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Top-Rated Structural engineers in Marion - Updated Nov 2026

Avatar for Evolution Drafting
Evolution Drafting
3.7(
127
)
Draftsperson/CADDArchitectArchitect - For Business

Serving Marion, SC 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%
75 neighbors recently requested a quote
Avatar for APEX Drafting LLC
APEX Drafting LLC
3.9(
7
)
Draftsperson/CADDArchitect

Serving Marion, SC 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
Avatar for Terraform Development & Design LLC
Terraform Development & Design LLC
4.0(
1
)
ArchitectDraftsperson/CADD

Serving Marion, SC 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.

1176 neighbors recently requested a quote
Avatar for CNT Foundations
CNT Foundations
4.5(
37
)
Engineer - Structural

Serving Marion, SC and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"We thought we had foundation problems and contacted CNT for an estimate on repairs. ED VanOsdol came out at the specified
time to give us a quote. Ed generated a computerized lay out of the structure of the house and then crawed under the house and made pictures of the structure. He indentified one problem area which was minor and a potential problem area. He explained
what was happening to the foundation and because it was so minor, he told me how I could fix it myself. I told him that I would
pay for the inspection, but he said it was not necessary. If I ever do have problems with my foundation, I will certainly use them
for the repairs. I would recomend CNT to everyone. They are very professional and honest.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+270

Recommended by84%of homeowners
Avatar for Evolution Drafting
Evolution Drafting
3.3(
38
)
Draftsperson/CADD

Serving Marion, SC and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"I was really under the gun due to a prior Architectural firm not performing their duties per building plan codes. Not only were the plans incomplete but the City Plan Reviewer states(The Worst plans he’s ever seen) they will not make adjustments unless there is an additional charge for Thousands. Evaluation’s saved my clients and drew our project per code, along with Engineering in less time then they quoted. I highly recommended them, Especially Kirsten. You went above and beyond trying to coordinate this project. The staff was very professional and I will use them on all my projects. Sincerely, Frank B BCM Builders"
Charcoal Residential
Response time6 hrs
Recommended by23%of homeowners
Avatar for Tanner Engineering
Tanner Engineering
5.0(
2
)
Draftsperson/CADD

Serving Marion, SC and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"I decided on going with this group, after numerous efforts of trying to get in contact or stay in contact with 2 prior engineering firms. Mr. Tanner reached out to me within the hour, and was on my property the next day. He was extremely thorough and patient in his explaining everything to me. I can not recommend these guys enough, and will deffinetly be using them for any future endevours"
Response time11 hrs
Recommended by100%of homeowners
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Structural Engineering FAQs, answered by experts

Cathedral ceilings make a statement in your home, but at the cost of your attic space. Normal attics are wide open, which allows warm air to move around and exit your home. Because of this, cathedral ceilings make your home less energy efficient and put your ceiling at risk of venting issues if you’re not careful. They also reduce your attic storage space, potentially cause an echo, and even make it harder to change a light bulb.

Structural engineers can perform various inspections on different structures in your home. These inspections usually include a report detailing the engineer’s findings and recommendations for repairs so you can determine your next course of action for repairs, replacements, or new builds. Some of the most common structural engineering reports include:

  • Full home inspection: $350–$1,000

  • Foundation: $300–$800

  • Load-bearing walls: $300–$1,000

  • Roof: $150–$600

  • Chimney: $200–$500

The best way to determine if ceiling cracks are structural is to hire a ceiling contractor to inspect the cracks and provide a professional opinion. That said, you might be able to make an educated guess based on the size and appearance of the crack. Larger cracks, cracks accompanied by sagging or discoloration, and cracks that travel from the ceiling down the walls are all signs of structural issues.

Foundation cracks that are 1/8 inch wide or less, aren’t uneven across the gap, and don’t continue widening over time are usually just normal settling cracks and don’t suggest structural issues. Horizontal cracks and stair-step cracks on foundation walls, any cracks that continue widening, are wider than 1/8 inch, or where one side juts out beyond the other, are often indicative of structural damage.

The easiest way to tell if a wall is load bearing is to check if it’s an exterior wall or if it runs perpendicular to the joists above and below it (or parallel to beams). Exterior walls are almost always load-bearing, and walls that run under beams or parallel to them are also usually load-bearing. There are exceptions to these rules, and walls that don’t fit into these categories can still be load-bearing. If you’re unsure, hire a structural engineer to look at your home to assess whether or not the wall is structural.

The Marion, SC homeowners’ guide to structural engineering services

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