From project conception to project completion!


meet our team

By utilizing a strong team and the latest technology, we are ready to take your project from conception to completion.  From the initial conceptual meeting to your official opening, we are on your side every step of the way.

Leon P. O'Hara IV

Leon P. O'Hara IV Co-Owner

My life's work in construction ranges from residential rehabilitation to hotel renovation; from hew home construction to commercial retail developments.  As president of Paradigm Builders, the pioneer company of The Paradigm Group, I have forged a syndicate of partnerships in construction contracting and real estate development.  These efforts will build a legacy to span multiple generations and leave lasting impressions on the face of St. Louis.

Tasha Allen

Tasha Allen

As the co-owner of The Paradigm Group and President of Paradigm Contracting, I have been engaged in hands-on construction and construction management since 2008.  I currently hold an M.A. in Business and Organizational Security Management with a sequential M.A. in Information Technology Management.  With my current education accompanied by over 8 years in Sales and Management and FFE Procurement, I bring invaluable vision and tremendous organizational skills to construction projects and real estate developments.

What we offer

The Paradigm Group is a full-service contractor and developer offering comprehensive services which are designed to allow the company to do whatever it takes to finish a project.  Our firm has a reputation for delivering the best products to our clients by placing expert construction professionals on every project we undertake.

Through our specialized divisions, TPG provides a variety of services to meet the needs of a diverse base of clients.   From conception to completion, we are on your side every step of the way. Feel free to contact The Paradigm Group for a consultation.  Our team of experienced professionals are excited to help bring your vision to life.


We are a self-performing contractor with specialized services designed to allow the company to do what it takes to finish your project.  Paradigm Builders has a reputation for delivering the best product to our clients by placing expert construction professionals on every

  • Concrete  Flatwork
  • Customized Storefronts and Facades
  • Framing and Drywall
  • Tuck-pointing and Masonry
  • Flooring
  • Commercial Tenant Finnish
  • Historic Renovation
  • Multi-Family Renovation

We offer design build, construction management, and general contracting services. Our staff is qualified to accommodate all aspects of your projects.  We take great pride in our ability to:

  • Outline expectations in early discussions
  • Get to know customers personally and
  • Maintain the highest level of quality and safety

This is The Paradigm Group’s trailblazer in real estate development. For PHP, redevelopment, and community beautification, it is Paradigm’s initiative to leave a lasting impression on the face of St. Louis one community at a time.

Contact us

General inquiries:

[O]  314.884.4188 | [F] 314.884.4199

Career Opportunities: