About
This owner-occupied, phius-certified duplex is the dream home of part-time developers Faith and Jim Kumon. Their development company, Heirloom Properties, LLC, is dedicated to building middle-scale housing, prioritizing straight-forward design, and building with long term operating costs in mind.
Find more information about Heirloom Properties on this website.
Special thanks to our team!
Sustainability Consultant: Mags Hawley, Electric Housing
Architect: David Walbolt, 10 Below Architecture
Phius CPHC (lead): Janneke Schaap, Perma Studio
Phius Certified Verifier: Michael Boerst