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Verified Reviews for Structural Engineering pros in O Fallon, MO

*The Angi rating for Structural Engineering companies in O Fallon, MO 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 O Fallon, MO 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 October 06, 2025

Find Structural engineers in O Fallon

Cobalt Construction Services

2052 Zumbehl Ste 52
No reviews yet

Cobalt Construction Services

2052 Zumbehl Ste 52
No reviews yet
25 years of experience

We are a growing company of skilled builders, laborers, and general contractor. Fully licensed and insured in/and around the St Louis area. Some of our recent commercial projects include: The Holiday Inn Express (Lambert Airport) - general contractor and landscape design Dunkin Donuts on 5th St (St Charles) - carpentry & landscaping The Holiday Inn Express (Elm Point, St Charles)

We are a growing company of skilled builders, laborers, and general contractor. Fully licensed and insured in/and around the St Louis area. Some of our recent commercial projects include: The Holiday Inn Express (Lambert Airport) - general contractor and landscape design Dunkin Donuts on 5th St (St Charles) - carpentry & landscaping The Holiday Inn Express (Elm Point, St Charles)

AL-IMAN Group, LLC

2318 Woodson Road
No reviews yet

AL-IMAN Group, LLC

2318 Woodson Road
No reviews yet
25 years of experience

With over 15 years of experience in Inspections and Structural Engineering in the St. Louis area and with license in more than 40 States and All Canadian Provinces we should be your first choice! Projects includes Schools, Hospitals, Libraries, Hotels, Museums, Sports, Labs/Pharmaceutical, Industrial/Energy, Recycling/Waste, Research Facilities, Justice, Office Buildings, Residential, Railway, Transportation, Parking Garages, Public/Municipal, Retail, Communication Towers and Entertainment. We also specialize in the areas of Insurance Claims, Forensics, Arbitrations/Testimony, Inspections, Code Compliance, Rehabilitation/Retrofitting, Seismic Upgrading and Blast Design, Equipment Support Design, as well as, Project Management, Cost Estimation, QA/QC, Business Development, Proposals/Contracts, Budgeting/Scheduling. We have all the most commonly used commercial softwares and tools like SAP, ETABS, SAFE, RISA, RAM, STAAD, PCI, ADAPT, MathCAD, Strudl, Revit/BIM and CAD. Check our Reviews

With over 15 years of experience in Inspections and Structural Engineering in the St. Louis area and with license in more than 40 States and All Canadian Provinces we should be your first choice! Projects includes Schools, Hospitals, Libraries, Hotels, Museums, Sports, Labs/Pharmaceutical, Industrial/Energy, Recycling/Waste, Research Facilities, Justice, Office Buildings, Residential, Railway, Transportation, Parking Garages, Public/Municipal, Retail, Communication Towers and Entertainment. We also specialize in the areas of Insurance Claims, Forensics, Arbitrations/Testimony, Inspections, Code Compliance, Rehabilitation/Retrofitting, Seismic Upgrading and Blast Design, Equipment Support Design, as well as, Project Management, Cost Estimation, QA/QC, Business Development, Proposals/Contracts, Budgeting/Scheduling. We have all the most commonly used commercial softwares and tools like SAP, ETABS, SAFE, RISA, RAM, STAAD, PCI, ADAPT, MathCAD, Strudl, Revit/BIM and CAD. Check our Reviews

Buildet Foundation Repair,LLC

7484 House Rd
1.00(
1
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Buildet Foundation Repair,LLC

7484 House Rd
1.00(
1
)
18 years of experience

I, Joshua Montgomery, CEO of Buildet Foundation Repair, LLC have been performing structual repairs and waterprofing for the past 8 years. I have experience as an employee and as a self-employed entrepreneur of excellence in the repair, maintenance, and construction of new and existing foundations. Most work I have performed has been obtained from satisfied customers who have had difficulties finding anyone who had the capabilities of repairing existing faulty foundations. I work with a crew who is also experienced in structual repairs and waterproofing. We do quality work in an expedient manner and work more cheaply than most companies due to low overhead costs, and by never over selling a job with unnecessary repairs. Our work is guaranteed to be exceptional and will last for years. Take a few moments to view our website to see the wide range of services we perform. We will travel to distant job sites and get the work done in an efficient and expedient manner. Just call or email the work you want a bid on, and I will return your call quickly and will give you the attention you deserve as a valued customer for the services we provide.

I, Joshua Montgomery, CEO of Buildet Foundation Repair, LLC have been performing structual repairs and waterprofing for the past 8 years. I have experience as an employee and as a self-employed entrepreneur of excellence in the repair, maintenance, and construction of new and existing foundations. Most work I have performed has been obtained from satisfied customers who have had difficulties finding anyone who had the capabilities of repairing existing faulty foundations. I work with a crew who is also experienced in structual repairs and waterproofing. We do quality work in an expedient manner and work more cheaply than most companies due to low overhead costs, and by never over selling a job with unnecessary repairs. Our work is guaranteed to be exceptional and will last for years. Take a few moments to view our website to see the wide range of services we perform. We will travel to distant job sites and get the work done in an efficient and expedient manner. Just call or email the work you want a bid on, and I will return your call quickly and will give you the attention you deserve as a valued customer for the services we provide.

Cochran

8 E MAIN ST
No reviews yet

Cochran

8 E MAIN ST
No reviews yet
21 years of experience

Cochran services both the public and private markets providing a comprehensive range of services including civil engineering, architecture, survey, geotechnical and environmental testing, construction and inspection testing, and quality assurance monitoring. Our team of experts will provide analysis, planning and design solutions for your needs relating to drinking water, waste water, transportation systems including roadways, bridges, sidewalks and infrastructure enhancements, site development, building needs. Located in Wentzville, Missouri, we proudly serve the following St. Charles communities: Wentzville, Lake Saint Louis, O'Fallon, St. Peters, St. Charles, St. Charles County, Warren County, Lincoln County, Warrenton, New Melle, Dardenne, Dardenne Prairie, Wright City, Foristell, Flint Hill, Troy, Winfield, Old Monroe, Weldon Spring, Defiance, Hawk Point and Jonesburg.

Cochran services both the public and private markets providing a comprehensive range of services including civil engineering, architecture, survey, geotechnical and environmental testing, construction and inspection testing, and quality assurance monitoring. Our team of experts will provide analysis, planning and design solutions for your needs relating to drinking water, waste water, transportation systems including roadways, bridges, sidewalks and infrastructure enhancements, site development, building needs. Located in Wentzville, Missouri, we proudly serve the following St. Charles communities: Wentzville, Lake Saint Louis, O'Fallon, St. Peters, St. Charles, St. Charles County, Warren County, Lincoln County, Warrenton, New Melle, Dardenne, Dardenne Prairie, Wright City, Foristell, Flint Hill, Troy, Winfield, Old Monroe, Weldon Spring, Defiance, Hawk Point and Jonesburg.

EPIC Packaging Lines

4142 Meramec Bottom Rd
No reviews yet

EPIC Packaging Lines

4142 Meramec Bottom Rd
No reviews yet
30 years of experience

EPIC designs, integrates and installs production lines for complete automated packaging systems. We utilize advanced line evaluation, 3D modeling, integration and automation to transform individual pieces of machinery and equipment into fully functional Packaging Lines. With over 17 years of plant and industrial experience; our talented engineers and craftsmen specify and fit machinery seamlessly throughout each packing line. EPIC provides a wide variety of solutions for: Raw Material Handling, Finished Product Supply Delivery Systems, Packaging Lines, Line Automation and Palletizing.

EPIC designs, integrates and installs production lines for complete automated packaging systems. We utilize advanced line evaluation, 3D modeling, integration and automation to transform individual pieces of machinery and equipment into fully functional Packaging Lines. With over 17 years of plant and industrial experience; our talented engineers and craftsmen specify and fit machinery seamlessly throughout each packing line. EPIC provides a wide variety of solutions for: Raw Material Handling, Finished Product Supply Delivery Systems, Packaging Lines, Line Automation and Palletizing.

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Structural Engineering questions, answered by experts

Accurate measurements, sturdy materials, and seamless integration with other structures.

Yes, all states require structural engineers to carry the proper license, with specifics determined by each state. You can use Angi’s state licensing tool to confirm that the structural engineer you’re considering holds the required licensing to tackle your job. Hiring an unlicensed structural engineer will not only cause issues with permits but it could also lead to an unsafe building. The cost of a professional, licensed, and experienced engineer is well worth the investment.

A construction manager is particularly useful in the case of a large-scale build with custom design elements, so it’s usually worth it to hire one. They can help manage your budget, maintain quality control, oversee timelines, and navigate unexpected hurdles. While construction managers are pricey, they can actually save money in the long run by identifying cost-saving opportunities and ensuring the project stays within budget.

Whether you’re building a new home or building an extension on your existing property, you will likely need both a structural engineer and an architect. A structural engineer will determine what loads your foundation and framing can safely handle, and an architect will draw plans according to those structural calculations to simplify the building process. You can start by contacting a structural engineer near you, as many work alongside architects and can get all of the prep work done at once.

In many areas, advice from a structural engineer or an architect will be required by your building department before you can remove a wall, but even if it’s not necessary, it’s a good idea. Accidentally removing a load-bearing wall—even if a general contractor advises that it’s safe—can cause major structural damage, putting you and your family at risk and potentially costing thousands or tens of thousands of dollars in property damage.

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The O Fallon, MO homeowners’ guide to structural engineering services

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