6 houses on Holbrook St. & Mt. Helena will be having garage sales on SUNDAY NOV 3 from 8 a.m.-3 p.m. The central point is 1444 Holbrook St., which is at the corner of Mt. Helena just off Colorado Blvd. in Eagle Rock. Rain or Shine! Ample street parking - parking lot on corner of Mt. Helena & Colorado Blvd. in Eagle Rock. Clothes, tools, furniture, kitchen, bedroom, vintage, new, antiques & more.