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Major home repair pros (general contractors) in Mastic Beach

KG Home Improvement
29 Rabbit Run
5.00(
1
)
Approved Pro
KG Home Improvement
29 Rabbit Run
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 years of experience

Great work at great price! A fresh coat of paint or stain can bring new life to rooms, add curb appeal to homes and commercial buildings, and help protect your investment for years to come. We are happy to bid on all types of painting in the Riverhead area. We will meet with you, at your convenience, and provide you with a free, written, detailed estimate – no surprise charges added after the fact. Locally owned and operated, we’re a small company with big capabilities, including interior painting, exterior painting, commercial painting, deck finishing, and interior design.

"They did a great job, and stayed on schedule. There bid was very competitive. Would hire again."

Charles S on April 2020

Great work at great price! A fresh coat of paint or stain can bring new life to rooms, add curb appeal to homes and commercial buildings, and help protect your investment for years to come. We are happy to bid on all types of painting in the Riverhead area. We will meet with you, at your convenience, and provide you with a free, written, detailed estimate – no surprise charges added after the fact. Locally owned and operated, we’re a small company with big capabilities, including interior painting, exterior painting, commercial painting, deck finishing, and interior design.

"They did a great job, and stayed on schedule. There bid was very competitive. Would hire again."

Charles S on April 2020


Kiwi Restorations, LLC
194 Mill Road
5.00(
2
)
Approved Pro
Kiwi Restorations, LLC
194 Mill Road
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

We are 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.

"Shane and his crew were fantastic. From our first meeting through completion the renovation was seamless. Great attention to detail, neat, clean and respectful of my house. Finished on time and on budget. Highly recommended."

Mark K on February 2024

We are 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.

"Shane and his crew were fantastic. From our first meeting through completion the renovation was seamless. Great attention to detail, neat, clean and respectful of my house. Finished on time and on budget. Highly recommended."

Mark K on February 2024


Avatar for Granville House Victorians L.L.C.
Granville House Victorians L.L.C.
16 Riverdale Ave
5.00(
1
)
Approved Pro
Granville House Victorians L.L.C.
16 Riverdale Ave
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 years of experience

The linkedin site will tell our Story. Clients will take advantage of Granville's in house Design capabilities with CAD. see granvillevictorians.com for examples of our work

"Granville House Victorians L.L.C. is extremely skilled and professional. My Victorian style house came out better than I could have dreamed. Granville took care of everything and they are extremely knowledgeable in what they do."

Jonathan P on January 2023

The linkedin site will tell our Story. Clients will take advantage of Granville's in house Design capabilities with CAD. see granvillevictorians.com for examples of our work

"Granville House Victorians L.L.C. is extremely skilled and professional. My Victorian style house came out better than I could have dreamed. Granville took care of everything and they are extremely knowledgeable in what they do."

Jonathan P on January 2023


Avatar for MIDCO
MIDCO
1012 Park Street
4.94(
15
)
Approved Pro
MIDCO
1012 Park Street
4.94(
15
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
30 years of experience

MIDCO is a design and build corporation that specializes in high end interior and exterior finishes in the New York Metro area. We produce top quality results with customer service being our number one priority. We manage and complete project types ranging from residential and commercial renovations and remodels to new construction and full custom builds.

"Marcel and his are great they were hired by mom unfortunately she passed away and I took over the coordination their work was great very professional very efficient l I would highly recommended and everyone who has come by the house to see was astonished of the workshop a d quality now I have a great new first floor kitchen and bathroom my mom would have been amazed about the transformation of her apartment. So if you need any renovation don't hesitate to co tact marcel and his crew."

Srodin L on May 2024

MIDCO is a design and build corporation that specializes in high end interior and exterior finishes in the New York Metro area. We produce top quality results with customer service being our number one priority. We manage and complete project types ranging from residential and commercial renovations and remodels to new construction and full custom builds.

"Marcel and his are great they were hired by mom unfortunately she passed away and I took over the coordination their work was great very professional very efficient l I would highly recommended and everyone who has come by the house to see was astonished of the workshop a d quality now I have a great new first floor kitchen and bathroom my mom would have been amazed about the transformation of her apartment. So if you need any renovation don't hesitate to co tact marcel and his crew."

Srodin L on May 2024


Design Development Construction Services, LLC
900 South 2nd St Suite #5
4.86(
12
)
Approved Pro
Design Development Construction Services, LLC
900 South 2nd St Suite #5
4.86(
12
)
Approved Pro
Customers say: Quality work
51 years of experience
Free onsite estimate

Hiring a general contractor is the first step in taking control of your home improvement project. Having an industry professional like Design Development Construction Services, LLC coordinate and manage all aspects of your project means fewer delays, tighter quality control and a more successful outcome. All of these contribute to a greater return on your investment. We have been in business since 1974 and would like the opportunity to speak with you about your home improvement needs.

"Very experienced company with an amazing wood working facility for custom projects. Excellent communication and customer service."

Liat A on July 2021

Hiring a general contractor is the first step in taking control of your home improvement project. Having an industry professional like Design Development Construction Services, LLC coordinate and manage all aspects of your project means fewer delays, tighter quality control and a more successful outcome. All of these contribute to a greater return on your investment. We have been in business since 1974 and would like the opportunity to speak with you about your home improvement needs.

"Very experienced company with an amazing wood working facility for custom projects. Excellent communication and customer service."

Liat A on July 2021


Avatar for JA Carpentry Works LLC
JA Carpentry Works LLC
PO Box 2671
4.98(
32
)
Approved Pro
JA Carpentry Works LLC
PO Box 2671
4.98(
32
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

Our company prides itself on reliability, integrity and quality work. When JA Carpentry Works, LLC, is hired, we make it a point to provide the highest level of customer service. We work with both residential and commercial clients, and apply the same attention to detail regardless of project size or complexity. Whether you need a small repair or NEW Renovation JA Carpentry Works, LLC, is the company to call. We look forward to earning your business! Thank you!

"Excellent job in a very professional manner. Javier was courteous and very responsive and on top of things I would recommend this company and him."

nitsana s on November 2023

Our company prides itself on reliability, integrity and quality work. When JA Carpentry Works, LLC, is hired, we make it a point to provide the highest level of customer service. We work with both residential and commercial clients, and apply the same attention to detail regardless of project size or complexity. Whether you need a small repair or NEW Renovation JA Carpentry Works, LLC, is the company to call. We look forward to earning your business! Thank you!

"Excellent job in a very professional manner. Javier was courteous and very responsive and on top of things I would recommend this company and him."

nitsana s on November 2023


Avatar for Remodel Showroom
Remodel Showroom
137 Montauk Highway
5.00(
2
)
Approved Pro
Remodel Showroom
137 Montauk Highway
5.00(
2
)
Approved Pro
Customers say: Quick response
25 local quotes requested
10 years of experience

Remodel Offers Kitchen and Bathroom Products from Cabinetry to Countertops, Tile, Plumbing, Lighting + Wallpaper, Hardware and Closets

"."

Kelly C on April 2017

Remodel Offers Kitchen and Bathroom Products from Cabinetry to Countertops, Tile, Plumbing, Lighting + Wallpaper, Hardware and Closets

"."

Kelly C on April 2017


Palmira Design & Construction, LLC
13 Kennedy Lane
4.86(
7
)
Approved Pro
Palmira Design & Construction, LLC
13 Kennedy Lane
4.86(
7
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

Palmira Design & Construction 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. Call us today!

"Excellent contractor who organized a group of craftsmen - carpenters, plumbers, electricians, tile people- and completed two bathrooms in 3 weeks in time for new tenants move in. Great design ideas and high quality materials. Very skilled and high standards and worksmanship. Hal K Sag Harbor NY"

Hal K on July 2022

Palmira Design & Construction 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. Call us today!

"Excellent contractor who organized a group of craftsmen - carpenters, plumbers, electricians, tile people- and completed two bathrooms in 3 weeks in time for new tenants move in. Great design ideas and high quality materials. Very skilled and high standards and worksmanship. Hal K Sag Harbor NY"

Hal K on July 2022


Avatar for East End Designs, LLC
East End Designs, LLC
11 Bridal Path
4.91(
37
)
Approved Pro
East End Designs, LLC
11 Bridal Path
4.91(
37
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
15 years of experience

For over 20 years, Shawn Piazza, the owner of East End Designs, LLC has been providing top quality renovations to the East End and throughout Suffolk County. The team at East End Designs has the capability and knowledge to bring your dream project from an idea to completion. Please call 631-565-1117 or email leanna@eastenddesigns.net to book your free consultation today.

"Please please be aware of this company. At first Shawn comes across as if he's your best friend and it all started great. We were recommended by our public adjuster after a house fire and things started great. But after he got his 2 big payments from our insurance company, he got us toove back in but never came back to finish the work and now is demanding we pay for unfinished work. Be careful if using public adjuster that recommends Bulovas and East end designs. I know they run a business for profit, just be aware of where your insurance money is going and have a written contract that you read for everything, not just to hand over what the insurance pays. You are entitled to only pay for work done!!! And if you do additional add one, get a price of what the extra cost will be. Do not listen when he says he will make it all work within the budget and document every little thing"

Tory T on March 2025

For over 20 years, Shawn Piazza, the owner of East End Designs, LLC has been providing top quality renovations to the East End and throughout Suffolk County. The team at East End Designs has the capability and knowledge to bring your dream project from an idea to completion. Please call 631-565-1117 or email leanna@eastenddesigns.net to book your free consultation today.

"Please please be aware of this company. At first Shawn comes across as if he's your best friend and it all started great. We were recommended by our public adjuster after a house fire and things started great. But after he got his 2 big payments from our insurance company, he got us toove back in but never came back to finish the work and now is demanding we pay for unfinished work. Be careful if using public adjuster that recommends Bulovas and East end designs. I know they run a business for profit, just be aware of where your insurance money is going and have a written contract that you read for everything, not just to hand over what the insurance pays. You are entitled to only pay for work done!!! And if you do additional add one, get a price of what the extra cost will be. Do not listen when he says he will make it all work within the budget and document every little thing"

Tory T on March 2025


Avatar for WOOD ISLAND BROS HOME IMPROVEMENT INC
WOOD ISLAND BROS HOME IMPROVEMENT INC
28 Winding Path 11
5.00(
2
)
Approved Pro
WOOD ISLAND BROS HOME IMPROVEMENT INC
28 Winding Path 11
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 local quotes requested

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Wood Island Home Improvement you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

"Wood Island bros. is a great business, I hired them for a bunch of repairs in my home, including kitchen and window repair. I recommend this company, very efficient and and professional."

Melva C on October 2024

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Wood Island Home Improvement you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

"Wood Island bros. is a great business, I hired them for a bunch of repairs in my home, including kitchen and window repair. I recommend this company, very efficient and and professional."

Melva C on October 2024

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Major home repairs (general contractor) FAQs

A general contractor oversees a project from start to completion. They create the project’s timeline and schedule, hire, manage, and pay subcontractors and workers, and purchase and deliver building materials and supplies. They’ll also acquire necessary permits and HOA approvals, plan and execute necessary project changes, and make sure work meets quality standards.

Hiring an independent general contractor costs between 10% and 20% of your overall project cost, with larger projects incurring fees up to 25%. This fee covers complete project oversight, scheduling, and subcontractor management. The fee ranges from a few hundred dollars to tens of thousands of dollars, reflecting the full scope of the planned work and ensuring seamless coordination throughout the construction process.

General contractors typically provide estimates at no charge, but some may charge a small fee, especially for more complex projects. It's important to secure a written estimate, as it establishes a transparent agreement on project scope, labor, materials, and any additional fees. This helps protect you against unforeseen expenses and ensures clarity before the work begins.

When hiring a general contractor, you must provide an upfront deposit that ranges from 10% to 20% of your overall project cost. This deposit secures material orders, labor scheduling, and initial project preparations. An upfront deposit exceeding 50% is a clear warning sign and should prompt thorough contract verification before proceeding.

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