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