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Find Basement remodelers in Oyster Bay

Avatar for Danny Construction

Danny Construction

4.92(
12
)
•Approved Pro

Danny Construction

4.92(
12
)
•Approved Pro
Customers say: Quick response
6 years of experience
Free onsite estimate

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 and his team were very professional, on time, communicative, her;pful with suggestions, and overall did a great job replacing our exterior door and storm door. H e even has put in a mail slot in the exterior door for me , which came out beautifully. They are experts at what they do, and meticulous with attention to detail. I would recommend this company highly for anyone that needs doors and /or any construction projects done. Definitely a 5 star company. "

Ruth K on December 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 and his team were very professional, on time, communicative, her;pful with suggestions, and overall did a great job replacing our exterior door and storm door. H e even has put in a mail slot in the exterior door for me , which came out beautifully. They are experts at what they do, and meticulous with attention to detail. I would recommend this company highly for anyone that needs doors and /or any construction projects done. Definitely a 5 star company. "

Ruth K on December 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
18 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
15 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 Lcqualityimprovements

Lcqualityimprovements

4.89(
9
)
•Approved Pro

Lcqualityimprovements

4.89(
9
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other 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 and guarantee your satisfaction!

"Great work. Beautiful"

Bea S on October 2024

We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other 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 and guarantee your satisfaction!

"Great work. Beautiful"

Bea S on October 2024

Avatar for Craft Construction NY

Craft Construction NY

5.00(
4
)
•Approved Pro

Craft Construction NY

5.00(
4
)
•Approved Pro
2 years of experience
Free onsite estimate

Over 27 years of excellence in home building and renovations across Long Island, NY. Craft Construction NY specializes in all phases of home building and custom carpentry across Nassau and Suffolk County. From concept to completion, Craft Construction delivers quality craftsmanship in every project. Discover our commitment to excellence and what sets us apart.

"Great people, great job, on time and on budget!"

Steve R R on December 2025

Over 27 years of excellence in home building and renovations across Long Island, NY. Craft Construction NY specializes in all phases of home building and custom carpentry across Nassau and Suffolk County. From concept to completion, Craft Construction delivers quality craftsmanship in every project. Discover our commitment to excellence and what sets us apart.

"Great people, great job, on time and on budget!"

Steve R R on December 2025

Arny Construction, Inc

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Arny Construction, Inc

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

Arny Construction Inc. 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.

Arny Construction Inc. 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.

Avatar for Hampton Bay Construction - Babylon Bay Construction

Hampton Bay Construction - Babylon Bay Construction

4.98(
97
)
•Approved Pro

Hampton Bay Construction - Babylon Bay Construction

4.98(
97
)
•Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
24 local quotes requested

Owner owned & operated. Full service remodeling company specializing in medium to large projects. Serving Suffolk county and the Hamptons. High end building and remodeling firm. Expect excellent quality and customer service. Permit and Variance Specialists.

"Babylon Bay (AJ's team) did a great job, from Sam the project manager to Wilmer and Louis the tradesman who worked on my project. They are truly a professional organization. I would recommend Babylon Bay to my friends and neighbors."

Tony M on January 2026

Owner owned & operated. Full service remodeling company specializing in medium to large projects. Serving Suffolk county and the Hamptons. High end building and remodeling firm. Expect excellent quality and customer service. Permit and Variance Specialists.

"Babylon Bay (AJ's team) did a great job, from Sam the project manager to Wilmer and Louis the tradesman who worked on my project. They are truly a professional organization. I would recommend Babylon Bay to my friends and neighbors."

Tony M on January 2026

Avatar for Scully Contracting Corp.

Scully Contracting Corp.

4.50(
2
)
•Approved Pro

Scully Contracting Corp.

4.50(
2
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
37 years of experience

With over 35 years experience, Scully Contracting 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. Call us today! 631-473-1378

"I have had many experiences with Jonathan, and some of his jobs turned out better than others, but he does overall great quality work."

Karen M on October 2020

With over 35 years experience, Scully Contracting 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. Call us today! 631-473-1378

"I have had many experiences with Jonathan, and some of his jobs turned out better than others, but he does overall great quality work."

Karen M on October 2020

MC Squared Renovations

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

MC Squared Renovations

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

MC Squared Renovations 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.

MC Squared Renovations 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.

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

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FAQs for basement remodeling projects in Oyster Bay, 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 Oyster Bay, 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