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    Verified structural engineering services reviews

Find Structural engineers in Langley Park

Avatar for JES Foundation Repair

JES Foundation Repair

7940 Gainsford Court
4.24(
338
)
Approved Pro

JES Foundation Repair

7940 Gainsford Court
4.24(
338
)
Approved Pro
Customers say: Quality work
32 local quotes requested
32 years of experience

Established in 1993, JES 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 Virginia and Maryland, we bring our local expertise closer to you. JES 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 JES, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! 410516000653 (DC) | 50637 (MD) | WV027473 (WV)

"JES was very professional and easy to work with from the beginning to the end of our basement project. Eric was very knowledgeable, and exceedingly helpful in answering our questions and making us feel comfortable with the choices we made. The crew that did the work were quick, clean, and extremely efficient. We were very happy with everything they did!"

Andrea M on October 2025

Established in 1993, JES 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 Virginia and Maryland, we bring our local expertise closer to you. JES 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 JES, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! 410516000653 (DC) | 50637 (MD) | WV027473 (WV)

"JES was very professional and easy to work with from the beginning to the end of our basement project. Eric was very knowledgeable, and exceedingly helpful in answering our questions and making us feel comfortable with the choices we made. The crew that did the work were quick, clean, and extremely efficient. We were very happy with everything they did!"

Andrea M on October 2025


Avatar for S&S Waterproofing And Foundation Repair

S&S Waterproofing And Foundation Repair

5318 Longbow Rd
5.00(
38
)
Approved Pro

S&S Waterproofing And Foundation Repair

5318 Longbow Rd
5.00(
38
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 local quotes requested

At S&S Waterproofing we have over 25+ years of combined experience in Waterproofing and foundation repair. We never use sub-contractors and aren't a franchise owned company that uses high pressure sales tactics. We are a certified foundation repair specialist and install hydraulic push piers and helical piers. We offer a lifetime transferable warranty and free inspections.

"Steve was great to work with - knowledgeable, flexible with scheduling, and always available to answer questions. His crew was courteous and efficient. We are very happy with the results. Highly recommend!"

Nadine T on January 2024

At S&S Waterproofing we have over 25+ years of combined experience in Waterproofing and foundation repair. We never use sub-contractors and aren't a franchise owned company that uses high pressure sales tactics. We are a certified foundation repair specialist and install hydraulic push piers and helical piers. We offer a lifetime transferable warranty and free inspections.

"Steve was great to work with - knowledgeable, flexible with scheduling, and always available to answer questions. His crew was courteous and efficient. We are very happy with the results. Highly recommend!"

Nadine T on January 2024


Avatar for AA Action Waterproofing Inc

AA Action Waterproofing Inc

805 Barkwood Court
4.82(
352
)
Approved Pro

AA Action Waterproofing Inc

805 Barkwood Court
4.82(
352
)
Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
11 local quotes requested

We strive to exceed your expectations in waterproofing, mold remediation and foundation repair. We take pride in our work, that’s why we don’t employ subcontractors. We understand there are a lot of choices out there when choosing a certified installer – we hope you choose us! Protect your home and health from mold and mildew invaders. In our 28 years of experience, we have never encountered a wet basement, crawlspace encapsulation or mold removal condition that we couldn’t handle. Give us a call today for a free, no obligation inspection and professional basement waterproofing system tailored for your home or commercial project. AA Action Waterproofing is licensed, insured and bonded with a A+ Rating with the BBB. Please call us and we’ll happily supply you with references.

"Our 25+ year-old French drain system in our 100-year-old basement was showing signs of failure, so we contacted several companies to get advice on what to do. Jason of AA Action was very professional and helpful when he performed his initial inspection of our basement, and had very good ideas on what needed to be done. The price he quoted for the work was also, based on what we had read, reasonable. We ended up going with another company recommended by Angi, but only because it brought up a couple of options that we had not thought of, and we felt comfortable with them doing the extra work. We were not at all unhappy with AA Action's suggestions or pricing - it's just that the other company's additional ideas made sense for our circumstances."

John A on June 2024

We strive to exceed your expectations in waterproofing, mold remediation and foundation repair. We take pride in our work, that’s why we don’t employ subcontractors. We understand there are a lot of choices out there when choosing a certified installer – we hope you choose us! Protect your home and health from mold and mildew invaders. In our 28 years of experience, we have never encountered a wet basement, crawlspace encapsulation or mold removal condition that we couldn’t handle. Give us a call today for a free, no obligation inspection and professional basement waterproofing system tailored for your home or commercial project. AA Action Waterproofing is licensed, insured and bonded with a A+ Rating with the BBB. Please call us and we’ll happily supply you with references.

"Our 25+ year-old French drain system in our 100-year-old basement was showing signs of failure, so we contacted several companies to get advice on what to do. Jason of AA Action was very professional and helpful when he performed his initial inspection of our basement, and had very good ideas on what needed to be done. The price he quoted for the work was also, based on what we had read, reasonable. We ended up going with another company recommended by Angi, but only because it brought up a couple of options that we had not thought of, and we felt comfortable with them doing the extra work. We were not at all unhappy with AA Action's suggestions or pricing - it's just that the other company's additional ideas made sense for our circumstances."

John A on June 2024


Avatar for Best Buy Waterproofing, LLC

Best Buy Waterproofing, LLC

8950 State Route 108
4.93(
43
)
Approved Pro

Best Buy Waterproofing, LLC

8950 State Route 108
4.93(
43
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
32 local quotes requested

With over 30 years experience in Basement Waterproofing and Mold Remediation services, Andrew A. Altman, Sr. Is a top rated veteran with a proven record beyond belief! In fact the certified, professional Staff has a combined experience of over 60 years. When you hire Best Buy Waterproofing, you are hiring the very best in the industry! They have the WIT attitude ( Whatever It Takes ) and customer satisfaction is their #1 priority as they are "Comitted To Excellence!" Best Buy Waterproofing is licensed, bonded, insured, and certified. They have earned the reputation of standing behind their incredible work and customer satisfaction. They offer free estimates and the very best financing available. They even have No payments & No Interest for 18 months! Best Buy Waterproofing stands behind their lifetime of the structure warranty on their systems. Also on all sump pump systems and their intelligent battery back ups! Best Buy is the ONLY company who offers this kind of warranty on those services as Strength is their Foundation! If you need a dry basement certificate, call us immediately. We are operational 24/7 365!

"Dan was highly professional and offered an excellent evaluation of my needs. He actually went into the crawl space to better understand my needs. A good neighbor and a person to know. Thank you."

Arsalan S on November 2024

With over 30 years experience in Basement Waterproofing and Mold Remediation services, Andrew A. Altman, Sr. Is a top rated veteran with a proven record beyond belief! In fact the certified, professional Staff has a combined experience of over 60 years. When you hire Best Buy Waterproofing, you are hiring the very best in the industry! They have the WIT attitude ( Whatever It Takes ) and customer satisfaction is their #1 priority as they are "Comitted To Excellence!" Best Buy Waterproofing is licensed, bonded, insured, and certified. They have earned the reputation of standing behind their incredible work and customer satisfaction. They offer free estimates and the very best financing available. They even have No payments & No Interest for 18 months! Best Buy Waterproofing stands behind their lifetime of the structure warranty on their systems. Also on all sump pump systems and their intelligent battery back ups! Best Buy is the ONLY company who offers this kind of warranty on those services as Strength is their Foundation! If you need a dry basement certificate, call us immediately. We are operational 24/7 365!

"Dan was highly professional and offered an excellent evaluation of my needs. He actually went into the crawl space to better understand my needs. A good neighbor and a person to know. Thank you."

Arsalan S on November 2024


Kamran Ohi P E

1025 Jefferson St NW
4.78(
165
)
Approved Pro

Kamran Ohi P E

1025 Jefferson St NW
4.78(
165
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
47 years of experience

Small business, self employed, use subcontractors that I can trust, minimum consultation and visit fee $295. That includes, site visit, inspection, and a verbal on site report and follow up with contractors as needed . The fee for site visit and inspection is a flat fee, basically it is the charge to drive to your location and provide a verbal report. This fee does not include a written formal report. A written report is approximately an additional $300. I work evenings and weekends as needed, structural, architectural and mechanical design, inspections and reports, fronsic, expert witness. Please contact by phone or email: [email protected]. I will be on Vacation from July 9th till July 25th

"Kamran was easy to coordinate with and schedule the inspection. He was prompt and thorough with his review. His write-up was completed in a couple of days without any follow-up being required."

Andrew C on May 2025

Small business, self employed, use subcontractors that I can trust, minimum consultation and visit fee $295. That includes, site visit, inspection, and a verbal on site report and follow up with contractors as needed . The fee for site visit and inspection is a flat fee, basically it is the charge to drive to your location and provide a verbal report. This fee does not include a written formal report. A written report is approximately an additional $300. I work evenings and weekends as needed, structural, architectural and mechanical design, inspections and reports, fronsic, expert witness. Please contact by phone or email: [email protected]. I will be on Vacation from July 9th till July 25th

"Kamran was easy to coordinate with and schedule the inspection. He was prompt and thorough with his review. His write-up was completed in a couple of days without any follow-up being required."

Andrew C on May 2025


"everything good"

John J on September 2023

Structurist Consulting Engineers, PLLC provides a wide array of structural engineering services and design in collaboration with Architects, building designers, general contractors, developers and private property owners.

"everything good"

John J on September 2023


Avatar for Apac Engineering, Inc.

Apac Engineering, Inc.

2110 Seminary Rd.
4.74(
75
)
Approved Pro

Apac Engineering, Inc.

2110 Seminary Rd.
4.74(
75
)
Approved Pro
Customers say: Quick response
20 years of experience

Welcome to APAC Engineering, Inc. It is our goal to provide structural engineering services to the residential community. We strive to bring knowledgeable and courteous service to homeowners, real estate agents, and homebuilders. Our mission is to provide excellent engineering quickly and at a fair price. There are several reasons for hiring a structural engineer to look at your home. First, you may have a crack in your foundation that you're concerned about. Next, a contractor might have proposed an expensive repair to your home stating that it was a structural issue. Finally, a home inspector might have noticed a structural defect in your home and recommended that a structural engineer look at it. There are many good reasons to hire an engineer but the biggest advantage to a homeowner is that the engineer does not perform the construction work. Therefore a structural engineer does not have the conflict of interest that a contractor would have when recommending work. On the contrary, it is our goal to reduce construction costs to save you money while a contractor wants to increase construction costs to improve his bottom line.

"Robert was thorough and knowledgable. Very helpful! We would definitely call on him again. A great guy and a great job!"

Marcia B on May 2013

Welcome to APAC Engineering, Inc. It is our goal to provide structural engineering services to the residential community. We strive to bring knowledgeable and courteous service to homeowners, real estate agents, and homebuilders. Our mission is to provide excellent engineering quickly and at a fair price. There are several reasons for hiring a structural engineer to look at your home. First, you may have a crack in your foundation that you're concerned about. Next, a contractor might have proposed an expensive repair to your home stating that it was a structural issue. Finally, a home inspector might have noticed a structural defect in your home and recommended that a structural engineer look at it. There are many good reasons to hire an engineer but the biggest advantage to a homeowner is that the engineer does not perform the construction work. Therefore a structural engineer does not have the conflict of interest that a contractor would have when recommending work. On the contrary, it is our goal to reduce construction costs to save you money while a contractor wants to increase construction costs to improve his bottom line.

"Robert was thorough and knowledgable. Very helpful! We would definitely call on him again. A great guy and a great job!"

Marcia B on May 2013


Avatar for Triple J Consulting, LLC

Triple J Consulting, LLC

12021 Golden Twig Ct
4.87(
56
)
Approved Pro

Triple J Consulting, LLC

12021 Golden Twig Ct
4.87(
56
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
12 local quotes requested

With years of experience in the engineering industry, we are the experts you need to take care of your home or business. We handle all of your structural needs with great care. We will treat your home as we would treat our own. Give Triple J Consulting, LLC a call today, we look forward to working with you!

"Scam Company. BEWARE. The positive reviews are fake. Believe the other one star review. I will be filing a claim in small claims court against them and the better business bureau. They collect your money and then go MIA. We paid for a site visit and then they promised to provide us with drawings and several weeks later not a single word. Contact me and I will show you texts and emails."

Melissa W on May 2025

With years of experience in the engineering industry, we are the experts you need to take care of your home or business. We handle all of your structural needs with great care. We will treat your home as we would treat our own. Give Triple J Consulting, LLC a call today, we look forward to working with you!

"Scam Company. BEWARE. The positive reviews are fake. Believe the other one star review. I will be filing a claim in small claims court against them and the better business bureau. They collect your money and then go MIA. We paid for a site visit and then they promised to provide us with drawings and several weeks later not a single word. Contact me and I will show you texts and emails."

Melissa W on May 2025


We are a full service company that can handle any day to day project to major renovations, We specialize in waterproofing, window washing and power washing.


MT Engineering Services

11901 Molly Pitcher Cir
No reviews yet

MT Engineering Services

11901 Molly Pitcher Cir
No reviews yet

Our engineering firm specializes in providing professional Civil Engineering services in both the public and private sectors for construction and development projects including Geotechnical Eng., Pavement Eng., and Construction Materials Testing and Inspection. MTES provides tailored geotechnical exploration and investigation services to our clients designed to fit the need and scope Our services include: Geotechnical Investigations Foundation inspection and repair Deep Foundation Design for Bridges, High-Rises, and other Structures Slope Stability Analyses Geotechnical Instrumentation Structural design and inspection Observation and Testing of Compacted Fill and (Site) Earthworks Observation and Logging of Drilled Shaft Excavations and Construction Coordination and Implementation of Full-Scale Shaft Load Testing Observation of Pile Foundation Systems Vibration Monitoring Peer Reviews

Our engineering firm specializes in providing professional Civil Engineering services in both the public and private sectors for construction and development projects including Geotechnical Eng., Pavement Eng., and Construction Materials Testing and Inspection. MTES provides tailored geotechnical exploration and investigation services to our clients designed to fit the need and scope Our services include: Geotechnical Investigations Foundation inspection and repair Deep Foundation Design for Bridges, High-Rises, and other Structures Slope Stability Analyses Geotechnical Instrumentation Structural design and inspection Observation and Testing of Compacted Fill and (Site) Earthworks Observation and Logging of Drilled Shaft Excavations and Construction Coordination and Implementation of Full-Scale Shaft Load Testing Observation of Pile Foundation Systems Vibration Monitoring Peer Reviews

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Structural Engineering questions, answered by experts

Provides expert analysis, ensuring safety and compliance with building codes.

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. 

Many horizontal cracks in home foundations result from water and soil pressure from outside of the building or from a footing that is shifting. Under those circumstances, horizontal cracks are a structural problem that requires repair before they become worse and more difficult to fix. However, in very specific cases, thin horizontal cracks may simply be a cosmetic blemish due to concrete shrinkage.

Trusses and rafters each have advantages and disadvantages, so one isn’t necessarily better than the other. For example, trusses are more affordable and often come in prefabricated kits, so they’re easier to build than rafters. However, rafters are available in a variety of designs, so it’s easier to find one that fits your style preferences. Plus, if you want to build an attic at some point down the line, it’s far easier to do that with rafters rather than trusses.

Through detailed analysis of load paths, materials, and existing damages.

The Langley Park, MD homeowners’ guide to structural engineering services

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