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Boulder County CO Homes for Sale with In-Law Suite

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  • /40

    $6,250,000

    • 4 Beds
    • 6 Baths
    • 5,939 Sq Ft

    6553 Sunshine Canyon Dr, Boulder, CO 80302

    Hidden in the tranquil foothills just 15 minutes from downtown Boulder & 1 hour to the Denver airport, is an extraordinary mountain home on the market for the first time. A 17+ acre legacy estate, stunningly crafted with massive timber posts, hand-selected stone, and architectural design that embraces its wild surroundings-this is not simply a home, but an experience. From the moment you drive

    Agent Photo

    Brooke Weathers

    Compass - Boulder

    (720) 310-1492

    6553 Sunshine Canyon Dr, Boulder, CO 80302
  • /40

    $9,950,000 Coming Soon

    • 5 Beds
    • 6.5 Baths
    • 8,427 Sq Ft

    333 Bellevue Dr, Boulder, CO 80302

    A One-of-One estate carved into the slope of Boulder's iconic Flatirons, offered today at less than half its reproduction cost. Gated, private, and architecturally unmatched, this residence stands at the very peak of Bellevue Drive, Boulder's most exclusive street, where views sweep across Chautauqua Park and the timeless rock faces of the Flatirons. Built with materials sourced and crafted for

    Agent Photo

    Joel Ripmaster

    Slifer Smith & Frampton-Bldr

    (720) 802-7107

    333 Bellevue Dr, Boulder, CO 80302
  • /40

    $1,875,000 Open Sat 2PM - 4PM

    • 5 Beds
    • 4.5 Baths
    • 5,800 Sq Ft

    6686 Fairways Dr, Longmont, CO 80503

    Open Weekends 12-2pm! Modern Luxury Meets Serene Sanctuary in This Exquisite Lake Valley Estate-privately nestled on over 1/ 2 acre just 8 minutes from Downtown Boulder on Lake Valley Golf Course with a Private Swimming Lake. This expansive custom home offers over 6,200 sq ft including a 3-car garage and is a rare blend of architectural beauty, feng shui, and functionality. The 1,000+ sq ft

    Catherine Chipman Boulder Financial Realty Inc

    6686 Fairways Dr, Longmont, CO 80503
  • /40

    $1,350,000

    • 3 Beds
    • 3 Baths
    • 3,349 Sq Ft

    4471 Wellington Rd, Boulder, CO 80301

    Exceptional ranch level home with a finished walk-out basement in the desirable Willows neighborhood! This light filled home features main floor vaulted ceilings, an open floor plan, custom wood-working/trim and wall accents, built in book cases, lighted display cases and is perfect for both everyday living and entertaining. The unique addition of an award winning octagon shaped family room with

    Stacy Millward Coldwell Banker Realty-NOCO

    4471 Wellington Rd, Boulder, CO 80301
  • /40

    $3,100,000

    • 4 Beds
    • 4.5 Baths
    • 4,020 Sq Ft

    819 Gapter Rd, Boulder, CO 80303

    A beautiful home and lot backing to South Boulder Creek and open space. A large lot and western views with the pleasant sounds of a creek await. The home and floor plan offer a multi-generation or live-in nanny opportunity with separate living areas. The walls of windows facing the west and the creek provide a tranquil, private appeal. The backyard is ideal for hosting numerous guests and

    Erik Boye Compass - Boulder

    819 Gapter Rd, Boulder, CO 80303
  • /40

    $2,400,000

    • 2 Beds
    • 2.5 Baths
    • 2,778 Sq Ft

    1440 Reed Ranch Rd, Boulder, CO 80302

    Welcome to 36 acres of serene mountain living and breathtaking views in this unique residence with an extraordinary fusion of artistic elegance. Perfectly situated on picturesque meadows, rolling hills, and striking rock formations, this home offers views out to the city and plains below. The architectural design echoes the charm of urban lofts, showcasing exposed I-beams and steel roof joists,

    Ryan Bass Compass - Boulder

    1440 Reed Ranch Rd, Boulder, CO 80302
  • /40

    $4,495,000

    • 4 Beds
    • 5 Baths
    • 4,390 Sq Ft

    2586 3rd St, Boulder, CO 80304

    A striking sanctuary is unveiled in this new Newlands home. Nestled within the coveted Trailhead development, this residence is an exquisite showcase of stunning, modern design with luxury finishes throughout. Natural light pours into an open, airy floorplan through floor-to-ceiling windows, crafting an atmosphere illuminated in natural light. Vaulted ceilings draw the eyes upward in an expansive

    John McElveen milehimodern - Boulder

    2586 3rd St, Boulder, CO 80304
  • /40

    $5,500,000

    • 5 Beds
    • 10 Baths
    • 9,667 Sq Ft

    3015 3rd St, Boulder, CO 80304

    Outstanding custom-built contemporary stone estate built by a builder for his own residence. A highly desirable and an unbeatable Boulder location, backing to open space on 1.25 acres with sweeping city, Flatiron and mountain vistas. You will be captivated by the immense curb appeal the moment you arrive. Featuring over 9400 of gracious living on 3 levels, 5 en-suite bedrooms and 10 baths, and an

    Jeff Erickson LIV Sotheby's Intl Realty

    3015 3rd St, Boulder, CO 80304
  • /9

    $4,500,000 Coming Soon

    • 5 Beds
    • 5 Baths
    • 5,728 Sq Ft

    7979 N 41st St, Longmont, CO 80503

    Experience the perfect blend of rustic charm and modern luxury in this stunning farmhouse-style estate, situated on just over 9 acres of picturesque land. Located just a 10-minute drive from the heart of Boulder, this property offers a rare opportunity to enjoy country living with convenient city access. Each bedroom in this 5BD, 5BA home has its own bathroom, and the renovated walk-out lower

    Stephanie N Watson Compass - Boulder

    7979 N 41st St, Longmont, CO 80503
  • /11

    $4,999,000 Coming Soon

    • 5 Beds
    • 4 Baths
    • 3,826 Sq Ft

    1450 High St, Boulder, CO 80304

    Introducing 1450 High Street, an ideal modern masterpiece with classic Boulder elegance - the pinnacle of refined living. Perched on a coveted hillside cul-de-sac where High St intersects Sunset Blvd, this masterfully reimagined home offers breathtaking eye-level vistas of the iconic Flatirons and is just four blocks from Pearl Street. A dramatic glass entry draws you in - discover sprawling

    Kristin Kalush Compass - Boulder

    1450 High St, Boulder, CO 80304
  • /48

    $2,175,000

    • 5 Beds
    • 8 Baths
    • 9,072 Sq Ft

    9030 Fieldcrest Ln, Longmont, CO 80503

    Indulge in awe-inspiring, unobstructed views of Longs Peak from this exquisitely renovated ranch-style residence in Majestic Retreat. Impeccably designed with high-end finishes throughout, this home pairs elegance with thoughtful function. The chef's kitchen dazzles with a gorgeous Sinda custom range hood, Taj Mahal quartzite countertops, a Rohl cast iron sink, Viking appliances and white

    Jennifer Fly milehimodern - Boulder

    9030 Fieldcrest Ln, Longmont, CO 80503
  • /39

    $1,089,000

    • 6 Beds
    • 4.5 Baths
    • 6,362 Sq Ft

    848 Sandstone Cir, Erie, CO 80516

    Don't miss your chance to own this incredible home featuring its own private suite that is perfect for multi-generational living (in-law suite), nanny suite or long-term rental! Perfectly positioned on a beautiful corner lot, this home has mountain views from the front and a farm backdrop from the back porch - You can watch cows roaming the pasture from your back porch. The east-facing backyard

    Bree Vialpando Madison & Company Properties

    848 Sandstone Cir, Erie, CO 80516
  • /30

    $849,000

    • 4 Beds
    • 2 Baths
    • 2,630 Sq Ft

    3116 47th St, Boulder, CO 80301

    Imagine yourself Boulder in 1923, sitting on the expansive front porch of this craftsman house, drinking your morning coffee and watching the sun light up the Flatirons. This well-maintained property shines with potential, with 4 bedrooms and 2 full living spaces - live on one floor and rent out the other (see City of Boulder new ADU regs). Or - simply live in it as a single family home. The

    Judith Herr Boulder Area Realty, LLC

    3116 47th St, Boulder, CO 80301
  • /40

    $1,250,000

    • 3 Beds
    • 3 Baths
    • 3,622 Sq Ft

    1000 Alaska Rd, Boulder, CO 80302

    Escape to your own private mountain retreat at the very end of the road, perched atop 34 pristine acres with panoramic views stretching across Boulder and the surrounding peaks. Just 7.5 miles from downtown Boulder, this rare property offers complete privacy while bordering over 1,000 acres of county forest and trails, perfect for hiking, biking, and embracing the beauty of Colorado's outdoors.

    Eric Hansen Group Mulberry

    1000 Alaska Rd, Boulder, CO 80302
  • /40

    $1,600,000

    • 4 Beds
    • 5 Baths
    • 5,032 Sq Ft

    14534 Fenton St, Broomfield, CO 80020

    Nestled in the prestigious and tranquil community of Pony Estates, this stunning 4-bedroom, 5-bath Spanish-style ranch sits on a sprawling 1.64-acre lot where horses are welcome and serenity meets luxury. From the moment you step onto the property, you'll be captivated by the lush, manicured grounds, complete with a sparkling pool, hot tub, swim up bar, koi pond, rock waterfall, outdoor kitchen

    Leslie Sharkey Orchard Brokerage LLC

    14534 Fenton St, Broomfield, CO 80020
  • /40

    $1,795,000

    • 5 Beds
    • 3.5 Baths
    • 4,892 Sq Ft

    4398 Carter Trail, Boulder, CO 80301

    MULIT-GENERATIONAL LIVING OPPORTUNITY!! Welcome to 4398 Carter Trail, an exceptionally unique home in the highly sought-after Gunbarrel Green neighborhood backing directly to the Boulder Country Club Golf Course on a generous sized .34 ACRE lot offering a park-like backyard with lovely mature landscaping and trees. In addition to the main home, there is a nearly 1,400 SQFT, fully equipped

    Patrick Dolan RE/MAX of Boulder, Inc

    4398 Carter Trail, Boulder, CO 80301
  • /32

    $2,200,000

    • 5 Beds
    • 4.5 Baths
    • 4,404 Sq Ft

    1108 Grant Ave, Louisville, CO 80027

    Custom-built home in the heart of Old Town Louisville on a quiet street. Rarely available, this property includes a private wood clad elevator and a separate carriage house/ADU, ideal for multigenerational living or a flexible work from home setup. Four fireplaces, high ceilings, high-end custom millwork throughout and mountain views. Enjoy a modern kitchen with stainless steel Thermador

    Paige Coutts milehimodern - Boulder

    1108 Grant Ave, Louisville, CO 80027
  • /40

    $1,850,000

    • 4 Beds
    • 3 Baths
    • 2,593 Sq Ft

    8241 N Foothills Hwy, Boulder, CO 80302

    Set amidst the breathtaking Boulder landscape, but only 6 minutes from coffee shops in North Boulder, this sustainable farm is more than just a home- it's a lifestyle. Spanning 6.5+ acres across two parcels, this thoughtfully developed homestead features a beautiful residence with endless views and an exceptional blend of utility and natural beauty. The modern farmhouse completed a renovation in

    Monica Van Matre Heirloom Real Estate Group

    8241 N Foothills Hwy, Boulder, CO 80302
  • /40

    $2,100,000

    • 3 Beds
    • 3.5 Baths
    • 3,676 Sq Ft

    606 Sugarloaf Mountain Rd, Boulder, CO 80302

    Perched atop a serene mountainside at 8,300' elevation on over 32 acres, this spectacular custom estate offers ultimate privacy, breathtaking panoramic views, and direct access to Roosevelt National Forest and the Switzerland Trail. A true mountain sanctuary, the home showcases multiple outdoor living spaces, ideal for relaxing, entertaining, or simply soaking in the natural beauty-including a

    Michelle Bodin LIV Sotheby's Intl Realty

    606 Sugarloaf Mountain Rd, Boulder, CO 80302
  • /49

    $999,980

    • 5 Beds
    • 3 Baths
    • 2,228 Sq Ft

    3722 Monterey Place, Boulder, CO 80301

    SELLER AGREES TO PAY $25,000. TOWARDS BUYERS CLOSING COSTS! Just 1 block from the creek path & 2 major bike trails. Walk to nearby soccer fields & playgrounds-perfect for active lifestyles!This spacious Santa Fe style, 5-bedroom, 3-bath home includes a fully equipped in-law apartment with a private entrance & separate kitchen.Enjoy cool summers with a top-of-the-line swamp cooler & charming terra

    Wendy L Conder Windemere Realty Inc.

    3722 Monterey Place, Boulder, CO 80301
  • /36

    $1,970,000

    • 7 Beds
    • 4 Baths
    • 3,991 Sq Ft

    1800 Sumac Ave, Boulder, CO 80304

    1800 SUMAC IS A HOUSE OF POSSIBILITIES! This unique and versatile home can serve in many different ways... short term rental/AirBNB, with 2 bedrooms, living room, kitchenette, full bath and private entrance. Or, use this space as a teen hangout, with a living room to themselves! So much space, with 2 primary bedrooms with full bathrooms, and 3 other bedrooms and family room. Do you have a need

    Philip Booth milehimodern - Boulder

    1800 Sumac Ave, Boulder, CO 80304
  • /32

    $8,950,000

    • 4 Beds
    • 5.5 Baths
    • 8,701 Sq Ft

    335 Lee Hill Dr, Boulder, CO 80302

    One of the premier residences on Colorado's Front Range. Inspired five-acre setting nestled against the foothills yet just blocks from restaurants, bakery, coffee shops. Sweeping views throughout this dramatic 8,700 sq ft home. No expense spared - built by Tim Harrington, arguably the preeminent builder of Boulder's finest homes. Four limestone fireplaces, custom millwork, venetian plaster walls,

    John Hoeffler WK Real Estate

    335 Lee Hill Dr, Boulder, CO 80302
  • /40

    $11,950,000 New Construction

    • 4 Beds
    • 6 Baths
    • 10,248 Sq Ft

    12357 N 75th St, Longmont, CO 80503

    Lakeside living near Boulder is virtually unheard of, making 12357 N 75th Street one of the most exceptional opportunities in the region. Set on 7 lush, irrigated acres with direct access to a private lake and sweeping views of Longs Peak and the entire Front Range, this Boulder County estate offers natural beauty, luxury, and privacy just 20 min. from downtown Boulder. At the heart of the

    Zachary Nassar Nassar Realty LLC

    12357 N 75th St, Longmont, CO 80503
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