Top-rated structural engineers.

Best structural engineers near Washington, CT

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Verified Reviews for Structural Engineering pros in Washington, CT

*The Angi rating for Structural Engineering companies in Washington, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

*The HomeAdvisor rating for Structural Engineering companies in Washington, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

Last update on September 27, 2026

Top-Rated Structural engineers in Washington - Updated Nov 2026

Taddonio Engineering, LLC
4.8(
347
)
Engineer - Structural

Serving Washington, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Small jobs welcome

Credit card accepted

"In renovating our beach cottage in Warwick, RI we found the roof needed structural work. Building inspector required a structural engineered plan. Adam was easy to communicate with. He was timely with his plan and follow up inspection. He was also available by text and phone for questions during the project. He was great to work with!"
Response time1 day
Response rate86%
372 neighbors recently requested a quote
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Avatar for ZS Design Architect
ZS Design Architect
5.0(
13
)
ArchitectArchitect - For BusinessDraftsperson/CADD

Serving Washington, CT and surrounding areas

Approved

In business since 1994

Credit card accepted

Customers say: True professional

"I am a contractor that has used ZS design for years now. Every job that I have done ZS has been available on a very level available. Their knowledge goes beyond just providing drawings. They are willing to work with you step by step as a question come about and any issues during the build occur. It’s nice to be able to make a quick call and they are immediate available. Highly recommend their services to builders/contractors and especially home owners who at times have trouble finding that necessary first step to begin their projects."
Finished Kitchen
After front elevation
After Front View
After front view
Existing ugly duckling front view

+88

Response time12 hrs
Response rate100%
Recommended by100%of homeowners
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Avatar for Valerio Giadone Architect, LLC
Valerio Giadone Architect, LLC
5.0(
18
)
Architect

Serving Washington, CT and surrounding areas

Approved

In business since 2020

Customers say: Quality work

"Valerio was great to work with, he really helped me execute ideas I had for an open concept floor plan and brought fresh out of the box ideas to help me achieve my ideal space. Heâ s very timely, flexible and makes sure youâ re comfortable with all the steps along the way. Highly recommend him."
House move
21 Ashley Street
First Floor
Interior open space plan
Kitchen

+5

Response time3 hrs
Response rate97%
1 neighbors recently requested a quote
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Avatar for Evolution Drafting
Evolution Drafting
3.7(
127
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Washington, CT and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"They were excellent. They quickly made a draft that only needed 3 minor adjustments. The final product was exactly what I needed. They referred me to a structural engineer for review. The whole process took half of the time that they initially estimated. I would definitely use them again."
Zeal Floor Plan
Charcoal
Palm Floor Plan
Charcoal Floor 2
Charcoal Floor 1

+23

Response time1 day
Response rate100%
75 neighbors recently requested a quote
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Avatar for Laura Lievano Architect
Laura Lievano Architect
5.0(
5
)
ArchitectArchitect - For Business

Serving Washington, CT and surrounding areas

Approved

In business since 2015

Free estimates

Small jobs welcome

"Laura is very personable and gets the job done in an efficient manner. She did a professional drawing/ layout for a building permit for my house in Bridgeport,CT. There were not any discrepancies. And she has reasonable prices!😀 Very satisfied customer! Thank you Laura"
After - Front
New Front Porch
Schematic Design
After - New Sunroom
Existing

+10

Response time2 days
Recommended by60%of homeowners
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Avatar for Roger Greenwald Architect
Roger Greenwald Architect
4.0(
13
)
ArchitectArchitect - For Business

Serving Washington, CT and surrounding areas

Approved

In business since 1987

Offers commercial services

Customers say: True professional

"great working relationship great quality of work"
New Home Lake Residence
Custom Home
Lakeside House Bathroom
Addition to 1923 Tudor House
Family Room/Master Bedroom Addition

+10

Response time1 day
27 neighbors recently requested a quote
Recommended by41%of homeowners
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Avatar for Cardinal Design
Cardinal Design
4.8(
5
)
Draftsperson/CADD

Serving Washington, CT and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"With the help of Cardinal Design my family was able to have a new home designed specifically for all of our day to day needs. Very happy with all of their services. The 3D drawings were very helpful."
New House
New House
New House
Response time2 days
Recommended by100%of homeowners
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Avatar for M. E. Johnson & Associates, LLC
M. E. Johnson & Associates, LLC
4.1(
9
)
Draftsperson/CADD

Serving Washington, CT and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

"I had a great experience working with Mr. Johnson. He came up with excellent ideas for adding a bedroom, bathroom, and deck to my home, and the layout is beautiful. I?m excited to get the project started!"
Project Photos
Response time1 day
1 neighbors recently requested a quote
Recommended by50%of homeowners
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Avatar for APEX Drafting LLC
APEX Drafting LLC
3.9(
7
)
Draftsperson/CADDArchitect

Serving Washington, CT and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

We have a single mission: Complete Customer Satisfaction! We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience. \nYou will find us to be competitively priced with close attention to the details. \nOur reputation is based on service, safety, and quality, regardless of how large or small the job. \nWe look forward to building a lasting relationship and guarantee your satisfaction! \n

Plan set 1
245 neighbors recently requested a quote
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Avatar for Rob White Architect, LLC
Rob White Architect, LLC
4.3(
5
)
ArchitectArchitect - For Business

Serving Washington, CT and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Rob was top notch. Not only did he took on our project last minute, he managed to finish it very fast and efficiently."
Kitchen
Kitchen / Dining Areas
Kitchen / Dining Areas
Kitchen / Family Living Areas
Before Picture (Kitchen Area)

+36

Response time8 hrs
Recommended by100%of homeowners
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Showing 1-10 of 48
Structural Engineering FAQs, answered by experts

A structural engineer’s report is almost always worth it, as it can help you avoid buying or overpaying for a home with structural issues. The most important thing the report does for you is provide peace of mind that you won’t have to pay thousands of dollars for structural repairs right after closing on a property.

A structural engineer evaluates any structural components, like floors, foundations, walls, and roofs, to ensure they can support the structure. They also consider the soil quality in your area, potentially extreme weather conditions, and proximity to bodies of water and groundwater to ensure your building can withstand any stresses placed on it by the surrounding environment. Structural engineers work on both new and existing buildings.

A freestanding brick wall that's only one brick thick can usually stand six to eight feet high. If you need a higher wall, it should be at least two bricks thick for adequate stability, and it might require a footing to support the added weight. Additionally, some areas have regulations and codes dictating how high a brick wall can be, so check with local code enforcers to ensure your proposed wall complies with any regulations.

A 4-inch-thick concrete slab can support around 4,000 pounds per square foot if a contractor reinforces the slab with rebar, while that same slab without reinforcements will support closer to 1,000 pounds. For the purposes of a patio, 4 inches in thickness without reinforcement should suffice unless you’re installing heavy kitchen equipment or a hot tub on it. In those cases, reinforcing your slab and sticking with 4 inches of thickness should provide plenty of strength.

Costs depend on material choices, labor, and the extent of structural modifications.

The Washington, CT homeowners’ guide to structural engineering services

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

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