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Find Engineer structural pros in Washington DC

Kamran Ohi P E
4.8(
156
)

Serving Washington DC, DC and surrounding areas

Angi Approved

In business since 1978

Emergency services offered

Warranties offered

"Kamran dd a fantastic job. He reached out to me quickly and had his associate come by to look at the walls I was removing. I received an estimate for the work. Kamran worked extra long on the project to help me utilize the beams that I had pre purchased. I would recommend anyone who need a professional engineer recommendation to use OHI engineering "
Recommended by93%of homeowners
Avatar for OGV Structural Engineering, LLC
OGV Structural Engineering, LLC
5.0(
27
)

Serving Washington DC, DC and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Small jobs welcome

"Omid provided a very detailed report on our structural home assessment. He addressed our concerns and provided suggestions on how to best manage them. Omid provides a very professional service and is very welcoming to all questions one may have. His attention to detail and thorough explanations kept my wife and I well informed. We’re very happy with his exceptional service."
Response time1 day
9 neighbors recently requested a quote
Recommended by37%of homeowners
Avatar for A & A Structures LLC
A & A Structures LLC
5.0(
12
)

Serving Washington DC, DC and surrounding areas

Angi Approved

In business since 2015

Emergency services offered

Small jobs welcome

"I had a great experience working with A & A Structures LLC for the structural engineering work on my home renovation in Bethesda. They were easy to work with, extremely fast, and delivered permit-ready documents that were clearly tailored for Montgomery County DPS—right down to the correct file naming conventions, which matters more than people realize. When the county requested minor revisions, A&A responded immediately, made the updates without hesitation, and even worked directly with my developer to clarify requirements. All of this was handled under the original fee, which I felt was an excellent value. Professional, responsive, and clearly experienced with Montgomery County’s approval process—I would absolutely recommend them and would use them again without hesitation."
Response time4 hrs
Response rate95%
7 neighbors recently requested a quote
Double-D Consulting Engineers
4.9(
12
)

Serving Washington DC, DC and surrounding areas

Angi Approved

In business since 2017

Customers say: Quick response

"Doug was extremely professional, courteous and provided a detailed and timely analysis report for my use. When I called his company he listened carefully, set up an appointment for the next day and arrived on time. I would definitely hire him again and will recommend him to my neighbors and anyone else."
Response time7 hrs
Response rate92%
Recommended by100%of homeowners
Zign Consulting Engineers, LLC
5.0(
3
)

Serving Washington DC, DC and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2014

Emergency services offered

Small jobs welcome

"Working with Zign Consulting has been the bright spot in an otherwise complex construction project. From the beginning, Zign Consulting was everything you hope for: honest, direct, highly capable, and urgent. After months of delays and complications caused by a previous architect, Zign Consulting stepped in and immediately brought clarity and direction. They swiftly got our plans completed and approved by DCRA—something the original architect struggled with for nearly a year. Their communication was transparent, their timelines were accurate, and their professionalism was unmatched. If you're looking for an architectural consultant who will advocate for your project and get things done the right way, Zign Consulting is the firm to hire. I can't recommend them enough."
Response time10 hrs
22 neighbors recently requested a quote
Avatar for William Siegel
William Siegel
New to Angi

Serving Washington DC, DC and surrounding areas

Angi Approved

Free estimates

Small jobs welcome

Offers commercial services

I am a licensed Professional Engineer providing structural engineering services for residential and small commercial projects. Much of my work involves helping homeowners and contractors move renovation and construction projects through the permit process by providing structural calculations, drawings, and engineering evaluations where required.\n\nTypical projects include load-bearing wall removal, beam and header sizing, structural design for additions and decks, and evaluations of foundation or framing concerns. I also provide engineering letters and reports often requested by building departments, contractors, or home buyers during real estate transactions.\n\nMy goal is to provide clear, practical engineering that helps a project move forward safely and efficiently. I work directly with homeowners, contractors, and architects to understand the project and develop straightforward structural solutions that meet building code requirements.

Load Path Section
Framing Plan
Framing Plan
Details
Foundation Plan

+3

3 neighbors recently requested a quote
Avatar for Kemp Home Inspections, LLC
Kemp Home Inspections, LLC
5.0(
49
)

Serving Washington DC, DC and surrounding areas

Credit card accepted

"We needed a structural engineer to inspect the foundation of a home that we are purchasing and were recommended to contact Kemp. We are so glad that we did. Greg provided first class service. He was thorough and took the time to explain each step that he was taking, the purpose behind it, the potential results and what each could mean, and finally the actual results. He also took the time to educate us on some of the basic indicators of good and deficient or damaged home foundations. He was very personable and is great at making complex information simple enough for novices to understand. He also provided the inspection report almost immediately. We highly recommend Greg and his company’s services."
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+2

Recommended by100%of homeowners
Avatar for Cabido Design & Build
Cabido Design & Build
4.6(
423
)

Serving Washington DC, DC and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"Victor Bernard and their team took on a complex double bathroom renovation project in a 100 year old row home and did excellent work addressing the many unexpected challenges as we proceeded with demo, including rebuilding floor joists inappropriately damaged from a past renovation. While this of course made for a much longer project than planned, the quality of work was excellent and we love our new bathrooms."
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+59

Recommended by88%of homeowners
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FAQs for engineer structural projects in Washington DC, DC

To determine if a wall is load-bearing, start by checking your home’s original plans or asking a structural engineer. Exterior walls always carry weight, but interior ones only do if they sit over a beam or run perpendicular to floor joists. If a wall lines up with posts in the basement or falls directly under the roof ridge, assume it’s load-bearing and call a professional before attempting to remove it with a sledgehammer.

Calculating the wall load and sizing the beam must be performed by experts to ensure structural safety. You need a structural engineer to evaluate all load aspects and determine the proper beam dimensions. A professional engineer performs precise calculations and advises on any necessary enhancements, such as larger footings for support. An inspector then verifies that the revised structure meets all safety and code regulations before the finishing work begins.

Hiring a structural engineer is essential for ensuring your home remains structurally sound during any major renovation. Their responsibility is to deliver expert assessments and design recommendations for load-bearing modifications. The average cost to hire a structural engineer is $500, with rates ranging from $350 to $800. Consulting a licensed, experienced engineer guarantees that every structural project, whether constructing a new home or remodeling an existing one, is completed safely and efficiently.

Almost all load-bearing wall removals require a permit as they support everything above it, and building departments want proof that the new beam can handle the weight. Pulling a permit triggers plan review and inspections that confirm the work meets local code and safety standards. Skipping this step can lead to fines or being forced to rebuild later, so have your contractor pull the permit before work starts.

Removing a load-bearing wall to create an entrance for a carport or covered patio is a task that comes with defined cost implications. This modification requires extra structural adjustments to ensure safety and proper integration with the adjoining space. When you convert a wall into an entryway, you can expect to pay between $3,200 and $9,500, with an average cost of $6,400. The additional work required for this conversion reinforces the home’s integrity and ensures compliance with applicable building codes.

The Washington DC, DC homeowners’ guide to engineer structurals

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