Homes with Basements for Sale in Boulder County, CO

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ABOUT THIS HOME
Home with Basement for sale in Boulder County, CO:
Whether reimagined through renovation or a complete rebuild, this Knollwood offering presents a rare opportunity to create a personalized vision on an oversized, gently sloping lot. Mature trees frame the south-facing property, while the neighborhood's setting against open space creates a serene natural backdrop. Surrounded by some of Boulder's finest homes, the property enjoys a rare sense of seclusion, enhanced by Knollwood's single entrance in and out of the neighborhood. Expansive Front Range views stretch across the foothills and city, while the south-facing orientation brings abundant natural light and an ideal setting for outdoor living. Despite its private, wooded character, the pro

$3,950,000

4 beds3 baths3,415 sq ft

2176 Knollwood Dr, Boulder, CO 80302

Mature trees • 0.31 acre lot • 2 garage spots

ABOUT THIS HOME
Home with Basement for sale in Boulder County, CO:
Enjoy the open space on a near-acre lot in Gunbarrel with Flatiron views, just 12 minutes from Downtown Boulder, on a quiet, low-traffic street with no HOA constraints. Recent improvements include a nearly 800-square-ft attached garage with full insulation, dedicated Mitsubishi mini-splits for heating and cooling, 10 ft ceilings, and recessed lighting. The home features a newly updated family room with a linear fireplace, built-in TV, custom cabinetry, new flooring, and additional ductless mini-splits serving the southern rooms and primary bedroom. Equipped with a practical mudroom off the garage with a second washer/dryer hookup, a custom dog bath, and a powder room for convenience. The pr

$1,149,000

4 beds4.5 baths4,568 sq ft

4481 Clay St, Boulder, CO 80301

Custom cabinetry • Attached garage • New family room

ABOUT THIS HOME
Home with Basement for sale in Boulder County, CO:
MOTIVATED SELLER! MOVE-IN READY! SELLER OFFERING $15k TOWARDS RATE BUY DOWN AND/OR CLOSING COSTS. New roof, oversized corner lot, rare detached 26x24 2-car garage/workshop, RV parking, and no HOA or metro tax-just minutes from Waneka Lake! This inviting front to back tri-level home offers great curb appeal, mature landscaping, and a spacious backyard designed for relaxing and entertaining. The front porch welcomes you into a spacious main level featuring high ceilings, laminate wood flooring, and a cozy living room with wood-burning fireplace. The updated kitchen and dining area showcase warm wood tones, stainless steel appliances including a double oven, tile backsplash, butcher-block coun

$695,900

3 beds2 baths1,732 sq ft

1100 Atlas Cir, Lafayette, CO 80026

Inviting front porch • Sunken living room • Wood fireplace

Listing provided by REColorado as Distributed by MLS Grid

ABOUT THIS HOME
Home with Basement for sale in Boulder County, CO:
Mountain living, thoughtfully reimagined. Set within the natural beauty of Coal Creek Canyon, this fully renovated retreat balances elevated design, everyday comfort, and modern efficiency. Rebuilt from the studs, the home features meaningful upgrades throughout, including fully owned Tesla solar panels, EV charging, a tankless water heater, new HVAC and ductwork, and a whole-house, multi-stage water filtration system. Inside, natural light fills the open living spaces, highlighting warm wood cabinetry, organic textures, classic shutters, and a welcoming fireplace at the center of the home. The kitchen connects seamlessly to the dining and living areas, creating an easy setting for quiet mo

$599,000

3 beds2 baths1,680 sq ft

76 Wonderland Ave, Golden, CO 80403

Open living spaces • Ev charging • 7,466 sq ft lot

Listing provided by REColorado as Distributed by MLS Grid

ABOUT THIS HOME
Home with Basement for sale in Boulder County, CO:
A truly rare opportunity to own one of Boulder’s iconic legacy properties. Perched on coveted Flagstaff Road, this exceptional homesite offers unrivaled panoramic views of Chautauqua Park, the Flatirons, Downtown Boulder, and the surrounding mountains—an extraordinary combination of feeling immersed in the mountains while remaining just minutes from shopping and entertainment. Whether you're looking to restore and reimagine the existing residence or create an extraordinary custom estate, the possibilities are exceptional. The detached living space above the garage presents the perfect opportunity for a luxurious guest retreat, private office, artist's studio, or dream entertainm

$3,250,000

5 beds3 baths3,661 sq ft

740 Flagstaff Rd, Boulder, CO 80302

Private office • Panoramic views • Artist studio

Listing provided by REColorado as Distributed by MLS Grid

Property at 3180 Westwood Ct, Boulder, CO 80304, 5 beds, 3 baths

$849,000

5 beds3 baths2,578 sq ft

3180 Westwood Ct, Boulder, CO 80304

Property at 1635 Hartley Ct, Longmont, CO 80501, 4 beds, 3 baths

$546,900

4 beds3 baths1,978 sq ft

1635 Hartley Ct, Longmont, CO 80501

Listing provided by REColorado as Distributed by MLS Grid

Property at 1324 Pine Glade Rd, Nederland, CO 80466, 1 bed, 1 bath

$301,500

1 bed1 bath1,200 sq ft

1324 Pine Glade Rd, Nederland, CO 80466

Listing provided by REColorado as Distributed by MLS Grid

Property at 2790 Lee Hill Dr, Boulder, CO 80302, 4 beds, 3 baths

$1,995,000

4 beds3 baths4,022 sq ft

2790 Lee Hill Dr, Boulder, CO 80302

Property at 933 University Ave, Boulder, CO 80302, 5 beds, 2 baths

$1,676,000

5 beds2 baths2,896 sq ft

933 University Ave, Boulder, CO 80302

Listing provided by REColorado as Distributed by MLS Grid

Property at 8125 Woodland Rd, Longmont, CO 80503, 5 beds, 3.5 baths

$998,000

5 beds3.5 baths2,703 sq ft

8125 Woodland Rd, Longmont, CO 80503

Property at 770 Circle Dr, Boulder, CO 80302, 5 beds, 5.5 baths

$6,995,000

5 beds5.5 baths8,066 sq ft

770 Circle Dr, Boulder, CO 80302

Property at 805 Dewey Ave, Boulder, CO 80304, 3 beds, 4 baths

$1,995,000

3 beds4 baths2,674 sq ft

805 Dewey Ave, Boulder, CO 80304

Property at 1387 German Ct, Erie, CO 80516, 4 beds, 3 baths

$599,900

4 beds3 baths2,789 sq ft

1387 German Ct, Erie, CO 80516

Listing provided by REColorado as Distributed by MLS Grid

Property at 1127 12th St, Boulder, CO 80302, 12 beds, 3 baths

$3,850,000

12 beds3 baths4,102 sq ft

1127 12th St, Boulder, CO 80302

Property at 255 Peakview Rd, Boulder, CO 80302, 5 beds, 5 baths

$2,150,000

5 beds5 baths4,670 sq ft

255 Peakview Rd, Boulder, CO 80302

Listing provided by REColorado as Distributed by MLS Grid

Property at 3451 Larkspur Dr, Longmont, CO 80503, 5 beds, 3 baths

$625,000

5 beds3 baths2,870 sq ft

3451 Larkspur Dr, Longmont, CO 80503

Listing provided by REColorado as Distributed by MLS Grid

Property at 1345 Bear Mountain Dr Unit B, Boulder, CO 80305, 2 beds, 2 baths

$695,000

2 beds2 baths1,412 sq ft

1345 Bear Mountain Dr Unit B, Boulder, CO 80305

Listing provided by REColorado as Distributed by MLS Grid

Property at 4725 Qualla Dr, Boulder, CO 80303, 3 beds, 4 baths

$775,000

3 beds4 baths1,512 sq ft

4725 Qualla Dr, Boulder, CO 80303

Property at 3133 Fern Pl, Boulder, CO 80304, 4 beds, 3 baths

$1,599,000

4 beds3 baths2,371 sq ft

3133 Fern Pl, Boulder, CO 80304

Property at 10077 N 75th St, Longmont, CO 80503, 4 beds, 4 baths

$3,500,000

4 beds4 baths5,417 sq ft

10077 N 75th St, Longmont, CO 80503

Listing provided by REColorado as Distributed by MLS Grid

Property at 5521 Glendale Gulch Cir, Boulder, CO 80301, 5 beds, 3.5 baths

$895,000

5 beds3.5 baths3,133 sq ft

5521 Glendale Gulch Cir, Boulder, CO 80301

Property at 2932 Casalon Cir, Superior, CO 80027, 4 beds, 3.5 baths

$1,070,000

4 beds3.5 baths4,039 sq ft

2932 Casalon Cir, Superior, CO 80027

Property at 1301 Graham Cir, Erie, CO 80516, 6 beds, 4 baths

$706,000

6 beds4 baths3,606 sq ft

1301 Graham Cir, Erie, CO 80516

Listing provided by REColorado as Distributed by MLS Grid

Property at 487 Millionaire Dr, Boulder, CO 80302, 3 beds, 3 baths

$999,000

3 beds3 baths2,753 sq ft

487 Millionaire Dr, Boulder, CO 80302

Listing provided by REColorado as Distributed by MLS Grid

Property at 5354 2nd St, Boulder, CO 80304, 6 beds, 6.5 baths

$3,495,000

6 beds6.5 baths5,106 sq ft

5354 2nd St, Boulder, CO 80304

Property at 3657 Larkwood Ct, Boulder, CO 80304, 4 beds, 3 baths

$1,550,000

4 beds3 baths2,858 sq ft

3657 Larkwood Ct, Boulder, CO 80304

Listing provided by REColorado as Distributed by MLS Grid

Property at 9 Eagle Nest Ln, Lyons, CO 80540, 3 beds, 3 baths

$1,050,000

3 beds3 baths3,520 sq ft

9 Eagle Nest Ln, Lyons, CO 80540

Property at 4061 Spy Glass Ln, Longmont, CO 80503, 4 beds, 4 baths

$1,999,000

4 beds4 baths5,005 sq ft

4061 Spy Glass Ln, Longmont, CO 80503

Listing provided by REColorado as Distributed by MLS Grid

Property at 3612 Ridge Rd, Nederland, CO 80466, 4 beds, 4 baths

$973,000

4 beds4 baths2,850 sq ft

3612 Ridge Rd, Nederland, CO 80466

Listing provided by REColorado as Distributed by MLS Grid

Property at 1501 S Seibert Ct, Superior, CO 80027, 4 beds, 3.5 baths

$1,124,000

4 beds3.5 baths3,562 sq ft

1501 S Seibert Ct, Superior, CO 80027

Property at 716 Brook Rd, Boulder, CO 80302, 3 beds, 3.5 baths

$1,425,000

3 beds3.5 baths3,890 sq ft

716 Brook Rd, Boulder, CO 80302

Property at 1720 Lombardy Dr, Boulder, CO 80304, 4 beds, 3 baths

$1,389,000

4 beds3 baths2,226 sq ft

1720 Lombardy Dr, Boulder, CO 80304

Listing provided by REColorado as Distributed by MLS Grid

Property at 7855 Spring Dr, Boulder, CO 80303, 4 beds, 4.5 baths

$3,895,000

4 beds4.5 baths5,275 sq ft

7855 Spring Dr, Boulder, CO 80303

Property at 7372 Olde Stage Rd, Boulder, CO 80302, 3 beds, 3.5 baths

$1,995,000

3 beds3.5 baths4,665 sq ft

7372 Olde Stage Rd, Boulder, CO 80302

Property at 1466 Greenbriar Blvd, Boulder, CO 80305, 4 beds, 3.5 baths

$639,900

4 beds3.5 baths2,379 sq ft

1466 Greenbriar Blvd, Boulder, CO 80305

Property at 3739 Florentine Cir, Longmont, CO 80503, 4 beds, 4 baths

$879,000

4 beds4 baths4,005 sq ft

3739 Florentine Cir, Longmont, CO 80503

Property at 2160 Upland Ave, Boulder, CO 80304, 6 beds, 5.5 baths

$4,500,000

6 beds5.5 baths5,232 sq ft

2160 Upland Ave, Boulder, CO 80304

Property at 1341 Dogwood Ln, Longmont, CO 80501, 5 beds, 3 baths

$439,900

5 beds3 baths2,142 sq ft

1341 Dogwood Ln, Longmont, CO 80501

Listing provided by REColorado as Distributed by MLS Grid

Property at 39 Spring Ln, Boulder, CO 80302, 3 beds, 2 baths

$900,000

3 beds2 baths2,734 sq ft

39 Spring Ln, Boulder, CO 80302

Property at 1808 Wildrose Dr, Longmont, CO 80503, 3 beds, 2.5 baths

$575,000

3 beds2.5 baths2,217 sq ft

1808 Wildrose Dr, Longmont, CO 80503

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Based on information submitted to the MLS GRID as of Fri Nov 06 2026. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Homes with Basements for Sale in Boulder County

There are currently 779 homes with basements for sale in Boulder County at a median listing price of $750K. Some of these homes are "Hot Homes," meaning they're likely to sell quickly. Most homes for sale in Boulder County stay on the market for 80 days and receive 4 offers. This map is refreshed with the newest listings in Boulder County every 15 minutes.

In the past month, 317 homes have been sold in Boulder County. In addition to houses in Boulder County, there were also 286 condos, 262 townhouses, and 45 multi-family units for sale in Boulder County last month. Find your dream home in Boulder County using the tools above. Use filters to narrow your search by price, square feet, beds, and baths to find homes that fit your criteria. Our top-rated real estate agents in Boulder County are local experts and are ready to answer your questions about properties, neighborhoods, schools, and the newest listings for sale in Boulder County. If you're looking to sell your home in the Boulder County area, our listing agents can help you get the best price. Redfin is redefining real estate and the home buying process in Boulder County with industry-leading technology, full-service agents, and lower fees that provide a better value for Redfin buyers and sellers.

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