Boulder County Luxury Homes for Sale

Boulder ColoradoSearch the MLS to find Boulder County Luxury Homes for Sale here. Boulder County stretches from the mountains in the west east to include Louisville, Lafayette. Parts of Longmont and Erie are also in Boulder County, while parts of both those cities are in Weld. Superior is in both Boulder County and Jefferson County.

Boulder County has much to offer. The Boulder Creek Path is a terrific place to go biking, walking or skating. The University of Colorado provides cultural and artistic activities as well as Buffs sporting events. Stroll the Pearl Street Mall and watch the people, enjoy the shops or dip into a restaurant for a bite to eat. There are so many parks and trails in Boulder County, it’s hard to consider them all. The NCAR Ramble Trail, a 3.4-mile loop, is spectacular with views of the plains and the famed Flatirons. Enjoy a beer at a brewpub in Longmont, explore open spaces near Nederland or hit the links at the Coal Creek Golf Course in Louisville. Boulder County is an awesome place to call home!

Don’t go it alone. We’re happy to help you find just the right home in Boulder County. Call or text The Principal Team at 720-408-7409 or contact us through our online form. We’re happy to answer questions about buying a luxury home, the market for real estate in Boulder County or any questions you may have about homes you see that are for sale.

The real estate listings here include pricing information, property details, photos and descriptions. Data regarding these luxury homes in Boulder County is updated continually from the local MLS.

Boulder County School Districts:

  • Boulder Valley School District
  • St. Vrain School District
  • Centennial BOCES School District

Outdoor Recreation:

  • Arapaho National Forest
  • National Center for Atmospheric Research (NCAR) Ramble Trail
  • Dodd Reservoir
  • Roosevelt National Forest
  • Indian Peaks Wilderness
  • James Peak Wilderness
  • Rocky Mountain National Park (In Boulder County, Larimer County, and Grand County) 
  • Eldorado Canyon State Park
  • Boulder Creek Path
  • Coal Creek Golf Course
  • Flatirons Golf Course
  • Indian Peaks Golf Course 

All Luxury Homes For Sale in Boulder County

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Sugarloaf Area

136 Old Post Office Road, Boulder, CO 80302

3Bedroom(s)
3Bathroom(s)
2Parking(s)
40Picture(s)
4,085 SquareFeet
Step into the enchanting beauty of Sweethome Ranch, a breathtaking private mountain estate spanning 40 fully fenced acres. Flanked on two sides by BLM land and National Forest, this rare retreat is just minutes from Downtown Boulder yet feels like a secluded paradise.
$2,990,000

21st/Linden Sub

3633 21st Street, Boulder, CO 80304

7Bedroom(s)
5Bathroom(s)
3Parking(s)
40Picture(s)
6,988 SquareFeet
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.
$11,500,000

Newlands

3189 5th Street, Boulder, CO 80304

5Bedroom(s)
6Bathroom(s)
2Parking(s)
40Picture(s)
5,394 SquareFeet
Nestled on an oversized, ultra-rare 14,424 sq ft corner shaded by mature trees, and featuring 4 en-suite bedrooms upstairs, 3189 5th St offers timeless style, seamless indoor-outdoor living & coveted location in Boulder’s beloved Newlands neighborhood. A covered front porch leads into warm, welcoming interiors filled with natural light, hardwood floors & detailed millwork.
$6,995,000

Fairview Acres South Central

182 Ridge Road, Boulder, CO 80303

3Bedroom(s)
5Bathroom(s)
2Parking(s)
40Picture(s)
4,764 SquareFeet
Where Modern Design Meets Mountain Serenity. Set on 1.25 acres with panoramic views, this Boulder retreat offers a rare fusion of architectural sophistication, resort-style amenities, and thoughtful engineering. Fully reimagined in 2021, 182 Ridge Rd redefines modern mountain living – blending energy-efficient systems with timeless design and effortless flow.
$2,989,000

Highland Lawn

563 Arapahoe Avenue, Boulder, CO 80302

4Bedroom(s)
5Bathroom(s)
2Parking(s)
39Picture(s)
4,274 SquareFeet
Creekside Oasis Blending Nature, Modern Luxury & Boulder Lifestyle Welcome to 563 Arapahoe – a light-filled, thoughtfully renovated four-bedroom, five-bath sanctuary tucked away on a quiet, tree-lined street in the sought-after Highland Lawn neighborhood.
$4,181,000

Rock Creek

2225 Clayton Circle, Superior, CO 80027

4Bedroom(s)
4Bathroom(s)
2Parking(s)
38Picture(s)
4,040 SquareFeet
This beautifully updated James model sits on the sought-after, serene Clayton Circle-just steps from SES, North Pool, sports courts, playgrounds, dining, groceries, and scenic trails, all accessible without crossing major streets. The bright, airy family room features soaring ceilings, plantation shutters, and expansive windows, perfect for entertaining.
$1,069,000

Alaska LD

14800 Gold Hill Road, Boulder, CO 80302

3Bedroom(s)
2Bathroom(s)
3Parking(s)
47Picture(s)
1,952 SquareFeet
Secluded Mountain Retreat with Stunning Views – A True Colorado Escape! Welcome to your dream mountain getaway! Nestled among towering pines on 14 private acres, this enchanting retreat offers breathtaking views of the majestic mountains above Nederland, just off the famed Peak to Peak Scenic Highway.
$955,000

Meadow Green Farm Nupud

9402 Crystal Lane, Longmont, CO 80503

5Bedroom(s)
6Bathroom(s)
4Parking(s)
32Picture(s)
9,538 SquareFeet
Enjoy privacy and exclusivity at this unrivaled Crystal Lane retreat, just 10 minutes from Longmont amenities and 30 minutes from Downtown Boulder. Experience gated, waterfront living at its very best in this stunning showplace featuring huge mountain views, expansive interiors and a bucolic water-front location on 5.57 verdant acres on Boulder County’s Crystal Lake.
$4,495,000

Flatirons

358 Arapahoe Avenue, Boulder, CO 80302

3Bedroom(s)
5Bathroom(s)
2Parking(s)
40Picture(s)
2,979 SquareFeet
New construction, completed April 2025. Perfect lock-and-leave, South end location overlooking the zen garden with great views of Flagstaff. Elegantly poised and gracefully designed, the residences at 358 Arapahoe radiate world-class luxury.
$3,950,000

Rock Creek Ranch Flg 15

2225 Clayton Circle, Superior, CO 80027

4Bedroom(s)
4Bathroom(s)
2Parking(s)
38Picture(s)
4,040 SquareFeet
This beautifully updated James model sits on the sought-after, serene Clayton Circle-just steps from SES, North Pool, sports courts, playgrounds, dining, groceries, and scenic trails, all accessible without crossing major streets. The bright, airy family room features soaring ceilings, plantation shutters, and expansive windows, perfect for entertaining.
$1,069,000

Reserve At Renaissance

4236 Frederick Circle, Longmont, CO 80503

5Bedroom(s)
4Bathroom(s)
3Parking(s)
40Picture(s)
3,636 SquareFeet
OPEN HOUSE Sun 6/1 2-4 pm Stunning 2-Story Home in Prime Longmont Location – Backing to Green Space! Welcome to this beautifully maintained and thoughtfully upgraded 2-story home, ideally located on a corner lot backing to peaceful green space-just minutes from Longmont’s top-rated schools, shopping, dining, and entertainment.
$939,900

South Central

6903 Valmont Road, Boulder, CO 80301

3Bedroom(s)
1Bathroom(s)
40Picture(s)
927 SquareFeet
HUGE PRICE REDUCTION! Feel like you’re living in the country only minutes from Boulder!! Quaint 3 Bedroom 1 Bath Farm House on 2.6 Acres. COMMANDING VIEWS of the FRONT RANGE. DITCH WATER RIGHTS 1/4 share Butte Mill, INCLUDED. Relax on the large patio & watch the Magical Sunsets & Views of Lake.
$1,019,000
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