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Find Doors (exterior) installers and replacers in Sag Harbor

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


"We are extremely happy with how our new windows and new front door turned out. After some unexpected challenges with the way our home was built, our installation crew quickly and efficiently adapted to make sure our windows and door were installed with expert care. Every time we see our new beautiful picture window we are left breathless! And our beautiful front door is the perfect upgrade for the look of our home. Thank you RBA!"

JENNIFER S on August 2025

Replacement Window Installation, Replacement Patio Door Installation, Replacement Entry Door Installation

"We are extremely happy with how our new windows and new front door turned out. After some unexpected challenges with the way our home was built, our installation crew quickly and efficiently adapted to make sure our windows and door were installed with expert care. Every time we see our new beautiful picture window we are left breathless! And our beautiful front door is the perfect upgrade for the look of our home. Thank you RBA!"

JENNIFER S on August 2025


Jack Reardon Construction

512 Front Street
5.00(
5
)
Approved Pro

Jack Reardon Construction

512 Front Street
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
41 years of experience

With over 30 years of experience, Jack Reardon Construction is dedicated to providing our clients with the very best in service, installation, and repair for all phases of your home improvement project. We're very timely with our work and never lose attention to detail. Call today you'll be pleased you did. We give free estimates!

"Hired Jack to replace a door-responded quickly, and communicated all phases and aspects of the job. Recommend highly!"

Larry H on January 2017

With over 30 years of experience, Jack Reardon Construction is dedicated to providing our clients with the very best in service, installation, and repair for all phases of your home improvement project. We're very timely with our work and never lose attention to detail. Call today you'll be pleased you did. We give free estimates!

"Hired Jack to replace a door-responded quickly, and communicated all phases and aspects of the job. Recommend highly!"

Larry H on January 2017


David Custom Detailing

124 Oakview Hwy
4.88(
24
)
Approved Pro

David Custom Detailing

124 Oakview Hwy
4.88(
24
)
Approved Pro
Customers say: Quality work
31 local quotes requested
13 years of experience

With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next handyman project. We welcome your questions and thank you for your interest. Give us a call today!

"We recently found Victor on Angie’s list and he is absolute fantastic! We recently moved in and need help with all kinds of projects from painting to deck work to electrical and more. He couldn’t be more lively to work with. He is very responsive and has fair prices. I highly recommend him! We will be using Victor and his great crew for all future house projects. Thank you, Victor!!"

Christine M on June 2025

With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next handyman project. We welcome your questions and thank you for your interest. Give us a call today!

"We recently found Victor on Angie’s list and he is absolute fantastic! We recently moved in and need help with all kinds of projects from painting to deck work to electrical and more. He couldn’t be more lively to work with. He is very responsive and has fair prices. I highly recommend him! We will be using Victor and his great crew for all future house projects. Thank you, Victor!!"

Christine M on June 2025


Avatar for Schoerlin Construction

Schoerlin Construction

8 Foster Avenue
4.81(
8
)
Approved Pro

Schoerlin Construction

8 Foster Avenue
4.81(
8
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 years of experience

Schoerlin Construction specializes in fine carpentry, interior and exterior trim,gates,decks,pergolas. Window and door installation. With 27 years of experience throughout long island. A very personal one man crew who takes pride in all aspects of carpentry.

"Master craftsman. Wonderful communication, flexibility and desire for perfection."

Vi H on September 2020

Schoerlin Construction specializes in fine carpentry, interior and exterior trim,gates,decks,pergolas. Window and door installation. With 27 years of experience throughout long island. A very personal one man crew who takes pride in all aspects of carpentry.

"Master craftsman. Wonderful communication, flexibility and desire for perfection."

Vi H on September 2020


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
38 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


Avatar for Enterprise Global Group

Enterprise Global Group

PO Box 2746
4.97(
19
)
Approved Pro

Enterprise Global Group

PO Box 2746
4.97(
19
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
9 years of experience

With over 20 years experience in the construction industry, Gomez Multi-Service is your industry expert in Suffolk county. We pride ourselves on our extreme professionalism, quality of work, and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today we look forward to working with you!

"Gabriel was a real professional. I appreciated his work ethic and his prompt and reasonable quote. He said job would take 2 days and finished it on time. The photos do not show the grime that had accumulated on my fences over 2 years. These are "after" photos . My husband and I are very pleased with his work and are expecting another quote from him for another project!"

Vivianne K on May 2025

With over 20 years experience in the construction industry, Gomez Multi-Service is your industry expert in Suffolk county. We pride ourselves on our extreme professionalism, quality of work, and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today we look forward to working with you!

"Gabriel was a real professional. I appreciated his work ethic and his prompt and reasonable quote. He said job would take 2 days and finished it on time. The photos do not show the grime that had accumulated on my fences over 2 years. These are "after" photos . My husband and I are very pleased with his work and are expecting another quote from him for another project!"

Vivianne K on May 2025


Mendez Home Improvement Inc

24 Middle Hwy
5.00(
2
)
Approved Pro

Mendez Home Improvement Inc

24 Middle Hwy
5.00(
2
)
Approved Pro
13 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!

"Sergio is amazing. He shows up ready to work and doesn’t stop until the job is done perfectly. He’s helped me with several projects, and every time I’m blown away by his professionalism and attention to detail. I can’t recommend him enough."

Sarah S on May 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!

"Sergio is amazing. He shows up ready to work and doesn’t stop until the job is done perfectly. He’s helped me with several projects, and every time I’m blown away by his professionalism and attention to detail. I can’t recommend him enough."

Sarah S on May 2025


Avatar for Agate & Co. Builders

Agate & Co. Builders

PO Box 1254
4.96(
13
)
Approved Pro

Agate & Co. Builders

PO Box 1254
4.96(
13
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
16 local quotes requested

If you are looking for an experienced, reliable, and honest contractor to help you with your next construction project then consider Agate & Co. Builders. As a father and son team we have performed a variety of construction projects in the New York Tri-State area including; kitchens, baths, decks, windows, doors, flooring, trim, siding, tile, additions, and finished basements. At Agate & Co. Builders we have more than 35 years of construction experience working for us. We pride ourselves on our long history of outstanding craftsmanship and customer service, which is unparalleled in the industry. We remain a small construction company that performs most of the work ourselves using a few, hand-selected and highly qualified sub-contractors when needed. This consistently allows our high standards to be applied and is demonstrated in the quality of our work. We truly love what we do and look forward to helping you make the home of your dreams.

"Jim and his crew went over and above our expectations. They did a beautiful job on our new deck. When completed, they cleaned up and carted away all scraps. A truly professional job by all."

William B on May 2024

If you are looking for an experienced, reliable, and honest contractor to help you with your next construction project then consider Agate & Co. Builders. As a father and son team we have performed a variety of construction projects in the New York Tri-State area including; kitchens, baths, decks, windows, doors, flooring, trim, siding, tile, additions, and finished basements. At Agate & Co. Builders we have more than 35 years of construction experience working for us. We pride ourselves on our long history of outstanding craftsmanship and customer service, which is unparalleled in the industry. We remain a small construction company that performs most of the work ourselves using a few, hand-selected and highly qualified sub-contractors when needed. This consistently allows our high standards to be applied and is demonstrated in the quality of our work. We truly love what we do and look forward to helping you make the home of your dreams.

"Jim and his crew went over and above our expectations. They did a beautiful job on our new deck. When completed, they cleaned up and carted away all scraps. A truly professional job by all."

William B on May 2024


Chris Perry

75 Division Street
4.17(
6
)
Approved Pro

Chris Perry

75 Division Street
4.17(
6
)
Approved Pro
Customers say: Terrific value
8 years of experience
Free onsite estimate

When it comes to custom carpentry work on Long Island, there is no name more trusted than Chris Perry. The company is renowned throughout the region for their high quality work, competitive pricing, and deep commitment to customer service. Their specialties include cabinet and interior trim installation, as well as custom furniture work. Perry deals with each client personally, and has experience working on both residential and light commercial projects.

"Unprofessional. He took the money and went away. He did not do the job."

Richie D on February 2024

When it comes to custom carpentry work on Long Island, there is no name more trusted than Chris Perry. The company is renowned throughout the region for their high quality work, competitive pricing, and deep commitment to customer service. Their specialties include cabinet and interior trim installation, as well as custom furniture work. Perry deals with each client personally, and has experience working on both residential and light commercial projects.

"Unprofessional. He took the money and went away. He did not do the job."

Richie D on February 2024

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FAQs for doors (exterior) installation and replacement projects in Sag Harbor, NY

Modern steel doors incorporate protective coatings and finishes that significantly reduce rust potential. These treatments create effective moisture barriers when properly maintained. Small scratches or damage should be promptly addressed with touch-up paint to prevent moisture from reaching the underlying metal. 

Doors in coastal or high-humidity environments benefit from additional protective measures and more frequent inspection. With proper care, most steel doors resist corrosion for decades.

Steel doors provide superior resistance against forced entry attempts compared to fiberglass alternatives. The inherent strength of steel creates a formidable barrier that resists impacts and tampering more effectively than composite materials. 

While high-quality fiberglass doors offer reasonable security, steel provides an exceptional strength-to-weight ratio and structural integrity. For maximum protection, look for steel doors with reinforced strike plates and multi-point locking systems.

Most manufacturers provide warranties covering manufacturing defects for periods ranging from five to 15 years, depending on the product line and quality tier. Hardware components often carry separate warranty coverage, often for shorter durations. Installation services may include workmanship guarantees covering proper fitting and operation. Always review warranty documentation carefully to understand coverage limitations and maintenance requirements that might affect warranty validity.

Provided your existing wood frame remains structurally sound and properly aligned, professional installers can often adapt a steel door to fit. The process requires careful measurement and potentially minor modifications to accommodate the new door's specifications. The frame must provide adequate support for the heavier steel door construction. A qualified installer will evaluate your current frame's condition and recommend appropriate adjustments to ensure proper function and security.

The Sag Harbor, NY homeowners’ guide to doors (exterior) installations and replacements

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