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Find Engineer structural pros in Washington DC

Kamran Ohi P E
4.8(
176
)

Serving Washington DC, DC and surrounding areas

Approved

In business since 1978

Emergency services offered

Warranties offered

"It went great! Mr. Kamran responded quickly and professionally to visit a property we were selling that the buyer was trying to have us concede thousands for issues that were minor. For our piece of mind we hired Mr. Ohi who providedus with a verbal assessment which was very thorough and indicated only minor repairs were needed. When we had purchased the house the settlement cracks were already there and they had not changed in 13 years. What we did not know was that those cracks should always be filled in. It was an $800-1500 repair and the buyers had been told it could be $5000-25000 by their unprofessional home inspector, exaggerating hone inspector. Having Mr. Ohi’s evaluation, which he allowed us to videotape gave us strength to negotiate from a position of power. If we were buying a home with any suspected structural issues, we would definitely call upon him again. Very reasonable, accessible and accommodating. Wish all providers could be so professional. The key with Mr. Ohi is that he isn’t in the business to offer repair services so give so you get an independent and unbiased opinion. In short he was a terrific provider. Highly recommend."
Recommended by92%of homeowners
Avatar for OGV Structural Engineering, LLC
OGV Structural Engineering, LLC
5.0(
30
)

Serving Washington DC, DC and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Small jobs welcome

"I had a great experience working with Omid Gharavi of OGV Structural Engineering for structural engineering permit services for my home in Baltimore. He was knowledgeable, professional, and easy to work with. The drawings he prepared and stamped, along with the engineering letter, were approved by the county without issue, allowing me to move forward with my home project. I truly appreciate his expertise and would highly recommend his services."
Response time1 day
12 neighbors recently requested a quote
Recommended by35%of homeowners
Avatar for A & A Structures LLC
A & A Structures LLC
5.0(
14
)

Serving Washington DC, DC and surrounding areas

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
4.7(
18
)

Serving Washington DC, DC and surrounding areas

Approved

In business since 2017

Customers say: Quick response

"We hired Doug to check out some walls we wanted to remove but weren't sure whether they were load-bearing. He came by, took a look, opened up the wall in a few places, and had the signed and stamped engineer letter to us very shortly after that. Professional, responsive, and friendly service, we would use again."
Response time7 hrs
Response rate92%
1 neighbors recently requested a quote
Avatar for William Siegel
William Siegel
5.0(
2
)

Serving Washington DC, DC and surrounding areas

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. I work with homeowners, contractors, and design professionals to help move projects through the permit process by providing structural calculations, drawings, evaluations, and engineering letters as needed.\n\nIn-person structural inspections are available in Maryland, DC, and Northern Virginia. Remote structural consulting is available in Delaware and North Carolina.\n\nTypical projects include load-bearing wall removal, beam and header sizing, additions, decks, foundation concerns, and framing evaluations. My goal is to provide practical, code-compliant structural solutions that are clear, efficient, and tailored to the project.

Load Path Section
Framing Plan
Framing Plan
Details
Foundation Plan

+3

24 neighbors recently requested a quote
Rock-River Engineering
4.6(
5
)

Serving Washington DC, DC and surrounding areas

In business since 2004

Emergency services offered

Credit card accepted

"It went well. I was pleased with the services that they provided and the plan that they came up with. I had no trouble submitting it to the city in order to obtain a permit. They were easy to work with, even coming out on Saturday or Sunday, or the evenings - whatever worked with my schedule. They are really friendly, helpful and easy to get along with. It was a great experience and I plan to go to them for some additional work that I am planning on doing."
Recommended by100%of homeowners
Avatar for Arya Structures, LLC
Arya Structures, LLC
4.6(
23
)

Serving Washington DC, DC and surrounding areas

In business since 2020

Emergency services offered

Small jobs welcome

"I met with Arash of Arya Structures on the first day I called. He is extremely knowledgeable and I am so glad I called him. He explained the cause of new cracks showing up in the ceiling of my 20 year old addition, what needs to be done, and he recommended three companies who could perform the structural work needed. Iâ ve never used a structural engineer before. This needed more than cosmetic repair of cracks!"
Arya Structures, LLC
Arya Structures, LLC
Response time8 hrs
Response rate94%
Recommended by95%of homeowners
Showing 1-10 of 32
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

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