KATIE K PORTENGA - REALTOR® - 20 YEARS OF EXPERTISE. TOP 1% PERFORMANCE. DELIVERING LUXURY-LEVEL SERVICE AT EVERY PRICE POINT

Katie K. Portenga is a seasoned REALTOR® with Coldwell Banker Global Luxury and City & Summit Group, licensed in Texas since 2006 and Colorado since 2007. Over her 19-year career, she has developed deep expertise representing buyers and sellers throughout Denver Metro, Boulder, Castle Rock, Aurora, Golden, Highlands Ranch, and surrounding areas. Katie specializes in luxury homes, new construction, first-time buyers, relocation clients, downsizing, and military families, providing tailored guidance across a wide range of price points from entry-level to ultra-luxury properties.

Katie has closed over $230M in career sales volume and consistently ranks in the top 1% of Denver Realtors. She has earned multiple recognitions, including the 5280 Black Diamond Individual Top Producer (2022–2024), 5280 Five Star Professional Award (2019–2025), Denver Metro Association of Realtors Excellence Award, and Best of Zillow (2018–2019). Her transaction history is fully verified on Zillow and FastExpert, highlighting her reliability and measurable results.

A lifelong learner and Denver resident, Katie leverages her 19 years of experience, strong negotiation skills, and comprehensive market knowledge to help clients confidently navigate complex transactions. She is known for building lasting client relationships, ensuring repeat business and referrals, and delivering meticulous service whether assisting first-time buyers, luxury clients, or families relocating to the area.

5280 Black Diamond Individual Top Real Estate Producers – 2022, 2023, 2024, 2025

Consistently Ranked in the Top 1% of Denver Realtors

5280 Five Star Professional Award | 2019-2025

Best of Zillow 2018, 2019

Denver Metro Association of Realtors Excellence Award®

Five Star Professional – 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

The Institute for Luxury Home Marketing Certified Luxury Home Marketing Specialist GUILD