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TRUSTED BY WASHINGTON, OK HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon18
    Verified structural engineering services reviews

Find Structural engineers in Washington

Ascended Constructions
New to Angi
ArchitectDraftsperson/CADD

Serving Washington, OK and surrounding areas

Approved (Corporate)

In business since 2023

Offers commercial services

We’re a family owned and operated company that values honesty and integrity, and stands behind our work. We offer over 40 years of industry experience. We specialize in Asphalt Shingle Roofing installation, replacement, and repairs. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

1 neighbors recently requested a quote
Avatar for Terraform Development & Design LLC
Terraform Development & Design LLC
New to Angi
ArchitectDraftsperson/CADD

Serving Washington, OK and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Offers commercial services

Terraform Development & Design LLC, delivers expert permit-ready architectural plans and drafting services nationwide. With 8+ years of experience and hundreds of clients across all 50 states, we create code-compliant residential and commercial construction documents that get approved fast and built right.\nFrom site plans, floor plans, elevations, structural & foundation drawings to MEP coordination, full construction sets, 3D renderings, interior design, solar PV layouts, and precise material takeoffs - we handle it all. Fast 4-6 week turnaround, 3 design revisions included, free revisions for city redline changes, transparent pricing (starts at $2,000), and direct partnerships with licensed engineers for stamps in every state.

433 neighbors recently requested a quote
Avatar for Evolution Drafting
Evolution Drafting
3.3(
38
)
Draftsperson/CADD

Serving Washington, OK and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"I had a fantastic experience working with this drafting firm. From the very first phone call, Kirsten?our drafting consultant? was clear, professional, and incredibly helpful. She explained the entire process in detail and made sure all of my questions were answered up front, which gave me immediate confidence in the team. This firm partnered with engineers and architects to get the best quote for me on a stamp for my plans after they did an exceptional job on drawing the prints that met all the requirements for permitting. Their coordination and attention to detail made the process very simple on my end. If you are looking for a highly capable drafting firm that knows how to get things done right, I highly recommend them!"
Charcoal Residential
Response time6 hrs
Recommended by23%of homeowners
King Engineering and Construction
0.0(
9
)
Engineer - Structural

Serving Washington, OK and surrounding areas

In business since 2005

Free estimates

Warranties offered

King Engineering and Construction is a Service Disabled Veteran Owned Small Business that seeks to serve its customers to their satisfaction. At King Engineering and Construction we resource architects, interior designers, draftsmen, surveyors, and all types of contractors to get you the product you want. We please all tastes and budgets.

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1745936
1745937
1745938
Recommended by77%of homeowners
ARD & 3D Renders
5.0(
2
)
Draftsperson/CADD

Serving Washington, OK and surrounding areas

In business since 2018

Free estimates

"They're very professional and timely with turning around the projects. The drawings and worker are high quality and you already hit that point about customer service. They were great when we had little issues that needed to be addressed. They got it all real quick and got it back to us. They did a great job!"
Response time10 hrs
Response rate100%
Recommended by100%of homeowners
Showing 1-10 of 15
Structural Engineering questions, answered by experts

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.

Whether you’re building a new home or building an extension on your existing property, you will likely need both a structural engineer and an architect. A structural engineer will determine what loads your foundation and framing can safely handle, and an architect will draw plans according to those structural calculations to simplify the building process. You can start by contacting a structural engineer near you, as many work alongside architects and can get all of the prep work done at once.

Building codes for spiral staircases will vary by your location. Most local codes will specify minimum tread width, riser height, handrail requirements, and headroom. These standards help ensure safety and accessibility for all users. Always check local codes before you begin the installation to ensure compliance and avoid costly modifications or fines.

Absolutely, as it ensures designs are viable and won’t compromise structural integrity.

On average, 6 inches of concrete can hold around 150 pounds per square foot, but the exact weight that 6 inches of concrete can hold depends on factors such as the type of concrete, the reinforcement method, soil conditions below, and structural design. If you’re concerned about the longevity of your concrete patio, walkway, or driveway, hire a professional to help you choose an appropriate concrete thickness and reinforcement method for your needs.

The Washington, OK homeowners’ guide to structural engineering services

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