About Us

AMMON HEISLER SACHS architects, P.C. (AHSa) provides excellence in architecture.

Experienced, skilled designers use creative solutions, programming, planning and design charettes to create enhanced functionality and aesthetics in our designs. Our approach promotes high quality design documents and focus on client satisfaction throughout the design and construction process.

Headquartered in the heart of Baltimore, Maryland on historic Charles Street, the firm’s design team is comprised of experts in each sector we serve – healthcare, banking, retail, corporate, hospitality, and senior living. By cultivating teamwork, personal development, enjoyment, and fulfillment, AHSa has developed a unique corporate culture aimed at fostering long-term client relationships that are the result of providing excellence in every aspect of professional services.

Get to know us better

Meet Our Team

David C. Ammon

AIA, LEED AP
Meet David

Joseph L. Heisler III

AIA, LEED AP
Meet Joe

Harold Sachs

Harold R. Sachs II

AIA, LEED AP
Meet Hal

Our History

AMMON HEISLER SACHS architects, P.C. was founded in September of 2007 by David Ammon, Joseph Heisler and Harold Sachs. In January of 2008 AHSa acquired John A. Ammon + Associates, Inc. When founding John A. Ammon + Associates, Inc. in 1991, John Ammon, formerly of Kann & Ammon, Inc. brought 25 years of experience. Our team’s design experience encompasses millions of square feet in built facilities and a multitude of feasibility studies. With projects ranging from Research & Technology to Senior Living & Healthcare to Justice, our team’s diverse awareness creates a responsive design solution for our clients.

Get to know us better!

Meet Our Team

Get to know us better!

Meet Our Team