Top-rated basement remodelers.

Get matched with top basement remodelers in Port Washington, NY

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Basement remodelers in Port Washington

Avatar for Danny Construction

Danny Construction

4.92(
12
)
•Approved Pro

Danny Construction

4.92(
12
)
•Approved Pro
Customers say: Quick response
5 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
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
18 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

PJP Custom Homes & Remodeling

4.52(
24
)
•Approved Pro

PJP Custom Homes & Remodeling

4.52(
24
)
•Approved Pro
Customers say: Quality work
44 years of experience
Free onsite estimate

PJP Custom Homes & Remodeling is a carpenter and remodeling contracting company that has been serving Brooklyn and the surrounding boroughs since 2000. We specialize in home improvement, and we can offer any number of services, from structural to cosmetic, to Trex decking?one call does it all! Every job we take and every family we work for is important to us. We pride ourselves in provide quality craftsmanship when it comes to remodeling, carpentry, and building homes. We focus on every detail, specification, and concern that you have, starting with the proposal and design stages and ending with the completion of construction. Our reputation in Brooklyn and the surrounding areas is built on our dedication to quality work, and our ability to complete every job in a clear and timely manner while guaranteeing your complete satisfaction. We will personally supervise your residential or commercial remodeling project. Decks must be at least 200 Sqft or Bigger

"Peter really was the key to getting my deck in shape. Many boards were rotted or splintered and I wanted to replace just those. He convinced me that the results would not be good if over half the boards were different. I replaced the entire deck. PJP's price was competetive. The workmen were highly qualified and dedicated and did a clean and efficient job. Especially nice job on a new set of stairs from the deck to a patio. Highly satisfied and easy to work with all around."

David P. R on July 2025

PJP Custom Homes & Remodeling is a carpenter and remodeling contracting company that has been serving Brooklyn and the surrounding boroughs since 2000. We specialize in home improvement, and we can offer any number of services, from structural to cosmetic, to Trex decking?one call does it all! Every job we take and every family we work for is important to us. We pride ourselves in provide quality craftsmanship when it comes to remodeling, carpentry, and building homes. We focus on every detail, specification, and concern that you have, starting with the proposal and design stages and ending with the completion of construction. Our reputation in Brooklyn and the surrounding areas is built on our dedication to quality work, and our ability to complete every job in a clear and timely manner while guaranteeing your complete satisfaction. We will personally supervise your residential or commercial remodeling project. Decks must be at least 200 Sqft or Bigger

"Peter really was the key to getting my deck in shape. Many boards were rotted or splintered and I wanted to replace just those. He convinced me that the results would not be good if over half the boards were different. I replaced the entire deck. PJP's price was competetive. The workmen were highly qualified and dedicated and did a clean and efficient job. Especially nice job on a new set of stairs from the deck to a patio. Highly satisfied and easy to work with all around."

David P. R on July 2025

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

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

MC Squared Renovations

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

MC Squared Renovations

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
9 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 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

Avatar for P Bright Construction

P Bright Construction

5.00(
17
)
•Approved Pro

P Bright Construction

5.00(
17
)
•Approved Pro
Customers say: Quick response
8 years of experience
Free onsite estimate

P Bright Construction Corp is committed to excellence 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 our 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.

"I wholeheartedly recommend P Bright Construction Corp. We?ve used them to address flood damage, repair and replace the front door our coop and update closets in our own unit. Their flexibility was remarkable. That?s probably what I appreciate most. No build plan is perfect, there will always be a few unforeseen problems. Ezequiel and his crew handled all the unforeseen issues gracefully and recommended great suggestions to deal with these problems. This adaptability demonstrated their commitment to ensuring the final result met my needs, even as those needs evolved. They paid great attention to detail. They understood what you cared about and this shows up in the recommendations they make and the quality of their work. Their estimates are very fair and they completed their work on time and on budget. I highly recommend P Bright Construction Corp. Their flexibility, attention to detail, punctuality & reasonable pricing make them an excellent choice for your next reno project."

Mel L on June 2025

P Bright Construction Corp is committed to excellence 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 our 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.

"I wholeheartedly recommend P Bright Construction Corp. We?ve used them to address flood damage, repair and replace the front door our coop and update closets in our own unit. Their flexibility was remarkable. That?s probably what I appreciate most. No build plan is perfect, there will always be a few unforeseen problems. Ezequiel and his crew handled all the unforeseen issues gracefully and recommended great suggestions to deal with these problems. This adaptability demonstrated their commitment to ensuring the final result met my needs, even as those needs evolved. They paid great attention to detail. They understood what you cared about and this shows up in the recommendations they make and the quality of their work. Their estimates are very fair and they completed their work on time and on budget. I highly recommend P Bright Construction Corp. Their flexibility, attention to detail, punctuality & reasonable pricing make them an excellent choice for your next reno project."

Mel L on June 2025

...
Showing 1-10 of 1066
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