About JCSA

John Conrad Schiess portrait
John Conrad Schiess photo

JCSA is a full service architectural design firm, bringing a wealth of varied qualifications and experiences to every project taken on. The firm offers a unique blend of architectural design plus the proven ability to ensure development clients realize their project visions. In addition to years of design excellence, including award–winning designs, JCSA has over 20 years of success in helping their clients gain necessary governmental approvals such as discretionary permits, historic preservation certificates and land use entitlements.

JCSA specializes in a collaborative approach that includes working with neighborhood groups, municipal staff, and policy makers to build consensus and turn project visions into reality.

John Conrad Schiess with bike

John Conrad Schiess, president of JCSA, is licensed to practice architecture in both California and Illinois, and is also a LEED Accredited Professional. He is fluent in both English and Spanish, his native language. Over the years he has served on numerous community advisory commissions in Oak Park, Illinois, a Chicago suburb, including the Historic Preservation Commission. John also taught architecture for 10 years at a local Chicago area community college.

Triathlon training and competition brings joy to John's life. He is an accomplished Triathlete having successfully competed in 20 triathlons in Chicago, Wisconsin, Montana, California and London since 2011.

John Conrad Schiess Architect also designs energy efficient and sustainable homes for MiGreen Home Corporation. Visit www.migreenhome.com to see exciting single family home designs.


"Schiess' style has been one of the more successful in Oak Park and should in many ways be viewed as a model".

A Planning Process That Works
The Wednesday Journal

"This development (presented by JCSA) shows the exact creativity that the Plan Development Ordinance calls for."

Gail Moran, Plan Commissioner, Village of Oak Park Record of Public Hearing
Plan Commission 2015

"The work of Oak Park Architect John Schiess … points to a world that is changing rapidly".

A House Without Studs
The Wednesday Journal