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Engineer structural pros in Chicago
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!
"Great job"
Nicole W on February 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!
"Great job"
Nicole W on February 2025
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
The James Group has been building luxury homes in the Chicagoland area for over 14 years. We are committed to making your dream home a reality through an easy, no-hassle experience. Whether you're looking to renovate or build from the ground up, we work with integrity, high quality standards, and an unsurpassed passion for creating your perfect home.
"The work was done on time and there were no pricing surprises. All pricing was agreed in a detailed contract before starting construction, and they used Buildertrend to keep us updated on the status of the renovation"
Brian P on January 2023
The James Group has been building luxury homes in the Chicagoland area for over 14 years. We are committed to making your dream home a reality through an easy, no-hassle experience. Whether you're looking to renovate or build from the ground up, we work with integrity, high quality standards, and an unsurpassed passion for creating your perfect home.
"The work was done on time and there were no pricing surprises. All pricing was agreed in a detailed contract before starting construction, and they used Buildertrend to keep us updated on the status of the renovation"
Brian P on January 2023
At R & G Almanza Landscape Inc. we pride ourselves on reliability, great communication, integrity and quality work. We strongly believe in performing our absolute best in all the work we perform and to always keep you educated about the work process. Our team is dedicated to staying on the leading edge in industry, so whether you need simple shrubbery trimming and shaping or something more complex such as the complete re-design of your back yard, we have the skills, people and tools to do the job correctly, safely, and efficiently. R & G Almanza LAndscape Inc is dedicated to providing our customers with the highest quality of work at a fair price. When you hire us, we guarantee prompt, reliable, and fair services and we will promise to always strive for 100% satisfaction.
"The charged a fair price, came when they said they would be there and worked diligently. I wouldn't hesitate to recommend R&G Almanza to anyone."
Vincent W on April 2022
At R & G Almanza Landscape Inc. we pride ourselves on reliability, great communication, integrity and quality work. We strongly believe in performing our absolute best in all the work we perform and to always keep you educated about the work process. Our team is dedicated to staying on the leading edge in industry, so whether you need simple shrubbery trimming and shaping or something more complex such as the complete re-design of your back yard, we have the skills, people and tools to do the job correctly, safely, and efficiently. R & G Almanza LAndscape Inc is dedicated to providing our customers with the highest quality of work at a fair price. When you hire us, we guarantee prompt, reliable, and fair services and we will promise to always strive for 100% satisfaction.
"The charged a fair price, came when they said they would be there and worked diligently. I wouldn't hesitate to recommend R&G Almanza to anyone."
Vincent W on April 2022
Midwest Landscaping Design & Tree Service Inc. is a family owned and operated company. We are based out of Downers Grove. We have been servicing the western suburbs for 35 years. Some of our many specialties are designing and renovating your property. We offer FREE ESTIMATES and are FULLY INSURED. We offer 1 Year Guarantee on Plants
"Pat and Midwest Landscaping did a great job on my yard. The plants had literally taken over and we had some poison ivy growing between our fence and the neighbor’s. In one morning they trimmed things that had gotten too big, moved plants to space them out better, weeded and got rid of the poison ivy problem. Really the best part was that they used all of our own plants, so we didn’t have to buy anything new. Whenever we need more help with the landscaping, we will be calling Pat."
Erica E on June 2025
Midwest Landscaping Design & Tree Service Inc. is a family owned and operated company. We are based out of Downers Grove. We have been servicing the western suburbs for 35 years. Some of our many specialties are designing and renovating your property. We offer FREE ESTIMATES and are FULLY INSURED. We offer 1 Year Guarantee on Plants
"Pat and Midwest Landscaping did a great job on my yard. The plants had literally taken over and we had some poison ivy growing between our fence and the neighbor’s. In one morning they trimmed things that had gotten too big, moved plants to space them out better, weeded and got rid of the poison ivy problem. Really the best part was that they used all of our own plants, so we didn’t have to buy anything new. Whenever we need more help with the landscaping, we will be calling Pat."
Erica E on June 2025
J &P brothers landscaping has provided Aurora, Naperville and the surrounding Chicago suburbs with quality landscaping design and brick pavers work for the past 10 years. We provide professional lawn maintenance. Please contact us for the following services: Patios, Paving, Retaining Walls, Fire Pits, Fire Places, Mowing, Trimming, Pool Decks, Ponds, Spring & Fall Clean Up, Snow Removal, Lawn Fertilization & Maintenance, Tree Removal, Tree Trimming and Stump Removal, and Mulch Installation & Deliveries. We provide all of the above professional services to keep your yard looking good all year round. You may reach us at 630-201-4896 or 630-664-4516.
"I recently had the pleasure of working with Juan at J&P Brothers Landscaping to transform my front and side yard, and I couldn’t be happier with the results. From start to finish, Juan and his team demonstrated professionalism, expertise, and a genuine commitment to excellence. 1. Initial Consultation and Proposal: Juan visited my home, took meticulous measurements, and showed me impressive examples of his previous work. He listened attentively to my preferences and needs. Within a week, he provided a detailed proposal that broke down various options, including addressing our backyard landscaping needs. 2. Efficient Execution: After a brief delay due to rain (which Juan communicated promptly), his team efficiently cleared out the yard in just one day. Over the next two days, they laid down approximately 2,500 square feet of lush Kentucky Bluegrass in the front and side yards, as well as the parkway. Juan also addressed a water pooling issue near our foundation—a problem we’d been grappling with for a while. 3. Attention to Detail: Not only did Juan level the problematic area, but he also added a beautiful flower bed according to our agreed-upon plan. Landscape fabric was strategically placed to prevent weeds, and a layer of fresh mulch completed the look. Our neighbors have been giving us glowing complements —the transformation is remarkable! 4. Smooth Process: Juan’s digital contract process made everything hassle-free. I appreciated the transparency and ease of communication throughout the project. 5. Looking Ahead: My wife and I are thrilled with our rejuvenated front yard, and we’re already planning to engage Juan for our backyard landscaping. His expertise and dedication are unmatched. In summary, Juan and his team delivered exceptional results, turning our outdoor space into something truly special. If you’re seeking top-notch landscaping services, look no further—Juan is the real deal!"
Mike O on September 2024
J &P brothers landscaping has provided Aurora, Naperville and the surrounding Chicago suburbs with quality landscaping design and brick pavers work for the past 10 years. We provide professional lawn maintenance. Please contact us for the following services: Patios, Paving, Retaining Walls, Fire Pits, Fire Places, Mowing, Trimming, Pool Decks, Ponds, Spring & Fall Clean Up, Snow Removal, Lawn Fertilization & Maintenance, Tree Removal, Tree Trimming and Stump Removal, and Mulch Installation & Deliveries. We provide all of the above professional services to keep your yard looking good all year round. You may reach us at 630-201-4896 or 630-664-4516.
"I recently had the pleasure of working with Juan at J&P Brothers Landscaping to transform my front and side yard, and I couldn’t be happier with the results. From start to finish, Juan and his team demonstrated professionalism, expertise, and a genuine commitment to excellence. 1. Initial Consultation and Proposal: Juan visited my home, took meticulous measurements, and showed me impressive examples of his previous work. He listened attentively to my preferences and needs. Within a week, he provided a detailed proposal that broke down various options, including addressing our backyard landscaping needs. 2. Efficient Execution: After a brief delay due to rain (which Juan communicated promptly), his team efficiently cleared out the yard in just one day. Over the next two days, they laid down approximately 2,500 square feet of lush Kentucky Bluegrass in the front and side yards, as well as the parkway. Juan also addressed a water pooling issue near our foundation—a problem we’d been grappling with for a while. 3. Attention to Detail: Not only did Juan level the problematic area, but he also added a beautiful flower bed according to our agreed-upon plan. Landscape fabric was strategically placed to prevent weeds, and a layer of fresh mulch completed the look. Our neighbors have been giving us glowing complements —the transformation is remarkable! 4. Smooth Process: Juan’s digital contract process made everything hassle-free. I appreciated the transparency and ease of communication throughout the project. 5. Looking Ahead: My wife and I are thrilled with our rejuvenated front yard, and we’re already planning to engage Juan for our backyard landscaping. His expertise and dedication are unmatched. In summary, Juan and his team delivered exceptional results, turning our outdoor space into something truly special. If you’re seeking top-notch landscaping services, look no further—Juan is the real deal!"
Mike O on September 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
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
Wentworth Construction, Inc., is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.
"It went excellent, they're innovative, problem solving and professional very trust worthy, outstanding planning and quality. Hight attention to detail and creativity. Worked within budget, this is our first big project we highly recommend and will hire Wentworth crew again. Be sure to consider Wentworth for your next instruction project."
Diana W on May 2024
Wentworth Construction, Inc., is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.
"It went excellent, they're innovative, problem solving and professional very trust worthy, outstanding planning and quality. Hight attention to detail and creativity. Worked within budget, this is our first big project we highly recommend and will hire Wentworth crew again. Be sure to consider Wentworth for your next instruction project."
Diana W on May 2024
At Luna Lever LLC, we're a team with over 30 years of experience in railroad maintenance, concrete, demolition, and excavation services. We also provide landscape and snow removal services. We offer a wide range of maintenance and construction services in Northwest, Indiana and Chicagoland demolition excavation construction demolition concrete excavation landscape snow removal maintenance and construction
"Very well! Couple ofrainy days however, they were very professional, friendly and kept me updated on status of work."
Michael S on September 2024
At Luna Lever LLC, we're a team with over 30 years of experience in railroad maintenance, concrete, demolition, and excavation services. We also provide landscape and snow removal services. We offer a wide range of maintenance and construction services in Northwest, Indiana and Chicagoland demolition excavation construction demolition concrete excavation landscape snow removal maintenance and construction
"Very well! Couple ofrainy days however, they were very professional, friendly and kept me updated on status of work."
Michael S on September 2024
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.
"This is easily the best interaction I’ve had with a contractor. They were professional, prompt and finished in exactly the time frame given. They also checked in every step of the way and followed up after the work was finished. If I ever need builders again, I will co tact them and have recommended them to everyone I know."
Jessica K on May 2023
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.
"This is easily the best interaction I’ve had with a contractor. They were professional, prompt and finished in exactly the time frame given. They also checked in every step of the way and followed up after the work was finished. If I ever need builders again, I will co tact them and have recommended them to everyone I know."
Jessica K on May 2023
FAQs for engineer structural projects in Chicago, IL
You should replace floor joists as soon as you see clear signs of structural trouble—sagging floors, wide wall cracks, uneven door frames, wet or rotting wood, persistent squeaks, or windows that no longer latch. Tilted or sinking supports in the crawl space are another red flag. If you notice any of these signs, call a pro right away to keep your home’s structure safe.
If the joists are exposed from below, a pro can swap them out without touching the finished floor above. In an unfinished basement or crawl space, you’ll often see the joists and can easily reach them. When insulation, subflooring, or finished flooring blocks access, the crew must remove these materials before repairs can begin.
Sistering allows a pro to reinforce a cracked or undersized joist without tearing up the entire floor. The contractor slowly raises the frame, then fastens a new joist snugly against the damaged one to share the load. When done correctly, sistering restores full structural strength and keeps the floor level without the cost of a complete replacement.
Floor joists installed correctly in a stable environment can last for 100 years or more, often outlasting the house itself. However, termite damage, moisture, leaks, and other problems can significantly reduce a floor's lifespan. For instance, if the floor is exposed to consistent moisture, you'll likely need to replace the joists every 20 to 30 years.
Homeowners' insurance covers floor joist damage resulting from sudden and accidental events, such as fire, windstorm, or water damage from a burst pipe. It will not cover repairs resulting from gradual deterioration, poor maintenance, or termite infestations. Review your insurance policy and consult your provider to verify the conditions that guarantee full coverage. Doing so ensures you are fully aware of your responsibilities and can plan your repair work with complete confidence.
Floor joists are essential structural components that provide a stable foundation for your home. They directly transfer the weight of floors, furniture, and occupants to the foundation, ensuring stability and a safe living environment. Without these robust beams, the structure would face compromised load distribution, leading to potential safety hazards and costly repairs. Proper installation and maintenance are crucial for long-term durability and safety.
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