Boulder, CO Real Estate Search

Boulder, CO Homes between $9,000,000 and $10,000,000 for Sale

Our website features the best real estate search for homes between $9,000,000 and $10,000,000 available in Boulder, CO and surrounding areas. It is the only site you will ever need! It is easy-to-use and updated by the official REALTOR®’s database every 15 minutes. 

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Newest Boulder, CO Homes between $9,000,000 and $10,000,000 for Sale

$9,495,000
6 Beds ⋅ 6 Baths ⋅ IR1063191 MLS
A rare opportunity to own one of Boulder County's significant custom residences. Completed in 2022 by Surround Architecture, Harrington Stanko Construction, Marpa Landscape Architecture and AV Crafters, this estate showcases design, craftsmanship and execution increasingly difficult to replicate. Privately positioned in coveted Highland Park with Boulder's iconic Flatirons beyond the backyard, it represents the best of Boulder luxury living. The 6,610-square-foot residence blends modern mountain architecture with exceptional craftsmanship. Soaring ceilings, handcrafted wood and steel beams, wide-plank white oak floors, custom millwork and Loewen triple-pane glass create sophisticated yet inviting interiors. Designed for entertaining, the main living spaces center around a dramatic double-sided fireplace, chef's kitchen and oversized scullery with prep, storage and cleanup space. Four fireplaces and seamless indoor-outdoor living enhance every space. Resort-inspired grounds by Marpa Landscape Architecture feature stonework, mature trees, water features, automated lighting, outdoor kitchen, fireplace, integrated audio, basketball court and multiple patios, a landscape investment likely exceeding $1 million to recreate today. The primary suite offers a fireplace, spa bath with steam shower, infrared sauna, custom walnut dressing room and private office wing with rooftop deck showcasing Flatirons views. Highlights include a gym, sound-isolated music studio, recreation room, mudroom with pet wash and extensive storage. Savant automation, integrated audio, motorized blinds, radiant heat, AC, solar with battery backup, whole-home water filtration, EMF-conscious construction, heated garage, snowmelt driveway and generator pre-wiring complete the home. Surrounded by trails, open space and spectacular scenery, yet minutes from Pearl Street, CU and top-rated schools, 2100 Kohler Drive is a legacy property offering an unmatched combination of design, location and livability.

2100 Kohler Drive, Boulder

Courtesy of Compass - Boulder . 3032426012
$9,999,900
7 Beds ⋅ 11 Baths ⋅ IR1060172 MLS
Situated on nearly 40 private acres surrounded by protected open space, this remarkable estate represents one of Boulder's most exceptional offerings-where architectural beauty, privacy, and an unparalleled Colorado lifestyle come together in rare harmony. Framed by unobstructed views of the Flatirons, Longs Peak, and the Continental Divide, the setting feels both breathtakingly expansive and deeply serene, offering a level of tranquility seldom found this close to town. A gated drive leads to a timeless Nantucket-inspired residence, where cedar siding, wraparound verandas, and a stately porte-cochere create an unforgettable arrival. Thoughtfully designed to balance refined elegance with everyday livability, the seven-bedroom custom home showcases exceptional craftsmanship, generous gathering spaces, an elevator, and seamless indoor-outdoor flow. A one-bedroom apartment with a separate lower-level entrance provides flexibility for guests, live-in support, or an au pair. Created for those who value land, lifestyle, and exceptional amenities, the estate offers features rarely found in Boulder, including a state-of-the-art seven-stall barn with heated wash bays and riding arena, a private pond, resort-style pool and pool house, rooftop hot tub, expansive outdoor living spaces, and a six-car garage. Tailored for equestrian enthusiasts or those seeking a grand, versatile retreat, the property is equally suited for outdoor lovers, car collectors, artists, or musicians seeking space to pursue passions without compromise. Wildlife roams the grounds, sunsets stretch across the mountains, and every vantage point reinforces the rarity of what exists here-a private sanctuary that feels worlds away, yet remains just minutes from Boulder's dining, trails, and cultural amenities. More than a home, this is a legacy estate-an extraordinary opportunity to own one of Boulder's most iconic properties.

2300 75th Street, Boulder

Courtesy of Compass - Boulder . 3034756097
$10,000,000
7 Beds ⋅ 5 Baths ⋅ IR1051043 MLS
Exquisite secluded sanctuary in the heart of Carolyn Heights. Tucked into one of Boulder's most prestigious enclaves, this estate offers a rare fusion of luxury, privacy, and relaxed sophistication. Set on a serene, tree-lined .81-acre level lot, this 7-bedroom, 5-bathroom oasis is where inspired design meets effortless living. Stunning views of the Flatirons awaken you each morning from your bed. Those same views tease your senses from the expansive patios with fully retractable doors that blur the lines from inside to outside. Bathed in natural light from soaring windows and skylights, every detail has been thoughtfully curated. Custom walnut doors and paneling welcome you into the home and invite you to explore. The chef's kitchen is a showstopper-featuring custom cabinetry, an oversized marble island, and top-of-the-line Thermador appliances. The open-concept layout flows seamlessly into a lush backyard oasis, perfect for gatherings or quiet moments of retreat by the fire pit. The primary suite is a haven unto itself with vaulted ceilings, a spa-inspired bath, spacious walk-in closet, and private deck access. With multiple flexible living spaces-including a dedicated home office and media room, this home is ready to adapt to your every need. Located minutes from North Boulder's best hiking trails, cycling routes, farmers markets, and local eateries-yet nestled in the peaceful privacy of a mature, sought-after neighborhood. Elevated living starts here. LIVE BOULDER, LOVE BOULDER! Original home built in 1987. Home had a studs up remodel that was completed in early 2024.

3633 21st Street, Boulder

Courtesy of The Agency - Boulder . 7203941997
$9,900,000
5 Beds ⋅ 5 Baths ⋅ IR1050150 MLS
Nestled into the sandstone cliffs of Pine Brook Hills and offered for the first time since construction, 1151 Timber Lane is a bold architectural statement fusing modern design with Colorado's natural beauty. Conceived by Adam Oklesh Architects, this 5-bedroom, 5-bathroom residence captures panoramic east and west views while offering exceptional privacy and outdoor amenities. Set on 2.44 acres, the 4,348-square-foot home features soaring ceilings, floor-to-ceiling windows, and sophisticated natural finishes including rift-sawn white oak and stone. Radiant floor heating and energy-efficient, fire-rated materials ensure long-term comfort and resilience. The great room, anchored by a sleek fireplace, flows into the chef's kitchen with vaulted ceilings, luxury appliances, striking marble island, and breakfast nook connecting to the dining area. The private wing includes a luxurious primary suite with spa-like bath and walk-in closet, two additional en-suite bedrooms, and a flexible fourth bedroom or office. A fifth bedroom suite offers ideal guest or studio space. Expansive sliding glass doors lead to two outdoor sanctuaries. The main terrace features a fire pit, built-in grill and outdoor kitchen, oversized bar seating, outdoor heaters, and a dramatic infinity-edge pool floating above Boulder valley. The west-facing flat yard offers a sunlit retreat surrounded by rock outcroppings, mature trees, and custom Marpa landscaping. The rooftop deck provides unforgettable sunrises, sunsets, and stargazing with views stretching from the Flatirons to city lights and the Continental Divide. Additional features include an attached 2-car garage with generous storage and elevator access throughout. Experience Boulder living at its finest; luxurious interiors, architectural significance, unmatched outdoor spaces, and jaw-dropping 360-degree views in a one-of-a-kind retreat just 6 minutes from Broadway and 12 minutes from downtown Boulder.

1151 Timber Lane, Boulder

Courtesy of Compass - Boulder . 3035014959
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