450 College Avenue – $4,000,000



Spectacularly crafted by acclaimed architect Charles Haertling, the Star House exemplifies mid-mod mountain living. Built in 1967, this residence is nestled at the peak of College Avenue in Boulder, uniquely designed to capture mountain and city views with wide expanses of glass. A clean, cohesive motif surfaces throughout every space of the home to craft a living piece of Boulder history. Close proximity to both downtown and nature trails sets the state for this treasured escape.


  • Iconic + Innovative Design by Charles Haertling
  • Spectacular Mountain + City Views
  • Wide Expanses of Glass + Wall-To-Wall Windows with Luminous Light
  • Towering Ceilings + Airy Floorplan
  • Sleek Kitchen with Seamless Connectivity
  • Indoor-Outdoor Connectivity to Vast Outdoor Living Spaces
  • Main-Level Primary Escape with Luxe Bathroom
  • Walkout Lower Level


The namesake star-shaped skylight and wall-to-wall windows wash a cantilevered living room in natural light and majestic views. Handsome hardwood flooring is matched by neutral wall color providing an ideal backdrop for displaying fine décor and artwork. A modern ceiling fan light fixture draws the eyes upwards offering additional illumination. Imagine evenings spent gathering with guests as sunset hues unfold over the skyline. 

  • Star-Shaped Skylight
  • Wall-to-Wall Windows
  • Majestic Views
  • Handsome Hardwood Flooring
  • Modern Ceiling Fan Light Fixture


The functional open floorplan inspires at-home gatherings with a sleek kitchen that overlooks the living and dining areas. The home chef’s workspace is elevated by stainless steel appliances, expansive countertops and generous cabinetry. Delight in hosting formal soirees with guests in a dining area drenched in brightness from wide windows.

  • Open Floorplan
  • Stainless Steel Appliances
  • Generous Cabinetry
  • Expansive Countertops
  • Wide Windows


Access to the lush and private backyard is granted through sliding glass doors, extending the soiree outdoors. Enjoy dining and entertaining al fresco on an expansive patio or lounging on a hammock beneath the gentle shade of mature trees. A fenced-in lawn provides generous space for planting a vibrant garden or for pets to frolic.

  • Sliding Glass Doors
  • Expansive Patio
  • Mature Trees
  • Green Lawn
  • Privacy Fence


Effortlessly blending timeless architecture with modern livability, the main-level primary suite showcases astounding views and plush carpeting. Built-in shelving provides the perfect space to display a cherished book collection or fine décor. A remarkably designed bathroom with a deep soaking tub, glass block shower and exceptional blue marble offers a serene space for relaxation and rejuvenation.

  • Plush Carpeting
  • Built-In Shelving
  • Deep Soaking Tub
  • Glass Block Shower
  • Blue Marble


Downstairs, a walkout lower level is drenched in generous natural light from thoughtfully placed windows. Three versatile bedrooms offer space flexible to new residents’ needs with potential for a home office, fitness area or guest accommodation. Ample closet and cabinet storage provide room for keeping and organizing home essentials. Open a sliding glass door to reveal connectivity to a covered patio — the perfect space to enjoy leisurely relaxation outdoors.

  • Thoughtfully Placed Windows
  • Versatile Bedrooms
  • Closet + Cabinet Storage
  • Sliding Glass Door
  • Covered Patio


Situated at the base of Flagstaff Mountain in Boulder’s Chautauqua neighborhood, this home is a hillside escape nestled within the city. Picturesque at every turn yet distinctly imbued with neighborhood charm, Boulder is consistently ranked among the nation’s best places to live. Such accolades are apparent the moment residents arrive home. A bustling restaurant scene, unparalleled outdoor access and a divine mix of architectural interest establish Boulder as the quintessential locale for Colorado living. Enjoy the vibrance of Pearl Street, the awe-inducing wonder of the Flatirons and every charming sight in between. 

Style: Single-Family Home

Bedrooms: 4

Baths: 4

Square Feet Above: 4,154

Lot: 28,750


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