/11 $268,900 4 Beds 409 S Madison Ave, New Underwood, SD 57761 Fantastic rental property!! Both units include 2 bedrooms 1 bath, with unit 1 access to attached single car garage. Both units recently updated. Cap rate is 8%. Diane Wilcox COLDWELL BANKER BLACK HILLS LEGACY 409 S Madison Ave, New Underwood, SD 57761