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About me

Joe focuses his practice primarily on construction law, municipal law and commercial and general civil litigation. Joe represents property owners, design professionals, general contractors, subcontractors and materials suppliers in contract negotiations, project execution, collections and litigation. Joe also practices in the real estate area negotiating property purchases, commercial leases and represents a variety of subdivision homeowner’s associations. Joe is admitted to practice in the Missouri Circuit Courts, the U.S. District Court for the Eastern District of Missouri and the 8th Circuit Court of Appeals.


Photos and videos

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Practice areas


  1. Construction & Development: 50%
  2. Real Estate: 25%
  3. Business: 15%
  4. Debt Collection: 10%


Payment types:

Cash, Check

Attorney endorsements

10 total 

Are you an attorney? Endorse this lawyer

  • Peter Andrew Roth

    I endorse this lawyer.


    Peter Roth Estate Planning Attorney
    Relationship: Co-worker

  • Quinn Murphy

    I wholeheartedly endorse Joe as among the best construction lawyers in the St. Louis area. I have known Joe for many years and he is well respected in the St. Louis community among lawyers, clients, and Judges. When it comes to construction litigation Joe Blanner is simply as good as it gets!


    Quinn Murphy Litigation Attorney
    Relationship: Fellow lawyer in community

Contact info

McCarthy, Leonard & Kaemmerer, L.C.

825 Maryville Centre Drive, Suite 300
Town and Country, MO, 63017


MOGood Standing, Active200101/08/2013
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Best Lawyer in Construction Law and Construction LitigationBest Lawyers in America2012
Outstanding Young Lawyer AwardSaint Louis County Bar Association2012
Rising StarSuperLawyers2012
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2011
Citizen of the YearCity of Eureka2011
Rising StarSuperLawyers2011
Rising StarSuper Lawyers2010
Up and Coming LawyerMissouri Lawyers Weekly2009
Work experience
TitleCompany nameDuration
PartnerMcCarthy, Leonard & Kaemmerer, L.C.2013 - Present
PartnerBehr, McCarter & Potter, PC2003 - 2013
AssociateLewis, Rice & Fingersh2001 - 2003
Law ClerkNodiff & Ellis, PC1999 - 2001
Association namePosition nameDuration
Home Builders Association of St. LouisAssociate Member2012 - Present
Missouri Department of Economic DevelopmentInfrastructure Development - Team Member2011 - Present
Missouri Bar, Technology and Computer Law CommitteeVice Chair2011 - Present
La Barque Creek Watershed Stream Team AssociationBoard Member2010 - Present
Eureka Chamber of CommerceVice President2009 - Present
Spring Hills Presbyterian ChurchElder2009 - Present
St. Louis County Bar AssociationAffiliate Member2003 - Present
Legal cases
Case nameOutcome
• State ex rel. Lighting and Power Services, Inc. v. Interface Construction Corp., 553 F.3d. 1150 (8th Cir. 2009)N/A
• Lee Deering Elec. Co. v. Pernikoff Const. Co., 247 S.W.3d 577 (Mo.App. E.D. 2008)Motion for Judgment on the Pleadings Granted
Control Technology Solutions v. Malden R-1 School District, 181 S.W.3d 80 (Mo.App. E.D. 2005)Prevailed on Appeal
See all legal cases 
Publication nameTitleDate
Saint Louis Construction News & ReviewMaintenance, Construction and Prevailing Wage2012
Builder NewsWhat You MUST Know if You do Roofing or Exterior Repair Work Arising Out of an Insurance Claim2012
St. Louis Construction News & Real EstateBid, Performance and Payment Bonds Defined2011
St. Louis Post DispatchAsk the Expert: How are residential contractors affected by updates to the Missouri Merchandising Practices Act?2011
Missouri Bar JournalPersonal Jurisdiction and the Internet: Has the Internet Changed Traditional Notions of Fair Play and Substantial Justice2004
School nameMajorDegreeGraduated
Saint Louis UniversityPublic AdministrationMA - Masters2001
Saint Louis University School of LawLawJD - Juris Doctor2001
University of Missouri, St. LouisPublic AdministrationBS - Bachelor of Science1998
Speaking engagements
Conference nameTitleDate
St. Charles Community College - Workforce DevelopmentContract Law for Land Surveyors, Professional Engineers, Architects & Construction Professionals2012
Private Presentation for ClientA Summary of Missouri Mechanic's Lien Law2012
Meet and GreetA Summary of the New Mechanic's Lien Law2011
September MeetingRecent Revisions to Mechanic's Lien Law2010