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*The Angi rating for Structural Engineering companies in North Prairie, WI 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 North Prairie, WI 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 May 14, 2026

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Avatar for Gaidish Foundation
Gaidish Foundation
4.6(
58
)

Serving North Prairie, WI and surrounding areas

In business since 1977

Free estimates

Warranties offered

"I have used Gaidish company in few project now , Jeff the owner is very professional and honest men. They did take care the problem in my basement and did excellent job. I will not hesitate to hire this company for my future project ."
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+2

Recommended by97%of homeowners
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Avatar for Construct Boss
Construct Boss
5.0(
7
)

Serving North Prairie, WI and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Construct Boss was easy to work with and turned out an excellent product for a fair price! Dan was very easy to talk to and he understands the details of construction describing what surprises we might see in construction so we won't be surprised if they come up!"
Original Look
Original Space
Original Kitchen
Added Full Bathroom
Original Bathroom

+25

Recommended by100%of homeowners
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Structural Engineering questions, answered by experts

The 10 10 rule describes the formula most contractors use to determine how much to charge for a job. Allowing for 10% overhead above the total projected cost to do the work and 10% profit sets a contractor up for success, even if there are delays or other problems on the project. This formula isn’t a hard-and-fast rule, but it is a ballpark figure to begin with when estimating your expenses on a job.

The standard thickness for an LVL beam is between 1.75 inches and 7 inches. However, you can order LVL beams in non-standard sizes as well. When you work with a contractor, they can source beams that are the appropriate size for your project for you after assessing your blueprints.

Structural engineers can perform various inspections on different structures in your home. These inspections usually include a report detailing the engineer’s findings and recommendations for repairs so you can determine your next course of action for repairs, replacements, or new builds. Some of the most common structural engineering reports include:

  • Full home inspection: $350–$1,000

  • Foundation: $300–$800

  • Load-bearing walls: $300–$1,000

  • Roof: $150–$600

  • Chimney: $200–$500

Although the two terms are closely related and often used interchangeably, pier and beam foundations and crawl spaces are different things. A pier and beam foundation is made up of concrete piers and wooden beams and creates a space under the home known as a crawl space. There are several types of foundations that create crawl spaces, often collectively known as “crawl space foundations,” but the crawl space itself is separate from the foundation. 

The average cost to hire a structural engineer is about $550, with prices generally ranging from $200 to $1,500. Structural engineers may charge a flat rate, by the project, by square footage, or an hourly rate, which is typically between $100 and $250. Many jobs, such as inspections and structural calculations, are billed at a flat rate, which often falls between $300 and $800. The final cost depends on several factors, including the project's type, scope, size, complexity, ease of access for inspection, and your geographic location.

The North Prairie, WI homeowners’ guide to structural engineering services

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

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