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TRUSTED BY GREENBELT, MD HOMEOWNERS

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    Average homeowner rating
  • Verified reviews icon93
    Verified structural engineering services reviews

Find Structural engineers in Greenbelt

Avatar for JES Foundation Repair

JES Foundation Repair

4.24(
338
)
Approved Pro

JES Foundation Repair

4.24(
338
)
Approved Pro
Customers say: Quality work
38 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 ANCO Engineering

ANCO Engineering

4.55(
20
)
Approved Pro

ANCO Engineering

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


Avatar for OGV Structural Engineering

OGV Structural Engineering

4.96(
23
)
Approved Pro

OGV Structural Engineering

4.96(
23
)
Approved Pro
Super Service Award
Customers say: True professional
27 local quotes requested
10 years of experience

OGV offers property condition assessments, due diligence, and existing conditions surveys. In addition to structural evaluations and investigations, as a Professional Structural Engineer License Holder (P.E.), we help and provide peer review, required documents, and permit inquiries for counties and local agencies.

"Omid, was very nice, arrived on time and was able to quickly identify which columns were load bearing columns, so that we could informed renovation decisions. He alo offered general useful information. We would use him again."

Jeanell H on September 2025

OGV offers property condition assessments, due diligence, and existing conditions surveys. In addition to structural evaluations and investigations, as a Professional Structural Engineer License Holder (P.E.), we help and provide peer review, required documents, and permit inquiries for counties and local agencies.

"Omid, was very nice, arrived on time and was able to quickly identify which columns were load bearing columns, so that we could informed renovation decisions. He alo offered general useful information. We would use him again."

Jeanell H on September 2025


Kamran Ohi P E

4.82(
155
)
Approved Pro

Kamran Ohi P E

4.82(
155
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
54 local quotes requested

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


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

No reviews yet

MT Engineering Services

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

5.00(
4
)

Dico-dry LLC

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


Zign Consulting

5.00(
12
)

Zign Consulting

5.00(
12
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are structural Engineers, our expertise include new building design, addition. Alteration, deck construction and underpinning of foundation and related works. We also provide inspections and permitting services Minimum Consultation fee including site visit is $400.00. This fee includes on site verbal finding and recommendation. For a written report signed and sealed by Professional Engineer, we charge additional fee starting from $500.00depending on scope of work. Structural design and drawing preparation fees vary based on the scope of work. We prepare permit ready drawings per the jurisdiction code requirement. We also provide permit expediting service for additional fee.

"Prior to any demolition work, I called on Zign Consulting to help me figure it out whether it would be simple or complicated to remove two walls that were separating the kitchen and living space. I really appreciated Sit's communication and responsiveness throughout; the day of the site visit she inspected the first floor and basement and provided sound advice. Based off of her recommendations, I removed the two walls without any issue and am currently enjoying my new open floor plan. I am happy to support a woman-owned, woman-run business and will call upon Sit and her team again for future projects."

Sandi T on February 2021

We are structural Engineers, our expertise include new building design, addition. Alteration, deck construction and underpinning of foundation and related works. We also provide inspections and permitting services Minimum Consultation fee including site visit is $400.00. This fee includes on site verbal finding and recommendation. For a written report signed and sealed by Professional Engineer, we charge additional fee starting from $500.00depending on scope of work. Structural design and drawing preparation fees vary based on the scope of work. We prepare permit ready drawings per the jurisdiction code requirement. We also provide permit expediting service for additional fee.

"Prior to any demolition work, I called on Zign Consulting to help me figure it out whether it would be simple or complicated to remove two walls that were separating the kitchen and living space. I really appreciated Sit's communication and responsiveness throughout; the day of the site visit she inspected the first floor and basement and provided sound advice. Based off of her recommendations, I removed the two walls without any issue and am currently enjoying my new open floor plan. I am happy to support a woman-owned, woman-run business and will call upon Sit and her team again for future projects."

Sandi T on February 2021


Avatar for Rinker Design Associates, P.C.

Rinker Design Associates, P.C.

No reviews yet

Rinker Design Associates, P.C.

No reviews yet
43 years of experience

Transportation/Utility Design, Traffic, Land Development and Planning, Surveying, Right-of-way Acquisition, Environmental, Construction Engineering and Inspection, Structural, Litigation Support

Transportation/Utility Design, Traffic, Land Development and Planning, Surveying, Right-of-way Acquisition, Environmental, Construction Engineering and Inspection, Structural, Litigation Support


Avatar for May Design Group LLC

May Design Group LLC

No reviews yet

May Design Group LLC

No reviews yet
8 years of experience

Architectural Building Design, Structural Design, Mechanical &Plumbing&Electrical Design, Custom Home Design, Interior Design, Deck Design, Construction Consulting, Permit Expediting, 3D Model Visualizing, and many more... May Design Group is composed of Licensed Architects and Engineers to serve in DC, MD, VA.

Architectural Building Design, Structural Design, Mechanical &Plumbing&Electrical Design, Custom Home Design, Interior Design, Deck Design, Construction Consulting, Permit Expediting, 3D Model Visualizing, and many more... May Design Group is composed of Licensed Architects and Engineers to serve in DC, MD, VA.

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Structural Engineering questions, answered by experts

The 10 10 rule describes the formula most contractors use to determine how much to charge for a job. Allowing for 10% overhead above the total projected cost to do the work and 10% profit sets a contractor up for success, even if there are delays or other problems on the project. This formula isn’t a hard-and-fast rule, but it is a ballpark figure to begin with when estimating your expenses on a job.

While concrete walls do not need to "breathe" in the traditional sense of the word, they do require waterproofing and dehumidifying methods, particularly in basements below the water table. Concrete both contains moisture from its initial installation and can absorb water when exposed. Ensuring proper basement ventilation , installing a vapor barrier, and controlling water exposure are all important tasks.

Yes, they offer plans for repairs or reinforcements to address issues.

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.

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

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.