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Find Basement remodelers in West Islip

Avatar for Danny Construction

Danny Construction

4.91(
11
)
Approved Pro

Danny Construction

4.91(
11
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
13 local quotes requested

We take great pride 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. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Danny ripped out my old 800+ sq ft porch/deck; rebuilt/and repaired rotted railing posts. I am very satisfied with the outcome. He is a diligent worker. Showed up when he said he would and completed my project when he said he would. He is very focused on detail and takes pride in his work. I would (and have already) recommend him to others. He was a pleasure to work with."

charlene S on June 2025

We take great pride 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. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Danny ripped out my old 800+ sq ft porch/deck; rebuilt/and repaired rotted railing posts. I am very satisfied with the outcome. He is a diligent worker. Showed up when he said he would and completed my project when he said he would. He is very focused on detail and takes pride in his work. I would (and have already) recommend him to others. He was a pleasure to work with."

charlene S on June 2025


Avatar for GPS NY Builders

GPS NY Builders

5.00(
3
)
Approved Pro

GPS NY Builders

5.00(
3
)
Approved Pro
Customers say: Quick response
19 local quotes requested
5 years of experience

We are available to take your old appliance as well as deliver your new one. We provide a professional service when you need it. We know that this is a competitive business so we bring together a balance between, price, service and availability that no other service can provide. We believe once you have experienced our service you will know that you have found a trusted professional to handle all of your appliance installation needs.

"Quick and easy. Got the job done with all the little nuances added along the way "

Karan K on October 2025

We are available to take your old appliance as well as deliver your new one. We provide a professional service when you need it. We know that this is a competitive business so we bring together a balance between, price, service and availability that no other service can provide. We believe once you have experienced our service you will know that you have found a trusted professional to handle all of your appliance installation needs.

"Quick and easy. Got the job done with all the little nuances added along the way "

Karan K on October 2025


Avatar for Exterior Team Home Services, Inc.

Exterior Team Home Services, Inc.

4.95(
22
)
Approved Pro

Exterior Team Home Services, Inc.

4.95(
22
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
9 years of experience

Exterior Team Home Services, Inc takes 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. Call Exterior Team Home Services, Inc today!

"Ronald and his Team did an excellent job for a very good price. Very professional. Pointed out some things that needed attention and then took care of it. The workmanship and customer service is better than any other craftman I have ever hired. I will keep Exterior Team Home Service number available to recommend to anyone that asks if "I know someone who...." I trust Exterior Team Home and will use them in the future."

Ed S on September 2023

Exterior Team Home Services, Inc takes 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. Call Exterior Team Home Services, Inc today!

"Ronald and his Team did an excellent job for a very good price. Very professional. Pointed out some things that needed attention and then took care of it. The workmanship and customer service is better than any other craftman I have ever hired. I will keep Exterior Team Home Service number available to recommend to anyone that asks if "I know someone who...." I trust Exterior Team Home and will use them in the future."

Ed S on September 2023


Kiwi Restorations, LLC

5.00(
2
)
Approved Pro

Kiwi Restorations, LLC

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


The OCD Painter

5.00(
3
)
Approved Pro

The OCD Painter

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

The OCD Painter is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have several years of hands on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Very professional and courteous. Pays attention to detail and does not rush the work. Great quality painting and service."

Alfonso G on July 2021

The OCD Painter is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have several years of hands on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Very professional and courteous. Pays attention to detail and does not rush the work. Great quality painting and service."

Alfonso G on July 2021


Coastal Carpentry Corp.

5.00(
1
)
Approved Pro

Coastal Carpentry Corp.

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

Coastal Carpentry Corp, 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.

"They were very easy to work with and I enjoyed their company."

Chad N on July 2021

Coastal Carpentry Corp, 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.

"They were very easy to work with and I enjoyed their company."

Chad N on July 2021


Avatar for Premier Builders & Construction

Premier Builders & Construction

5.00(
4
)
Approved Pro

Premier Builders & Construction

5.00(
4
)
Approved Pro
Customers say: Quick response
4 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.

"Premier Builders was trustworthy and a pleasure to work with. A+ job. Would recommend to anyone remodeling their home."

Mike V on October 2022

We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.

"Premier Builders was trustworthy and a pleasure to work with. A+ job. Would recommend to anyone remodeling their home."

Mike V on October 2022


"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 Art Construction

Art Construction

4.64(
33
)
Approved Pro

Art Construction

4.64(
33
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
12 local quotes requested

We are a locally owned and operated company with over 10 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customizable to each individual project. We specialize in handyman/carpentry work and a variety of related service and repair 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 with our clients and guarantee your satisfaction!

"Billi and his father did amazing job. We have our basement remodeled.after a disaster made by another incompetent contractor form thumbtack(Tyler Macy). Billi was very nice help us put everything together. Fix whatever mistakes done by previous guy.They were also reasonable on price & get the job done exactly on time.I recommend Art construction for quality, honest & reasonable cost.Thank you Billi."

saba b on July 2024

We are a locally owned and operated company with over 10 years of industry experience. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customizable to each individual project. We specialize in handyman/carpentry work and a variety of related service and repair 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 with our clients and guarantee your satisfaction!

"Billi and his father did amazing job. We have our basement remodeled.after a disaster made by another incompetent contractor form thumbtack(Tyler Macy). Billi was very nice help us put everything together. Fix whatever mistakes done by previous guy.They were also reasonable on price & get the job done exactly on time.I recommend Art construction for quality, honest & reasonable cost.Thank you Billi."

saba b on July 2024


Avatar for Stone's Construction Corporation

Stone's Construction Corporation

4.73(
73
)
Approved Pro

Stone's Construction Corporation

4.73(
73
)
Approved Pro
Super Service Award
Customers say: True professional
34 local quotes requested
39 years of experience

Stone's Construction Corporation brings an unmatched commitment to excellence to your home improvement project. We deliver unsurpassed professionalism and expertise. We are a family owned business, we have been established since 1986 and have an excellent record with consumer affairs. Call us today! License # H18C8210000

"From the moment I met Bill Stone I knew I would be happy with the results of my kitchen remodel. The crew were excellent- they answered all of my questions and took care to clean up when they were finished for the day. Dean Juan and Joe were so great to work with. I would recommend this company to anyone looking for home improvement projects. My kitchen is beautiful!!!"

Jennifer B on August 2025

Stone's Construction Corporation brings an unmatched commitment to excellence to your home improvement project. We deliver unsurpassed professionalism and expertise. We are a family owned business, we have been established since 1986 and have an excellent record with consumer affairs. Call us today! License # H18C8210000

"From the moment I met Bill Stone I knew I would be happy with the results of my kitchen remodel. The crew were excellent- they answered all of my questions and took care to clean up when they were finished for the day. Dean Juan and Joe were so great to work with. I would recommend this company to anyone looking for home improvement projects. My kitchen is beautiful!!!"

Jennifer B on August 2025

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FAQs for basement remodeling projects in West Islip, NY

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The West Islip, NY homeowners’ guide to basement remodelings

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