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Verified Reviews for Structural Engineering pros in Zion, IL

*The Angi rating for Structural Engineering companies in Zion, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

*The HomeAdvisor rating for Structural Engineering companies in Zion, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

Last update on September 29, 2025

Find Structural engineers in Zion

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

Serving Zion, 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
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Avatar for HOME INSTALLATION PROFESSIONALS INC
HOME INSTALLATION PROFESSIONALS INC
4.1(
32
)

Serving Zion, IL and surrounding areas

In business since 1973

Emergency services offered

Credit card accepted

"The entire crew including Brian Weinstock, the owner, was very hands on and extremely helpful throughout the whole process in every way. The crews treated our home as if it was their own and cleaned up very well each day. Brian was very honest, he stuck to the proposal and contract, Everything looks fantastic and it couldn't have gone more smoothly!!! We would highly recommend him to anyone."
Recommended by86%of homeowners
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Avatar for American Custom Homes
American Custom Homes
5.0(
3
)

Serving Zion, 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
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TMCM Construction
3.6(
8
)

Serving Zion, IL and surrounding areas

In business since 2008

Free estimates

Credit card accepted

"Painting was not completed as desired. Many incomplete areas with paint splashes and spills on floor (the latter was cleaned up by their cleaning crew when I complained). Painter was let go and several others were asked to complete the work but none did a great job and still many areas not completed. I stopped the process and will finish it myself.
"
Recommended by57%of homeowners
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A2 Engineering Services P.C
New to Angi

Serving Zion, IL and surrounding areas

In business since 2001

Free estimates

We take 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.

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Structural Engineering questions, answered by experts

Generally, you can tell if a home is bolted to the foundation by checking the foundation for plates. If you see that your foundational plates connect to wood or bolts protruding from them, this means that you have a bolted foundation. However, it's always wise to bring a home inspector in to confirm if your foundation is secure.

You need to hire a structural engineer when building or modifying any component with a structural load in your home. Common situations where you would need a structural engineer include home inspections when buying or selling a home, investigating possible issues with your foundation, beams, load-bearing walls, or chimneys, breaking ground on a new home or structure on your property, and renovating an old part of your home that could threaten any structural integrity. Home additions and bump-outs also require an engineer.

Yes, walls on the top floor can be load-bearing if stacked on the floor’s foundation.

Most lenders and homeowner’s insurance companies don’t mandate a structural engineer’s inspection, so in most cases, it’s not required. However, it’s a good idea to have one done anyway to ensure you know what you’re buying. You can use the report to carry out repairs after closing or even to negotiate the sale price before closing.

The depth of any foundation style depends on your climate and how deep the frost line is, as building code requires that the footers of a foundation—which are built into a monolithic slab—sit at least a foot below the frost line. At the southern tip of Florida, for example, a monolithic slab foundation would only need to sit 12 inches under the soil at the widest parts. On some parts of the Canadian border, the frost line is 100 inches, which would mean a minimum of 112 inches, which is prohibitively deep for a monolithic slab.

The Zion, IL homeowners’ guide to structural engineering services

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