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Your Aspen, CO Real Estate Expert

Meet Katie

Katie Kiernan

Katie Kiernan

Katie Kiernan is an Aspen native and a buyer’s advocate across the Aspen, Snowmass, and Roaring Fork Valley markets. A licensed Colorado broker with Compass, she works with a small number of ultra-high-net-worth buyers, with two decades in the market and the ALB team behind her.

She represents buyers — sourcing on-market, off-market, and pre-market opportunities, and underwriting each property before a bid: construction quality, replacement cost, and what an asset is genuinely worth. She weighs what is rare, what will hold its value, and what a discerning buyer will pay for it years from now.

Aspen and Snowmass are among the most sought-after markets in the world, and the best property often trades quietly — here, representation is less about choice than about access. From ski-in/ski-out estates to contemporary retreats, Katie works with a few buyers at a time and stays close to every detail of the acquisition.

Credentials / Designations

Founder 212GALLERY; Capital Markets Advisor, Revere Capital; Realm Global (1 of 7 Aspen brokers); Co-founder, Twyla (venture-backed art-tech company that raised $19M from GV, IVP, and Redpoint); Licensed Colorado Broker #FA.100108148. Education: The School of the Art Institute of Chicago. Wharton (Fundamentals of Digital Marketing), Cornell (Marketing Strategy), Realm Global Member.

Background & Expertise

Katie's expertise in Aspen luxury real estate is built on more than two decades of experience creating, scaling, and advising businesses at the intersection of wellness, art, technology, and high-value client service. Each venture has strengthened the relationships, market insight, and negotiation skills she now brings to sophisticated buyers and sellers.

A lifelong Aspen local, Katie co-founded O2 Aspen in 2002, building one of the community's enduring wellness brands while developing deep relationships throughout the valley's business and philanthropic communities. Those longstanding local connections continue to provide clients with nuanced insight into Aspen's neighborhoods, lifestyle, and evolving market.

In 2005, Katie co-founded 212GALLERY, an internationally recognized contemporary art gallery that worked with leading institutions and artists, including Christie’s, The Andy Warhol Foundation for the Visual Arts, and Shepard Fairey. The gallery attracted prominent collectors from around the world and was recognized by publications including Art+Auction and The New Yorker. That experience cultivated trusted relationships within the global collector community and refined her understanding of discretion, provenance, valuation, and the expectations of high-net-worth clientele—qualities that naturally translate to luxury real estate advisory.

In 2007, Katie co-founded Aspen Luxury Brokers with her husband, combining her extensive local network with a personalized, relationship-driven approach to representing discerning clients entering the Aspen market. Her experience working alongside investors, wealth advisors, entrepreneurs, collectors, and business leaders enables her to navigate complex transactions while helping clients identify long-term real estate opportunities aligned with their broader investment goals.

Katie further expanded her expertise in 2014 as co-founder of TWYLA, an online art marketplace that raised $19 million from premier venture capital firms including GV (Google Ventures), IVP, and Redpoint. Successfully raising institutional venture capital and building a technology company sharpened her capabilities in high-stakes negotiations, capital formation, strategic marketing, and investor relations—experience that directly benefits clients making significant real estate investments.

For Katie, Aspen is more than a market—it is home. Having grown up in Aspen and chosen to raise her family there, she offers clients an authentic perspective on the community, its lifestyle, and the long-term value of owning property in one of the world's premier luxury destinations.

Katie also remains actively involved in the Aspen community through organizations including the Aspen Education Foundation, Aspen Aviation Club, Aspen Art Museum, and Anderson Ranch, reinforcing the local relationships and community knowledge that continue to serve her clients.

Browse My Notable Transactions

Past Transactions

  • 526 W Hallam Street Sold

    $18,800,000

    526 W Hallam Street, Aspen, CO 81611

    • 4 Beds
    • 6 Baths
    • 4,309 Sq.Ft.
  • 1225 Riverside Dr Sold

    $18,550,000

    1225 Riverside Drive, Aspen, CO 81611

    • 4 Beds
    • 5 Baths
    • 4,706 Sq.Ft.
  • 916 Pine Crest Dr Sold

    $18,250,000

    916 Pine Crest Drive, Snowmass Village, CO 81615

    • 7 Beds
    • 9 Baths
    • 8,534 Sq.Ft.
  • 1375 Sage Ct Sold

    $14,125,000

    1375 Sage Court, Aspen, CO 81611

    • 7 Beds
    • 9 Baths
    • 9,441 Sq.Ft.
  • 1403 Crystal Lake Rd Sold

    $13,050,000

    1403 Crystal Lake Road, Aspen, CO 81611

    • 4 Beds
    • 5 Baths
    • 4,759 Sq.Ft.
  • 108 MIDLAND Avenue Sold

    $10,375,000

    108 MIDLAND Avenue, Aspen, CO 81611

    • 5 Beds
    • 5 Baths
    • 4,040 Sq.Ft.
  • 1540 Silver King Drive Sold

    $9,125,000

    1540 Silver King Drive, Aspen, CO 81611

    • 3 Beds
    • 4 Baths
    • 3,491 Sq.Ft.
  • 1540 Silver King Dr Sold

    $7,750,000

    1540 Silver King Drive, Aspen, CO 81611

    • 3 Beds
    • 4 Baths
    • 3,491 Sq.Ft.
  • 1425 Red Butte Dr Sold

    $7,250,000

    1425 Red Butte Drive, Aspen, CO 81611

    • 4 Beds
    • 4 Baths
    • 2,981 Sq.Ft.
  • 416 Moore Dr Sold

    $7,100,000

    416 Moore Drive, Aspen, CO 81611

    • 5 Beds
    • 6 Baths
    • 5,345 Sq.Ft.
  • Tbd Black Bear Rd Sold

    $5,750,000

    Tbd Black Bear Road, Glenwood Springs, CO 81601

    • 3 Beds
    • 2 Baths
    • 1,788 Sq.Ft.
  • 610 Streamside Ct Sold

    $4,400,000

    610 Streamside Court, Snowmass Village, CO 81615

    • 4 Beds
    • 5 Baths
    • 3,862 Sq.Ft.
  • 1434 Crystal Lake Rd Sold

    $4,300,000

    1434 Crystal Lake Road, Aspen, CO 81611

    • 4 Beds
    • 5 Baths
    • 3,268 Sq.Ft.
  • 1465 Red Butte Dr Sold

    $4,200,000

    1465 Red Butte Drive, Aspen, CO 81611

    • 6 Beds
    • 7 Baths
    • 5,498 Sq.Ft.
  • 150 Roaring Fork Dr Sold

    $2,675,000

    150 Roaring Fork Drive, Aspen, CO 81611

    • 4 Beds
    • 5 Baths
    • 4,484 Sq.Ft.
  • 1039 E Cooper Ave, #17A Sold

    $2,645,000

    1039 E Cooper Ave, Unit 17A, Aspen, CO 81611

    • 3 Beds
    • 3 Baths
    • 1,338 Sq.Ft.
  • 503 W Main St, #B101 Sold

    $2,599,999

    503 West Main Street, Unit B101, Aspen, CO 81611

    • 3 Beds
    • 2 Baths
    • 1,564 Sq.Ft.
  • 309 E Sopris Dr Sold

    $2,445,000

    309 East Sopris Drive, Basalt, CO 81621

    • 6 Beds
    • 4 Baths
    • 3,073 Sq.Ft.
  • 501 W Main St, #B101 Sold

    $2,400,000

    501 West Main Street, Unit: B101, Aspen, CO 81611

    • 3 Beds
    • 3 Baths
    • 1,564 Sq.Ft.
  • 915 E HOPKINS Avenue, 4 Sold

    $2,000,000

    915 E HOPKINS Avenue, 4, Aspen, CO 81611

    • 1 Bed
    • 2 Baths
    • 1,006 Sq.Ft.
  • 600 Carriage Way, l17 Sold

    $1,850,000

    600 Carriage Way, l17, Snowmass Village, CO 81615

    • 2 Beds
    • 2 Baths
    • 1,070 Sq.Ft.
  • 855 Carriage Way, #501 Sold

    $1,761,000

    855 Carriage Way, Unit: 501, Snowmass Village, CO 81615

    • 3 Beds
    • 3 Baths
    • 1,450 Sq.Ft.
  • 738 S Galena St, #3C Sold

    $1,650,000

    738 South Galena Street, Unit: 3C, Aspen, CO 81611

    • 3 Beds
    • 2 Baths
    • 1,242 Sq.Ft.
  • 21 Aylin Cres Sold

    Price Upon Request

    21 Aylin Crescent, Vaughan, ON L6A 4Z8, Canada

    • 4 Beds
    • 4 Baths
  • 610 S W End St, #D102 Sold

    $1,550,000

    610 South West End Street, Unit: D102, Aspen, CO 81611

    • 2 Beds
    • 2 Baths
    • 975 Sq.Ft.
  • 617 E Cooper St, #119 Sold

    $1,450,000

    617 East Cooper Street, Unit: 119, Aspen, CO 81611

    • 2 Beds
    • 2 Baths
    • 836 Sq.Ft.
  • 855 Carriage Way, #Trl205 Sold

    $1,350,000

    855 Carriage Way, Unit: Trails 205, Snowmass Village, CO 81615

    • 2 Beds
    • 2 Baths
    • 1,080 Sq.Ft.
  • 000 00000 Sold

    $1,250,000

    000 00000, Aspen, CO 81611

  • 167 Grange Way L2 Sold

    $1,100,000

    167 Grange Way Lot 2, Woody Creek, CO 81656

  • 208 Cottonwood Ln Sold

    $1,095,000

    208 Cottonwood Lane, Aspen, CO 81611

    • 3 Beds
    • 2 Baths
    • 1,334 Sq.Ft.
  • 213 Cottonwood Ln Sold

    $1,060,000

    213 Cottonwood Lane, Aspen, CO 81611

    • 3 Beds
    • 1 Bath
    • 1,352 Sq.Ft.
  • 204 Cottonwood Ln Sold

    $1,000,000

    204 Cottonwood Lane, Aspen, CO 81611

    • 3 Beds
    • 1 Bath
    • 924 Sq.Ft.
  • 107 Maple Ln Sold

    $975,000

    107 Maple Lane, Aspen, CO 81611

    • 2 Beds
    • 2 Baths
    • 684 Sq.Ft.
  • 747 S Galena St, #290 Sold

    $970,000

    747 South Galena Street, Unit: 290, Aspen, CO 81611

    • 1 Bed
    • 1 Bath
    • 653 Sq.Ft.
  • 617 E Cooper Ave, #320 Sold

    $800,000

    617 East Cooper Avenue, Unit: 320, Aspen, CO 81611

    • 1 Bath
    • 496 Sq.Ft.
  • 617 E Cooper Ave, #422 Sold

    $700,000

    617 East Cooper Avenue, Unit: 422, Aspen, CO 81611

    • 1 Bed
    • 1 Bath
    • 496 Sq.Ft.
  • 212 Cottonwood Ln Sold

    $682,599

    212 Cottonwood Lane, Aspen, CO 81611

    • 5 Beds
    • 4 Baths
    • 2,472 Sq.Ft.
  • 306 Oak Ln Sold

    $610,000

    306 Oak Lane, Aspen, CO 81611

    • 2 Beds
    • 1 Bath
    • 772 Sq.Ft.
  • 404 S Galena St, #211 Sold

    $590,000

    404 South Galena Street, Unit: 211, Aspen, CO 81611

    • 1 Bath
    • 300 Sq.Ft.
  • 404 S Galena St, #303 Sold

    $570,000

    404 South Galena Street, Unit 303, Aspen, CO 81611

    • 1 Bath
    • 400 Sq.Ft.
  • 35 Lower Woodbridge Rd, #112 Sold

    $550,000

    35 Lower Woodbridge Road, Unit: 112, Snowmass Village, CO 81615

    • 2 Beds
    • 2 Baths
    • 993 Sq.Ft.
  • 404 S Galena St, #312 Sold

    $515,000

    404 South Galena Street, Unit: 312, Aspen, CO 81611

    • 1 Bed
    • 300 Sq.Ft.
  • 404 S Galena St, #205 Sold

    $510,000

    404 South Galena Street, Unit: 205, Aspen, CO 81611

    • 1 Bath
    • 300 Sq.Ft.
  • 350 Market St, #309 Sold

    $503,000

    350 Market Street, Unit: 309, Basalt, CO 81621

    • 1,465 Sq.Ft.
  • 404 S Galena St, #302 Sold

    $495,000

    404 South Galena Street, Unit: 302, Aspen, CO 81611

    • 1 Bed
    • 1 Bath
    • 300 Sq.Ft.
  • 404 S Galena St, #206 Sold

    $485,000

    404 South Galena Street, Unit: 206, Aspen, CO 81611

    • 1 Bed
    • 300 Sq.Ft.
  • 404 S Galena St, #300 Sold

    $460,000

    404 South Galena Street, Unit: 300, Aspen, CO 81611

    • 300 Sq.Ft.
  • 134 Snowmass Club Cir, #141H Sold

    $399,000

    134 Snowmass Club Circle, Unit: 141H, Snowmass Village, CO 81615

    • 4 Beds
    • 5 Baths
    • 2,366 Sq.Ft.
  • 4 ALPINE Lane Sold

    $369,000

    4 ALPINE Lane, Parachute, CO 81635

    • 3 Beds
    • 2 Baths
    • 1,274 Sq.Ft.
  • 15 Aster Ct Sold

    $355,000

    15 Aster Court, Parachute, CO 81635

    • 2 Beds
    • 2 Baths
    • 1,445 Sq.Ft.
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