New Construction Homes for Sale in Boulder County, CO

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  $3,080,000 Lot/Land

  2430 Lillie Ct, Longmont, CO 80504

  • 1.86 Acres
  • $1,655,914 per Acre

  14 fully developed duplex lots for sale. You can build a half-duplex per lot so 7 duplexes total. These were bank owned lots that went to foreclosure and now being resold.

  Aaron Grant Grant Real Estate LLC

  2430 Lillie Ct, Longmont, CO 80504
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  $190,000 Lot/Land

  908 Sugarmill Ave, Longmont, CO 80504

  • 7,840 Sq Ft
  • $1,055,556 per Acre

  Rare opportunity to build your custom dream home in the heart of Longmont. This premium vacant lot spans over 8,000 sq. ft., offering the perfect canvas for your personalized floor plan, a spacious back yard and outdoor living area with mountain views from the front and back. Best of all, there is no HOA. This is an incredibly rare find to secure an affordable piece of land in a highly desirable

  Brian Terry Bosch Real Estate Group, LLC

  908 Sugarmill Ave, Longmont, CO 80504
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  $7,800,000 Lot/Land

  0 Rozena Dr Unit IRE1055898, Hygiene, CO 80503

  • 31.69 Acres
  • $246,134 per Acre

  Introducing a once-in-a-lifetime opportunity to claim one of the most significant, versatile pieces of land in Boulder County. At 0 Rozena Drive, over 31 pristine acres offer a rare canvas to bring your legacy vision to life, centered around a private 16.6-acre, spring-fed lake. A personal body of water of this scale, held in its entirety, is nearly impossible to come by in the Front Range. For

  Lucy Conklin Compass - Boulder

  0 Rozena Dr Unit IRE1055898, Hygiene, CO 80503
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  $410,000 Lot/Land

  6109 Red Hill Rd, Boulder, CO 80302

  • 1.34 Acres
  • $305,970 per Acre

  6109 Red Hill Road is a beautiful 1.4 acre property with 360-degree views of Boulder's iconic foothills. Set high above, this parcel offers a setting of unmatched beauty, where each direction reveals a new panorama-from rugged mountain peaks to the vibrant city below. The property is well-positioned for building, with an approved Boulder County Site Plan already in place and conditionally

  Nick Duncan LIV Sotheby's Intl Realty

  6109 Red Hill Rd, Boulder, CO 80302
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  $650,000 Lot/Land

  2240 Bluff St, Boulder, CO 80304

  • 3,920 Sq Ft
  • $7,222,222 per Acre

  Rarely available vacant lot in Whittier, just 3 blocks to Pearl Street! Sunny corner lot surrounded by mature trees, well-cared for historic homes, and modern rebuilds. This property presents a fantastic opportunity to build a custom home with an attached ADU within walking distance of Pearl Street shops, cafes, restaurants, Boulder Theater, Whole Foods, parks, schools and more. Buyers must

  Laura Morningstar Compass - Boulder

  2240 Bluff St, Boulder, CO 80304
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  $725,000 Lot/Land

  380 S Taylor Ave Unit 18, Louisville, CO 80027

  • 1.22 Acres
  • $594,262 per Acre

  Vacant, easily accessible 1.22 acre corner lot, making it an attractive location for one of the last developable lots in the Colorado Tech Center (CTC). This lot is ideal for an Owner Occupant Build to Suit, as it benefits from the City of Louisville's PCZD-I overlay zoning, which permits a broad range of commercial uses. Spanning over 400 acres, the CTC is Louisville's largest commercial and

  Anna Kalchyk Realty One Group Platinum Elite Colorado

  380 S Taylor Ave Unit 18, Louisville, CO 80027
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  $12,000 Lot/Land

  166 High St, Jamestown, CO 80455

  • 27,878 Sq Ft
  • $18,750 per Acre

  Perched on the hillside above Main St in Jamestown. No Road access. Check with Boulder County on possible usage.

  Jason Meglich RE/MAX of Boulder, Inc

  166 High St, Jamestown, CO 80455
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  $360,000 Lot/Land

  352 Shawnee Ln, Superior, CO 80027

  • 3,484 Sq Ft
  • $4,500,000 per Acre

  Fabulous opportunity to build your dream home on a west facing lot in the Sagamore subdivision in Superior with NO HOA. Close proximity and walking distance to restaurants, shops, grocery stores, and various other amenities and easy access to trail system, bike trails, and public transportation. Easy commute to Boulder (5 miles away) and Denver. The original home was 4 beds, 3 baths, 2835 sq ft,

  Ryan Bass Compass - Boulder

  352 Shawnee Ln, Superior, CO 80027
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  $125,000 Lot/Land

  0 Sparn Way Unit IRE1062572, Jamestown, CO 80455

  • 1.01 Acres
  • $123,762 per Acre

  Build your dream home on this pristine one-acre mountain lot. Access is easy via paved, county-maintained roads leading to a level building site surrounded by towering pines and a beautiful aspen grove. The gentle terrain makes this an ideal homesite with potentially lower development costs. Utilities include electric service at the property line; a well and septic system will be needed. Enjoy

  Zen Ogsbury HomeSmart Realty

  0 Sparn Way Unit IRE1062572, Jamestown, CO 80455
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  $365,000 Lot/Land

  0 Longmont Dam Rd Unit 2, Lyons, CO 80540

  • 22,215 Sq Ft
  • $715,686 per Acre

  Build your dream cabin with a deck literally overlooking this serene bend in the North St Vrain Creek. This rare, 0.51 acre grandfathered lot has Boulder County Planning Department dwelling size confirmation for just over a 2,100 square foot dwelling. The entire lot is above the Boulder County Floodplain elevation. Your very own quiet dream space you've been looking for. Spend lazy afternoons fly

  Lynne McDougal WK Real Estate

  0 Longmont Dam Rd Unit 2, Lyons, CO 80540
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  $1,300,000 Lot/Land

  0 Longmont Dam Rd Unit 3, Lyons, CO 80540

  • 51.13 Acres
  • $25,425 per Acre

  Have you ever dreamed of......a cabin on the river? Fly fishing the tailwaters of Button Rock Reservoir and Canyon? Your own swimming hole on the North St Vrain Creek? Hiking on acres of your own beautiful treed canyon land that wraps both sides of the North St. Vrain for a quarter mile and extends up the canyonside to abut Hall Ranch and USFS open space, and over 75 miles of connecting trails

  Lynne McDougal WK Real Estate

  0 Longmont Dam Rd Unit 3, Lyons, CO 80540
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  $450,000 Lot/Land

  1640 Benjamin Ln, Lafayette, CO 80026

  • 4,791 Sq Ft
  • $4,090,909 per Acre

  Rare opportunity to build in the heart of Lafayette, located in highly desirable Boulder County. This ~0.11-acre homesite (4,687 sq ft) offers the perfect setting for a thoughtfully designed custom residence in one of the Front Range's most sought-after communities.This manageable lot size allows for the construction of a beautiful single-family home while maintaining low exterior maintenance,

  Elissa Tompkins HomeSmart

  1640 Benjamin Ln, Lafayette, CO 80026
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  $200,000 Lot/Land

  105 Millionaire Dr E Unit 4, Boulder, CO 80302

  • 5.96 Acres
  • $33,557 per Acre

  Build your dream home on 5.95 acres and only 7 miles from Boulder!!! Mountain Lot with several options for home sites. Come see the possibilities. Homes up to ~3,400 sqft are permissible, final determination to be provided by Boulder County. Residents contribute to small costs for maintenance of road.

  James Thomas RE/MAX Alliance

  105 Millionaire Dr E Unit 4, Boulder, CO 80302
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  $99,995 Lot/Land

  4324 Fourmile Canyon Dr, Boulder, CO 80302

  • 2.48 Acres
  • $40,321 per Acre

  Stunning hilltop parcel of raw land featuring mature trees, natural rock outcroppings, and the potential for scenic canyon views when building your dream home. Fourmile Canyon Creek runs through a portion of the property, adding natural beauty and seasonal ambiance, while the primary buildable acreage sits across the road on elevated ground, providing privacy and an ideal setting for a future

  Michael Barnes LPT Realty

  4324 Fourmile Canyon Dr, Boulder, CO 80302
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  $380,000 Lot/Land

  111 Peaceful Valley Rd, Lyons, CO 80540

  • 16,988 Sq Ft
  • $974,359 per Acre

  Twenty-two miles from Boulder. Eighteen from Lyons. Twenty-four from Estes Park. And then-the turnoff.111 Peaceful Valley Road. The name alone sounds like somebody slipped a little frontier myth into the county records.A riverfront spread of ~0.40 acres lifting itself just above the Middle Fork of the St. Vrain River, like it knows exactly where the floodwater stops and the good life starts.

  Marcelle Partridge Coldwell Banker Realty-Boulder

  111 Peaceful Valley Rd, Lyons, CO 80540
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  $1,200,000 Lot/Land

  2685 Eagle Ridge Rd, Lyons, CO 80540

  • 10 Acres
  • $120,000 per Acre

  Excellent views of Lyons, Boulder, Denver, Pikes Peak, Longs Peak, Front Range, Back Range, Heil & Hall Ranch Open Space. Semi-private dirt road to property. Surveyed. Topography is flat to sloping w/some steep. Includes architectural plans for a 2592 square foot (24'x54'), 2 story detached garage/storage building. Excellent solar potential. Lots of moss rock. Abundant wildlife. 12,000 gallon

  Lance Bieber Berkshire Hathaway HomeServices Rocky Mountain, Realtors-Boulder

  2685 Eagle Ridge Rd, Lyons, CO 80540
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  $599,000 Lot/Land

  105 S Caribou St, Nederland, CO 80466

  • 1.4 Acres
  • $427,857 per Acre

  A rare chance to secure a peaceful homesite featuring private frontage along Middle Boulder Creek, offering an exceptional setting for true Creekside mountain living. Opportunities like this are virtually unheard of—no other vacant parcel in town provides such expansive creek access. Picture yourself cooling off in the water on warm summer afternoons from your own natural “beach,” or casting a

  Chad Tyler Tyler Donegan Duncan Real Estate Services, Inc.

  105 S Caribou St, Nederland, CO 80466
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  $179,500 Lot/Land

  739 Divide View Dr, Golden, CO 80403

  • 1.38 Acres
  • $130,072 per Acre

  Escape the noise and find your footing on this stunning 1.38-acre retreat in Coal Creek Canyon. Perfectly positioned for the adventurer, this lot offers endless exploration right from your doorstep with nearby trails and easy access to local State Parks and Boulder Creek. It’s more than just land; it’s an invitation to a lifestyle of privacy and serenity. Bring your blueprints, or use the set

  Athena Brownson Your Castle Real Estate Inc

  739 Divide View Dr, Golden, CO 80403
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  $399,900 Lot/Land

  2313 Glacier Ct, Lafayette, CO 80026

  • 7,840 Sq Ft
  • $2,221,667 per Acre

  Great 8,048 Sq Ft Building Lot With Beautiful Mountain Views. Welcome To Trail Ridge West, A Boutique 14 Lot Subdivision With New High Quality Contemporary Homes Designed For Today's Lifestyles. Located Near The Indian Peaks Golf Course and Waneka Lake and Only A Short Scenic 15 Minute Drive To Boulder and Only 5 Minutes To Downtown Louisville and Lafayette. Plans Are Shovel Ready For A Spacious

  Paul Calcagno WK Real Estate

  2313 Glacier Ct, Lafayette, CO 80026
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  $180,000 Lot/Land

  0 Lewis Ln Unit REC6145287, Lyons, CO 80540

  • 10.14 Acres
  • $17,751 per Acre

  Perched above the town of Lyons, this 10-acre property delivers a drive you won't forget — wind up Lewis Lane and panoramic views of Longs Peak and the town below unfold at every turn. Just 30 minutes to Longmont and 45 to Denver, it feels worlds away. Set on a former mining quarry, the land is threaded with striking natural redstone formations and bordered by a conservation easement, ensuring

  Wesley Charles eXp Realty, LLC

  0 Lewis Ln Unit REC6145287, Lyons, CO 80540
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  $500,000 Lot/Land

  1241 Jefferson Ave Unit 1/2, Louisville, CO 80027

  • 5,227 Sq Ft
  • $4,166,667 per Acre

  Rare Old Town Louisville Residential Development Opportunity! Located in the heart of Old Town Louisville, this lot offers the chance to create a custom residence in a neighborhood known for its historic charm, vibrant Main Street, and unmatched walkability.Just blocks from downtown, future owners can enjoy Louisville's award-winning restaurants, boutiques, coffee shops, community events, farmers

  Bernadette Morrissey The Colorado RE Group LLC

  1241 Jefferson Ave Unit 1/2, Louisville, CO 80027
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  $3,900,000 Lot/Land

  1560 Sumac Ave, Boulder, CO 80304

  • 40,946 Sq Ft
  • $4,148,936 per Acre

  Tremendous opportunity to purchase one of the largest properties left to develop in the heart of coveted North Boulder! With a lot size of 40,897 square feet and RL-1 zoning, multiple building options could include a 4 and potentially 5 lot subdivision OR build a true dream estate among some of the finest residences in town. This premium lot features endless southern exposure with unobstructed

  Stephen Remmert Compass - Boulder

  1560 Sumac Ave, Boulder, CO 80304
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  $1,350,000 Lot/Land

  7474 Spring Dr, Boulder, CO 80303

  • 43,124 Sq Ft
  • $1,363,636 per Acre

  Surrounded by some of the most architecturally stunning new builds in Boulder County, this .99-acre lot in prestigious Paragon Estates offers the perfect opportunity to design and build your luxury custom estate. Perched on a gentle rise, the property captures sweeping, unobstructed views from Eldorado Canyon and the Boulder Flatirons to Longs Peak, a truly breathtaking backdrop for any dream

  Sage Swink Berkshire Hathaway HomeServices Colorado Real Estate, LLC – Erie

  7474 Spring Dr, Boulder, CO 80303
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  $1,200,000 Lot/Land

  4444 Sunshine Canyon Dr, Boulder, CO 80302

  • 43.26 Acres
  • $27,739 per Acre

  One of 3 "Boulder County Approved" Building sites, a part of the 95 acre north portion of Bald Mountain Reserve was sold by the state of Colorado in 2019. This "never before on the market, 95 acre piece of land went into private ownership. The new owners subdivided this land into 3 separate parcels. A 5,000 sq ft home can be built on each one. Perfectly situated less than a half mile from paved

  Bruce Drogsvold WK Real Estate

  4444 Sunshine Canyon Dr, Boulder, CO 80302
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  $299,950 Lot/Land

  430 Carter Dr, Lyons, CO 80540

  • 7,840 Sq Ft
  • $1,666,389 per Acre

  Spectacular View lot overlooking the town of Lyons, Steamboat mountain to the North and the back range. City owner open space behind with great access to trails, mountain biking, and hiking. This lot has already been graded for a drive under 2 story custom home to capture the view. All utilities are in. See photos for reference design house plans. HOA membership is optional. Buyers and their

  KEITH CHATFIELD HomeSmart Westminster

  430 Carter Dr, Lyons, CO 80540
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  $399,000 Lot/Land

  6041 Olde Stage Rd, Boulder, CO 80302

  • 2.6 Acres
  • $153,462 per Acre

  Set on 2.6 acres just minutes from downtown Boulder, this parcel presents sweeping views of the foothills, plains, and Boulder Reservoir. The setting offers both privacy and proximity, making it an ideal site for a refined retreat. The property is prepared with a driveway and flagstone walls. Electricity and natural gas are available at the lot line through Xcel Energy, and an existing septic

  Nick Duncan LIV Sotheby's Intl Realty

  6041 Olde Stage Rd, Boulder, CO 80302
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  $395,000 Lot/Land

  1475 Davis Ct, Erie, CO 80516

  • 13,068 Sq Ft
  • $1,316,667 per Acre

  Bring your dream home to life on this exceptional cul-de-sac lot, gracefully nestled among distinguished custom homes in the highly sought-after Erie Village community. Perfectly positioned to capture unobstructed, panoramic mountain views and backing to peaceful open space, this rare offering promises unrivaled privacy and an inspiring natural backdrop. Imagine waking each morning to majestic

  Mindy Nassar Compass Colorado, LLC - Boulder

  1475 Davis Ct, Erie, CO 80516
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  $200,000 Lot/Land

  306 Olde Carter Lake Rd, Golden, CO 80403

  • 33,541 Sq Ft
  • $259,740 per Acre

  Escape to your very own authentic Colorado 3/4 acre land that is ready to be developed with an existing small cabin already there. Build your own and/or keep this charming, rustic cabin is nestled amidst serene surroundings, offering unparalleled mountain views and privacy. Perched on top of an ancient rock formation with a huge new composite deck overlooking the Aspens and Evergreens. This is an

  Sean McGowan Fulcrum Real Estate

  306 Olde Carter Lake Rd, Golden, CO 80403
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  $412,000 Lot/Land

  3803 James Canyon Dr, Jamestown, CO 80455

  • 3.68 Acres
  • $111,957 per Acre

  Basecamp Jamestown is mountain land that's already up and running. Power is on site, city water and sewer are in place, a septic system is permitted for three bedrooms, and two 1,500-gallon cisterns stand ready. Skip the years of groundwork; this property is ready for you now. There's plenty to enjoy from the moment you arrive. A 1,200-square-foot storage building is powered, heated by a wood

  The Bernardi Group Coldwell Banker Realty-Boulder

  3803 James Canyon Dr, Jamestown, CO 80455
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  $499,000 Lot/Land

  730 Satisfaction Cir, Longmont, CO 80501

  • 4,356 Sq Ft
  • $4,990,000 per Acre

  Lot 3 - Prime Buildable Lot with Utilities ! 4,505 SQFT Lot 3 of 5 - a fantastic opportunity for builders or future homeowners ready to bring their vision to life! This spacious 4,505 SQFT lot comes fully equipped with gas, water, and electrical hook-ups, making it ready for immediate development. Soils report and survey available for serious Buyers. Approved plans are also offered to the Buyer

  Cari Higgins Compass - Boulder

  730 Satisfaction Cir, Longmont, CO 80501
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  $2,200,000 Lot/Land

  11 Benchmark Dr, Boulder, CO 80303

  • 1 Acre
  • $2,200,000 per Acre

  THE BENCHMARK. One acre at the peak of Benchmark. Flatirons and snow-capped peaks to the west, Davison Mesa open space and eastern sunrises behind, unobstructed in both directions, with no homes in either sightline. This is one of twelve lots in Boulder's Benchmark HOA, and it sits at the top. The previous home was lost in the Marshall Fire. What remains is a cleared site with infrastructure most

  The Bernardi Group Coldwell Banker Realty-Boulder

  11 Benchmark Dr, Boulder, CO 80303
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  $875,000 Lot/Land

  3792 Eldorado Springs Dr, Boulder, CO 80303

  • 1.14 Acres
  • $767,544 per Acre

  Here is an opportunity to get away from it all. The 1.17-acre lot has been in the family for decades but the current owner has moved out of state before developing it. Privately nestled behind a rise and facing the Flatirions, the parcel is practically alone but with easy access, bounded by Open Space along two sides. The urban sprawl will not encroach here. Large enough to build on and small

  Karen Libin KL Realty

  3792 Eldorado Springs Dr, Boulder, CO 80303
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  $499,000 Lot/Land

  740 Satisfaction Cir, Longmont, CO 80501

  • 4,356 Sq Ft
  • $4,990,000 per Acre

  Lot 2 - Prime Buildable Lot with Utilities ! 4,510 SQFT Lot 2 of 5 - a fantastic opportunity for builders or future homeowners ready to bring their vision to life! This spacious 4,510 SQFT lot comes fully equipped with gas, water, and electrical hook-ups, making it ready for immediate development. Soils report and survey available for serious Buyers. Approved plans are also offered to the Buyer

  Cari Higgins Compass - Boulder

  740 Satisfaction Cir, Longmont, CO 80501
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  $375,000 Lot/Land

  149 Millionaire Dr W, Boulder, CO 80302

  • 4.53 Acres
  • $82,781 per Acre

  149 Millionaire Drive West is a land opportunity rare gem nestled amidst nature's grandeur, where private serenity meets adventure. Owners have completed/can convey architectural plans for an approx 2500 sq.ft lovely mountain modern residence AND an issued Boulder County conditional approval to build, saving you 1-2 years of planning. Homes up to approx. 4,200-4,400 sq. ft. may be permissible

  Michelle Steiner Compass - Boulder

  149 Millionaire Dr W, Boulder, CO 80302
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  $99,000 Lot/Land

  0 Pine Dr Unit IRE1051456, Lyons, CO 80540

  • 29,185 Sq Ft
  • $147,761 per Acre

  Affordable mountain lot with views only 15 minutes from Lyons. BORDERS NATIONAL FOREST!!! Mostly level so easy to build. Lots of trees and views of Indian Peaks as well as the surrounding foothills. Easily accessed from Highway 7. Enjoy thousands of acres of national forest land for hiking, mountain biking, snowshoeing, etc.

  Rob Lewis KL Realty

  0 Pine Dr Unit IRE1051456, Lyons, CO 80540
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  $725,000 Lot/Land

  1182 Ridge Rd, Nederland, CO 80466

  • 5.11 Acres
  • $141,879 per Acre

  Set above the shimmering waters of Barker Reservoir, this extraordinary 5-acre homesite offers a rare opportunity to create a refined mountain retreat in the heart of Nederland. Framed by sweeping alpine vistas, the setting balances a sense of seclusion with easy access to the charm of downtown Nederland's shops, restaurants and year-round community, as well as nearby Eldora Mountain Resort.

  Olga De Lange milehimodern - Boulder

  1182 Ridge Rd, Nederland, CO 80466
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  $158,800 Lot/Land

  3800 Fourth of July Rd, Nederland, CO 80216

  • 39.7 Acres
  • $4,000 per Acre

  Buyer to verify all information. Seller open to price negotiation if Buyer is interested in more than one of the three parcels listed for sale. There is no parking along 4th of July Road and no direct access to property. This is hike-in only access from the 4th of July trailhead. Parking is first come first serve basis at the 4th of July trailhead and is controlled by the Forest Service. If you

  Tyler Mann Appreciate Realty CO

  3800 Fourth of July Rd, Nederland, CO 80216
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  $420,000 Lot/Land

  730 Lost Angel Rd, Boulder, CO 80302

  • 2.41 Acres
  • $174,274 per Acre

  Perched in one of Sugarloaf's most sought-after mountain communities, this exceptional 2.41-acre homesite offers the perfect opportunity to build your Colorado dream home. Enjoy sweeping panoramic views of rolling meadows, forested hillsides, and snow-capped peaks stretching across the horizon. The gently sloping lot provides multiple potential building sites, allowing you to maximize both

  Emily Perry Indian Peaks Real Estate

  730 Lost Angel Rd, Boulder, CO 80302
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  $845,000 Lot/Land

  9715 Meadow Ridge Ln, Longmont, CO 80504

  • 10.51 Acres
  • $80,400 per Acre

  Create your dream home on this exceptional 10-acre lot in the heart of Boulder County. With permit-ready custom home plans and a minimum 2,600 sq. ft. above-ground build requirement, this property offers flexibility and a fast track to construction-or the freedom to tailor the design to your vision.Located within the exclusive gated community of Meadow Green Farm, the lot is surrounded by mature

  Andy Sepac LIV Sotheby's Intl Realty

  9715 Meadow Ridge Ln, Longmont, CO 80504
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  $1,075,000 Lot/Land

  9634 Mountain Ridge Dr, Boulder, CO 80302

  • 2.18 Acres
  • $493,119 per Acre

  Premier Mountain Ridge custom home building in the Boulder foothills. This amazing site has panoramic plains, Boulder city lights and mountain views. Extremely private lot offers a walkout building opportunity. Located just north of Lake of the Pines. You can bring your own builder or Masterwork Home Company can assist you with complete design and construction services.

  Brian Terry Bosch Real Estate Group, LLC

  9634 Mountain Ridge Dr, Boulder, CO 80302

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