Map for Colliers - Westside Specialists Map for Colliers - Westside Specialists Search | Advanced Search | New Members | Coupons and Discounts | All Categories Real Estate & Construction >> REAL ESTATE - COMMERCIAL Colliers - Westside Specialists 851 SW Sixth Ave. Ste. 1200Portland, OR 97204 | directions (503) 740-1679 | fax: (503) 227-2447 Visit Site If your business isn't here, contact us today to get listed!