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Find Basement remodelers in Port Washington

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

Diverse Repairs, Inc.

4.67(
3
)
•Approved Pro

Diverse Repairs, Inc.

4.67(
3
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 years of experience

Diverse Repairs, is your number one remodeling/building source in Nassau County. Whether doing a basement or a bathroom, we take the utmost pride in the work we do, as customer satisfaction is our number one priority. We look forward to working with you.

"Highly professional, beautiful workmanship, always on time, a pleasure to work with and the cost of the renovation was reasonable. The basement looks fantastic!! Would highly recommend Edward and his team!!!"

Joanna T on July 2018

Diverse Repairs, is your number one remodeling/building source in Nassau County. Whether doing a basement or a bathroom, we take the utmost pride in the work we do, as customer satisfaction is our number one priority. We look forward to working with you.

"Highly professional, beautiful workmanship, always on time, a pleasure to work with and the cost of the renovation was reasonable. The basement looks fantastic!! Would highly recommend Edward and his team!!!"

Joanna T on July 2018

Atlantic Shore Builders & Developers

5.00(
3
)
•Approved Pro

Atlantic Shore Builders & Developers

5.00(
3
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 local quotes requested

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. We are watchful of our customer's interests and make their concerns the basis of our business. Give us a call for a quote today!

"Friendly, low price, and best of all the painter, Francisco, is a REAL professional who’s not about doing a slipshod job and leaving. He took as many days as he needed at a flat rate and ensured the job was top quality."

Alexander M on October 2021

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. We are watchful of our customer's interests and make their concerns the basis of our business. Give us a call for a quote today!

"Friendly, low price, and best of all the painter, Francisco, is a REAL professional who’s not about doing a slipshod job and leaving. He took as many days as he needed at a flat rate and ensured the job was top quality."

Alexander M on October 2021

Avatar for Vortec Renovations

Vortec Renovations

4.65(
36
)
•Approved Pro

Vortec Renovations

4.65(
36
)
•Approved Pro
Customers say: Quality work
14 local quotes requested
17 years of experience

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers 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.

"Terry came to plaster and paint the inside of my window frame to prepare for a new shade to be installed. He did a beautiful job and was meticulous with his work. I will absolutely have him back for other projects."

Jennifer G on November 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers 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.

"Terry came to plaster and paint the inside of my window frame to prepare for a new shade to be installed. He did a beautiful job and was meticulous with his work. I will absolutely have him back for other projects."

Jennifer G on November 2025

Tek Home Improvements, Inc.

4.75(
53
)
•Approved Pro

Tek Home Improvements, Inc.

4.75(
53
)
•Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
12 years of experience

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.

"All I can say isâ ¦ AL!!!! Thatâ s all you need to know when it comes to Tek Home Improvement! Al is just amazing! So easy to work with, communicate with and he goes above and beyond to make sure he does good quality work at a fair price. He is reliable, on time, courteous and friendly. Al, worked with us every step of the way to make sure our vision came to life. He had fantastic ideas and recommendations and it was a true pleasure doing business with him. We have many more home improvement projects lined up and Al is our new go to guy! If you are tired of playing games with other contractors and paying insane prices for low quality work you need to give Al a call ASAP!!!!"

Philip W on July 2024

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.

"All I can say isâ ¦ AL!!!! Thatâ s all you need to know when it comes to Tek Home Improvement! Al is just amazing! So easy to work with, communicate with and he goes above and beyond to make sure he does good quality work at a fair price. He is reliable, on time, courteous and friendly. Al, worked with us every step of the way to make sure our vision came to life. He had fantastic ideas and recommendations and it was a true pleasure doing business with him. We have many more home improvement projects lined up and Al is our new go to guy! If you are tired of playing games with other contractors and paying insane prices for low quality work you need to give Al a call ASAP!!!!"

Philip W on July 2024

Avatar for Raza & Sons Construction, Inc.

Raza & Sons Construction, Inc.

5.00(
2
)
•Approved Pro

Raza & Sons Construction, Inc.

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

Platinum Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 6 years of experience serving Brooklyn, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

"Excellent, professional, reliable"

Shah N on June 2024

Platinum Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 6 years of experience serving Brooklyn, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

"Excellent, professional, reliable"

Shah N on June 2024

Avatar for L&A CONSTRUCTION

L&A CONSTRUCTION

5.00(
2
)
•Approved Pro

L&A CONSTRUCTION

5.00(
2
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 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. Call us today!

"The work was done very nite and profesional and the contractor was on time with the entire project and the final project turned out beutiful. And i willing to recomenden and hire him again"

Yadira C on August 2023

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. Call us today!

"The work was done very nite and profesional and the contractor was on time with the entire project and the final project turned out beutiful. And i willing to recomenden and hire him again"

Yadira C on August 2023

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
35 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

Alpha Construct

5.00(
2
)
•Approved Pro

Alpha Construct

5.00(
2
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
25 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 ess

"Very professional and easy to work with!"

Lamar P on July 2023

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 ess

"Very professional and easy to work with!"

Lamar P on July 2023

Creative Builders Construction

5.00(
3
)
•Approved Pro

Creative Builders Construction

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

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!

"Very knowledgeable, reliable and professional."

Susan M on November 2022

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!

"Very knowledgeable, reliable and professional."

Susan M on November 2022

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FAQs for basement remodeling projects in Port Washington, 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 Port Washington, NY homeowners’ guide to basement remodelings

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

See all articles