About
Katie K. Portenga is a highly experienced REALTOR® with Coldwell Banker Global Luxury, licensed since 2006 in Texas and 2007 in Colorado. She represents buyers and sellers across Denver Metro, Boulder, Castle Rock, Aurora, Golden, Highlands Ranch, and surrounding communities, specializing in luxury homes, first-time buyers, relocation, new construction, and downsizing clients. Katie has consistently earned repeat transactions due to her integrity, market knowledge, and negotiation expertise. She has closed over $230M in career sales, earned the 5280 Five Star Professional Award (20192025), and ranks in the top 1% of Denver Realtors.
