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  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon28
    Verified structural engineering services reviews

Find Structural engineers in Great Lakes

Avatar for Perma-Seal Basement Systems

Perma-Seal Basement Systems

412 Rockwell Ct
4.43(
1,404
)
Approved Pro

Perma-Seal Basement Systems

412 Rockwell Ct
4.43(
1,404
)
Approved Pro
Customers say: Super punctual
879 local quotes requested
46 years of experience

Perma-Seal specializes in protecting the value of your home backed by 45 years of serving the Chicagoland and NW Indiana areas. Our basement waterproofing stops leaks and flooding, our foundation repairs fix settling and bowed walls, and our crawl space solutions control humidity and improve air quality. Our concrete lifting and leveling service offers a reliable, quick, and highly effective way to repair your sunken, cracked driveway, patio, pool deck, or sidewalk for a fraction of the cost of replacement. Additionally, we provide yard drainage solutions, sewer and plumbing services, and home comfort solutions such as air sealing, and insulation to ensure your home remains in top condition. What sets us apart? Our commitment to superior customer service and our solid warranty. Any product or work covered by our warranty is serviced free of charge for the entire warranty period. Choose Perma-Seal for reliable, quality solutions to keep your home safe and comfortable.

"Jose and the team did a great job. Very professional and communicative. We're happy with the result and would recommend them."

ELAINE O on September 2025

Perma-Seal specializes in protecting the value of your home backed by 45 years of serving the Chicagoland and NW Indiana areas. Our basement waterproofing stops leaks and flooding, our foundation repairs fix settling and bowed walls, and our crawl space solutions control humidity and improve air quality. Our concrete lifting and leveling service offers a reliable, quick, and highly effective way to repair your sunken, cracked driveway, patio, pool deck, or sidewalk for a fraction of the cost of replacement. Additionally, we provide yard drainage solutions, sewer and plumbing services, and home comfort solutions such as air sealing, and insulation to ensure your home remains in top condition. What sets us apart? Our commitment to superior customer service and our solid warranty. Any product or work covered by our warranty is serviced free of charge for the entire warranty period. Choose Perma-Seal for reliable, quality solutions to keep your home safe and comfortable.

"Jose and the team did a great job. Very professional and communicative. We're happy with the result and would recommend them."

ELAINE O on September 2025


Avatar for AGGO Construction & Engineering, LLC

AGGO Construction & Engineering, LLC

5425 W Wilson Ave
5.00(
10
)
Approved Pro

AGGO Construction & Engineering, LLC

5425 W Wilson Ave
5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
88 local quotes requested

We specialize in Structural Engineering Services and various types of Construction Jobs. Structural Engineering: Structural Design & Inspections Professional Condition Assessments Streamlined Permit Planning Thorough Construction Oversight Construction & General Contracting: Construction Management Structural Framing (Steel) Custom Outdoor Living Spaces (Decks and Pergolas) Specialized Welding and Metal Work Masonry and Concrete Solutions Railing - new fabrication and rehabilitation

"Ken and the folks at AGGO did an excellent job with our stairs. They came very quickly to give an estimate and listen carefully to our problem. They completed the work quickly, efficiently, and for a great price--easily beating other bids."

Andrew I on July 2021

We specialize in Structural Engineering Services and various types of Construction Jobs. Structural Engineering: Structural Design & Inspections Professional Condition Assessments Streamlined Permit Planning Thorough Construction Oversight Construction & General Contracting: Construction Management Structural Framing (Steel) Custom Outdoor Living Spaces (Decks and Pergolas) Specialized Welding and Metal Work Masonry and Concrete Solutions Railing - new fabrication and rehabilitation

"Ken and the folks at AGGO did an excellent job with our stairs. They came very quickly to give an estimate and listen carefully to our problem. They completed the work quickly, efficiently, and for a great price--easily beating other bids."

Andrew I on July 2021


"Excellent honest work!"

Nick O on August 2024

Structural Design Corporation (SDC) is a licensed consulting engineering firm located in Libertyville, Illinois. We have been providing engineering & inspection services since 1979. We are a licensed design firm in the state of Illinois.

"Excellent honest work!"

Nick O on August 2024


Avatar for Great Lakes Builders Inc

Great Lakes Builders Inc

870 Lively Blvd
4.85(
160
)
Approved Pro

Great Lakes Builders Inc

870 Lively Blvd
4.85(
160
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
79 local quotes requested

SUPER SERVICE AWARD WINNER 12 CONSECUTIVE YEARS. Great Lakes Builders is a structural contractor that specializes in protecting the value of existing properties through its “Structural Repair and Remediation” services and in adding value to existing properties through its “Structural Alterations” services. Great Lakes Builders has been providing "Structural Solutions" for residential, commercial and industrial properties since 1949. Great Lakes Builders provides Structural Engineering referrals to Homeowners and Building owners that require structural engineering services. Note: The phone numbers listed for Great Lakes Builders on Angi are all office landline phones so do not text us on these numbers.

"Their crew showed up on time, worked steadily on our job, explained what they were doing, got the job done on time, and cleaned up after themselves. Polite and professional the whole way. This is the second time we've used Great Lakes and would happily use them again, as well as recommend them to others."

Scott B on September 2025

SUPER SERVICE AWARD WINNER 12 CONSECUTIVE YEARS. Great Lakes Builders is a structural contractor that specializes in protecting the value of existing properties through its “Structural Repair and Remediation” services and in adding value to existing properties through its “Structural Alterations” services. Great Lakes Builders has been providing "Structural Solutions" for residential, commercial and industrial properties since 1949. Great Lakes Builders provides Structural Engineering referrals to Homeowners and Building owners that require structural engineering services. Note: The phone numbers listed for Great Lakes Builders on Angi are all office landline phones so do not text us on these numbers.

"Their crew showed up on time, worked steadily on our job, explained what they were doing, got the job done on time, and cleaned up after themselves. Polite and professional the whole way. This is the second time we've used Great Lakes and would happily use them again, as well as recommend them to others."

Scott B on September 2025


HBuilt, Inc.

511 N 7th Ave
No reviews yet

HBuilt, Inc.

511 N 7th Ave
No reviews yet

HBuilt, Inc. has been in business for 10 years, we have always pride ourselves on giving costumers our best service. The best part of our company is that we offer quality and satisfaction to every job we do. It doesn't matter if its concrete work, or Steel work, as we specialize in both. Our Concrete department has over 12 years experience on pleasing people with good quality work, Driveways, New Garage Floors, Front Stairs, back patios, and sidewalks, are some of the things we offer to our clients. Our Ornamental/Structural Department has over 15 years experience on working steel all over the Chicagoland area and Suburbs. Steel Stairs, Concrete Stair Railing, Steel/Wood Fencing, Porches, Small Structures, are some of the things we offer. We also can provide you with AutoCAD blueprints to pass your village or city permit. We wont disappoint just give us a call and we will do our best to satisfy our work need.

HBuilt, Inc. has been in business for 10 years, we have always pride ourselves on giving costumers our best service. The best part of our company is that we offer quality and satisfaction to every job we do. It doesn't matter if its concrete work, or Steel work, as we specialize in both. Our Concrete department has over 12 years experience on pleasing people with good quality work, Driveways, New Garage Floors, Front Stairs, back patios, and sidewalks, are some of the things we offer to our clients. Our Ornamental/Structural Department has over 15 years experience on working steel all over the Chicagoland area and Suburbs. Steel Stairs, Concrete Stair Railing, Steel/Wood Fencing, Porches, Small Structures, are some of the things we offer. We also can provide you with AutoCAD blueprints to pass your village or city permit. We wont disappoint just give us a call and we will do our best to satisfy our work need.




Engikeering, LLC

P.O. Box 5673
4.60(
10
)

Engikeering, LLC

P.O. Box 5673
4.60(
10
)
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers

Engikeering provides excellent structural engineering solutions. Engikeering will provide a licensed structural engineer to deliver an accurate assessment of the potential concern and create structural solutions. If you are removing walls, adding openings in walls, adding living space, placing an additional story on a structure or other actions that may impact the structural components of an existing building, it is advisable to utilize a structural engineer to understand the full impact of the renovation. Engikeering will provide full structural design and detailing for new structures, to completely and economically meet all of the applicable building code requirements. Engikeering can help identify the cause, assess the severity of the situation, and provide any needed design to remediate the areas of concern: Foundation cracks, interior cracking and/or framing movement, natural disaster damage, sagging floors or bowing walls, rot and/or insect deterioration, undersized, strained or damaged elements, roof failure or building collapse.

"Beware of this company. I had Jonathan come out to provide me with a verbal report on the condition of some termite damage in my basement. With each visit, he wanted more drywall removed and exacerbated the perceived severity of the situation. I soon realized that he was more problem focused than solutions oriented. I decided that I would prefer to look elsewhere for services to mitigate my issue, and effectively terminated our contract. Jonathan, without my knowledge and with what I perceive to be malicious intent, then sent his partially complete report to the Village reporting my property. Half the report was guesswork as to the extent of the damage as they were about areas that he was not even able to visually inspect. The village, after reading the report, became spooked and are asking for more than I and my professionals agree is necessary to mitigate the safety risk. Needless to say, I will never again use his services and I strongly advise that others be wary as well."

Patricia P on July 2024

Engikeering provides excellent structural engineering solutions. Engikeering will provide a licensed structural engineer to deliver an accurate assessment of the potential concern and create structural solutions. If you are removing walls, adding openings in walls, adding living space, placing an additional story on a structure or other actions that may impact the structural components of an existing building, it is advisable to utilize a structural engineer to understand the full impact of the renovation. Engikeering will provide full structural design and detailing for new structures, to completely and economically meet all of the applicable building code requirements. Engikeering can help identify the cause, assess the severity of the situation, and provide any needed design to remediate the areas of concern: Foundation cracks, interior cracking and/or framing movement, natural disaster damage, sagging floors or bowing walls, rot and/or insect deterioration, undersized, strained or damaged elements, roof failure or building collapse.

"Beware of this company. I had Jonathan come out to provide me with a verbal report on the condition of some termite damage in my basement. With each visit, he wanted more drywall removed and exacerbated the perceived severity of the situation. I soon realized that he was more problem focused than solutions oriented. I decided that I would prefer to look elsewhere for services to mitigate my issue, and effectively terminated our contract. Jonathan, without my knowledge and with what I perceive to be malicious intent, then sent his partially complete report to the Village reporting my property. Half the report was guesswork as to the extent of the damage as they were about areas that he was not even able to visually inspect. The village, after reading the report, became spooked and are asking for more than I and my professionals agree is necessary to mitigate the safety risk. Needless to say, I will never again use his services and I strongly advise that others be wary as well."

Patricia P on July 2024



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Structural Engineering questions, answered by experts

A structural engineer’s report is almost always worth it, as it can help you avoid buying or overpaying for a home with structural issues. The most important thing the report does for you is provide peace of mind that you won’t have to pay thousands of dollars for structural repairs right after closing on a property.

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.

Hiring a structural engineer costs about $550 on average. However, prices range from as low as $200 up to $1,500. Structural engineers may charge by project, hourly, or by the square footage, making it important to understand how your chosen engineer structures their estimates. Additional cost factors include project type, the scope of work, the size of the project, and your geographic location.

The easiest way to tell if a wall is load bearing is to check if it’s an exterior wall or if it runs perpendicular to the joists above and below it (or parallel to beams). Exterior walls are almost always load-bearing, and walls that run under beams or parallel to them are also usually load-bearing. There are exceptions to these rules, and walls that don’t fit into these categories can still be load-bearing. If you’re unsure, hire a structural engineer to look at your home to assess whether or not the wall is structural.

Costs depend on unit complexity, labor, wall mounting needs, and additional accessories like floating shelves.

The Great Lakes, IL homeowners’ guide to structural engineering services

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