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Katie K Portenga

Coldwell Banker Global Luxury Real Estate
5.070 reviews
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Recent Sales

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  • $510,000
    3 bd3 ba2,040 sqft Centennial, CO
    3 bd3 ba2,040 sqft
    Centennial, CO
    Sold 23 days ago
    Buyer
    5307 S Liverpool Way, Centennial, CO, 80015
  • $656,500
    2 bd1 ba1,343 sqft Denver, CO
    2 bd1 ba1,343 sqft
    Denver, CO
    Sold 25 days ago
    Seller
    4315 Yates Street, Denver, CO, 80212
  • $389,900
    2 bd1 ba793 sqft Denver, CO
    2 bd1 ba793 sqft
    Denver, CO
    Sold 1 month ago
    Seller
    762 Dexter St, Denver, CO, 80220
  • $675,000
    2 bd3 ba1,549 sqft Denver, CO
    2 bd3 ba1,549 sqft
    Denver, CO
    Sold 2 months ago
    BuyerSeller
    3636 Navajo Street, Denver, CO, 80211
  • $1,016,200
    2 bd4 ba2,338 sqft Denver, CO
    2 bd4 ba2,338 sqft
    Denver, CO
    Sold 2 months ago
    Buyer
    5125 W 29th Avenue #1, Denver, CO, 80212
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21
Sales last 12 months
225
Total sales
$282K-$2.7M
Price range
$731K
Average price

Get to know Katie K Portenga

Real Estate Broker since 2006

City and Summit Group 

20 YEARS OF EXPERTISE. TOP 1% PERFORMANCE.

DELIVERING LUXURY-LEVEL SERVICE AT EVERY PRICE POINT

Katie is a passionate REALTOR® 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, Boulder and Colorado’s most sought-after Mountain Communities, she has closed over $146M in sales volume and sold over 250 homes e...

Specialties
Buyer's AgentListing AgentRelocationLuxury Homes
SpeaksEnglish, Spanish
20 Years of experience
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Katie K Portenga's sales and listings (227)

This map and property list shows the most recent 100 sales and 100 listings

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Sold (225)

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For sale (2)

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  • Coldwell Banker Global Luxury Denver
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Katie K Portenga's reviews (70)

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  • 5.0
    • 7/1/2026
    • • Rachel Hornay

    Bought a home in 2026.

    As a first-time homebuyer, I couldn't have asked for a better realtor! She made the entire process feel seamless and was there to guide me every step of the way. The Nor...
    As a first-time homebuyer, I couldn't have asked for a better realtor! She made the entire process feel seamless and was there to ...
    5.0
    • 6/27/2026
    • • Britt Flaming

    Bought a home in 2026.

    I worked with Katie K. Portenga as my buying agent and was impressed by her deep knowledge of luxury real estate, her reliability, and her connections in the area. She kn...
    I worked with Katie K. Portenga as my buying agent and was impressed by her deep knowledge of luxury real estate, her reliability,...
  • 5.0
    • 2/25/2026
    • • Clara

    Bought a Single Family home in 2026 in Barnum, Denver, CO.

    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 f...
    Katie is AMAZING!! As first time home buyers, the process was incredibly intimating, but Katie was by our side the whole time. Sh...
    5.0
    • 6/22/2025
    • • Mere D 970

    Bought and sold a home in 2025.

    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 k...
    Katie was my realtor when I purchased a home and when selling my home. First, she is incredibly knowledgeable and experienced wit...
  • 5.0
    • 6/19/2025
    • • zuser20141101190642956

    Sold a Single Family home in 2025 in Washington virginia vale, Denver, CO.

    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 kno...
    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...
    5.0
    • 3/20/2025
    • • Kim Dong

    Bought a Single Family home in 2024 in Denver, CO.

    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 showin...
    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 ...
  • 5.0
    • 3/13/2025
    • • BrendaIbarra Hunsaker

    Bought a Single Family home in 2023 in Brighton, CO.

    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...
    I recently had the pleasure of working with Katie while searching for my new home in Colorado, and I cannot recommend her highly e...
    5.0
    • 5/19/2022
    • • timothy kamakani

    Bought a Single Family home in 2021 in Lamar heights, Arvada, CO.

    Katie did an outstanding job when finding my Partner and me home. We were referred to her by a family member and heard great things about her. She did not disappoint! We ...
    Katie did an outstanding job when finding my Partner and me home. We were referred to her by a family member and heard great thing...
  • 5.0
    • 4/26/2022
    • • Alyssa Murray

    Bought a Single Family home in 2021 in Belcaro, Denver, CO.

    Katie is extremely knowledgeable about the Denver market, and was very assertive as a Buyer’s agent (which is needed at this crazy time). She was a pleasure with which to...
    Katie is extremely knowledgeable about the Denver market, and was very assertive as a Buyer’s agent (which is needed at this crazy...
    5.0
    • 4/12/2022
    • • Michael mitchamore

    Bought and sold a Single Family home in 2022 in Castle pines, CO.

    Katie really knows her business. In this difficult market she was able to sell our house very quickly and help us buy a wonderful new home with a solid offer. I highly r...
    Katie really knows her business. In this difficult market she was able to sell our house very quickly and help us buy a wonderful...
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Service areas (21)

Katie K Portenga

Coldwell Banker Global Luxury Real Estate
5.070 reviews
21sales last 12 months
225total sales
$282K-$2.7Mprice range
$731Kaverage price
20years of experience
(303) 242-5062
katie@portengaproperties.com
201 Columbine, #200
Denver, CO, 80206