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Home » Real Estate » CO » Boulder » 80304 » 503 Kalmia Ave, Boulder, CO, 80304
$4,150,000

503 Kalmia Ave, Boulder, CO, 80304

5 Beds
4 Baths
5,381 Square Feet
Open House on Saturday (7/26) 10:30 AM - 12:30 PM! Behind a dramatic illuminated gate on a lush 0.57-acre lot, this architecturally refined residence-remodeled by renowned architect Harvey Hine-embodies the pinnacle of modern luxury and design. A striking wood exterior, standing seam metal roof, and grand slate patio set the tone for the sophisticated living experience within. Enter through an oversized pivoting wood door into a sun-drenched great room with soaring vaulted ceilings, a statement fireplace, and warm maple hardwood flooring. Walls of glass frame the open-concept living space, seamlessly connecting to an expansive rear deck-an entertainer's dream.The chef's kitchen features custom cabinetry, waterfall stone island, tile backsplash, walk-in pantry, a Wolf range, and a Sub-Zero refrigerator-offering both form and function in equal measure. A cozy library lounge leads to a versatile home office or fifth bedroom with direct access to the front patio. The main-level primary suite is a private retreat with a generous walk-in closet and a spa-inspired en suite bathroom. On the lower level, a fully finished space includes a media room, fitness area, and guest suite-perfect for everyday living or hosting visitors.The beautifully landscaped grounds are surrounded by 40-50' evergreens and enhanced by natural boulders, stone patios, a seasonal ditch, water feature, and multiple serene seating areas. A bonus heated studio offers flexible use as a gym, art studio, or private office. Additional highlights include an attached two-car garage, ample guest parking, and a showstopping gated driveway. Located in the coveted Newlands neighborhood with close proximity to North Boulder shops, downtown, open space, hiking trails, and top-rated schools, this extraordinary home offers the ultimate blend of luxury, privacy, and convenience. Be sure to view the virtual tour and listing video-this one is not to be missed.
Offered By
Sara Groem 3035224184, Open Real Estate

Property Details

Property Type Residential
Status Active
Bedrooms 5
Bathrooms (Full) 3
Property Sub Type Residential-Detached
Square Feet 5,381
MLS # 1039841
Bathrooms (Half) 1

Market Trends

New Properties On Market
59
26% Increase In New Listings
Average Asking Price
$2,060,306
$290,799 Decrease In Avg Asking Price
Average Asking Price / Sq. Ft.
$732
$15 Decrease In List Price/Sq. Ft.
Average Days On Market
27
21 Day Decrease In Days On Market
Data as of Jul 26, 2025. Remaining statistics above are calculated on activity within the period from May 01, 2025 to Jun 30, 2025.

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Information deemed reliable but not guaranteed by the MLS. Listing information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data Source: Information and Real Estate Services, LLC. Provided for limited non-commercial use only under IRES Rules. © 2025 IRES. Property data was last updated on 7/26/2025 at 12:38 pm