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TRUSTED BY JOHNSTON, RI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon15
    Verified structural engineering services reviews

Top-Rated Structural engineers in Johnston - Updated Nov 2026

Taddonio Engineering, LLC
4.8(
347
)
Engineer - Structural

Serving Johnston, RI 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%
351 neighbors recently requested a quote
Avatar for M. Kinne Designs, LLC
M. Kinne Designs, LLC
5.0(
26
)
Draftsperson/CADD

Serving Johnston, RI and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

M. Kinne Designs L.L.C. \nWe uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. We also accept PayPal !

Brick Wall Bar Concept
Brick Wall Bar Concept
Garage Addition
Garage Addition
Garage Addition

+7

1 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for M. Kinne Designs, LLC
M. Kinne Designs, LLC
5.0(
26
)
Draftsperson/CADD

Serving Johnston, RI and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Small jobs welcome

"This young man has great ideas and helps you design a dream room. He was one of few that got back to me in a timely manner . Which is very impressive because most companies take their time . He is fast and efficient in doing his plans . His price for the finished product was very reasonable unlike other companies. I would definitely recommend M. Kinne Architectural Drawings, LLC"
Pavilion with Retaining Wall
Measurements
Realistic vs. Concept
Lighting Concept
Ground Level

+12

Response time11 hrs
Response rate95%
15 neighbors recently requested a quote
Avatar for R-Squared LLC
R-Squared LLC
5.0(
12
)
Engineer - StructuralDraftsperson/CADD

Serving Johnston, RI and surrounding areas

Approved

In business since 2001

Free estimates

Credit card accepted

"Came out and gave me definitive steps to resolve any potential issues I could have from a recent renovation and helped me understand why I was seeing some cracks in key places in the home. Very knowledgeable will be using again for future projects."
LVL and Steel beam design
Site plans
FOUNDATION PLAN
ELEVATION
Longitudinal Section

+22

Response time2 days
2 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Evolution Drafting
Evolution Drafting
3.7(
128
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Johnston, RI 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%
66 neighbors recently requested a quote
Avatar for APEX Drafting LLC
APEX Drafting LLC
3.5(
8
)
Draftsperson/CADDArchitect

Serving Johnston, RI 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
289 neighbors recently requested a quote
Avatar for B6 Home and Barn
B6 Home and Barn
5.0(
1
)
Draftsperson/CADD

Serving Johnston, RI and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

We’re a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!

Response time11 hrs
Response rate88%
4 neighbors recently requested a quote
Avatar for UCS Construction and Design
UCS Construction and Design
New to Angi
Draftsperson/CADD

Serving Johnston, RI and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

We are new company just getting started I have a team of licensed professionals I work with. We are very well rounded in our field of work. Doing everything from small handyman repair and installation work to full remodels and renovations. No matter how big or small the job is we are here to help and give great prices and discounts to help home owners and other professionals. Always leaving up to code, quality work, and satisfied customers behind. We also do custom work such as Accent/feature walls that give a home that unique and elegant feel to it.

Avatar for EMPC Construction
EMPC Construction
New to Angi
Draftsperson/CADD

Serving Johnston, RI and surrounding areas

Approved

Hi, I’m EDUIN,\n\nI am an experienced handyman with a professional background in architecture and property maintenance. This unique combination allows me to look at your home not just as a set of repairs, but as a complete structural system. I bring a high level of technical precision to every task.\n\nMy Experience:\n\nI have spent years working across both the design and physical upkeep sectors. My transition from architecture to hands-on maintenance means I understand the "why" behind how your home was built, which helps me solve problems more effectively than a standard quick-fix approach. From structural integrity to aesthetic finishes.\n\nWhere I Work\n\nI am based in Cape Cod, MA, and I proudly serve the local community. I am also available to travel to surrounding areas within a 30-mile radius for larger projects or scheduled maintenance.\n\nSpecial Skills & Expertise;\n\nArchitectural Insight: Ability to read blueprints and understand the structural needs of older and modern homes.

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Structural Engineering FAQs, answered by experts

The 10 10 rule describes the formula most contractors use to determine how much to charge for a job. Allowing for 10% overhead above the total projected cost to do the work and 10% profit sets a contractor up for success, even if there are delays or other problems on the project. This formula isn’t a hard-and-fast rule, but it is a ballpark figure to begin with when estimating your expenses on a job.

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.

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.

The essential difference between an architect and an engineer is that architects typically focus more on the aesthetic design of buildings, although not without consideration for the structural integrity of the building. Engineers focus more on the structural, technical, and practical aspects of whether and how an architectural design can be built as drawn. You may need to hire both types of professionals if you’re designing and building a new home.

In many areas, advice from a structural engineer or an architect will be required by your building department before you can remove a wall, but even if it’s not necessary, it’s a good idea. Accidentally removing a load-bearing wall—even if a general contractor advises that it’s safe—can cause major structural damage, putting you and your family at risk and potentially costing thousands or tens of thousands of dollars in property damage.

The Johnston, RI homeowners’ guide to structural engineering services

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