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    Average homeowner rating
  • Verified reviews icon557
    Verified structural engineering services reviews

Find Structural engineers in Longmont

Avatar for Groundworks

Groundworks

4686 Ivy St
4.32(
190
)
Approved Pro

Groundworks

4686 Ivy St
4.32(
190
)
Approved Pro
Customers say: Super punctual
36 local quotes requested
26 years of experience

Established in 1999, Groundworks Colorado stands as a trusted subsidiary of Groundworks, a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across the state of Colorado, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate!

"No they were not what I expected they were supposed to level out my driveway and sidewalk and they didn't do a very good job and they were supposed to come out and fix what they f. ed up and I have not seen them yet I spent 4,000.00$ and I will have to replace everything."

Jeffery P on May 2025

Established in 1999, Groundworks Colorado stands as a trusted subsidiary of Groundworks, a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across the state of Colorado, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate!

"No they were not what I expected they were supposed to level out my driveway and sidewalk and they didn't do a very good job and they were supposed to come out and fix what they f. ed up and I have not seen them yet I spent 4,000.00$ and I will have to replace everything."

Jeffery P on May 2025


Avatar for J2.26 Engineering, LLC

J2.26 Engineering, LLC

6937 W 83rd Way
4.33(
6
)
Approved Pro

J2.26 Engineering, LLC

6937 W 83rd Way
4.33(
6
)
Approved Pro
Customers say: Terrific value
16 local quotes requested
Free onsite estimate

J2.26 Engineering provides structural engineering inspection, design, and advice. We pride ourselves in providing these services with a personal manner for a reasonable cost. J2.26 can provide consultations in new build construction projects, remodels to homes, and Real Estate transactions.

"Unfortunately, our experience with Dan was about as bad as it could be. We were given a timeline of 5 weeks in mid February and, after months of ignored emails, finally received drawings in mid-June, 17 weeks later. Once submitted for permitting, the county realized that the snow load information was incorrect and rejected the plans. Frustrating to say the least. In discussing the requisite changes over the phone, Dan seemed unaware of fairly standard industry terms in residential construction (rake wall, difference between ceiling joist and roof rafter, cut roof vs truss, etc) which made us uncomfortable, to say the least. Keep in mind, this is after months of radio silence and considering we'd have to start from scratch with another engineer. Things were discussed three, four times and necessary changes still not made. Fortunately we work with our building department a lot, and these can be addressed in the field. I understand that delays happen. I understand that things can get complicated, often quickly. That said, I expect a level of professionalism, communication, and competence when paying someone for their service. You're a smart consumer and will do as you wish, but we will never, under any circumstance, be using Dan and J2.26 Engineering ever again."

Corbin C on September 2020

J2.26 Engineering provides structural engineering inspection, design, and advice. We pride ourselves in providing these services with a personal manner for a reasonable cost. J2.26 can provide consultations in new build construction projects, remodels to homes, and Real Estate transactions.

"Unfortunately, our experience with Dan was about as bad as it could be. We were given a timeline of 5 weeks in mid February and, after months of ignored emails, finally received drawings in mid-June, 17 weeks later. Once submitted for permitting, the county realized that the snow load information was incorrect and rejected the plans. Frustrating to say the least. In discussing the requisite changes over the phone, Dan seemed unaware of fairly standard industry terms in residential construction (rake wall, difference between ceiling joist and roof rafter, cut roof vs truss, etc) which made us uncomfortable, to say the least. Keep in mind, this is after months of radio silence and considering we'd have to start from scratch with another engineer. Things were discussed three, four times and necessary changes still not made. Fortunately we work with our building department a lot, and these can be addressed in the field. I understand that delays happen. I understand that things can get complicated, often quickly. That said, I expect a level of professionalism, communication, and competence when paying someone for their service. You're a smart consumer and will do as you wish, but we will never, under any circumstance, be using Dan and J2.26 Engineering ever again."

Corbin C on September 2020


Avatar for Level Engineering- CO

Level Engineering- CO

320 Cleveland Ave
4.61(
281
)
Approved Pro

Level Engineering- CO

320 Cleveland Ave
4.61(
281
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
10 years of experience

At LEVEL Engineering, we are committed to common sense, real-world engineering solutions. We started LEVEL because, after years in the building industry, we continued to see something missing that cost homeowners and businesses untold stress and frustration. Contractors lost time and money, and realtors and lenders could not satisfy their client's needs. We decided to do something about it, and LEVEL Engineering was founded. We serve your interests and provide knowledgeable, expert inspection, analysis, recommendation, and reporting. Whether you need help with permits, forensics, a foundation evaluation, new or repaired engineered designs, or an inspection for your peace of mind - let us help you navigate your structural engineering projects.

"Great working with Chris"

Kervin M on August 2024

At LEVEL Engineering, we are committed to common sense, real-world engineering solutions. We started LEVEL because, after years in the building industry, we continued to see something missing that cost homeowners and businesses untold stress and frustration. Contractors lost time and money, and realtors and lenders could not satisfy their client's needs. We decided to do something about it, and LEVEL Engineering was founded. We serve your interests and provide knowledgeable, expert inspection, analysis, recommendation, and reporting. Whether you need help with permits, forensics, a foundation evaluation, new or repaired engineered designs, or an inspection for your peace of mind - let us help you navigate your structural engineering projects.

"Great working with Chris"

Kervin M on August 2024


Avatar for J2.26, LLC

J2.26, LLC

5765 Olde Wadsworth Boulevard, Unit 28
4.69(
13
)
Approved Pro

J2.26, LLC

5765 Olde Wadsworth Boulevard, Unit 28
4.69(
13
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
30 local quotes requested

Daniel 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. Due to the nature of this service and the liability involved, there is a consultation fee associated with scheduling an appointment.

"Our building hired J2.26 to conduct an engineering report, and the experience was incredibly frustrating and disappointing. Dan, the engineer, visited our property on July 17, 2024, and we paid promptly for the service. Despite that, and after at least six emails and phone calls from our property manager over the following months, we never received the report. Over a year later, on July 28, 2025, I went to their office in person to get answers. Dan was rude, dismissive, and offered no apology. His only excuse was that the job had ?fallen through the cracks.? That level of disregard for a paid service is unacceptable. He agreed to return to our property and conduct a new scan at no additional charge, which he did the next day. While we finally received a report on August 19, 2025, it still did not include the original report we had paid for in 2024. The lack of communication, professionalism, and accountability from J2.26 is baffling. I would not recommend this company to anyone."

Madison C on September 2025

Daniel 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. Due to the nature of this service and the liability involved, there is a consultation fee associated with scheduling an appointment.

"Our building hired J2.26 to conduct an engineering report, and the experience was incredibly frustrating and disappointing. Dan, the engineer, visited our property on July 17, 2024, and we paid promptly for the service. Despite that, and after at least six emails and phone calls from our property manager over the following months, we never received the report. Over a year later, on July 28, 2025, I went to their office in person to get answers. Dan was rude, dismissive, and offered no apology. His only excuse was that the job had ?fallen through the cracks.? That level of disregard for a paid service is unacceptable. He agreed to return to our property and conduct a new scan at no additional charge, which he did the next day. While we finally received a report on August 19, 2025, it still did not include the original report we had paid for in 2024. The lack of communication, professionalism, and accountability from J2.26 is baffling. I would not recommend this company to anyone."

Madison C on September 2025


Avatar for Innovative Structural Services

Innovative Structural Services

13719 West Amherst Way
4.72(
46
)
Approved Pro

Innovative Structural Services

13719 West Amherst Way
4.72(
46
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 years of experience

Innovative Structural Services provides the most professional structural engineering and CAD drafted designs in the Rocky Mountain Region. We're backed by 12 years of experience. Give us a call today!

"He was very good"

Jesse A on September 2022

Innovative Structural Services provides the most professional structural engineering and CAD drafted designs in the Rocky Mountain Region. We're backed by 12 years of experience. Give us a call today!

"He was very good"

Jesse A on September 2022


Envision Custom Homes

1005 S. 120th Street, Unit 201
No reviews yet

Envision Custom Homes

1005 S. 120th Street, Unit 201
No reviews yet

Create the home of your dreams with our full scale design-build team. As a high performance building company, sustainability and energy efficiency are a key focus in every project. We are the leading net zero builder in the area, with our Lead Project Manager having over 20 years experience in the field.

Create the home of your dreams with our full scale design-build team. As a high performance building company, sustainability and energy efficiency are a key focus in every project. We are the leading net zero builder in the area, with our Lead Project Manager having over 20 years experience in the field.


Matrix Technology Services

OKC
No reviews yet

Matrix Technology Services

OKC
No reviews yet
12 years of experience

Matrix Technology Services is an Oklahoma grown company founded and operated by a born and raised Oklahoma Veteran. Our commitment to quality and customer satisfaction will not be matched. With over 20 years of experience in electronics and low voltage wiring, we bring a unique combination of abilities and qualifications. We are a Bicsi Certified company. Knowledge and education are an integral part of our operation and philosophy. We seek to provide only the most qualified ICT cabling professionals in the industry. Contact us today to see how we can improve your ICT experience.

Matrix Technology Services is an Oklahoma grown company founded and operated by a born and raised Oklahoma Veteran. Our commitment to quality and customer satisfaction will not be matched. With over 20 years of experience in electronics and low voltage wiring, we bring a unique combination of abilities and qualifications. We are a Bicsi Certified company. Knowledge and education are an integral part of our operation and philosophy. We seek to provide only the most qualified ICT cabling professionals in the industry. Contact us today to see how we can improve your ICT experience.


Quantum Structural Engineering & Design, LLC

105 E 3rd Ave
No reviews yet

Quantum Structural Engineering & Design, LLC

105 E 3rd Ave
No reviews yet

Quantum Structural Engineering & Design, LLC works with real estate professionals, contractors, and homeowners throughout Wyoming, Northern Colorado, and Eastern Nebraska to make their vision a reality. Whether you are wanting a custom home or update an existing property, we can help. Our services range from providing documents for construction and interior designing consulting, to smaller-scale support with inspections and observations for project feasibility.

Quantum Structural Engineering & Design, LLC works with real estate professionals, contractors, and homeowners throughout Wyoming, Northern Colorado, and Eastern Nebraska to make their vision a reality. Whether you are wanting a custom home or update an existing property, we can help. Our services range from providing documents for construction and interior designing consulting, to smaller-scale support with inspections and observations for project feasibility.


DCP, LLC Residential Engineering

7050 W 120th Ave
No reviews yet

DCP, LLC Residential Engineering

7050 W 120th Ave
No reviews yet
16 years of experience

DCP is owned and operated by Steven W. Hughes, currently of Broomfield, Colorado. He graduated with a Bachelor of Science degree in Architectural Engineering from Drexel University in Philadelphia, Pennsylvania in 1995. He has been involved with the construction industry in one form or another since 1993. Steve is an engineer who seeks practical solutions to everyday construction problems. Many engineers see only a textbook solution and are therefore limited in their creative ability. While these types of solutions are not wrong, they are often excessive and costly. Approaching the same problem from a “whole house” perspective often allows other solutions to present themselves. Steve continually strives to come up with realistic, workable solutions that ease the construction process. And he also willingly accepts input from the men in the field. Sometimes the best and easiest solutions come from those hardworking people on the job site.

DCP is owned and operated by Steven W. Hughes, currently of Broomfield, Colorado. He graduated with a Bachelor of Science degree in Architectural Engineering from Drexel University in Philadelphia, Pennsylvania in 1995. He has been involved with the construction industry in one form or another since 1993. Steve is an engineer who seeks practical solutions to everyday construction problems. Many engineers see only a textbook solution and are therefore limited in their creative ability. While these types of solutions are not wrong, they are often excessive and costly. Approaching the same problem from a “whole house” perspective often allows other solutions to present themselves. Steve continually strives to come up with realistic, workable solutions that ease the construction process. And he also willingly accepts input from the men in the field. Sometimes the best and easiest solutions come from those hardworking people on the job site.


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Structural Engineering questions, answered by experts

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.

Structural engineers typically conduct inspections during a home sale or renovation, looking for signs of structural damage in various structures throughout the building, such as load-bearing walls, joists, beams, roofing trusses, foundations, and chimneys. Some of the warning signs that structural engineers check for include:

  • Dry rot

  • Infestation

  • Shifting or cracking foundations

  • Erosion

  • Water damage

  • Sagging, shifting, or damaged walls, ceilings, or roofing support

Their expertise in identifying potential problems early and implementing durable solutions safeguards your home’s integrity.

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.

Structural engineers draw structural plans, which include detailed drawings of the structural components of a home only. Complete house plans will require additional work from an architect or draftsperson, whose drawings will take the structural drawings into account. They’ll also include more details about the finishing materials and layout of a home, including everything from roofing and flooring materials to the position of furniture, light fixtures, switches, and plumbing fixtures.

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The Longmont, CO homeowners’ guide to structural engineering services

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