Every contract for architectural or engineering or land surveying or landscape architectural services entered into by any person who is not an architect or professional engineer or professional land surveyor or professional landscape architect, as the case may be, and who is not exempt from the provisions of this chapter, shall be unenforceable by the unlicensed or unauthorized person, whether in contract, quantum meruit or other legal theory, regardless of whether a benefit has been conferred.
Mo. Rev. Stat. § 327.461
Contract with unlicensed architect, professional engineer, professional..
Applied in 4 court decisions — leading case Charles C. MacLean, III, Architect, Ltd. v. Ozark Mountain Country Mall, Inc. (In Re Branson Mall, Inc.) (1990)
Most recently applied in Ellers, Oakley, Chester & Rike, Inc. v. St. Louis Air Cargo Services, Inc. (January 1993)
Effective: 28 Aug 2014, 2 histories; (L. 1969 S.B. 117, A.L. 1999 H.B. 343, A.L. 2014 S.B. 809)
How often courts cite this section
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.