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  • Verified reviews icon93
    Verified structural engineering services reviews

Find Structural engineers in Greenbelt

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 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 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 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


Avatar for ANCO Engineering

ANCO Engineering

8700 Rosaryville Road
4.55(
20
)
Approved Pro

ANCO Engineering

8700 Rosaryville Road
4.55(
20
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
37 years of experience

We're a well established business with over 22 years of unmatched expertise. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Call ANCO Engineering, Inc., today and we'll be there in your time of need.

"Anthony was very quick to respond and to schedule a site visit. He is personable and was patient with my questions."

John B on January 2022

We're a well established business with over 22 years of unmatched expertise. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Call ANCO Engineering, Inc., today and we'll be there in your time of need.

"Anthony was very quick to respond and to schedule a site visit. He is personable and was patient with my questions."

John B on January 2022


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


Avatar for Dico-dry LLC

Dico-dry LLC

5550 Tuxedo Rd
5.00(
4
)

Dico-dry LLC

5550 Tuxedo Rd
5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

DICO DRY Waterproofing Services Is a Division of DICO Inc., and has become highly specialized in the maintenance and repair of foundations, with over half a century of experience ensuring that the foundation and basement of your home are solid, dry and healthy. If you have a problem with your foundation or basement, call us. An experienced professional will come to your home, at no cost to you, inspect and diagnose your problem. You will receive solid assessment from an expert, with no gimmicks or offers, just the correct and exact recommendation

"Exceptional. The team did a tremendous job. Very professional and meticulous in everything that they did. From the site visits to the finished product, it was a pleasant experience. I highly recommend them."

David S on May 2021

DICO DRY Waterproofing Services Is a Division of DICO Inc., and has become highly specialized in the maintenance and repair of foundations, with over half a century of experience ensuring that the foundation and basement of your home are solid, dry and healthy. If you have a problem with your foundation or basement, call us. An experienced professional will come to your home, at no cost to you, inspect and diagnose your problem. You will receive solid assessment from an expert, with no gimmicks or offers, just the correct and exact recommendation

"Exceptional. The team did a tremendous job. Very professional and meticulous in everything that they did. From the site visits to the finished product, it was a pleasant experience. I highly recommend them."

David S on May 2021

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Structural Engineering questions, answered by experts

Most structural engineers offer free quotes, regardless of the size of the job. For simple inspections when buying or selling a home, engineers typically charge a flat fee that may be based solely on your home’s foundation type and square footage. For larger projects, like new construction and major home renovations, an engineer will either perform an analysis of your project and site and provide you with a formal estimate, or they will do a more in-depth assessment and in-person site inspection before coming up with a per-hour or per-project cost estimate. In most cases, the estimate is free.

Costs depend on material choices, labor, and the extent of structural modifications.

No, a structural engineer is not the same as a builder. A structural engineer is an expert in all things related to the structural integrity of a building. The structural engineer is responsible for calculating the correct materials in terms of load-bearing capacity and overall structural safety. Structural engineers do not perform the actual building of the house or other structures. Rather, the builder executes the plans and designs specified by the structural engineer.

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.

A split-level home is one that has several staggered floors connected by short staircases, while a split floor plan separates the primary bedroom from the rest of the bedrooms. Split floor plans are most often found in single-story homes, while split-level homes are always at least two stories.

The Greenbelt, MD homeowners’ guide to structural engineering services

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