Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in your area

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.

Addition to existing structure builders in Mount Vernon

Avatar for Koser Bros Contracting
Koser Bros Contracting
2116 FM3042
5.00(
3
)
Approved Pro
Koser Bros Contracting
2116 FM3042
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
37 years of experience

Koser Bros. Contracting 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.

"Excellent workmanship!"

Marianne S on June 2021

Koser Bros. Contracting 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.

"Excellent workmanship!"

Marianne S on June 2021


Avatar for R.A.M. Roofing & Construction
R.A.M. Roofing & Construction
PO BOX 1392
5.00(
4
)
Approved Pro
R.A.M. Roofing & Construction
PO BOX 1392
5.00(
4
)
Approved Pro
Super Service Award
Customers say: Quality work
26 local quotes requested
1 years of experience

R.A.M. Roofing & Construction 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.

"Absolutely wonderful company. Great customer service, very professional. I would recommend this company to anyone."

Diana J on February 2025

R.A.M. Roofing & Construction 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.

"Absolutely wonderful company. Great customer service, very professional. I would recommend this company to anyone."

Diana J on February 2025


Avatar for JL Construction
JL Construction
5.00(
2
)
Approved Pro
JL Construction
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

Remodels, Painting, Drywall hanging and finish, Trim, Tile, Porches, Showers, Siding, Framing, Roofing. We are professionals, neat, clean and detailed. Customers always come first and their satisfaction is priority .

"It went great. I'm loving my new front door. I will definitely call them back for my back door."

Rebekah B on January 2025

Remodels, Painting, Drywall hanging and finish, Trim, Tile, Porches, Showers, Siding, Framing, Roofing. We are professionals, neat, clean and detailed. Customers always come first and their satisfaction is priority .

"It went great. I'm loving my new front door. I will definitely call them back for my back door."

Rebekah B on January 2025


Avatar for Quality Work By Ron
Quality Work By Ron
3511 CR 2310
5.00(
4
)
Approved Pro
Quality Work By Ron
3511 CR 2310
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
501 local quotes requested

I have been in the remodeling/construction for over 35 years and love what I do. Quality and reasonable prices is what we offer. We build new construction. Kitchen and Bathroom remodeling, concrete, roofing, floors and Sheetrock & painting is just a little what we do. We specialize in room & garage conversions. So, if you want Quality work with reasonable prices, give me a call.

"Ron and crew are experienced, straight forward and good to work with"

David T on February 2025

I have been in the remodeling/construction for over 35 years and love what I do. Quality and reasonable prices is what we offer. We build new construction. Kitchen and Bathroom remodeling, concrete, roofing, floors and Sheetrock & painting is just a little what we do. We specialize in room & garage conversions. So, if you want Quality work with reasonable prices, give me a call.

"Ron and crew are experienced, straight forward and good to work with"

David T on February 2025


B n S Construction
13097 LAUREN LN
3.46(
13
)
Approved Pro
B n S Construction
13097 LAUREN LN
3.46(
13
)
Approved Pro
439 local quotes requested
22 years of experience

**WE OFFER FINANCING** We specialize in home renovation and remodeling including additions. Our experience provides you with quality workmanship for your home project.

"We are nearly 1 year from when we contracted with Brian for our 30x24 back deck. The deck was partially finished June 2023, with half the deck getting 1 coat and the other half getting 2 coats. Needless to say it’s two different colors and not in a good way. There are several construction issues (gates sagging / boards popping / spindles too long / stairs not supported and sagging). We told Brian in October 2023 that we wanted a portion of the money back so we could hire someone to fix it. He came out, said he would get back to us that week. Nothing. 4 months later we messaged again and got no response. At this point, we are done and have held off with the review until now."

Stacy B on March 2024

**WE OFFER FINANCING** We specialize in home renovation and remodeling including additions. Our experience provides you with quality workmanship for your home project.

"We are nearly 1 year from when we contracted with Brian for our 30x24 back deck. The deck was partially finished June 2023, with half the deck getting 1 coat and the other half getting 2 coats. Needless to say it’s two different colors and not in a good way. There are several construction issues (gates sagging / boards popping / spindles too long / stairs not supported and sagging). We told Brian in October 2023 that we wanted a portion of the money back so we could hire someone to fix it. He came out, said he would get back to us that week. Nothing. 4 months later we messaged again and got no response. At this point, we are done and have held off with the review until now."

Stacy B on March 2024


Avatar for Project Innovators
Project Innovators
Based In
New on HomeAdvisorNew on Angi
Approved Pro
Project Innovators
Based In
New on AngiNew on HomeAdvisor
Approved Pro
180 local quotes requested
1 years of experience

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!


Avatar for 3 Brothers Remodeling
3 Brothers Remodeling
4159 Farm Road 1734
5.00(
13
)
Approved Pro
3 Brothers Remodeling
4159 Farm Road 1734
5.00(
13
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
204 local quotes requested

We do all remodeling. Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"If I could give more stars, I definitely would! 3Brothers did an excellent job replacing our home shower and I just have to take a moment to mention that we spoke to several contractors, and 3Brothers was the ONLY one who actually called and arrived exactly on time for both the estimate and the job. They were very professional, easy to work with, did a great job, and all at a reasonable price. I plan on hiring them for more remodeling jobs at my home and highly recommend them."

Judy G on July 2024

We do all remodeling. Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"If I could give more stars, I definitely would! 3Brothers did an excellent job replacing our home shower and I just have to take a moment to mention that we spoke to several contractors, and 3Brothers was the ONLY one who actually called and arrived exactly on time for both the estimate and the job. They were very professional, easy to work with, did a great job, and all at a reasonable price. I plan on hiring them for more remodeling jobs at my home and highly recommend them."

Judy G on July 2024


DEW Renovations/Remodeling
63 CR 34200
No reviews
DEW Renovations/Remodeling
63 CR 34200
No reviews
Free onsite estimate

Handyman. Specializing in drywall, tape bed and texture and paint. Inside and outside painting.

Handyman. Specializing in drywall, tape bed and texture and paint. Inside and outside painting.


Brick Street Fencing
Unknown
No reviews
Brick Street Fencing
Unknown
No reviews
16 years of experience

Brick Street Fencing is a small family owned company that has a couple of employees and most of the work done by one of the owners. Job prices depend upon the type of job, as well as material choosen for the job, but we always have free estimates and advice whether you use us or not. We live by our slogan of "Yesterday's Ethics Meeting Today's Needs"

Brick Street Fencing is a small family owned company that has a couple of employees and most of the work done by one of the owners. Job prices depend upon the type of job, as well as material choosen for the job, but we always have free estimates and advice whether you use us or not. We live by our slogan of "Yesterday's Ethics Meeting Today's Needs"


Legacy Lifts LLC
6556 State Highway 198
4.00(
1
)
Legacy Lifts LLC
6556 State Highway 198
4.00(
1
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Legacy Lifts is a Texas-based company producing innovative, state-of-the-art residential cargo lifts, passenger lifts, commercial lifts and boat products that are sold, installed and serviced by local distributors. We are committed to making elevated living easier. If you live or work in a multi-story building, you probably already know what a hassle it can be to make multiple trips up and down the stairs. Even simple tasks like taking out the trash or bringing up the groceries can be exhausting.

Legacy Lifts is a Texas-based company producing innovative, state-of-the-art residential cargo lifts, passenger lifts, commercial lifts and boat products that are sold, installed and serviced by local distributors. We are committed to making elevated living easier. If you live or work in a multi-story building, you probably already know what a hassle it can be to make multiple trips up and down the stairs. Even simple tasks like taking out the trash or bringing up the groceries can be exhausting.

...
Showing 1-10 of 307

Addition to existing structure building services FAQs

How far you can push a room depends on the structure you choose. A cantilevered bump-out can extend 24 inches before building codes require its own footing or foundation. Anything longer needs engineered support and a permit. Check local codes or consult with a structural professional before finalizing plans to ensure your design remains safe and compliant.

Most bump-outs are completed within one to four weeks, even with minimal electrical, plumbing, or HVAC work. Their compact size means less demolition, simpler inspections, and fewer weather-related delays compared to a full-scale addition. Your contractor can provide a more precise timeline once they have determined the scope, materials, and permit schedule, but plan on having the extra square footage ready in approximately a month.

The 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.
built-in outdoor kitchen with grill and sink
Apr 30, 2025
Apr 30, 2025
Budget for outdoor kitchen costs based on factors such as appliances, materials, permits, labor, amenities, kitchen size, customizations, and more.
BLUE TWO STORY HOME
Apr 30, 2025
Apr 30, 2025
Budget for the cost to add a second story based on factors such as size, foundation work, materials, labor, permits, post-construction cleaning, and more.
small bathroom that has been updated in a remodel
Apr 29, 2025
Apr 29, 2025
Budget for the cost to remodel a small bathroom based on factors such as required fixtures, bathroom size, labor, remodel type, site prep, and more.
guest house in the backyard
Apr 27, 2025
Apr 27, 2025
Need to build a guest house? Here’s how much it costs, what factors affect cost, and what to expect.
Kitchen view leading into dining area
Apr 28, 2025
Apr 28, 2025
Use this guide to budget for bump-out addition costs based on factors such as room size, room type, labor, finishes, permits, and more.
House roof with nice window
Apr 28, 2025
Apr 28, 2025
Budget for dormer addition costs based on factors such as roof type, framing, customizations, reinforcement, cladding, labor, and more.
Share project details to get started.