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Find Doors (interior) installers and replacers in Central Islip

Avatar for Carlos Home Improvement

Carlos Home Improvement

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Carlos Home Improvement

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
16 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.


Avatar for Mason Carpentry

Mason Carpentry

4.97(
67
)
Approved Pro

Mason Carpentry

4.97(
67
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
35 years of experience

Mason Carpentry, proudly serves it's customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

"We met with a few contractors to assess the deck project for my elderly mother but knew immediately Bill Mason would be our choice. We were looking for not only an expert but someone who was genuine and would take pride in his work. His expertise and his ability to engage with my mother to ensure her confidence in the work was superior. I would highly recommend Mason Carpentry."

Kerrie B on November 2025

Mason Carpentry, proudly serves it's customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

"We met with a few contractors to assess the deck project for my elderly mother but knew immediately Bill Mason would be our choice. We were looking for not only an expert but someone who was genuine and would take pride in his work. His expertise and his ability to engage with my mother to ensure her confidence in the work was superior. I would highly recommend Mason Carpentry."

Kerrie B on November 2025


Lein Carpentry And Handywork

5.00(
3
)
Approved Pro

Lein Carpentry And Handywork

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

At Lein Carpentry And Handywork we pride ourselves on being the best Home Improvement company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

"He was polite, courteous and very punctual! The price was right!"

Eric . on August 2022

At Lein Carpentry And Handywork we pride ourselves on being the best Home Improvement company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

"He was polite, courteous and very punctual! The price was right!"

Eric . on August 2022


Avatar for General Construction & Preservation, Inc.

General Construction & Preservation, Inc.

5.00(
2
)
Approved Pro

General Construction & Preservation, Inc.

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

General Construction & Preservation, Inc., is a premiere full service general contractor that operates out of Brentwood, NY. We work closely with Architects and Engineers to create a one of a kind finished product. We pride ourselves on high quality work and precise attention to details. Call today!

"he's great with customers: listens and delivers to the best of their abilities."

Regine L on January 2019

General Construction & Preservation, Inc., is a premiere full service general contractor that operates out of Brentwood, NY. We work closely with Architects and Engineers to create a one of a kind finished product. We pride ourselves on high quality work and precise attention to details. Call today!

"he's great with customers: listens and delivers to the best of their abilities."

Regine L on January 2019


Avatar for Espinoza's Home Improvement

Espinoza's Home Improvement

5.00(
20
)
Approved Pro

Espinoza's Home Improvement

5.00(
20
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

Make Esp Home Improvement, your go to company for all of your home improvement needs. We specialize in roofing and siding repair and can also provide additional services in carpentry work, doors, windows and handyman work. We are always prompt, courteous and professional. We have the experience and expertise to get your project done right the first time. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"Carlos did an excellent professional job at a fair price, was timely, cleaned up after finishing. I strongly recommend him"

Stuart P on September 2024

Make Esp Home Improvement, your go to company for all of your home improvement needs. We specialize in roofing and siding repair and can also provide additional services in carpentry work, doors, windows and handyman work. We are always prompt, courteous and professional. We have the experience and expertise to get your project done right the first time. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"Carlos did an excellent professional job at a fair price, was timely, cleaned up after finishing. I strongly recommend him"

Stuart P on September 2024


DH COASTAL CONSTRUCTION CORP

5.00(
2
)
Approved Pro

DH COASTAL CONSTRUCTION CORP

5.00(
2
)
Approved Pro
1 years of experience
Free onsite estimate

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"I needed some doors trimmed and adjusted due to new carpet being installed. These guys were fast, efficient and did a great job!"

Don H on December 2025

We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!

"I needed some doors trimmed and adjusted due to new carpet being installed. These guys were fast, efficient and did a great job!"

Don H on December 2025


Avatar for Sanchez Home Remodeling

Sanchez Home Remodeling

5.00(
3
)
Approved Pro

Sanchez Home Remodeling

5.00(
3
)
Approved Pro
1 years of experience
Free onsite estimate

Sanchez Home Remodeling 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.

"Did an absolutely great job! The bathroom was professionally and detailed very well! They completed the work in a very timely matter. I would recommend them to anyone?"

Ciro P on November 2025

Sanchez Home Remodeling 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.

"Did an absolutely great job! The bathroom was professionally and detailed very well! They completed the work in a very timely matter. I would recommend them to anyone?"

Ciro P on November 2025


Avatar for Soupios Construction, Inc.

Soupios Construction, Inc.

5.00(
1
)
Approved Pro

Soupios Construction, Inc.

5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 years of experience

Soupios Construction, Inc., is a client focused company serving the greater Fort Salonga community. We're dedicated to providing top quality craftsmanship, professionalism, and customer service on every project. Call today to see what expertise can do for the overall value of your project.

"His work is fantastic, been here 10 years, Pete and his crew have redone everything in our house and he is now doing an addition for us. Gorgeous porch and gazebo in front, have had people driving by stop and ask about it. Always on time, he calls and updates us on work. Inspectors all say the work is quality and you don't see that too often anymore. Work is done within budget and on time. Polite, professional, a lot of respect for him."

Joe and Cindy P on September 2011

Soupios Construction, Inc., is a client focused company serving the greater Fort Salonga community. We're dedicated to providing top quality craftsmanship, professionalism, and customer service on every project. Call today to see what expertise can do for the overall value of your project.

"His work is fantastic, been here 10 years, Pete and his crew have redone everything in our house and he is now doing an addition for us. Gorgeous porch and gazebo in front, have had people driving by stop and ask about it. Always on time, he calls and updates us on work. Inspectors all say the work is quality and you don't see that too often anymore. Work is done within budget and on time. Polite, professional, a lot of respect for him."

Joe and Cindy P on September 2011


Avatar for Cocos Custom Building LLC

Cocos Custom Building LLC

4.75(
8
)
Approved Pro

Cocos Custom Building LLC

4.75(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
237 local quotes requested

Coco’s Custom Building LLC specializes in setting and finishing Modular Homes, fabricating and installing structural steel, and all phases of residential and commercial construction. This includes extensions, dormers, basements, siding, exterior trim and roofing. We have 25 years of experience. We take pride in giving our customers a professional quality finish on all of our projects for a reasonable price. We work extremely hard to ensure that our customers hard earned money doesn’t go to waste.

"Excellent. On time and on budget"

Brian D on January 2025

Coco’s Custom Building LLC specializes in setting and finishing Modular Homes, fabricating and installing structural steel, and all phases of residential and commercial construction. This includes extensions, dormers, basements, siding, exterior trim and roofing. We have 25 years of experience. We take pride in giving our customers a professional quality finish on all of our projects for a reasonable price. We work extremely hard to ensure that our customers hard earned money doesn’t go to waste.

"Excellent. On time and on budget"

Brian D on January 2025


Avatar for The Door Guy of LI LLC

The Door Guy of LI LLC

5.00(
20
)
Approved Pro

The Door Guy of LI LLC

5.00(
20
)
Approved Pro
Super Service Award
Customers say: Quick response
36 local quotes requested
5 years of experience

At the Door Guy, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

"Had the pleasure of having Sal install and replace 3 exterior doors and 2 storm doors. Very detailed, skilled, knowledgeable and professional with his craft. Will continue to use his service and recommend to others. "

Aundre K on December 2025

At the Door Guy, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

"Had the pleasure of having Sal install and replace 3 exterior doors and 2 storm doors. Very detailed, skilled, knowledgeable and professional with his craft. Will continue to use his service and recommend to others. "

Aundre K on December 2025

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FAQs for doors (interior) installation and replacement projects in Central Islip, NY

If your existing frame is in good shape, you can replace an interior door without changing the frame. This is a budget-friendly option because it saves on the cost of removing and installing a new frame. By choosing a slab door that fits your current frame, you'll save on labor and materials. Just make sure the new door matches the old one's dimensions for a smooth replacement.

Standard interior doors are 80 inches tall and range from 28 to 32 inches wide. Interior doors vary from 24 to 36 inches wide, depending on their purpose and the available space. Building codes require interior doors to be at least 80 inches tall and 24 inches wide. Knowing standard sizes helps you select a new door that fits properly in your existing opening.

It costs $600 to $2,000 or more to move an inside door. The total price depends on your location, the type of door, and materials needed to complete the project. Moving an interior door requires walling up the leftover space and opening up a new wall where you want the door to go instead. You’ll also want to plan for the expense of framing the new wall opening and adding trim.

Exterior door installation costs an average of $1,175, with a typical range of $525 to $1,800. The higher expense compared to the cost of interior doors comes from the need for exterior doors to be weather-proofed and they are often made of thicker, more durable materials. The associated exterior hardware must also be able to withstand harsh weather, so these cost more as well.

It costs between $300 to $2,500 to make a doorway wider on average. However, the wider you need the space to be, the more it will cost. Some homeowners choose to widen interior doorways to make the house more wheelchair accessible. In order to be wheelchair accessible, an interior door needs to be at least 32 to 36 inches wide. Also, some older homes just have narrow doorways due to the nature of how homes were built differently many decades ago.

It takes between two to five hours for a professional door installer to install an interior door, depending on complexity and materials. A pre-hung door typically takes around two hours, and larger doors like double French doors can take up to five hours. If you’re doing the project yourself, expect it to take a little longer than that, especially if you have little to no experience completing this type of project. Keep in mind that a pre-hung door can be installed about an hour or two faster than a slab door.

The Central Islip, NY homeowners’ guide to doors (interior) installations and replacements

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