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TRUSTED BY NILES, IL HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon31
    Verified structural engineering services reviews

Find Structural engineers in Niles

Avatar for Perma-Seal Basement Systems

Perma-Seal Basement Systems

4.43(
1,404
)
Approved Pro

Perma-Seal Basement Systems

4.43(
1,404
)
Approved Pro
Customers say: Super punctual
904 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

5.00(
10
)
Approved Pro

AGGO Construction & Engineering, LLC

5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
92 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


Avatar for Structural Consultants, Ltd.

Structural Consultants, Ltd.

4.66(
43
)
Approved Pro

Structural Consultants, Ltd.

4.66(
43
)
Approved Pro
Super Service Award
Customers say: Super punctual
51 local quotes requested
20 years of experience

Hello and welcome to Design Partners. We are your one stop shop for your structural needs. We have years of experience, and over 50 consecutive, unsolicited, 5-Star reviews on Thumbtack. - whether you have structural issues, need an inspection or safety concern, give me a call today - I look forward to hearing from you!

"His experience really came thru clutch! Thank you Roman! I highly recommend his expertise for your structural concerns. "

JM W on November 2025

Hello and welcome to Design Partners. We are your one stop shop for your structural needs. We have years of experience, and over 50 consecutive, unsolicited, 5-Star reviews on Thumbtack. - whether you have structural issues, need an inspection or safety concern, give me a call today - I look forward to hearing from you!

"His experience really came thru clutch! Thank you Roman! I highly recommend his expertise for your structural concerns. "

JM W on November 2025


"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


Professional for Solving Projects (PSP)

No reviews yet

Professional for Solving Projects (PSP)

No reviews yet

We are Expert in Providing Services for Aerospace, Industrial, Mechanical, Structural, and Biomechanical Engineering Students. We provide the students full assistance in their Final Year Projects, Assignments, Project Lab as well as tutoring for most of the Engineering subjects.

We are Expert in Providing Services for Aerospace, Industrial, Mechanical, Structural, and Biomechanical Engineering Students. We provide the students full assistance in their Final Year Projects, Assignments, Project Lab as well as tutoring for most of the Engineering subjects.


WT Group

No reviews yet

WT Group

No reviews yet
54 years of experience

WT is a full service engineering design company. We have been a family owned, local business, celebrating 50 year Anniversary in 2021. WT is a one-stop shop for your engineering and design needs. Whether you need a quick survey for a fence, engineering drawings for a major renovation, flooding problems, or even a project managment team to help you manage and navigate your project, WT has a solution for you. There are a lot of decisions in any construction project. With renovations, surprises are nearly synonymous. Our goal is to bring you confidence, and make sure you sleep well at night knowing your project is on track and on budget.

WT is a full service engineering design company. We have been a family owned, local business, celebrating 50 year Anniversary in 2021. WT is a one-stop shop for your engineering and design needs. Whether you need a quick survey for a fence, engineering drawings for a major renovation, flooding problems, or even a project managment team to help you manage and navigate your project, WT has a solution for you. There are a lot of decisions in any construction project. With renovations, surprises are nearly synonymous. Our goal is to bring you confidence, and make sure you sleep well at night knowing your project is on track and on budget.


"Well so far so good. Must make sure gutter in area is cleaned out also."

Louie L on October 2019

We have over 20 years of combined experience, ex employees of big named brand companies offering the same services, the same material, at a better price. Family owned buisness.

"Well so far so good. Must make sure gutter in area is cleaned out also."

Louie L on October 2019


Nichic Corporation General Contractors

5.00(
1
)

Nichic Corporation General Contractors

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Nichic Corporation General Contractors is a company that build new homes and buildings commercial and residential. We offer services in remodel, rehab, convert and repair commercial and residential buildings. We billing our services according with standard contracts agreements. We do not have special promotions, because our services are fair and sometimes below the market value. Anyway, we performed extra work which is not part of our scoop of work in the signed contract, if this extra work is in our way to continue with the scoop of work in the contract and if the amount of labor doesn't exceed $300.00 and the materials are not above $150.00 and if the original contract is $5,000.00 or more. We notifiy and identify the extra work at the moment which this appear in our way. We can make financing arrangments with Wells Fargo Bank, Banks of America and US Bank, but the final decision is on them. Each sub-contractor working for Nichic Corporation is passed by a strict verification of all insurance, license, workers comp etc.

Nichic Corporation General Contractors is a company that build new homes and buildings commercial and residential. We offer services in remodel, rehab, convert and repair commercial and residential buildings. We billing our services according with standard contracts agreements. We do not have special promotions, because our services are fair and sometimes below the market value. Anyway, we performed extra work which is not part of our scoop of work in the signed contract, if this extra work is in our way to continue with the scoop of work in the contract and if the amount of labor doesn't exceed $300.00 and the materials are not above $150.00 and if the original contract is $5,000.00 or more. We notifiy and identify the extra work at the moment which this appear in our way. We can make financing arrangments with Wells Fargo Bank, Banks of America and US Bank, but the final decision is on them. Each sub-contractor working for Nichic Corporation is passed by a strict verification of all insurance, license, workers comp etc.



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Structural Engineering questions, answered by experts

The best way to determine if ceiling cracks are structural is to hire a ceiling contractor to inspect the cracks and provide a professional opinion. That said, you might be able to make an educated guess based on the size and appearance of the crack. Larger cracks, cracks accompanied by sagging or discoloration, and cracks that travel from the ceiling down the walls are all signs of structural issues.

A structural inspection report will include a detailed description of the structural engineer’s findings, applicable photographs, and recommendations to correct the issue. The contents of the report may depend on the scope of the inspection but might also include a time and cost estimate for recommended work to correct any structural problems found during the inspection. 

Yes, water damage can affect your walls' structural integrity. If the water or moisture sits on the walls for an extended period, it can weaken the drywall, plaster, wood framing, and other materials supporting the wall. That's why it's critical to dry out the area as soon as you notice it.

A freestanding brick wall that's only one brick thick can usually stand six to eight feet high. If you need a higher wall, it should be at least two bricks thick for adequate stability, and it might require a footing to support the added weight. Additionally, some areas have regulations and codes dictating how high a brick wall can be, so check with local code enforcers to ensure your proposed wall complies with any regulations.

Yes, an LVL beam is more affordable than the cost of a steel I-beam, totaling between $50 and $200 per linear foot as opposed to the $100 to $400 per linear foot you’d pay for a steel I-beam. Not only is the wood material more affordable than steel, but it’s also more similar to traditional wooden beams and doesn’t require as much retrofitting to connect joists.

The Niles, IL homeowners’ guide to structural engineering services

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