About Us

YEATES MANCIL ARCHITECTS, LLC, is a full-service Design Firm located in the historic Warehouse District in downtown New Orleans. Originally Founded in 1981 as Yeates and Yeates Architects, the firm has been in the continuous practice of Architecture in New Orleans and in the southeast United States for over 40 years.  Our current professional design team has been working together for over 19 years and is dedicated to its mission of providing quality and personally focused Design services.  We provide our Clients with professional services in the areas of planning, pre-design/programming, renderings and 3D modeling, Architectural design, construction administration, interior design, estimating, code analysis and zoning analysis. We also provide disaster recovery services, including damage assessments, repair/replacement budgeting services and comprehensive review and assessment of existing facilities.

Yeates Mancil Architects, LLC has successfully provided professional Architectural services for a variety of public and private projects including educational, government, civic, commercial facilities, historic preservation, faith-based, hurricane repair and rehabilitation projects, as well as others.

Owner Thad Mancil is a Louisiana Licensed Architect who believes in a “hands on” approach in the day-to-day practice of the firm and enjoys direct involvement in every project from start to finish. YM Architects employs a team of talented professionals who bring experience and dedication to each project, no matter the size or complexity. Yeates Mancil Architects, LLC, believes in the mindset and achievement of “Integrity by Design” and this translates into both the quality of our services as well as our relationship and interaction with our clients and all parties involved in the design and construction process from start to finish.