House Plan Sealing
Purchased plans engineered for your lot and sealed for North Carolina permit submission — foundation, framing, bracing, and connections.
Learn more →Structural Engineer Licensed in North Carolina
North Carolina is home base. Oakline's office is on Glenwood Avenue in Raleigh, and most of our work — house plan sealing, wall removals, additions, new custom homes — happens across the Triangle and the rest of the state. Within about 90 minutes of Raleigh we come to you for on-site inspections; everywhere else in the state, our remote design process delivers the same sealed drawings without the windshield time.
★★★★★ 5.0 on Google · 84 verified reviews · Cody Johnston, PE, MBA · NC License #50630
What We Do in North Carolina
Serving Raleigh, Durham, Cary, Chapel Hill, Wake Forest, Fayetteville, Wilson, Charlotte, Wilmington, Asheville, and everywhere between. Every project is personally engineered by Cody Johnston, PE, MBA — one engineer, no hand-offs, and drawings your builder can actually build from.
Foundation Design
Footings, slabs, piers, and walls designed from your site conditions — not a generic detail sheet.
Beam & Framing Design
LVL, steel, and engineered-lumber sizing for renovations, wall removals, and "beam by others" notes on your plans.
Learn more →Additions & ADUs
Structural design that ties new construction into your existing home correctly.
Learn more →Looking for your city? See our dedicated pages for every North Carolina service area →
The North Carolina Residential Code, explained
North Carolina reviews residential structural plans under the 2018 North Carolina Residential Code, which is based on the 2015 International Residential Code with state amendments. A new edition based on the 2021 IRC has been repeatedly delayed and is currently expected no earlier than January 2027 — so the 2018 code is the one your permit office is checking against today.
North Carolina enforces consistently: essentially every county and municipality runs an active building department, and stamped structural drawings are a standard part of the residential permit package for new construction. That's good news for homeowners — it means fewer surprises, but it also means plans bought online almost always need a licensed PE to design the foundation, framing, bracing, and connections for your specific lot before the county will issue a permit.
Wind governs most of the structural design across the state. The coast — Wilmington, the Crystal Coast, the Outer Banks — sits in high-wind zones where prescriptive framing rarely works and engineered design is mandatory in practice. The mountains west of Asheville add snow load and steep-slope foundation conditions the flatland tables never contemplated.
Home turf: the Triangle and beyond
Because we're local, North Carolina projects get the full menu: on-site structural inspections, pre-drywall checks, crawlspace evaluations, and in-person consultations within roughly 90 minutes of Raleigh — that covers the Triangle, Fayetteville, Wilson, Rocky Mount, and most of the I-40/I-85 corridor. Beyond that radius, the remote process handles design work statewide, from Charlotte infill to Outer Banks piling foundations.
We keep dedicated pages for the cities we serve most — find yours on the service areas page for local permit specifics, soil conditions, and turnaround expectations.
How Remote Engineering Works (and When We Come to You)
- 1.
Send your plans. Upload your plan set through our site — any size, straight to our secure project drive. Cody reviews them personally, for free, and comes back with straight advice and a firm price, usually within a day or two.
- 2.
We engineer to the North Carolina code. Foundation, framing, bracing, and connections designed for your specific lot — with the governing code edition noted right on the drawings so your reviewer sees it immediately.
- 3.
You get sealed drawings. Digitally sealed PDFs under North Carolina PE license #50630, ready for permit submission — and Cody stays available to answer reviewer or builder questions after delivery. Most plan sealing projects finish within 2 weeks.
In the Triangle? Within about 90 minutes of Raleigh we also do on-site inspections and in-person consultations — see inspection services →
Verify the License
Cody Johnston is a licensed Professional Engineer in North Carolina — license #50630, issued by the North Carolina Board of Examiners for Engineers and Surveyors. Don't take our word for it: verify it with the state board →
Also licensed in six additional states — see all license states.
North Carolina Questions, Answered
Do you do site visits in North Carolina?
Yes — on-site inspections and consultations within about 90 minutes of Raleigh, which covers the Triangle and much of eastern and central NC. Beyond that, design work (plan sealing, beam design, additions) is handled remotely with the same sealed deliverables.
Which code will my NC permit office check my plans against?
The 2018 North Carolina Residential Code (based on the 2015 IRC). The next edition has been delayed to January 2027 at the earliest, so the 2018 code governs current projects.
Do stock house plans need to be sealed in North Carolina?
In practice, yes for almost all new construction. NC counties actively enforce permitting, and stock plans don't include lateral bracing design, real foundation design for your soil, or engineered-lumber specifications — all things the plan reviewer looks for.
Building in North Carolina?
Cody personally reviews your plans — flagging structural issues, finding ways to save on your build, and giving straight advice for the right foundation and framing choices specific for your lot. Free, no obligation, and he can also give you a firm engineering price in a day or two.
Have an Engineer Review My Plans — Free