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Find Engineer structural pros in Seattle

Avatar for Consulting Structural Engineering Services, Inc. (CSES)
Consulting Structural Engineering Services, Inc. (CSES)
4.4(
75
)

Serving Seattle, WA and surrounding areas

Approved

In business since 1992

Free estimates

Small jobs welcome

"John came out and looked at several issues, determined them to be cosmetic not structural and wrote a certified letter to that effect. We got great peace of mind from his visit."
 broken deck
 Structural assessment
  Structural assessment
  Structural assessment
  Structural assessment

+8

Response time1 day
38 neighbors recently requested a quote
Recommended by89%of homeowners
Washington Engineering
4.1(
30
)

Serving Seattle, WA and surrounding areas

Approved

In business since 2007

Small jobs welcome

Credit card accepted

"I had the pleasure of working with Bryson on a recent project, and I couldn’t be more impressed with their work. From start to finish, Bryson demonstrated extensive knowledge and expertise in structural engineering. They took the time to understand the project’s unique needs and provided clear, practical solutions that ensured everything was both safe and efficient. One of the standout qualities was their excellent communication. They kept me informed at every stage, answering questions promptly and offering advice when needed. Even when challenges arose, Bryson approached them with professionalism and a problem-solving mindset, ensuring that the project stayed on track. The quality of the work was exceptional. Every detail was carefully considered, and I felt confident in the structural integrity of the design. Bryson truly went above and beyond, offering both technical skill and a genuine commitment to the project’s success. Thank you and I look forward to working with you again. "
Response time2 days
33 neighbors recently requested a quote
Recommended by23%of homeowners
Avatar for BT Engineers LLC
BT Engineers LLC
5.0(
3
)

Serving Seattle, WA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"BT Engineers LLC did the tenant improvement design for our new space, and they did an amazing job. Our permits were approved very quickly. They were responsive and helpful throughout the whole process! I would highly recommend them!"
Elevation
Structural Plan
V Elevation
Tree Strike
Response time7 hrs
Response rate100%
5 neighbors recently requested a quote
Triple V Consultants & Associates
3.9(
20
)

Serving Seattle, WA and surrounding areas

Approved

In business since 2003

Small jobs welcome

Credit card accepted

"I used Triple V as the Project Engineer for a garage conversion to single family residence for my son’s family. Vic not only did the engineering for us, he also did the structural drawings we submitted to the county as part of our permit package. He delivered the plans promptly, and worked collaboratively with us to resolve issues we identified and revise the drawings accordingly. The county building department approved the plans and issued the permit. During the project construction Vic patiently responded to questions from us (we’re DIY’ers, not professional builders) and offered/provided certifications to revisions we jointly agreed to. Overall, Triple V provided what was promised at an outstanding value."
Response time1 day
51 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for ESG Design
ESG Design
4.9(
75
)

Serving Seattle, WA and surrounding areas

In business since 2006

Free estimates

Warranties offered

"ESG was very professional. Showed up on time and did a detailed inspection which included climbing up into the crawlspace. We found out our walls we wanted to remove were not load-bearing. We tore them down without any structural issues the following weekend."
Recommended by98%of homeowners
Avatar for A-1 NW Partners Concrete Construction
A-1 NW Partners Concrete Construction
5.0(
50
)

Serving Seattle, WA and surrounding areas

In business since 1980

Free estimates

Emergency services offered

"Tommy and his team constructed a beautiful rounded edge concrete retaining wall at my house. They did a GREAT job on the wall and the outcome was far better then I ever expected. I am thoroughly impressed and would recomment A1NW Partners to everyone. Reuben was the engineer/architect on the job and he answered every question I had and communicated with me throughout the project. Both he and Tommy made me feel at ease with the project and were very thoughtful and kind from start to finish. Again, I highly recommend this company."
Recommended by98%of homeowners
QUIRK
5.0(
6
)

Serving Seattle, WA and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"Michael (Quirk) provided an expert opinion on foundation cracks <br /> and installed a monitor on one of the cracks. <br /> We needed two services: <br /> First - we have in our house a couple of cracks in the foundation <br /> and also on garage floor. We wanted an expert opinion on these cracks, to help <br /> us make the right decision. In many cases people tend to contract a contractor <br /> for these kind of inspections and they end up paying thousands of dollars for <br /> un-needed work. Our view is to contract a neutral expert like Michael <br /> (architect or foundation expert) to have an expert opinion and then decide what <br /> to do. <br /> Second ? we needed a letter for insurance company proving <br /> the house is bolted. <br /> Michael showed on time and dedicated quite some time for a <br /> thorough inspection of the foundation. <br /> His explanations were excellent and in a language we could <br /> understand. He provided a written report with recommendations (nothing to worry <br /> thankfully), and one crack he installed a small monitor to be checked once a <br /> year to make sure the crack does not expand. <br /> He provided also a letter for the insurance company <br /> confirming the house is bolted and as a bonus he recommended us small fixing <br /> that needs to be done. <br /> I am happy we contracted an expert like Michael, he gave us <br /> solid advice and a confidence we needed. <br /> I strongly recommend him, he is a thorough professional, honest and charges fair prices. <br />"
Recommended by100%of homeowners
J Welch Engineering LLC
5.0(
3
)

Serving Seattle, WA and surrounding areas

Free estimates

Warranties offered

"Josh came out for an hour to talk through how moving the staircase might go. He was polite, professional, prompt. I paid him for an hour of his time ($125). I ended up using a different structural engineer because Josh was booked 13 weeks out and I wanted to get my permit more quickly than that. His overall quote for the work was around $1000, which seemed very reasonable to me. He was patient when answer all of my MANY questions. He was very understanding and polite when I told him I would be using a different engineer."
Recommended by100%of homeowners
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FAQs for engineer structural projects in Seattle, WA

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 Seattle, WA homeowners’ guide to engineer structurals

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