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Find Engineer structural pros in Naperville

Avatar for Great Lakes Builders Inc
Great Lakes Builders Inc
4.8(
169
)

Serving Naperville, IL and surrounding areas

Approved

In business since 1946

Customers say: Super punctual

"Martin and Jake are the absolute best to work with. They were thorough, efficient, professional and so easy to work with for our basement structural work. They took time to explain what needed to be done, coordinated with different contractors (plumbing, electrical), and were able to complete our project on time while we were out of town for just a week(!!). I can't recommend Great Lakes Builders more - they were a pleasure to work with and we will absolutely be using them again for any future work we need. 5+ stars!"
Response time1 day
Response rate92%
Recommended by97%of homeowners
Avatar for AGGO Construction & Engineering, LLC
AGGO Construction & Engineering, LLC
5.0(
14
)

Serving Naperville, IL and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I would (and almost certainly will) work with AGGO again! We are buying a house and something came up where we needed a structural engineer to inspect something on very short notice. I reached out though Angi's to any company that might possibly employ structural engineers and Linda, a Structural Engineer with AGGO got back to me right away, first thing in the morning and was able to squeeze us in that very night. Linda was thoughtful and thorough. She careful looked over everything and even brought a large, bright light since it was after dark. She took her time, answered all of our questions, and gave us advice on other concerns and things to watch out for as well as reassuring us about things we didn't need to worry about in this situation. Even though she was probably working past her normal work hours to squeeze us in, nothing felt rushed or hasty."
27 neighbors recently requested a quote
Recommended by83%of homeowners
American Structurepoint, Inc.
4.3(
2
)

Serving Naperville, IL and surrounding areas

In business since 2017

Free estimates

Credit card accepted

Here at American Structurepoint, Inc. we have a main focus of quality over quantity! We are a structural engineering company with your project needs always in mind! We pride ourselves in professionalism and integrity! Please call today for a free estimate! We look forward to earning your life long business!

Response time2 days
Recommended by100%of homeowners
Avatar for Elite Stucco & EIFS Solutions
Elite Stucco & EIFS Solutions
4.1(
18
)

Serving Naperville, IL and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"Elite Stucco was great! Their price was very reasonable and they were very professional. They kept the job-site clean and got our repair done quickly. The quality of the work was excellent! Would highly recommend"
After restoration and Limestone finish
Before restoration
After restoration and limestone finish
Before restoration
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+222

Recommended by100%of homeowners
Avatar for American Custom Homes
American Custom Homes
5.0(
3
)

Serving Naperville, IL and surrounding areas

In business since 2000

Emergency services offered

Credit card accepted

"I would like to start off with precise, warm welcome and highly responsible of what they are doing. They really know what they are doing and from start from start to end it has been a great project with new experiences and great craftsmanship. Thanks again guys and i hope to have more work for you soon...
"
Stone Travertine
12x6 Travertine hand cut
Complete Steamer
Recommended by100%of homeowners
TMCM Construction
3.6(
8
)

Serving Naperville, IL and surrounding areas

In business since 2008

Free estimates

Credit card accepted

"Workman show up at 9 a.m. We talked about what we wanted done, I am sure he already knew but wanted to make sure we were on the same page as his info. Layed tarps down and started the demolition. Moved electic and put in the ceiling electric. Dry walled off the walk in area and then reversed the door to open outward. Patched seams with joint compound and left for the day. Back 9:30  next morning, Finished up putting molding around door and checked to make sure joints were finished properly. Hung new lighting fixture. Cleaned up and took trash out to the back. 
"
Recommended by57%of homeowners
Avatar for Enterluck Contracting
Enterluck Contracting
5.0(
1
)

Serving Naperville, IL and surrounding areas

In business since 2018

Free estimates

"Enterluck Contracting did an awesome job with the renovation of my kitchen and living/dining room area of my home. I get a lot of compliments on the new look of my home. Tim was very detailed, thorough with the scope of the project, attentive and supportive of my vision, and delivered a professional product and service. Tim is also a great person to work with, have creative ideas, and comes highly recommended for any project."
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+12

Recommended by100%of homeowners
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FAQs for engineer structural projects in Naperville, IL

You should replace floor joists as soon as you see clear signs of structural trouble—sagging floors, wide wall cracks, uneven door frames, wet or rotting wood, persistent squeaks, or windows that no longer latch. Tilted or sinking supports in the crawl space are another red flag. If you notice any of these signs, call a pro right away to keep your home’s structure safe.

If the joists are exposed from below, a pro can swap them out without touching the finished floor above. In an unfinished basement or crawl space, you’ll often see the joists and can easily reach them. When insulation, subflooring, or finished flooring blocks access, the crew must remove these materials before repairs can begin.

Sistering allows a pro to reinforce a cracked or undersized joist without tearing up the entire floor. The contractor slowly raises the frame, then fastens a new joist snugly against the damaged one to share the load. When done correctly, sistering restores full structural strength and keeps the floor level without the cost of a complete replacement.

Floor joists installed correctly in a stable environment can last for 100 years or more, often outlasting the house itself. However, termite damage, moisture, leaks, and other problems can significantly reduce a floor's lifespan. For instance, if the floor is exposed to consistent moisture, you'll likely need to replace the joists every 20 to 30 years.

Homeowners' insurance covers floor joist damage resulting from sudden and accidental events, such as fire, windstorm, or water damage from a burst pipe. It will not cover repairs resulting from gradual deterioration, poor maintenance, or termite infestations. Review your insurance policy and consult your provider to verify the conditions that guarantee full coverage. Doing so ensures you are fully aware of your responsibilities and can plan your repair work with complete confidence.

Floor joists are essential structural components that provide a stable foundation for your home. They directly transfer the weight of floors, furniture, and occupants to the foundation, ensuring stability and a safe living environment. Without these robust beams, the structure would face compromised load distribution, leading to potential safety hazards and costly repairs. Proper installation and maintenance are crucial for long-term durability and safety.

The Naperville, IL homeowners’ guide to engineer structurals

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