Buyer Is To Do Their Own Due Diligence For Buildable Option For Possible 2 R10 Lots. Per. The City Of Happy Valley It Recently Adopted Code Changes Compliant With Hb 2001,which Allows Middle Housing Types(townhome,duplex,triplex,quadplex,cottage Cluster)in All Residential Zones That Allow Single-family Detached Dwellings.this Includes The R-10 Zone & The Subject Property.tax Id To Be Determined Upon Completion Of Partition & Taxes To Be Determind At Closing