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$6,995,000
5 Beds 6 Baths IR1067849 MLS
Nestled at the base of Boulder's iconic Flatirons, 770 Circle Drive occupies one of the city's most extraordinary residential settings. Behind private gates, this exceptionally secluded 1.29-acre estate commands spectacular 360-degree vistas spanning the Flatirons, Chautauqua, downtown Boulder, Folsom Field and the Boulder Valley beyond. Step outside to hundreds of miles of protected open space and celebrated trails for hiking, running and year-round adventure, while Pearl Street's acclaimed restaurants, boutiques and cultural attractions remain an easy walk away. Few properties offer such a remarkable balance of privacy, natural beauty and urban accessibility. Spanning 8,066 finished square feet, the residence was designed to embrace its breathtaking surroundings. Soaring ceilings and dramatic walls of glass fill the interiors with natural light and frame unforgettable views. Expansive living and dining rooms, a generous kitchen and inviting family room flow to multiple terraces and outdoor living spaces, creating an exceptional setting for everyday living and entertaining. The primary suite is a private retreat with a curved wall of glass, fireplace, sitting area, spa-inspired bath and panoramic mountain vistas. Above, an expansive rooftop terrace offers an extraordinary vantage point over the Flatirons, Chautauqua, downtown Boulder and surrounding valley. A fully equipped private apartment with its own kitchen, living area, bedroom and bath offers flexibility for multigenerational living, extended-stay guests, an au pair, caregiver or executive office. Originally built in 1941 and thoughtfully expanded over time, the residence blends architectural character with generous scale and the opportunity to enjoy as-is or personalize over time. 770 Circle Drive is a rare Boulder estate where exceptional privacy, iconic scenery, outdoor recreation and walkable urban living converge.

770 Circle Drive, Boulder

Courtesy of Compass - Boulder . 3032426012

$6,800,000
5 Beds 6 Baths IR1063637 MLS
Welcome to Palacio Celestial! A Legacy Mountain Estate Bordering Betasso Preserve. Set on over 77 acres across 2 legal lots, just 10 minutes from downtown Boulder and the future home of the Sundance Film Festival, this irreplaceable estate offers unparalled city and mountain views & directly borders Betasso Preserve for approx. 1/4 mile, delivering unmatched privacy & direct, private access to some of Colorado's best Biking and hiking trails on protected open space. The main residence is a gated 8,626 sq ft log estate with grandfathered status, an improvement of this scale that cannot be replicated under current regulations. Renovate, reimagine, or expand within its existing footprint, but the foundation of this legacy home is finite and protected. The property includes 2 parcels, with the 2nd lot unbuilt & offering potential for a guest house, second residence, or future development vision (subject to approval). Private access connects directly into one of the Front Range's most celebrated trail systems, no trailhead parking, no crowds, just your land meeting wilderness.Features include a 44' pool, four-stall horse barn, waterfall, detached three-car garage with hay storage, and 19kW photovoltaic solar system. Expansive views span from Boulder city lights to dramatic mountain ridgelines. Wildlife moves freely through the land, reinforcing a true sense of mountain immersion. 3 Additional adjoining parcels are available, offering the incredible opportunity for approximately 229 contiguous acres. See 79 Weaver Dr. and 1327 & 1433 Weaver Dr. See map in Photos

470 & 1344 Weaver Drive, Boulder

Courtesy of Coldwell Banker Realty-Boulder . info@thebernardigroup.com

$6,995,000
5 Beds 7 Baths IR1061929 MLS
Hidden among the forests, meadows, and granite outcroppings above Boulder, Whisper Mountain Ranch is one of the most significant private mountain estates along Colorado's Front Range. More than a residence, it is an entire world unto itself, where wilderness, beauty, and craftsmanship exist in remarkable harmony.The experience begins long before reaching the home. Winding through towering pines and open mountain meadows, the landscape unfolds with a grandeur more often associated with the great family retreats of the Alps than modern Colorado. Snow-capped peaks dominate the horizon, private trails disappear into the forest, wildlife moves freely across the land, and the distractions of everyday life quietly recede.At the heart of the ranch, a soaring timber-frame residence rises naturally from its surroundings, walls of glass framing an ever-changing panorama of mountains, sky, and light. Mornings begin with sunrise spilling across distant summits, days are spent hiking, horseback riding, skiing, or simply enjoying a level of privacy that has become increasingly rare, while evenings bring alpenglow, star-filled skies, and the quiet luxury of being immersed in nature.What distinguishes Whisper Mountain Ranch is not simply its beauty, but its rarity. Opportunities to acquire a private mountain holding of this scale and character within easy reach of Boulder are virtually nonexistent. It offers something that cannot be engineered, duplicated, or recreated: authenticity.For some, it will be a mountain residence. For others, a gathering place for family and friends, a creative retreat, or a legacy property to be cherished for generations. Just minutes from Boulder, Eldora, and the historic charm of Gold Hill, yet seemingly a continent away, Whisper Mountain Ranch belongs to a category of properties seldom found and rarely offered.In a region celebrated worldwide for its beauty and lifestyle, it stands entirely on its own.

11780 Gold Hill Road, Boulder

Courtesy of Madison & Company Properties - Boulder . 3036413377

$6,500,000
6 Beds 7 Baths IR1058002 MLS
Crafted by CG Modern and Sugarloaf Building Co. this architectural showpiece is slated for completion in summer of 2026. Centered around a soaring two story glass atrium, this residence is a masterclass in modern design, seamlessly blending natural finishes with walls of glass. The heart of the home is a gourmet kitchen featuring custom cabinetry, Wolf + Sub-Zero Appliances, and a hidden butlers pantry. Floor to ceiling sliders open to an outdoor sanctuary with a covered patio, fireplace, and space for a pool/spa. Upstairs, a luxe primary suite is appointed with dual walk-ins, Ann Sacks stone and tile, and a freestanding soaking tub. The lower level includes a flexible living area plus two additional beds and baths, all illuminated by the atrium's light. The Courtyard House was thoughtfully designed with sustainability in mind. The home features a 16.5kW solar array, radiant in floor heat throughout, and high efficiency mechanicals - all resulting in a -3 HERS Rating. An as of right ADU with full kitchen and bath provides additional flexibility on the property. The 1/3 acre North Boulder retreat is moments away from top schools, retail, dining, and the world-renowned Boulder trail systems.

2090 Orchard Avenue, Boulder

Courtesy of Compass - Boulder . 3038888893

$6,750,000
5 Beds 5 Baths IR1054359 MLS
A peaceful, private sanctuary in Boulder's coveted Field of Dreams neighborhood, this remodeled residence on .57 acres blends luxury design with effortless functionality. The floorplan opens with a showstopping curved staircase flanked by a formal dining space and multiple lounging vignettes. Soaring floor-to-ceiling windows invite natural light and showcase sweeping forest and mountain views, while a thoughtful floorplan flows to an outdoor oasis featuring a saltwater pool, spa, double fireplace, infrared heat, built-in grill and expansive patio. A chef's kitchen with butler's pantry anchors the main level, complemented by 10" French oak floors and multi-zonal radiant in-floor heat. Upstairs, the luxe primary suite boasts a private balcony, sitting nook and brand new, spa-like 5-piece bath. The walk-out lower level is a dream for entertaining, complete with a custom wet bar w/ wine storage, ice-maker, dishwasher, home theater and direct access to the pool area. Smart energy features, beamed and vaulted ceilings, Control4 system, security systems and designer finishes elevate every space. The front lot is a buildable lot and a great opportunity for a compound.

2158 Tamarack Avenue, Boulder

Courtesy of milehimodern - Boulder . 3036193373

$6,800,000
6 Beds 5 Baths IR1053821 MLS
Newlands Sanctuary on Mt. Sanitas Open Space Step onto the 600-square-foot deck and look up. Mt. Sanitas rises 1,300 feet from your backyard gate, private access to the Goat Trail. No driving. No parking. Just you, your coffee, and maybe a 4-legged friend who will make sure you don't skip it. This premier property is one of eight homes backing directly to open space. In 21 years, only one has changed hands. Hidden behind a 70-yard tree-lined driveway on a 0.6-acre lot (2.5x standard), this is widely regarded as one of Boulder's best addresses, served by top rated schools.The 5,200-square-foot residence features 20-foot ceilings with west-facing glass framing Mt. Sanitas, white oak floors, two fireplaces, and a library overlooking the property's seven heritage apple trees. Six bedrooms plus office (convertible seventh) include three distinct suites: the primary en-suite with a stunning view; a garden-level walkout in-law addition (2005, 12' ceilings) with separate entrance, private patio, and dedicated office-ideal for multigenerational living or guests-plus a basement suite with whirlpool bath. Outside you will discover a deep wrap-around porch beneath a 60-foot silver maple, flower and vegetable gardens, and the historic Silver Lake Ditch with 12,000 gallons daily water rights. Sundance Film Festival arrives January 2027, venues minutes away providing a chance at an incredible rental income opportunity and under the Augusta Rule, 14 days of rental income may be tax-free. Roof replaced 2019. New carpet. Heated two-car garage. No HOA. No covenants. For those who know Newlands: this is the privacy, the lot, the view, and the trail access that almost never comes to market. For those discovering Boulder for the first time: welcome to the neighborhood the locals covet most.

3421 4th Street, Boulder

Courtesy of Colorado Realty 4 Less, LLC . 9705317448

$6,975,000
4 Beds 5 Baths IR1051864 MLS
A true architectural tour de force, this newly completed Mountain Ridge estate redefines modern luxury against one of Boulder's most breathtaking natural backdrops. Designed by award-winning Studio B, with interiors by Studio Brother John and landscaping by Evoke, this striking residence rests on a premier, private three-acre lot bordered by over 6,300 acres of protected open space in the gated Mountain Ridge community. Floor-to-ceiling architectural-grade windows frame unobstructed vistas stretching from the Flatirons to Pikes Peak, the Denver skyline and the eastern plains, immersing every space in light, sky and landscape. The expansive layout offers en-suite baths throughout, an inspiring office or lounge and a flexible lower level ideal for fitness, media or recreation. Interiors showcase globally sourced finishes, including European white oak floors from France, sculptural Cocoon fixtures from Holland, custom white oak cabinetry by BKI Millwork and a chef's kitchen appointed with Gaggenau and Miele appliances. Outdoor living is equally extraordinary, featuring a dining deck, stainless steel hot tub and sunken conversation pit perfectly positioned for sunrise and sunset views. Sustainable, intelligent and impeccably crafted by Morningstar Homes, this residence is more than a home - it is a refined expression of design, privacy and Boulder's unmatched natural beauty.

9631 Mountain Ridge Place, Boulder

Courtesy of milehimodern - Boulder . 7203176658

$6,895,000
4 Beds 4 Baths 4453808 MLS
Set behind gates on a pristine, landscaped one-acre parcel, this extraordinary Boulder estate delivers something almost impossible to find: total privacy paired with unobstructed, jaw-dropping views of Wonderland Lake and the Flatirons, protected forever by surrounding open space. This is luxury without compromise. The custom, green-built residence was designed for both impact and livability. The main level offers three bedrooms plus a dedicated study, anchored by a chef-caliber kitchen outfitted with sleek European cabinetry, Sub-Zero refrigeration, a Viking range, and an oversized island built for gathering. Every detail is intentional. The entire second level is reserved for a show-stopping primary retreat—your own private escape—featuring dual spa-inspired bathrooms and closets, a steam shower, fireplace, and a private deck that puts Boulder’s iconic landscape front and center. An expansive family room with a wet bar rounds out the home, ideal for entertaining or unwinding in style. Homes like this don’t come along often. 700 Utica Avenue is one of Boulder’s most exclusive offerings—a rare, irreplaceable sanctuary where luxury, privacy, and views converge.

700 Utica Avenue, Boulder

Courtesy of eXp Realty, LLC . Kris@apollogroup.com,720-987-0162


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