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How One Colorado City Instantly Created Affordable Housing

Relaxing rules on “Accessory Dwelling Units” drastically increased affordable housing stock in the small city of Durango.
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Planners call them Accessory Dwelling Units—plus the inevitable acronym, ADUs. What they mean are the granny flats and in-law apartments sprinkled throughout cities and towns across the land, the finished basements, above-garage studios, rehabbed carriage houses, and other outbuildings on parcels generally zoned for single-family homes.

But here’s what they really are: an instant source of affordable housing, if only they could be freed from extensive restrictions that cities and towns have in place that tightly limit who can live there.