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Get found as the Top Real Estate Agent in Denver, CO

Katie K. Portenga is a passionate REALTOR(r) who is dedicated to delivering luxury level service to all of her buyers and sellers. As an exceptional negotiator coupled with thorough knowledge of the Denver Metro, she has closed over $20M in... Show More
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9 AM to 10 PM
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9 AM to 6 PM
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10 AM to 5 PM
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Reviews from Web
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    Clara S
    Posted on February 26th, 2026 12:00 AM
    Katie is AMAZING!! As first time home buyers, the process was incredibly intimating, but Katie was by our side the whole time.

    She put up with multiple weekends packed full of showings and helped us figure out exactly what we wanted.

    Once we...
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    Jerad L
    Posted on October 7th, 2025 12:00 AM
    I highly recommend Katie!
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    Denise M
    Posted on July 15th, 2025 12:00 AM
    I recently had the pleasure of working with Katie to sell my condo. From start to finish, it was an absolute pleasure working with her. From our initial meeting and throughout the entire process, Katie was professional and helped me stage the...
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    Jim C
    Posted on June 23rd, 2025 12:00 AM
    We'd never have found the perfect home without Katie! Last night I looked back at the long, demanding list of needs we'd sent her. We batted virtually 100%! She kept searching and searching until she found what we wanted. She gave us great...
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    Meredith D
    Posted on June 22nd, 2025 12:00 AM
    Katie was my realtor when I purchased a home and when selling my home. First, she is incredibly knowledgeable and experienced with buying and selling in the area. She knows how to navigate a tricky market and works very hard to complete the...
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  • Zillow
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    Mere D
    Posted on June 22nd, 2025 12:00 AM
    Katie was my realtor when I purchased a home and when selling my home. First, she is incredibly knowledgeable and experienced with buying and selling in the area. She knows how to navigate a tricky market and works very hard to complete the...
    read more
  • Zillow
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    Zuser20141101190642956
    Posted on June 19th, 2025 12:00 AM
    We had the pleasure of working with Katie Portenga to sell our home, and we couldn’t be more grateful for her expertise and steady guidance. From the start, Katie was knowledgeable, responsive, and deeply committed to helping us navigate a...
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    Jodi F
    Posted on June 19th, 2025 12:00 AM
    We had the pleasure of working with Katie Portenga to sell our home, and we couldn’t be more grateful for her expertise and steady guidance. From the start, Katie was knowledgeable, responsive, and deeply committed to helping us navigate a...
    read more
  • Zillow
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    Zuser20150618221344560
    Posted on March 20th, 2025 12:00 AM
    Katie is wonderful to work with, I was a FTHB and she made the process smooth. She spends the time prior to showing houses to get to know you so she can tailor her showings. I believe her best quality is to point out certain aspects of the...
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  • Zillow
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    BrendaIbarra H
    Posted on March 13th, 2025 12:00 AM
    I recently had the pleasure of working with Katie while searching for my new home in Colorado, and I cannot recommend her highly enough! From the very beginning, she took the time to understand my needs and preferences, providing me with a...
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  • 1–10 of 73
    About
    Katie K. Portenga is a passionate REALTOR(r) who is dedicated to delivering luxury level service to all of her buyers and sellers. As an exceptional negotiator coupled with thorough knowledge of the Denver Metro, she has closed over $20M in sales volume and 27 transactions within the past year earning the distinction of Top Individual Real Estate Producer by 5280 Magazine. Katie loves and appreciates working with her clients and offers them the skills and expertise acquired over her 19 years in the industry. She has consistently earned repeat transactions from former clients, whether buyer or seller, and attributes her cumulative success to her reputation for scrupulous integrity, her enthusiasm about working hard for all clients, her broad market knowledge, and her experience gained from complex transactions. As a proud longtime resident of Denver proper, Katie represents both sellers and buyers throughout the metropolitan area as far south as Castle Rock, east to Aurora, west to Golden, north to Boulder and everything in between. Throughout every transaction, Katie's goal is to exceed the expectations of each one of her clients so they feel 100% confident in referring her to family and friends. Katie has a Bachelor of Fine Arts degree from The University of Texas at Austin, and she also studied at Boston University. Before venturing into residential real estate, she held sales positions at Fortune 500 companies - Xerox, Ethicon (a Johnson & Johnson company), and The Ritz-Carlton Club - all of which are well-known for the finest customer service, something Katie always provides her clients. Originally from South Texas, Katie was an accomplished sailboat racer and participated in regattas around the nation. After residing in Austin, she decided to try something new and moved to Colorado in 2001 for a change of pace to enjoy the mountain lifestyle - hiking, skiing, and biking. During her free time, Katie plays tennis, continues to explore the mountains, travels, and spends time with family and friends. Katie has two children - Lucy and Garrett and two dogs - George and Stetson. She is also a big supporter and passionately involved with The Logan School for Creative Learning. To start turning your dream of homeownership into a reality or to successfully sell your current property for top dollar, feel free to reach out to Katie K. Portenga today. She is here to guide you through the process, as not only your go-to realty expert, but as your trusted ally in Denver Metro real estate. 5280 Black Diamond Individual Top Real Estate Producers - 2022 Consistently Ranked in the Top 1% of Denver Realtors 27 Homes Sold in 2022 Ranging in Price from $286K-$2.225M 5280 Five Star Professional Award | 2019-2022 Best of Zillow 2018, 2019 Platinum Club - Your Castle Real Estate - 2018 Denver Metro Association of Realtors Excellence Award(r)
    Specialities
    Relocation
    First Time Home Buyers
    Listings
    New to Denver
    Video Marketing
    Luxury
    buyer's agent
    listing agent
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    Positions
    • Broker Associate
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    Licenses
    • FA.100020185