City of Flagstaff announces selected Accessory Dwelling Unit designs for Model Plans Library; Public invited to vote in Community Choice Awards

FLAGSTAFF — The City of Flagstaff is pleased to announce the winners and runners-up of the City’s Accessory Dwelling Unit (ADU) Model Plans Request for Informal Proposals (RFIP). ADUs can help advance the City’s adopted climate action and housing goals as ADUs are smaller housing units that have the potential to offer lower rent and monthly utility costs, provide additional income opportunities, and increase the available housing stock.

More than 30 designs were submitted to the ADU Model Plans RFIP. A selection committee chose 10 winning designs, and 10 runners-up designs, to become pre-approved plans hosted on the City’s ADU Model Plans Library. Congratulations to the winning designers, including Paul Moore, Jill Morris, Allison O’Bryant, Carmel Plude, Trevor Soper, and Brooke Whitehurst. Runners-up designers are Chris Heinrich, Valerie Lane, Diane Lott, Dwayne McCarthy, Don Pisula, Ty Reece, and Kathleen Toenjes Pennington.  

City staff will work with all selected designers to turn their designs into full construction documents and receive City building plan approval. The City of Flagstaff ADU Model Plans Library will officially launch in July 2025 at www.flagstaff.az.gov/ADUs. Model plans can be used to build detached (standalone) ADUs.  

The Library will include publicly viewable, detailed previews of the selected model plans. Anyone interested in building a model plan from the Library will be able to contact the designer and pay the designer’s plan reuse fee to gain access to the full plans, work with the designer to draft a site plan, and go through the building permit review process. 

Model plans are intended to lower the barriers to construct an ADU in Flagstaff by reducing the cost to design an ADU, making it easier to find an ADU designer, making the design and permitting process simpler and easier to navigate, and providing access to lower City permitting fees for model plans (compared to City fees for custom plans). 

The Flagstaff community is invited to participate in the “Community Choice Award” and vote for their favorite among the 10 winning ADU designs. Voting will take place at connect.flagstaffaz.gov/ADU-vote and will be open until 5 p.m. Friday, April 18.

For questions about the ADU Model Plans Library, please contact City of Flagstaff Resilience Analyst Genevieve Pearthree at 928-213-2156 or Genevieve.pearthree@flagstaffaz.gov