zumaooh® seamlessly combines architecture, interior design, and decoration to unleash the full potential of a client’s vision. Seizing the dynamic between interior, exterior, light, space, views, landscape, materials, and color, zumaooh creates a greater whole. When the work is completed, clients find themselves at home and at ease in a remarkable environment attuned to them, and to how they live.


zumaooh® is a longstanding partnership, with a shared vision and values. Over the years, we have developed an exceptional synergy, language, and approach, enabling us to achieve a singular purpose: creating wonderful, client-responsive environments.

Michelle Wempe

Michelle Wempe is the heart and soul of zumaooh, working closely with clients to shape and articulate their vision for a project. Combining remarkable talent and insight with a practical, real-world approach to getting things done, she creates spaces for living and working that are just as functional as they are beautiful. 

Click here for more about Michelle Wempe

Mark Szumowski

Mark Szumowski is the architectural conscience of zumaooh — a modernist committed to the honest use and expression of materials. His design talent, technical expertise, and nuts-and-bolts realism enable zumaooh to fulfill the client’s aesthetic and functional needs while respecting their schedule and budget parameters. 

Click here for more about Mark Szumowski 


Many hands touch a project — from the first glimmer of an idea, all the way to its final expression. We appreciate and acknowledge the many people with whom we’ve worked over the years whose skill, expertise, and commitment continue to be integral to our success.


We support and participate in programs sponsored by these organizations:

Press + Publications

San Francisco Architects: Top Bay Area Studios, Edited by Claudia M. Alonso, 2019, booq Publishing, ISBN 978-84-9936-897-9
Top 5 Homes of the Week That Celebrate the Golden State – Dwell.com, July 2019
Saracina Vineyards is Northern California Wine Country at Its Best – The Architect's Newspaper, June 2018
Destination: A Place Called Home – Diablo Magazine, March 2015
Open Sesame – Marin Home Magazine, Summer 2013
Quest for Zero – Nate Seltenrich, Marin Magazine, June 2013
Organic Design – Chase Reynolds Ewald, Western Art & Architecture, June 2012
Environment for a Dip That Gives You a Lift – Zahid Sardar, SFIS Supplement to the San Francisco Chronicle, October 2010
A Family Playground – Joan Chatfield-Taylor, Diablo Magazine, August 2010 and Napa Sonoma Magazine, Spring-Summer 2010
Sonoma Flow – Cheryl Weber, Custom Home Outdoors Supplement to Custom Home Magazine, March/April 2010
Fairest on the Wall – Zahid Sardar, San Francisco Chronicle, May 2009
Playing House – Kathryn Loosli Pritchett, California Homes, February 2009
CH+D Award for Residential Interior Design – California Home + Design, February 2006
Mendocino Magic - Beverly Russell, California Homes, January/February 2005
Ooh! What a House – Rebecca Rolfes, Perspective Magazine, Fall 2003
IIDA Awards: The Top of the Heap – Sheila Kim, Interior Design, August 2003
Mobile Personality – Contract, March 1990
Hospitality Ambiance for Corporate Headquarters – Designer’s West, May 1988

Awards + Honors

AIA-SF Small Firms Great Projects 2017, 2014, 2012, 2010, & 2008
IIDA-NC Honor Award Film Honoring the Program’s 10th Anniversary and Founding Chairs, 2014
IIDA-NC Honor Award, Live Category for the Sonoma Residence, 2014
LEED for Homes, Gold for the Marin Residence, Spring 2013
San Francisco Decorator’s Showcase House for the Vintner’s Vault, 2009
Piedmont Home Tour, Piedmont Residence, 2007
CH+D Award for Residential Interior Design, Mendocino Residence, 2006
IIDA-NC Chapter Scholarship in Chapter Honoree’s Name, 2006 & 2007
IIDA-NC Chapter Honoree, Inaugural Award, 2005
IIDA 6th Annual Residential Design Award, Mendocino Residence, 2003
Monsanto Design Award, Law Firm, 1997
Kansas State University, College of Architecture, Planning & Design, IAPD Alumni of the Year, 1994