avatar for Douglas Marshall Cooper Associates, LLC

Douglas Marshall Cooper Associates, LLC

57 Westchester Avenue
4.63(
22
)
Approved Pro

Douglas Marshall Cooper Associates, LLC

57 Westchester Avenue
4.63(
22
)
Approved Pro
Customers say: Quick response
29 years of experience
Free onsite estimate

Douglas Marshall Cooper Associates is a full-service design and construction firm whose practice encompasses both new and existing buildings of residential and commercial use, as well as speculative housing and development. Mr. Cooper’s office is located in Pound Ridge, New York and includes a staff of himself, an associate partner, three assistants and a host of carpenters, masons, and laborers, in addition to various subcontractors that work on projects small to large. Douglas Marshall Cooper Associate's roots are based in Construction, Design, Real Estate Investment and Development & Construction Management. Our portfolio includes a wide range of work across these fields. Our uniqueness comes from understanding what it is to be the Owner, the Developer and the Builder –- a trifecta that is evident in DMC Associate's core portfolio of prestigious residential, commercial, and corporate projects. Douglas Marshall Cooper Associates, LLC...a solid track record. A powerful future.

"I wish I could give zero stars. We hired Douglas for a kitchen remodel which involved installing a kitchen island, pantry, and all the related plumbing and electrical work. The communication between Douglas and his carpenter was terrible. We submitted sketches and agreed upon the design for the cabinets which were meant to be overlaid. When the island arrived, the cabinets were inset which did not match the rest of the kitchen. In addition, the kitchen island has split and cracked at more than half of the joints. The pantry cabinet has split and areas of unpainted MDF are showing. We have needed to paint and touch up many of these spots. Regarding the plumbing, we have had multiple significant leaks from piping and tubing that the team installed. Water has leaked even through the floor and into the basement. Upon review from other plumbers, all have confirmed the parts used were cheap and of low quality, and the workmanship was subpar. After a major leak in the middle of the night, we reached out to Douglas and respectfully voiced our issues and complaints. He ignored us for a full month, and then instead of simply stopping by to take a look at the problems (which would have been the first major step to alleviating our frustrations), he responded in a despicable manner. He even included the following quote from his lawyer, He laughed saying that perhaps you lost your job (due to the CoronaVirus) and were probably scrounging for any money you could scrape up. Who would want to work with someone like this?"

Keri P on October 2020

Douglas Marshall Cooper Associates is a full-service design and construction firm whose practice encompasses both new and existing buildings of residential and commercial use, as well as speculative housing and development. Mr. Cooper’s office is located in Pound Ridge, New York and includes a staff of himself, an associate partner, three assistants and a host of carpenters, masons, and laborers, in addition to various subcontractors that work on projects small to large. Douglas Marshall Cooper Associate's roots are based in Construction, Design, Real Estate Investment and Development & Construction Management. Our portfolio includes a wide range of work across these fields. Our uniqueness comes from understanding what it is to be the Owner, the Developer and the Builder –- a trifecta that is evident in DMC Associate's core portfolio of prestigious residential, commercial, and corporate projects. Douglas Marshall Cooper Associates, LLC...a solid track record. A powerful future.

"I wish I could give zero stars. We hired Douglas for a kitchen remodel which involved installing a kitchen island, pantry, and all the related plumbing and electrical work. The communication between Douglas and his carpenter was terrible. We submitted sketches and agreed upon the design for the cabinets which were meant to be overlaid. When the island arrived, the cabinets were inset which did not match the rest of the kitchen. In addition, the kitchen island has split and cracked at more than half of the joints. The pantry cabinet has split and areas of unpainted MDF are showing. We have needed to paint and touch up many of these spots. Regarding the plumbing, we have had multiple significant leaks from piping and tubing that the team installed. Water has leaked even through the floor and into the basement. Upon review from other plumbers, all have confirmed the parts used were cheap and of low quality, and the workmanship was subpar. After a major leak in the middle of the night, we reached out to Douglas and respectfully voiced our issues and complaints. He ignored us for a full month, and then instead of simply stopping by to take a look at the problems (which would have been the first major step to alleviating our frustrations), he responded in a despicable manner. He even included the following quote from his lawyer, He laughed saying that perhaps you lost your job (due to the CoronaVirus) and were probably scrounging for any money you could scrape up. Who would want to work with someone like this?"

Keri P on October 2020


Avatar for Modo Renovations, LLC

Modo Renovations, LLC

220 Waverly Ave, Apt PH4
5.00(
18
)
Approved Pro

Modo Renovations, LLC

220 Waverly Ave, Apt PH4
5.00(
18
)
Approved Pro
4 years of experience
Free onsite estimate

Specializing in residential development, design, and construction in residential. Fully licensed & insured with a Superintendent license with Site Safety training and SST supervisor card as needed for larger projects. Services include: Full-service Construction management from architectural and engineering design to completion, General contracting work doing a project from design to completion , Project Management consultant work, licensed superintendent work, Renovation & remodel while working with a client’s design and designers’, Any type of construction with interiors or exterior.

"Highly recommend! I absolutely love how my kitchen turned out—the quality and finished product are excellent. The team did a fantastic job, and everything was managed professionally from start to finish. I couldn’t have done it without Modo!"

Race R on August 2025

Specializing in residential development, design, and construction in residential. Fully licensed & insured with a Superintendent license with Site Safety training and SST supervisor card as needed for larger projects. Services include: Full-service Construction management from architectural and engineering design to completion, General contracting work doing a project from design to completion , Project Management consultant work, licensed superintendent work, Renovation & remodel while working with a client’s design and designers’, Any type of construction with interiors or exterior.

"Highly recommend! I absolutely love how my kitchen turned out—the quality and finished product are excellent. The team did a fantastic job, and everything was managed professionally from start to finish. I couldn’t have done it without Modo!"

Race R on August 2025


Avatar for Thomas J. Curro Architect, P.C.

Thomas J. Curro Architect, P.C.

42 Lake Avenue EXT Suite 164
4.83(
27
)
Approved Pro

Thomas J. Curro Architect, P.C.

42 Lake Avenue EXT Suite 164
4.83(
27
)
Approved Pro
Customers say: Quick response
26 years of experience

Every construction project has inherent struggle and stress on the journey to successful completion. From bureaucratic red tape with municipalities to working within financial constraints to communication frustrations with construction professionals, clients need a guide to help them navigate the challenges of their project. With over 25 years of experience as a licensed architect, Tom has confronted all manner of challenges and their accompanying stress and frustration with the primary goal of taking the stress out of the construction project for his clients. As your guide throughout the project, he stands ready to educate you, advocate for you, and of course, provide you with excellent architectural drawings that pave the way to a smooth building process and superior end product. Tom offers his clients more than just a completed set of architectural plans. They also walk away with the peace of mind that comes from a job well designed and executed, from start to finish.

"null"

Maria D on January 2019

Every construction project has inherent struggle and stress on the journey to successful completion. From bureaucratic red tape with municipalities to working within financial constraints to communication frustrations with construction professionals, clients need a guide to help them navigate the challenges of their project. With over 25 years of experience as a licensed architect, Tom has confronted all manner of challenges and their accompanying stress and frustration with the primary goal of taking the stress out of the construction project for his clients. As your guide throughout the project, he stands ready to educate you, advocate for you, and of course, provide you with excellent architectural drawings that pave the way to a smooth building process and superior end product. Tom offers his clients more than just a completed set of architectural plans. They also walk away with the peace of mind that comes from a job well designed and executed, from start to finish.

"null"

Maria D on January 2019


Avatar for Arcanna Homes, Inc.

Arcanna Homes, Inc.

PO Box 335
4.83(
3
)
Approved Pro

Arcanna Homes, Inc.

PO Box 335
4.83(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 years of experience

Arcanna Homes, Inc., is a family run home construction company that's been in business since 1989. From stick built to panelized structures, we use the fastest, highest quality home construction method available and can supply all necessary design, accounting, project management and professional labor. A new home or home addition built with Panelized Construction Technology can easily be customized, weather tight and secure in days and exceeds today's rigid construction financing terms! Panelized structures use cutting-edge automation and are built in factory-perfect conditions. Complete exterior and interior wall panels are pre-engineered and shipped to the building site for final assembly, offering substantial time and cost savings. WATCH THE VIDEO: https://youtu.be/7k81cF7p2rM

"I would recommend Arcanna Homes in a heartbeat. I had a kitchen renovation done (and I have a very small house) and we were treated like we were building a brand new home. Ralph answered all my calls (even when he was away) and even met with us over the weekend to help us pick out cabinets. His workers were all efficient and great (even through the hot July weather)."

Lucy V on November 2012

Arcanna Homes, Inc., is a family run home construction company that's been in business since 1989. From stick built to panelized structures, we use the fastest, highest quality home construction method available and can supply all necessary design, accounting, project management and professional labor. A new home or home addition built with Panelized Construction Technology can easily be customized, weather tight and secure in days and exceeds today's rigid construction financing terms! Panelized structures use cutting-edge automation and are built in factory-perfect conditions. Complete exterior and interior wall panels are pre-engineered and shipped to the building site for final assembly, offering substantial time and cost savings. WATCH THE VIDEO: https://youtu.be/7k81cF7p2rM

"I would recommend Arcanna Homes in a heartbeat. I had a kitchen renovation done (and I have a very small house) and we were treated like we were building a brand new home. Ralph answered all my calls (even when he was away) and even met with us over the weekend to help us pick out cabinets. His workers were all efficient and great (even through the hot July weather)."

Lucy V on November 2012


Avatar for Westbrook Contracting, LLC

Westbrook Contracting, LLC

110 Washington Ave
5.00(
81
)
Approved Pro

Westbrook Contracting, LLC

110 Washington Ave
5.00(
81
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 local quotes requested

Westbrook Contracting LLC offers the highest level of professionalism and quality renovations Westchester County. We strive to meet our residential and commercial clients’ individual needs and do not cut corners. Dave, the owner, is on the jobsite from the first consultation through the close of the project to ensure his high standards. Thank you for considering Westbrook Contracting LLC and we look forward to impressing you!

"I couldn't be happier with the incredible work Westbrook Contracting, LLC did on our new deck! From the first consultation to the final nail, the team was professional, punctual, and truly skilled. They helped us design a space that perfectly fits our lifestyle, blending functionality with beautiful craftsmanship. The attention to detail was impeccable—every board is aligned perfectly, and the finish work is top-notch. We’ve already gotten so many compliments from neighbors, and our new porch has quickly become our favorite spot to unwind in the evenings. If you're considering adding or upgrading a deck or porch, don’t think twice—Westbrook Contracting is the way to go. Quality work, great people, and results that truly speak for themselves!"

Julie A on July 2025

Westbrook Contracting LLC offers the highest level of professionalism and quality renovations Westchester County. We strive to meet our residential and commercial clients’ individual needs and do not cut corners. Dave, the owner, is on the jobsite from the first consultation through the close of the project to ensure his high standards. Thank you for considering Westbrook Contracting LLC and we look forward to impressing you!

"I couldn't be happier with the incredible work Westbrook Contracting, LLC did on our new deck! From the first consultation to the final nail, the team was professional, punctual, and truly skilled. They helped us design a space that perfectly fits our lifestyle, blending functionality with beautiful craftsmanship. The attention to detail was impeccable—every board is aligned perfectly, and the finish work is top-notch. We’ve already gotten so many compliments from neighbors, and our new porch has quickly become our favorite spot to unwind in the evenings. If you're considering adding or upgrading a deck or porch, don’t think twice—Westbrook Contracting is the way to go. Quality work, great people, and results that truly speak for themselves!"

Julie A on July 2025


Avatar for GM Carpentry & Remodeling LLC

GM Carpentry & Remodeling LLC

10 Francis Rd
5.00(
19
)
Approved Pro

GM Carpentry & Remodeling LLC

10 Francis Rd
5.00(
19
)
Approved Pro
Customers say: True professional
5 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"We hired Marcelo and his team to find and fix a leak. It involved assessing the problem which he patiently did and determined the best fix which involved a window replacement. His work was professional, efficient and fairly priced. We have been using GM Carpentry and remodeling for both big and small jobs ever since. "

Pam C on April 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"We hired Marcelo and his team to find and fix a leak. It involved assessing the problem which he patiently did and determined the best fix which involved a window replacement. His work was professional, efficient and fairly priced. We have been using GM Carpentry and remodeling for both big and small jobs ever since. "

Pam C on April 2025

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FAQs for addition to existing structure building service projects in Brewster, NY

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 Brewster, NY 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.