Structural, Civil & MEP Engineering Services in Missouri
Missouri has no statewide building code for private construction — and yet it statutorily mandates seismic design in the jurisdictions exposed to a major New Madrid event. That combination is unique, and it means the governing requirements come from two completely different places. We establish both before design, and most standard packages are sealed in 48–72 hours.
- No Statewide Code
- Mandated Seismic Design
- Missouri-Licensed PEs
- 48–72 Hr Turnaround
The Codes We Design To in Missouri
Pure home rule on the building code, with one statutory seismic overlay that applies regardless.
No Statewide Building Code
Commercial and residential requirements are set jurisdiction by jurisdiction. Editions range from decade-old I-Codes in smaller jurisdictions to current ones in the metros, and some unincorporated areas have no adopted code at all.
Statutory Seismic Mandate
Missouri statute requires jurisdictions expected to experience severe shaking from a major New Madrid event to adopt seismic provisions for new construction, additions and alterations. It applies even where the general building code does not.
Kansas City Runs Its Own
Kansas City adopts its own suite of I-Codes with a separately adopted plumbing and electrical code and a more recent energy code.
St. Louis Runs Its Own
St. Louis City adopts its own I-Code suite with separately adopted electrical and plumbing codes, and St. Louis County operates independently again.
State Energy Reach Is Narrow
The only statewide construction requirement of general application is that new state construction and major state renovations meet current energy standards.
Confirm Per Project
Because there is no statewide baseline, the adopted code for your specific address is a research item on every Missouri project. We do that before quoting.
Design Conditions That Actually Govern in Missouri
The New Madrid zone dominates the southeast and reaches the St. Louis region. Everywhere else it is clay, wind and river.
- New Madrid seismic demand across the Bootheel and reaching the St. Louis region
- Statutory seismic design requirements in exposed jurisdictions
- Expansive and shrink-swell clays affecting foundation design
- Tornado-range design wind statewide
- Riverine flood along the Missouri and Mississippi corridors
- Karst terrain and sinkhole risk in parts of the state
- Ground snow and frost depth set locally
- Adopted code edition, or absence of one, varying by jurisdiction
Who Seals Your Drawings in Missouri
Your drawings are sealed by an engineer holding an active Missouri licence issued by the Missouri board covering architects, professional engineers, land surveyors and landscape architects. Licensure without examination is provided for by statute. Corporations and LLCs offering engineering services must hold a corporate certificate of authority, with partnerships exempt where their members are Board-regulated. We confirm the registered entity and the named engineer of record on your quote.
Engineering Services We Deliver Across Missouri
Structural Engineering
Framing, foundations and retaining walls with sealed load calculations to the Missouri code edition your jurisdiction enforces.
Civil & Site Engineering
Site plans, grading and drainage, stormwater, utilities and paving prepared for Missouri permit submittal.
MEP Engineering
HVAC, electrical and plumbing design with the load calculations and energy compliance forms Missouri reviewers ask for.
Review & PE Stamp
Have drawings already? A Missouri-licensed engineer reviews them against local code and applies the seal.
Missouri Cities and Jurisdictions We Serve
We prepare and seal permit drawings across Missouri, confirming the adopted code for your specific jurisdiction before design begins.
- Kansas City
- Columbia
- O’Fallon
- Blue Springs
- Jefferson City
- St. Louis
- Independence
- St. Joseph
- Joplin
- Cape Girardeau
- Springfield
- Lee’s Summit
- St. Charles
- Chesterfield
- Florissant
How We Protect Missouri Clients Before You Spend a Dollar
Engineering is bought on trust long before it is bought on price. These are the commitments every Residential PE engagement carries, in writing, from the first message.
Free Quote, One Fixed Fee
Consultations and quotes cost nothing. You receive one written fixed fee against a written sheet list — no hourly billing, no surprise add-ons.
A Named Engineer of Record
Every drawing is sealed by a professional engineer holding an active licence in your project’s state, and we confirm who that engineer is before you commit.
Revisions Until Approval
If the plan reviewer returns comments, we revise the sealed drawings and respond as part of the original fee — never as a change order.
Your Documents Stay Private
Drawings, surveys and site information are used only to engineer your project. They are never resold, published or used as portfolio material without consent.
48–72 Hour Turnaround
Most standard packages are sealed and returned within two to three business days, so engineering is never the reason a permit slips.
A Real Engineer Answers
Questions reach an engineer, not a call centre. Open the live chat and you are talking to someone who can actually scope and price the job.
Getting Missouri Permit Drawings Sealed
Send Your Project
Share the Missouri project address, your plans or sketches, and any comments the building department has already issued.
Free Fixed-Fee Quote
We confirm the governing Missouri code edition, the sheet list and the schedule, then return a written fixed fee at no cost.
Design & PE Review
Our engineers produce the design and calculations, then an engineer licensed in Missouri reviews the package before anything is sealed.
Sealed & Submitted
You receive sealed, signed PDFs formatted for your Missouri building department, plus support through plan-review comments.
Missouri Engineering Questions We Are Asked Most
Is there a statewide building code in Missouri?
No. Missouri has no statewide building code for private construction — commercial and residential requirements are set jurisdiction by jurisdiction, and some unincorporated areas have no adopted code at all. Kansas City, St. Louis City and St. Louis County each run their own. The adopted code for your specific address is a research item on every project, and we settle it before quoting.
If there is no code, why do I need seismic design?
Because Missouri mandates it separately by statute. Jurisdictions expected to experience severe shaking from a major New Madrid event must adopt seismic provisions for new construction, additions and alterations, independent of whether they have a general building code. It is an unusual arrangement and it catches out-of-state firms regularly.
How serious is New Madrid risk in Missouri?
Serious in the southeast. The Bootheel sits closest to the source and the influence reaches the St. Louis region. Design demand there is well above what the Midwest is generally assumed to carry, and it is the single most underestimated condition in the state.
Is your engineer licensed in Missouri?
Yes. Drawings are sealed by an engineer holding an active Missouri licence through the state board. Corporations and LLCs offering engineering services must also hold a corporate certificate of authority, and we confirm both on your quote.
Why does my foundation crack?
Usually expansive clay. Shrink-swell soils are widespread across Missouri and a foundation designed without regard to them will move. Where a geotechnical report exists we design to it; where one does not we will tell you what your jurisdiction accepts.
What does it cost?
We quote a fixed fee per project rather than an hourly rate, based on scope, jurisdiction and whether seismic analysis is required. Quotes are free and usually returned the same business day — see our pricing page.
We Also Seal Drawings Across The Midwest
Projects rarely stop at a state line. We hold coverage in all 50 states and assign every project to an engineer licensed where it is permitted — these are the neighbouring states we work in most often.
Get a Fixed-Fee Quote for Your Missouri Project
Send your Missouri site information and we will confirm the sheet list, the engineer of record licensed in Missouri and a firm price — usually the same business day, at no cost.