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Find Addition to existing structure builders in Wilmington

Avatar for H&Y Contracting LLC

H&Y Contracting LLC

300 Delaware Ave Suite 210
4.90(
15
)
•Approved Pro

H&Y Contracting LLC

300 Delaware Ave Suite 210
4.90(
15
)
•Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
3 years of experience

H&Y Contracting LLC take great pride in our experience, expertise, quality and customer service that we provide to meet your 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 a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"We recently worked with H&Y LLC for an addition they built on the back of our home. Yokayra and Heber are definitely a power couple! From their expertise and professionalism to their workmanship and quality products, everything is always 100%. The crew is exceptional, and everyone works very well together. They also renovated our kitchen in the main house and it's absolutely gorgeous! Their customer service is superb. They are always available to answer any questions, address any concerns, and work with you and your budget to execute your vision. We are very pleased with their work and will definitely be using them for future projects. If you need quality work, seriously just give them a call. I promise you will not be disappointed! Thank you all so much!! "

Vanessa F on September 2025

H&Y Contracting LLC take great pride in our experience, expertise, quality and customer service that we provide to meet your 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 a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"We recently worked with H&Y LLC for an addition they built on the back of our home. Yokayra and Heber are definitely a power couple! From their expertise and professionalism to their workmanship and quality products, everything is always 100%. The crew is exceptional, and everyone works very well together. They also renovated our kitchen in the main house and it's absolutely gorgeous! Their customer service is superb. They are always available to answer any questions, address any concerns, and work with you and your budget to execute your vision. We are very pleased with their work and will definitely be using them for future projects. If you need quality work, seriously just give them a call. I promise you will not be disappointed! Thank you all so much!! "

Vanessa F on September 2025

Avatar for Mule Construction LLC

Mule Construction LLC

505 Prospect Avenue
5.00(
5
)
•Approved Pro

Mule Construction LLC

505 Prospect Avenue
5.00(
5
)
•Approved Pro
1 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. Our top priority is customer satisfaction and will go the extra mile. We are experts in our trade and will work with you from conception to completion. We strive in making all clients, repeat clients. Call us today you’ll be relieved you did. Thank you

"Very professional, beautiful work and such a pleasure to deal with. Thank you so much for a job well done!"

Larry S on August 2025

We pride our company on reliability, great communication, integrity, and quality work. Our top priority is customer satisfaction and will go the extra mile. We are experts in our trade and will work with you from conception to completion. We strive in making all clients, repeat clients. Call us today you’ll be relieved you did. Thank you

"Very professional, beautiful work and such a pleasure to deal with. Thank you so much for a job well done!"

Larry S on August 2025

Avatar for RF Home Remodeling LLC

RF Home Remodeling LLC

Located In:
5.00(
10
)
•Approved Pro

RF Home Remodeling LLC

Located In:
5.00(
10
)
•Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
35 local quotes requested

Transform your kitchen and bathroom with RF Home Remodeling LLC. Our expert team in Philadelphia specializes in remodeling projects, bringing your vision to life. With our attention to detail and commitment to quality, we'll create a space that exceeds your expectations. Contact us today to start your home transformation journey.

"Nice work at a fair price. I would use them again and recommend to others."

Chris O on October 2024

Transform your kitchen and bathroom with RF Home Remodeling LLC. Our expert team in Philadelphia specializes in remodeling projects, bringing your vision to life. With our attention to detail and commitment to quality, we'll create a space that exceeds your expectations. Contact us today to start your home transformation journey.

"Nice work at a fair price. I would use them again and recommend to others."

Chris O on October 2024

Avatar for G D Rhoads Co

G D Rhoads Co

156 Bridle Path Ln
4.70(
20
)
•Approved Pro

G D Rhoads Co

156 Bridle Path Ln
4.70(
20
)
•Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
188 local quotes requested

Full service remodeling and renovation contractor specializing in custom kitchens and bathrooms, finished basements and much more. Williamson Trade School graduate

"Team did a great job from setting up keeping the area clean. They did quality work. We’re very happy with everything."

Don R on April 2023

Full service remodeling and renovation contractor specializing in custom kitchens and bathrooms, finished basements and much more. Williamson Trade School graduate

"Team did a great job from setting up keeping the area clean. They did quality work. We’re very happy with everything."

Don R on April 2023

Avatar for Quality 1st Basement Systems, Inc

Quality 1st Basement Systems, Inc

2092 E Old Philadelphia Rd
4.62(
201
)
•Approved Pro

Quality 1st Basement Systems, Inc

2092 E Old Philadelphia Rd
4.62(
201
)
•Approved Pro
Customers say: Quality work
462 local quotes requested
27 years of experience

Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT q1estimates@q1team.com

"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."

john m on January 2024

Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT q1estimates@q1team.com

"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."

john m on January 2024

Avatar for R.A BARKER

R.A BARKER

313 S Walnut St
4.67(
12
)
•Approved Pro

R.A BARKER

313 S Walnut St
4.67(
12
)
•Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
66 local quotes requested

R a Barker general contractor home remodeling. We offer everything from the ground up foundations, concrete, framing, siding, roofing, windows all interior work drywall, painting, trim, full kitchens, bathrooms additions to small handyman services. We want to provide quality services at a fair prices we sell products and services that home owners want or need nothing they dont. We have been servicing the area for more then 18 years owner operated small business

"It was completed on time and beautifully"

Danielle L on February 2023

R a Barker general contractor home remodeling. We offer everything from the ground up foundations, concrete, framing, siding, roofing, windows all interior work drywall, painting, trim, full kitchens, bathrooms additions to small handyman services. We want to provide quality services at a fair prices we sell products and services that home owners want or need nothing they dont. We have been servicing the area for more then 18 years owner operated small business

"It was completed on time and beautifully"

Danielle L on February 2023

Avatar for Apex Home Remodeling

Apex Home Remodeling

5.00(
1
)
•Approved Pro

Apex Home Remodeling

5.00(
1
)
•Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
547 local quotes requested

Hi! We are Apex Home Remodeling! We are a full-service contractor specializing in Kitchens, Bathrooms, Additions, Basements, Decks & Fences, Doors & Windows, AND much more! Refresh Your Home & Refresh Your Mind With Apex!

"Great work, highly recommended!! Apex renovated all of the bathrooms in our home down to the studs and completely redid them for us, one of which included moving a wall and layout change to expand. From beginning to end, Mike and his team were a pleasure to work with. We received detailed cost estimates that were accurate and competitive with other contractors we spoke to. The level of protection that was installed was top notch. We did not have any dust in areas outside of the work area and Mike and his team were always careful to clean and keep the protection clean which was fantastic. The quality of the work was excellent, I couldn’t find a single issue when work was complete. Mike did a great job communicating with us on decisions we had to make and the schedule for the work throughout the project. We love the result of our bathrooms and had a great experience working with Apex!"

Jennifer B on June 2024

Hi! We are Apex Home Remodeling! We are a full-service contractor specializing in Kitchens, Bathrooms, Additions, Basements, Decks & Fences, Doors & Windows, AND much more! Refresh Your Home & Refresh Your Mind With Apex!

"Great work, highly recommended!! Apex renovated all of the bathrooms in our home down to the studs and completely redid them for us, one of which included moving a wall and layout change to expand. From beginning to end, Mike and his team were a pleasure to work with. We received detailed cost estimates that were accurate and competitive with other contractors we spoke to. The level of protection that was installed was top notch. We did not have any dust in areas outside of the work area and Mike and his team were always careful to clean and keep the protection clean which was fantastic. The quality of the work was excellent, I couldn’t find a single issue when work was complete. Mike did a great job communicating with us on decisions we had to make and the schedule for the work throughout the project. We love the result of our bathrooms and had a great experience working with Apex!"

Jennifer B on June 2024

Tile Pros Home Improvements LLC

1704 School Ln
5.00(
50
)
•Approved Pro

Tile Pros Home Improvements LLC

1704 School Ln
5.00(
50
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
430 local quotes requested

Thank you for visiting Tile Pro S. We are more than happy to answer any questions you may have. Let us tell you a little about ourselves. Our priority and what we strive for is to give you the best service, professionally, respectfully, being punctual and clean. We would like to be able to service your home in a variety of areas and continue to build long lasting business relationships in which you would feel confident to refer a friend or family. We have over 15 years of experience and our goal is always to have a happy customer! Thank you!

"They did a good job removing the existing tile and installing the new hexagon shaped tiles in the foyer. I would use them again for other projects."

Kalloyan S on July 2025

Thank you for visiting Tile Pro S. We are more than happy to answer any questions you may have. Let us tell you a little about ourselves. Our priority and what we strive for is to give you the best service, professionally, respectfully, being punctual and clean. We would like to be able to service your home in a variety of areas and continue to build long lasting business relationships in which you would feel confident to refer a friend or family. We have over 15 years of experience and our goal is always to have a happy customer! Thank you!

"They did a good job removing the existing tile and installing the new hexagon shaped tiles in the foyer. I would use them again for other projects."

Kalloyan S on July 2025

Avatar for Arden Construction Inc.

Arden Construction Inc.

2204 Loreley Ln.
5.00(
1
)
•Approved Pro

Arden Construction Inc.

2204 Loreley Ln.
5.00(
1
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
53 years of experience

Arden Construction is a veteran owned & operated company that values honesty and integrity and treats your home as if it were our own. We are certified timber techs and we specialize in additions, remodels and custom decks. We also offer a wide range of expertise for a variety of projects. At Arden Construction, Inc., 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!

"Garage expansion & rear deck rebuilt"

Marie C on November 2024

Arden Construction is a veteran owned & operated company that values honesty and integrity and treats your home as if it were our own. We are certified timber techs and we specialize in additions, remodels and custom decks. We also offer a wide range of expertise for a variety of projects. At Arden Construction, Inc., 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!

"Garage expansion & rear deck rebuilt"

Marie C on November 2024

First State Bath

Unknown
4.74(
19
)
•Approved Pro

First State Bath

Unknown
4.74(
19
)
•Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
316 local quotes requested

We are proud to offer the same quality and craftsmanship as many of the larger bathroom remodeling companies at a lower price and without sacrificing customer satisfaction. First State Bath is owned and operated by Mike Tate and Joe Augustine, who together have over twenty-eight years of bathroom remodeling experience, with over 3,000 bathroom renovations sold and completed

"I hired First State Bath for converting a bath tub to a walk-in shower. I feel so thankful to them from introduction through job completing. They listened carfully to my requests and proposed a small suggestion, but it turned out very special to my need. It was choice of 54" long instead of 60". It adds space for easy moving in the bathroom. It might have no impact to most people, but is very helpful and special in my situation. The project is worked out very well with on time, clean and high quality. They did great job at very reasonable cost."

Meng J on February 2025

We are proud to offer the same quality and craftsmanship as many of the larger bathroom remodeling companies at a lower price and without sacrificing customer satisfaction. First State Bath is owned and operated by Mike Tate and Joe Augustine, who together have over twenty-eight years of bathroom remodeling experience, with over 3,000 bathroom renovations sold and completed

"I hired First State Bath for converting a bath tub to a walk-in shower. I feel so thankful to them from introduction through job completing. They listened carfully to my requests and proposed a small suggestion, but it turned out very special to my need. It was choice of 54" long instead of 60". It adds space for easy moving in the bathroom. It might have no impact to most people, but is very helpful and special in my situation. The project is worked out very well with on time, clean and high quality. They did great job at very reasonable cost."

Meng J on February 2025

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FAQs for addition to existing structure building service projects in Wilmington, DE

Yes, hidden rooms are legal, as long as they meet all local building regulations. If you sell your house, most states require homeowners to disclose full houseplans, which would include any hidden rooms.

If your secret room is a safe room, it should contain a means of communication aside from a cell phone, such as a shortwave radio. You should also have plenty of drinking water, a portable generator, emergency food supplies, blankets, pillows, flashlights, batteries and a first aid kit.

Any time you update your home’s square footage, you increase its value, but a secret room is a niche feature that doesn't rank high on every buyer’s list of must-haves. Investing your money in remodeling more common living areas like bedrooms, bathrooms, or kitchens will have a higher ROI than adding a secret room. Many secret rooms can act as entertainment spaces (think a game room or wine cellar) or quiet spaces (a library or study), so when building your secret room you may want to consider its versatility for when you’re ready to sell.

The Wilmington, DE homeowners’ guide to addition to existing structure building services

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

See all articles
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