About Us


Boone Low Ratliff Architects, Inc. is an award-winning firm that performs a variety of architectural and planning commissions, and seeks those projects that are challenging and have the potential for creative solutions. The firm was a general partnership between David C. Boone FAIA and Jacquelyn Low AIA, Architects, Santa Cruz, California until the retirement of Mr. Boone in January 2004. After working together for more than seven years, Jacquelyn Low and Monica Ratliff became partners in January 2009. The firm is now a corporation.Jacquelyn Low and Monica Ratliff have more than thirty years of professional experience in architectural project planning, development, design and construction. Approximately 50% of the firm’s work is in housing, including remodels and additions to existing structures, new single-family residences, and multiple family housing development projects. Other experience includes master planning and feasibility studies for non-profit organizations, private schools, churches, libraries, and facilities for government and institutional clients.




2014 – City of Santa Cruz Green Building Award / Habitat for Humanity main house and accessory dwelling unit
2014 – Building Home & Hope Partnership Award, Habitat for Humanity. For Supporting affordable homes in Santa Cruz County
2013 – 42nd Green Building Award / 216 Olive Street Residence May 2013
2011 – U.S. Green Building Council LEED Platinum Award / Live Oak Resource Center. The first building to be awarded a platinum rating in Santa Cruz County. Also the 10,000th project to receive LEED certification in the United States.
2007 – AIA Monterey Bay Chapter Citation Award for Design Excellence / (Nuevo Sol ) 111 Barson Street Housing
2005 – AIA Honor Award for Regional and Urban Design – Prototype Design for City of Santa Cruz / Accessory Dwelling Unit Program
2005 – Outstanding Planning Award for Project/Planning/Tool
2004 – National Award for Smart Growth Achievement
1999 – Metropolitan Honorable Mention Award
1995 – Metropolitan Home Award, Honorable Mention



Jacquelyn Low

AIA, LEED AP BD+C, Architect

Jacquelyn Low AIA, LEED AP BD+C has over 25 years experience in the architectural profession from master planning to custom residential design. After having worked large bay area architecture firms, she moved to Santa Cruz in 1988.  She became a partner with David Boone FAIA in 1992. In 2009, Monica Ratliff and Jacquelyn formed Boone Low Ratliff Architects, Inc.

She has a Masters Degree MARCH in Architecture from the University of Pennsylvania and a Bachelor of Arts with a Major in Architecture from University of California at Berkeley.  She continues her quest for learning with a focus on sustainable design in 2011 she became a LEED Accredited Professional and a Certified Passive House Designer.  

Jacquelyn is the Principal Design Architect for the Live Oak Resource Center which is the first new construction building in Santa Cruz County to achieve LEED Platinum in 2011.  She delights in working closely with clients bringing them new visions of their architectural project goals while creating spaces that are beautiful, comfortable, energy efficient, and resilient to Climate change in the future.

Monica Ratliff

LEED AP, Architect

Monica Ratliff, one of the firm’s principal architects, is licensed in the State of California and is a LEED Accredited Professional. She holds a Bachelor of Architecture, Cum Laude, from the University of Arizona, 1993. Her work experience includes an internship with Line and Space, an acclaimed design firm in Tucson, Arizona, and project management positions with CityDesign Collaborative in Boston, and Ware Malcomb in southern California.

After working on a wide range of project types including large concrete tilt-ups, office buildings and postal work, she ended up finding her ideal environment when she landed in the small office of Boone Low Architects where there was a focus on positive client relationships, respect and appropriate response to project environs, and attention to detail. She still enjoys and practices a variety of commissions, but particularly relishes working with people in designing their homes.

Kate Rhein

Intl. Assoc. AIA

Kate Rhein is a licensed British architect. She graduated with distinction from London’s Bartlett School of Architecture and Edinburgh University, then went on to work for some of London’s  top design firms including Future Systems, Imagination and Atelier One. As an associate at Ushida Findlay Architects, she worked on several high profile projects and competition winning designs throughout Europe and the Middle East. Kate’s specialty is in biomimetic design.

David Boone


David C. Boone, FAIA, was the founder of Boone/Low Architects and Planners. He retired in 2004, concluding a long, successful career in the fields of architecture and development that began in 1953 after he graduated from the University of California, Berkeley.