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4.4

(144 reviews)

Top-rated structural engineers.

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Kamran Ohi P E
4.8(
177
)

Serving Washington, 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."
1 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for OGV Structural Engineering, LLC
OGV Structural Engineering, LLC
5.0(
30
)

Serving Washington, DC and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Small jobs welcome

"OGV Structural Engineering was fast, efficient, and highly professional. They delivered exactly what was needed with clear communication and great attention to detail. I would definitely recommend them."
Response time1 day
8 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 and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"We have several disconcerting cracks on the walls, around window frames, and around the fireplace, both horizontal and vertical, and we wanted a structural engineer to evaluate. A&A Structures responded extremely promptly and the engineer, Yahya Alibadi, agreed to come the same day. He was a pleasure to deal withâ extremely knowledgeable, friendly, and down to earth, patiently answering all our questions, no matter how tangential.. He spent more than two ours inspecting the house inside and out, explained what he saw, the options for fixing the problem, and followed it up with a long, thorough, and clear report that we will share with the contractor who will be doing the repairs. We later had an email exchange and phone conversations to clarify some points further, and he continued to be extremely helpful. We are planning some construction work on the house soon, and we will definitely hire A&A again. Highly recommend."
Response time4 hrs
Response rate95%
9 neighbors recently requested a quote
Avatar for Structurist Consulting Engineers
Structurist Consulting Engineers
4.7(
22
)

Serving Washington, DC and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Bashir and Noorullah were a pleasure to work with. They were very detailed, providing a full set of plans to have a load-bearing wall removed in my home. Bashir was attentive and he and Noorullah answered all my questions. I would have no problem providing a strong recommendation for Structurist for any structural engineering needs especially when it comes to your home."
Stair and foundations
Deck Plan
Segmented Retaining wall with Geogrids
Custom Build home
Response time4 hrs
8 neighbors recently requested a quote
Recommended by100%of homeowners
Double-D Consulting Engineers
4.7(
18
)

Serving Washington, 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 Bitarchitects
Bitarchitects
5.0(
15
)

Serving Washington, DC and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Credit card accepted

"Terry, Noor, and the whole team were incredibly professional and helpful with my project. I needed them to draft plans for an existing structure and they produced an outstanding bundle for me to submit to the county. The process was collaborative and they kept me informed on how things were going and what additional information they needed, and they also were great about including elements I wanted to see reflected in the plans. I highly recommend them and will likely hire them again if and when I decide to put an addition on my home."
Existing Cabin
1012 HANDY AVE
Leonard Remodel
HOFFMAN NEW RESIDENCE
The Mil Corporation

+1065

Response time2 days
Response rate94%
8 neighbors recently requested a quote
Avatar for Willoughby Design, LLC
Willoughby Design, LLC
5.0(
14
)

Serving Washington, DC and surrounding areas

Approved

In business since 2013

Free estimates

Offers commercial services

"Todd has been a pleasure to work with. We asked him for help in designing plans for a renovation for our 1960s home. The existing home had a one-car garage, and we wanted to expand that to a two-car garage and add an extra room for a second work-from home office, as both my husband and myself work remotely. After reviewing our lotâ s survey, it was discovered that we were too close to the property line to expand the current garage, which necessitated putting the new garage on the other side of the house. This added another layer of complexity to the project, as we now needed to incorporate the existing single-car garage space into our home as usable living area. Todd listened to our ideas for repurposing the space, and provided good recommendations of his own. As others have mentioned, he worked well with our builder and quickly answered questions from the county permit office, expediting the permit approval process. We would have no hesitation in using Todd for our next project."
Eagle's Nest
Eagle's Nest
Eagle's Nest
Eagle's Nest
Eagle's Nest

+12

Response time2 days
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for William Siegel
William Siegel
5.0(
2
)

Serving Washington, 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

21 neighbors recently requested a quote
Avatar for AK Jones Design
AK Jones Design
4.5(
16
)

Serving Washington, DC and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"I was having problems getting a permit 4 an elevator instalation in my home. AK did the engineer drawing and assisted me thru the complicated PG County permit process. I am extremely satisfied. HK D"
Response time8 hrs
Response rate91%
4 neighbors recently requested a quote
Avatar for Myriad Studio LLC
Myriad Studio LLC
5.0(
7
)

Serving Washington, DC and surrounding areas

Approved

In business since 2020

Free estimates

Offers commercial services

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!\n\n

Dental Office Renovation
Dental Office Renovation
Dental Office Renovation
Dental Office Renovation
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Structural Engineering questions, answered by experts

In Washington, consider whether your property falls within a historic district, as this may affect design choices and approvals. Evaluate soil conditions, especially if your area has clay or high water tables, which impact foundation repair strategies. Be mindful of zoning restrictions, flood risks, and neighborhood notification requirements. Also, plan for limited street parking, strict construction noise rules, and seasonal weather that could affect project timelines.

Helpful?

In DC, expect the design and permitting phase for structural engineering projects to take three to six months, particularly if your home is in a historic district. Construction timelines vary: foundation repair might require several weeks, while full structural renovations can take several months. Weather delays and high demand during peak seasons can extend schedules, so always allow extra time for inspections and approvals.

Helpful?

For structural engineering projects in DC, high-strength concrete and advanced waterproofing systems are crucial for stable foundations, particularly in areas with clay soil. Engineered lumber and steel beams provide strong, reliable framing. Moisture-resistant materials and effective drainage help manage the local climate. If you’re renovating a historic home, reclaimed wood and traditional masonry techniques maintain structural integrity while preserving original character.

Helpful?

Washington homeowners can choose from large engineering firms, boutique residential structural engineers, and contractors specializing in seismic retrofitting or foundation repair. Some general contractors have expertise in structural upgrades, while others focus on historic renovations. For complex projects, you may need specialists in underpinning, steel fabrication, or concrete work, especially if your home is older or located in a historic neighborhood.

Helpful?

Completing structural engineering projects in Washington offers immediate benefits like improved safety and compliance with local building codes, which can streamline the permit process. Over time, these upgrades boost your property’s value, enhance earthquake resilience, and strengthen foundation stability—especially important for older homes. Thoughtful structural improvements also make future renovations simpler and help your home meet historic preservation standards unique to Washington.

Helpful?

The Washington, DC homeowners’ guide to structural engineering services

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