Missouri Professional Engineer (PE) licenses renew every two years (biennial). Missouri requires 30 PDH per 2-year cycle (about 15 per year). Up to 15 excess PDH may carry over to the next cycle. The approximate renewal fee is $35 per cycle. Online renewal is available through the state board portal. Renew by December 31 based on your initial-license year. Ethics PDH accepted but not required.
Everything it takes to legally practice engineering in Missouri: your individual PE license, your firm's Certificate of Authorization, and the Secretary-of-State / tax filings that keep the entity in good standing. Costs and cadence are estimates, confirm on the official portals before relying on them.
| Requirement | Applies to | Cost | Renews | What you do |
|---|---|---|---|---|
| PE license (individual) | Always required to practice | ~$35 | Biennial | Earn 30 PDH, then renew on the board portal · open |
| Firm Certificate of Authorization | If you practice through a firm | $50 | Biennial | Apply / renew with the engineering board · open |
| Secretary of State annual report | If the firm is a registered entity | $20 | Annual | File with the Secretary of State · open |
Note: Auto-import under maintenance — Missouri migrated to a new Salesforce platform in April 2026 and we're reverse-engineering the new endpoint. Look up your license at mopro.mo.gov/license/s/license-search and add the number below.
Missouri requires 30 PDH per 2-year renewal cycle (about 15 hours per year).
Missouri allows up to 15 excess PDH to carry over to the next renewal cycle.
Renew by December 31 based on your initial-license year. Ethics PDH accepted but not required.
Confirm you have at least 30 PDH for this cycle. Save certificates as PDFs in case the board audits you.
About $35. Missouri accepts online renewal through the board portal.
Once renewed, save your updated wall certificate or pocket card. If your firm needs a copy for project files, send it the same day.
Field notes from mapping the Missouri renewal flow. Specifics change, so confirm anything time-sensitive on the board portal before you rely on it.
Missouri requires firms to hold a Certificate of Authorization (about $50, every two years (biennial)) to offer engineering services. It renews on its own cycle, separate from your individual PE license. PE License Pro tracks individual PE licenses, firm CoAs, and entity filings side by side.
Open the Missouri firm CoA portalMissouri PE licenses are renewed every two years (biennial). Renew by December 31 based on your initial-license year. Ethics PDH accepted but not required.
Missouri PE license renewal deadline: December 31, based on your initial-license year. Dates and cycles can change, so confirm the exact date on the Missouri board portal and renew before it. A missed deadline usually means a late fee, and in some states the license lapses and has to be reinstated.
Missouri requires 30 PDH per 2-year cycle.
The approximate renewal fee is $35 per cycle. Fees can change; confirm the current amount on the Missouri board portal.
Missouri renewals are handled by the state's licensing board. The current portal is at https://pr.mo.gov/apelsla.asp.
Yes. Missouri allows up to 15 excess PDH to carry over to the next renewal cycle.
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