New Lease Executed, New Cap Rate, New Price. 8.65% Cap rate on in-place income. Contact Chadd Nelson for Pricing and Offering Memorandum. The Kramer Group of Marcus & Millichap is pleased to present the Southglenn Professional Center. This Class B Medical Office has 28,217 Rentable Square Feet, 93% percent occupied with 19 tenants and 2 vacant suites. Located at 6650 S Vine St in Centennial, Colorado, this medical building sits just off East Arapahoe Road and South University Blvd. Approximately $1 million of debt is assumable, fully amortizing through 5/31/33 at 4.26 percent, payment is $11,088.00/month.