Sightline’s Margaret Morales published a great piece yesterday using housing data to show that multi-family housing helps make Seattle neighborhoods more affordable. Detached single-family zoning, on the other hand, leads to a more expensive housing getting built or remodeled. Proponents of detached single-family zoning sometimes point to anecdotal data (i.e., this particular townhome is expensive) … Continue reading Map of the Week: The High Cost of Single Family Housing