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TRUSTED BY ROSELAND, NJ HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon15
    Verified structural engineering services reviews

Find Structural engineers in Roseland

"I called five different companies from the Angi list before finding Colonna Consulting. When I called and I explained my situation to Nick (the owner), I immediately knew he was the one. Despite his tight schedule, he managed to fit me in on the same day. We hired Colonna and Nick to inspect our residential structural foundation. Nick responded promptly to my requests and explained everything clearly during the inspection. He completed the report within the same day. Working with him was a pleasure, and his professionalism made the process smooth and stress-free. Thank you very much Nick, for your fast response."

May S on August 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. We provide professional structural inspection, design, drawing, permit support, and consulting.

"I called five different companies from the Angi list before finding Colonna Consulting. When I called and I explained my situation to Nick (the owner), I immediately knew he was the one. Despite his tight schedule, he managed to fit me in on the same day. We hired Colonna and Nick to inspect our residential structural foundation. Nick responded promptly to my requests and explained everything clearly during the inspection. He completed the report within the same day. Working with him was a pleasure, and his professionalism made the process smooth and stress-free. Thank you very much Nick, for your fast response."

May S on August 2025


Avatar for StructuralMD

StructuralMD

4.80(
133
)
Approved Pro

StructuralMD

4.80(
133
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
17 years of experience

StructuralMD is a structural engineering company that specializes in structural remediation, consulting, design and inspections as well as water management, mold remediation and basement dig-outs. It is a division of Lallygone, LLC, which was formed in 2008 by an structural engineer with extensive experience in civil engineering, structural remediation, and general construction.

"Yes, great professional service."

Will M on June 2024

StructuralMD is a structural engineering company that specializes in structural remediation, consulting, design and inspections as well as water management, mold remediation and basement dig-outs. It is a division of Lallygone, LLC, which was formed in 2008 by an structural engineer with extensive experience in civil engineering, structural remediation, and general construction.

"Yes, great professional service."

Will M on June 2024


Avatar for Cigano Engineering LLC

Cigano Engineering LLC

4.94(
8
)
Approved Pro

Cigano Engineering LLC

4.94(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

Cigano Engineering LLC, 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.

"Cigano identified a number of important changes to my architectural drawings to strengthen my structure (a car port). The changes recommended and implemented to my plans ensured my Town would issue a building permit. The Town had rejected my initial drawings and required its review and approval by a structural engineer or architect. Cigano really came through and its owner was easy to work with and highly professional. I would highly recommend Cigano."

David C on October 2023

Cigano Engineering LLC, 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.

"Cigano identified a number of important changes to my architectural drawings to strengthen my structure (a car port). The changes recommended and implemented to my plans ensured my Town would issue a building permit. The Town had rejected my initial drawings and required its review and approval by a structural engineer or architect. Cigano really came through and its owner was easy to work with and highly professional. I would highly recommend Cigano."

David C on October 2023


"Gave us some great advise during our foundation inspection and saved us a bunch of money!"

Jason Y on March 2024

Structural Workshop, LLC,is a Structural Engineering and Building Consulting Firm. We are the leading provider of Residential Structural and Foundation Inspections and Repairs in New Jersey.

"Gave us some great advise during our foundation inspection and saved us a bunch of money!"

Jason Y on March 2024


Avatar for J Guider & Associates, P.C.

J Guider & Associates, P.C.

4.64(
22
)
Approved Pro

J Guider & Associates, P.C.

4.64(
22
)
Approved Pro
Customers say: Quality work
27 years of experience

J Guider & Associates are licensed and insured engineers, consultants, and designers. We provide engineering & technical services to the public and private sectors. Our goal is: To assist our clients in a timely, cost effective management of resources. We strive to obtain solutions to complex problems. Our door is always open, give us a call.

"Had Jim come and look at my home as I needed an engineer to draft up a structural improvement. He wasted months of my time, dodged my phone calls (I had to call him with different numbers to get through), and he ultimately did not deliver what we agreed upon and no contractor said the designs he did deliver were feasible or even made sense for my needs. Do yourself a favor and look elsewhere."

J B on May 2021

J Guider & Associates are licensed and insured engineers, consultants, and designers. We provide engineering & technical services to the public and private sectors. Our goal is: To assist our clients in a timely, cost effective management of resources. We strive to obtain solutions to complex problems. Our door is always open, give us a call.

"Had Jim come and look at my home as I needed an engineer to draft up a structural improvement. He wasted months of my time, dodged my phone calls (I had to call him with different numbers to get through), and he ultimately did not deliver what we agreed upon and no contractor said the designs he did deliver were feasible or even made sense for my needs. Do yourself a favor and look elsewhere."

J B on May 2021


Avatar for Domus Company, LLC

Domus Company, LLC

5.00(
5
)
Approved Pro

Domus Company, LLC

5.00(
5
)
Approved Pro
3 years of experience
Free onsite estimate

Domus Company, LLC 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.

"Job was done correctly and the city accepted the drawings without revision. very efficient service."

Yaset E on September 2025

Domus Company, LLC 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.

"Job was done correctly and the city accepted the drawings without revision. very efficient service."

Yaset E on September 2025


VERIDIAN ENGINEERING LLC

5.00(
2
)
Approved Pro

VERIDIAN ENGINEERING LLC

5.00(
2
)
Approved Pro
Free onsite estimate

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!


Lahita Engineering, LLC

New on AngiNew on Angi
Approved Pro

Lahita Engineering, LLC

New on AngiNew on Angi
Approved Pro
15 years of experience
Free onsite estimate

Welcome to Lahita Engineering, LLC! Lahita Engineering, LLC, is your link to the best structural engineering design services and analysis in New Jersey. With over 8 years of experience, we offer custom design solutions for any commercial, residential, or industrial construction project.

Welcome to Lahita Engineering, LLC! Lahita Engineering, LLC, is your link to the best structural engineering design services and analysis in New Jersey. With over 8 years of experience, we offer custom design solutions for any commercial, residential, or industrial construction project.


Blackstone Engineering, PLLC

New on AngiNew on Angi
Approved Pro

Blackstone Engineering, PLLC

New on AngiNew on Angi
Approved Pro
1 years of experience
Free onsite estimate

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.

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.


Avatar for United Waterproofing Corp

United Waterproofing Corp

4.93(
220
)

United Waterproofing Corp

4.93(
220
)
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

United Waterproofing is a basement and foundation repair company based out of Dover-Rockaway NJ area that has been proudly serving homeowners for nearly 20 years! Our "hands on" experience, commitment and God’s grace has lead us to be the best and most reviewed waterproofing company in the state. Winner of the Angie’s List SSA from 2010 to 2018 with over 250 positive reviews. At United our mission is simple: to provide superior products and services to all our customers offering a 100% Lifetime Transferable Warranty. We do not use sub-contractors; you work with us the entire time! Financing options available and references available as well. We invite you to join the United Waterproofing family, we will not let you down!

"Excellent service; very professional. Since the waterproofing was done, have not had any problems with water in our basement."

Melinda M on April 2022

United Waterproofing is a basement and foundation repair company based out of Dover-Rockaway NJ area that has been proudly serving homeowners for nearly 20 years! Our "hands on" experience, commitment and God’s grace has lead us to be the best and most reviewed waterproofing company in the state. Winner of the Angie’s List SSA from 2010 to 2018 with over 250 positive reviews. At United our mission is simple: to provide superior products and services to all our customers offering a 100% Lifetime Transferable Warranty. We do not use sub-contractors; you work with us the entire time! Financing options available and references available as well. We invite you to join the United Waterproofing family, we will not let you down!

"Excellent service; very professional. Since the waterproofing was done, have not had any problems with water in our basement."

Melinda M on April 2022

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Structural Engineering questions, answered by experts

Indications include cracks in walls, uneven floors, and sticking doors or windows that suggest foundation movements.

First, most contractors will have a structural engineer create a report and plan for your project to ensure it’s safe to cut into the load-bearing wall. The contractor will then excavate around the wall, if necessary, measure the opening—allowing for additional space to fit and level the door, and then cut the doorway out. They will likely install a steel lintel as a header over the door for support. Once the doorway is cut out, they’ll demolish the concrete using sledge hammers and masonry chisels, clean up the surrounding concrete, and seal around the door with masonry mortar. 

Water can seep into porous materials like wood beams, floor joists, and roof rafters within minutes, but they’ll need to see prolonged exposure before you have structural damage. Mold can start growing within 24 hours, and mold can eat away at the structural components over time. Wood rot is more of a concern, though. Wet and dry rot are fungal infections that set in in moist conditions and rapidly deteriorate wood, causing major structural damage within just a few months in some cases.

Squeaky floors don’t always mean structural damage. Usually, it’s caused by friction somewhere inside your floor—whether it’s a loose floorboard or a gap between the subfloor and joists. If there is structural damage, you’ll notice other signs like soft or sagging floors, cracks that go from the wall to the ceiling, and horizontal cracks on your foundation.

On average, 6 inches of concrete can hold around 150 pounds per square foot, but the exact weight that 6 inches of concrete can hold depends on factors such as the type of concrete, the reinforcement method, soil conditions below, and structural design. If you’re concerned about the longevity of your concrete patio, walkway, or driveway, hire a professional to help you choose an appropriate concrete thickness and reinforcement method for your needs.

The Roseland, NJ homeowners’ guide to structural engineering services

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