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TRUSTED BY SEATTLE, WA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon46
    Verified structural engineering services reviews

Top-Rated Structural engineers in Seattle - Updated Nov 2026

Avatar for Consulting Structural Engineering Services, Inc. (CSES)
Consulting Structural Engineering Services, Inc. (CSES)
4.1(
86
)
Engineer - Structural

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
36 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Johnson Custom Builders
Johnson Custom Builders
4.9(
102
)
Draftsperson/CADDArchitect

Serving Seattle, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Warranties offered

"Ryan and team did a fantastic job of helping us with a project to repair a beam that was structurally unsound. We were kept very well informed of all key events and as usual (we’ve worked with Ryan several times) everything went without a hitch. Ryan and team do an outstanding job, and we would not hesitate to work with them again."
Remodeling - General Project
Remodeling - Kitchen & Bathroom Project
Remodeling - General Project
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project

+75

Response time11 hrs
6 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for GS Engineering, PLLC
GS Engineering, PLLC
5.0(
2
)
Engineer - Structural

Serving Seattle, WA and surrounding areas

Approved

In business since 2016

Credit card accepted

Offers commercial services

"GS engineering, and Sim Singh in particular have been fantastic to work with. I am a general contractor and have had to hire a number of structural firms over time. Sim offers a very rare combination of a high level of skill in a highly technical field (specifically engineering) a high level of professionalism, and an overall pleasant personality/demeanor. As long as he has the time to take my calls, it is doubtful that I would ever call a different structural engineer than Sim."
Plans
Response time2 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for McCann Structural Solutions
McCann Structural Solutions
4.8(
5
)
Engineer - Structural

Serving Seattle, WA and surrounding areas

Approved

In business since 1986

Emergency services offered

Small jobs welcome

"Mr. McCann came out to assess the water and carpenter ant damage to a wall and foundation sill plate of our home. He was able to quickly evaluate the problem area and provide the structural engineering report and repair task list we needed to get contractor bids on the reconstruction project. Highly recommended."
Wall Removal Investigations
Snohomish Barn
Fire Damage repair
Structural Column Removal
Structural Column Removal

+7

Response time1 day
16 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Revival Architecture and Design, LLC
Revival Architecture and Design, LLC
5.0(
10
)
ArchitectArchitect - For Business

Serving Seattle, WA and surrounding areas

Approved

In business since 2018

Credit card accepted

Offers commercial services

"I highly recommend Revival! Josh has successfully completed remodel, residential and large commercial projects for us. They are easy to work with, very efficient with their time, and extremely knowledgable of the code. Every experience with them exceeded our expectations. I highly recommend them for any type or scale of architecture work."
Apartments - Chehalis, WA
Front
Rear
Cashmere Mixed Use
Exterior Option 2 Alternate Design

+1

Response time2 days
13 neighbors recently requested a quote
Recommended by22%of homeowners
Avatar for Evolution Drafting
Evolution Drafting
3.7(
128
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Seattle, WA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I am having a full master bath and kitchen remodel done with new layouts in both rooms and knocking out a wall. Evolution worked with me to quickly get a drawing done of the new layouts so that the contractor could get started on the project. They made sure to include me in the process so that the design would be done exactly as my wife and I envisioned. They communicated effectively throughout the process and were always courteous and professional. I recommend them to anyone with drafting needs."
Zeal Floor Plan
Charcoal
Palm Floor Plan
Charcoal Floor 2
Charcoal Floor 1

+23

Response time1 day
Response rate100%
66 neighbors recently requested a quote
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Structural Engineering FAQs, answered by experts

Completing structural engineering projects in Seattle offers immediate benefits like improved home safety and better protection against earthquakes and heavy storms. In the short term, you may see increased property value and easier insurance approval. Over time, these upgrades help prevent major structural damage, lower maintenance needs, and ensure your home remains compliant with evolving building codes, contributing to a safer, more resilient neighborhood.

Helpful?

In Seattle, structural engineering maintenance should include scheduled foundation inspections, especially for homes in neighborhoods like Queen Anne or Magnolia with steep slopes. Annual checks of seismic retrofitting hardware and regular assessments of crawl spaces for moisture intrusion are vital due to the region’s wet climate. Pay close attention to wood framing in basements and retaining walls, as these areas are especially vulnerable to rot, shifting soils, and water seepage.

Helpful?

Combining structural engineering projects with upgrades like insulation, plumbing, or electrical work in Seattle can minimize disruption and maximize efficiency. For example, if you’re opening walls for seismic retrofitting, it’s a great time to update wiring or add vapor barriers. Coordinating projects during Seattle’s dry season helps avoid weather delays, and bundling improvements can streamline the permit process and reduce the overall construction timeline.

Helpful?

Seattle homeowners should factor in the city’s variable soil types, high groundwater, and risk of earthquakes when planning structural engineering work. Properties in neighborhoods with steep slopes or near bodies of water may require specialized drainage solutions. Additionally, historic districts may have unique permitting requirements. Scheduling projects during the summer helps avoid rain-related delays, and working with local experts ensures your plans suit Seattle’s distinct geology.

Helpful?

Your Seattle home may need structural engineering if it’s older, especially pre-1970s, or located in areas with soft soils or steep grades. Signs like uneven floors, gaps around windows, or visible foundation cracks often indicate underlying issues. Homes in neighborhoods prone to landslides or with a history of flooding should be professionally evaluated, particularly if you’re planning a remodel or have noticed new settling after heavy rainfall.

Helpful?

The Seattle, WA homeowners’ guide to structural engineering services

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