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TRUSTED BY MERCER ISLAND, WA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon46
    Verified structural engineering services reviews

Find Structural engineers in Mercer Island

Avatar for Engineered Structures Global Design, PLLC
Engineered Structures Global Design, PLLC
4.6(
11
)
Engineer - Structural

Serving Mercer Island, WA and surrounding areas

Approved

In business since 2006

Customers say: Quick response

"ESG Design was great to work with. I contacted them through Home Advisor for an impartial assessment of the cause of cracks in my ceiling, plus a few other issues. Eli, the engineer, did a thorough inspection and developed a solid plan for repairs. ESG also offered two levels of fees, which was extremely helpful for my budget. Thank you ESG for the service and peace of mind!"
Finished
Finished
Vaulted hallway ceiling
Construction
Vaulted roof beam

+17

Response time4 days
Recommended by100%of homeowners
Avatar for Johnson Custom Builders
Johnson Custom Builders
4.9(
102
)
ArchitectDraftsperson/CADD

Serving Mercer Island, 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
4 neighbors recently requested a quote
Recommended by92%of homeowners
Design Build NW, LLC
5.0(
5
)
Draftsperson/CADD

Serving Mercer Island, WA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

At Design Build - Home Plans NW service is our number number one priority. We offer a complete process from Plans to Paint, end-to-end design, planning, and if desired construction of your home addition, custom or remodel. Do you just need plans drawn up to meet permitting standards? We can help in whole or in part.\n\nThere are two phases to a project, Soft Cost and Hard Cost. \n\nSoft Cost is the design process. Everything required to obtain a Building Permit, Survey, Engineering Inspection & Civil Engineering, As-Built, Design & Architectural, Permit coordination, etc. \n\nHard Cost is construction. Construction is made up of labor and materials. This includes, Demolition, Excavation, Foundation, Framing, Windows, Siding, Roofing, Electrical, Plumbing, HVAC, Insulation, and all the finish work. \n\nCall us to bring your dream into reality.

Construction
Framing Materials
Rear of Home
Master Bedroom
Rear of Home

+40

Response time1 day
Response rate97%
13 neighbors recently requested a quote
Avatar for McCann Structural Solutions
McCann Structural Solutions
4.8(
5
)
Engineer - Structural

Serving Mercer Island, WA and surrounding areas

Approved

In business since 1986

Emergency services offered

Small jobs welcome

"I've been fortunate to work with him for 20 years.He is an extremely qualified structural engineer and a competent individual! You can trust Mike to do a great job!!!"
Wall Removal Investigations
Snohomish Barn
Fire Damage repair
Structural Column Removal
Structural Column Removal

+7

Response time1 day
15 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for DesignWorks NW
DesignWorks NW
4.7(
12
)
ArchitectArchitect - For BusinessDraftsperson/CADD

Serving Mercer Island, WA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"We hired Char to help us design an addition to our home in Burien, WA. Our addition adds a 300 sq. ft master suite to our 1100 sq. ft house. Char built our trust quickly. She listened carefully to our concerns, and used her own creativity to make huge improvements to our original plans. Our project wouldn’t have looked the same without her input. Char incorporated very specific requests from us concerning noise reduction, and went above and beyond to research many solutions for us to choose from. Char communicated her schedule clearly, we always knew exactly what she was working on, her deliverables, and what we would discuss in our next meeting. We never had a meeting that wasn’t useful. Char helped us navigate the Burien permit process, making sure the drawing package was complete enough to pass the first time. She reached out to specific city officials ahead of time to anticipate any issues before permit submittal. Char created very detailed drawings and has exceptional drafting skills. She added more detail than required at every stage of the design to help us make critical decisions earlier in the process. Our hired GC complimented Char’s drawing package when we put it out for bid, saying it was better than many that he’s seen. We also hired Char to meet with contractors and review estimates. She was able to help us navigate what was a reasonable price and weed out any weird or misleading estimates. In summary, Char has been a fantastic resource for us and has helped make our first major home improvement project much less daunting."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Recommended by90%of homeowners
Avatar for Revival Architecture and Design, LLC
Revival Architecture and Design, LLC
5.0(
9
)
ArchitectArchitect - For Business

Serving Mercer Island, WA and surrounding areas

Approved

In business since 2018

Credit card accepted

Offers commercial services

"Josh has always been prompt and communicative with every interaction we've had. I initially got in touch with him about new construction design questions, and when we discovered that our current home porch posts had rotted through due to faulty design by the original home designer, Josh jumped into action. He had his engineer and construction crew to our door within 24 hours to take a look and put together a plan. He took my design ideas and brought them to life. He was transparent about all parts of the cost (to include his profit), and gave us to option to lower the cost by hauling away debris and painting the porch (which we were more than willing to do). Any delays with the work were met with a phone call and followup email if he didn't get through to either my husband or I immediately, and the construction crew did very high quality work. We were beyond pleased with his customer service! We will definitely use Revival Home Designs in the future when we decide to build our forever home."
Apartments - Chehalis, WA
Front
Rear
Cashmere Mixed Use
Exterior Option 2 Alternate Design

+1

Response time2 days
14 neighbors recently requested a quote
Recommended by25%of homeowners
Avatar for Refine Design Architecture
Refine Design Architecture
5.0(
8
)
Architect

Serving Mercer Island, WA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Refine Design is a residential architecture firm specializing in custom homes, additions, and major renovations throughout the Seattle, Bellevue, Redmond, and Snohomish areas. We believe great homes begin with understanding the people who live in them. Our collaborative process keeps homeowners involved from the earliest concepts through permitting and construction-ready plans.\n\nEvery project is shaped by the client's lifestyle, goals, budget, and the unique opportunities of the site. We focus on creating meaningful spaces that capture views, bring people together, and enhance daily living. Through thoughtful planning and design, we help clients maximize the value of their investment while creating architecture that feels timeless, functional, and uniquely their own.

Exterior Perspective
Exterior Perspective
Floor Plan
Exterior Perspective
Entry Perspective

+56

Response time2 days
Response rate100%
14 neighbors recently requested a quote
Avatar for Evolution Drafting
Evolution Drafting
3.6(
116
)
ArchitectDraftsperson/CADDArchitect - For Business

Serving Mercer Island, 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%
56 neighbors recently requested a quote
Avatar for BT Engineers LLC
BT Engineers LLC
5.0(
3
)
Engineer - StructuralDraftsperson/CADD

Serving Mercer Island, 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%
3 neighbors recently requested a quote
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Structural Engineering questions, answered by experts

Through detailed analysis of load paths, materials, and existing damages.

If you’re building new construction or adding onto your existing home, hiring a structural engineer is not only worth it but it’s probably required by your local building department. Structural engineers will ensure you aren’t making your home unsafe in the building process, which is crucial from a safety perspective but also a legal one. It’s also worth hiring a structural engineer if you’re making changes to structural components, like removing a load-bearing wall.

No, beams are the primary load-bearers for flooring or roofing systems, and they distribute the weight of the structure to your foundational supports, while joists bear far less weight and distribute their loads to the beams. Beams are usually thicker and longer, and they have support posts or foundation walls beneath them for support.

Precast concrete can be reinforced with rebar, wire mesh, or other materials to improve its strength and add stability. Precast concrete for large construction projects is often pre-stressed as well for greater structural strength. Reinforced concrete is durable and strong, making it an ideal choice for many construction projects.

Yes, they offer plans for repairs or reinforcements to address issues.

The Mercer Island, WA homeowners’ guide to structural engineering services

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