New Construction Homes for Sale in Boulder County, CO

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  $9,950,000 Custom Home

  12357 N 75th St, Longmont, CO 80503

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

  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, this Boulder County estate offers natural beauty, luxury, and privacy just 20 minutes from downtown Boulder. At the heart of the property is a newly

  Hunter Jorgensen Compass - Boulder

  12357 N 75th St, Longmont, CO 80503
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  $699,950 Custom Home

  1076 Bunting Dr, Erie, CO 80026

  • 4 Beds
  • 2.5 Baths
  • 2,454 Sq Ft

  **READY EARLY FALL 2026!!** UNFINISHED BASEMENT**You’re sure to love this charming Nina home! The inviting main floor offers a convenient powder room and pocket office, a gourmet kitchen with a large walk-in pantry and center island, an elegant great room, and an open dining area. Upstairs, enjoy a versatile loft, a laundry, three secondary bedrooms with a shared bath, and a lavish primary suite

  Todd Baker Richmond Realty Inc

  1076 Bunting Dr, Erie, CO 80026
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  $449,000 Custom Home

  374 Bountiful Ave, Longmont, CO 80501

  • 3 Beds
  • 3 Baths
  • 1,364 Sq Ft

  Welcome to True North in Longmont, where charm, convenience, and community come together. These ready to move in fresh, modern homes are designed for both function and energy efficiency. Each residence is Net Zero Ready, offering sustainable living without sacrificing comfort or style. Thoughtful details and smart layouts make every home beautiful, practical, and ready for today's lifestyle. This

  Ryan Mogan First Summit Realty

  374 Bountiful Ave, Longmont, CO 80501
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  $1,700,000 Custom Home

  953 Saint Andrews Ln, Louisville, CO 80027

  • 6 Beds
  • 4 Baths
  • 4,041 Sq Ft

  OPEN HOUSE this Sunday, 1 to 3 pm--July 12th! Welcome to this exquisite custom-built home nestled in the heart of Boulder County! A luxurious residence offers 6 spacious (or 4 BRs/2 offices), 4 baths, & a generous 4041 sq ft of stunning living space! Experience the unobstructed views of Flatirons from the covered patio spanning 45 ft! (outdoor oasis--900 sq ft +/- of covered private patio

  Cynthia Arey Living N Colorado

  953 Saint Andrews Ln, Louisville, CO 80027
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  $9,980,000 Custom Home

  11562 Eagle Springs Trail, Longmont, CO 80503

  • 6 Beds
  • 8 Baths
  • 7,239 Sq Ft

  This Net Zero Sanctuary in Caribou Springs Ranch is a rare convergence of visionary design, environmental intelligence, and uncompromising luxury.Masterfully built by Stringer Construction,this 7,239sqft architectural estate is gracefully set upon 5.4 pristine acres,where privacy,serenity, and natural beauty unfold in every direction.Thoughtfully curated for elevated living,the residence has 2

  Ashley Stringer The Agency - Boulder

  11562 Eagle Springs Trail, Longmont, CO 80503
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  $750,000 Custom Home

  1739 Great Western Dr, Longmont, CO 80501

  • 14,316 Sq Ft

  Infill site for a planned 14 unit apartment building in the Mill Village Subdivision. .

  Dave Wickum Builders Brokerage LLC

  1739 Great Western Dr, Longmont, CO 80501
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  $3,100,000 Custom Home

  5083 Cottonwood Dr, Boulder, CO 80301

  • 4 Beds
  • 4.5 Baths
  • 3,262 Sq Ft

  TO BE BUILT by Sopris Homes in one of Boulder County's most sought-after neighborhoods, this custom Net-Zero ranch-style residence blends luxury, efficiency & effortless single-level living. Situated on a quiet 1/3 ACRE (12,566 SQFT) level-lot surrounded by mature trees and established homes, the property will offer exceptional curb-appeal with stone accents, a covered front entry & oversized

  Patrick Dolan RE/MAX of Boulder, Inc

  5083 Cottonwood Dr, Boulder, CO 80301
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  $4,950,000 Custom Home

  2160 Upland Ave Unit A, Boulder, CO 80304

  • 6 Beds
  • 5.5 Baths
  • 5,232 Sq Ft

  Upland Outlook. Some homes are designed. This one was considered. Every room oriented toward light, every finish chosen to age well, every square foot earning its place in the plan. The great room announces the scale immediately: vaulted ceilings, a wall of glass dissolving the line between inside and out, a gas fireplace anchoring the space on the axis that matters most, the Flatirons, framed as

  The Bernardi Group Coldwell Banker Realty-Boulder

  2160 Upland Ave Unit A, Boulder, CO 80304
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  $2,795,000 Custom Home

  402 S 3rd Ave, Superior, CO 80027

  • 5 Beds
  • 5 Baths
  • 6,068 Sq Ft

  Newly constructed in the heart of Old Town Superior, this two-story residence was designed to enrich daily living at every turn. Just steps from Coal Creek, open space, and miles of trails, it offers a rare balance of architectural sophistication and everyday comfort in one of Superior's most sought-after locations.Expansive windows fill the main level with natural light, where an open-concept

  Tom Studebaker CORE Residential

  402 S 3rd Ave, Superior, CO 80027
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  $950,000 Lot/Land

  75 Sugarloaf Rd, Boulder, CO 80302

  • 21.05 Acres
  • $45,131 per Acre

  Perched above Boulder Creek, this 21-acre property is an ideal homesite for your dream mountain retreat just minutes from Boulder. The south-facing site offers privacy, foothill views, mature trees, and dramatic rock outcroppings. With a well, power, and septic already in place, plus direct access to National Forest, it provides a rare head start on building in one of Boulder County's most

  Stephen Felker Hayden Outdoors Real Estate

  75 Sugarloaf Rd, Boulder, CO 80302
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  $259,000 Lot/Land

  1040 5th Ave 2 and 4, Lyons, CO 80540

  • 37,461 Sq Ft
  • $301,163 per Acre

  Seller financing available! Discover this convenient industrial unit near the heart of Lyons, Colorado. The 3,841 +/- SF space is ideally located and well-suited for small business owners, hobbyists, or investors. Part of a unique six-unit complex, this is a rare opportunity in the area. Stop renting your workspace and start building equity in a space of your own.Improvements This

  Chase Hinson Hayden Outdoors Real Estate

  1040 5th Ave 2 and 4, Lyons, CO 80540
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  $249,000 Lot/Land

  1040 5th Ave 5, Lyons, CO 80540

  • 37,461 Sq Ft
  • $289,535 per Acre

  Seller financing available! Discover this convenient industrial unit near the heart of Lyons, Colorado. The 1,864 +/- SF space is ideally located and well-suited for small business owners, hobbyists, or investors. Part of a unique six-unit complex, this is a rare opportunity in the area. Stop renting your workspace and start building equity in a space of your own.Improvements This

  Chase Hinson Hayden Outdoors Real Estate

  1040 5th Ave 5, Lyons, CO 80540
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  $595,000 Lot/Land

  5260 Ridge Rd, Nederland, CO 80466

  • 33.68 Acres
  • $17,666 per Acre

  Falls Pointe Private Nature Reserve. A rare offering within the gated enclave of Falls Pointe, this remarkable 33.6-acre parcel captures the essence of Colorado mountain living at its most refined. Set within an exclusive six-lot subdivision near Nederland, the property unfolds as a private nature sanctuary, where sweeping panoramas extend from the snowcapped Continental Divide to the shimmering

  The Bernardi Group Coldwell Banker Realty-Boulder

  5260 Ridge Rd, Nederland, CO 80466
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  $900,000 Lot/Land

  5511 Pioneer Rd, Boulder, CO 80301

  • 35,283 Sq Ft
  • $1,111,111 per Acre

  A rare gem in a prime Boulder location! For the first time on the market, this lovingly cared-for, one-owner home at 5511 Pioneer Rd is ready for its next chapter. Built in 1965, this residence exudes charm. Situated on a spacious corner lot, this property offers convenient main-level living with three bedrooms and two bathrooms. With 3,122 total square feet and a full basement, there is ample

  Kathryn Pancost Hayden Outdoors Real Estate

  5511 Pioneer Rd, Boulder, CO 80301
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  $284,500 Lot/Land

  12910 Woodridge Dr, Longmont, CO 80504

  • 1.13 Acres
  • $251,770 per Acre

  Interior 1.13-Acre Custom Homesite in Gated Wood Meadows - Stunning Views Await! Discover this exceptional east-facing lot in the exclusive, gated community of Wood Meadows, offering breathtaking mountain views from your future backyard and sunrise views out front! The HOA thoughtfully includes trash service for added convenience. A major value highlight: The original developer prepaid the water

  Shana Morgan NorthStar Realty of Colorado

  12910 Woodridge Dr, Longmont, CO 80504
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  $115,000 Lot/Land

  555 Riverside Dr, Lyons, CO 80540

  • 16,988 Sq Ft
  • $294,872 per Acre

  Build your dream cabin in the rustic townsite of Riverside. Enjoy the sites & sounds of the South St. Vrain Creek. Well drilled, pump installed. Letter of Determination on file with the county. Cabin size limited to 1500 square feet. Easy access to Lyons, Estes Park, and the high country for recreation.

  Lance Bieber Berkshire Hathaway HomeServices Rocky Mountain, Realtors-Boulder

  555 Riverside Dr, Lyons, CO 80540
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  $499,000 Lot/Land

  710 Satisfaction Cir, Longmont, CO 80501

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

  Lot 5 - Prime Buildable Lot with Utilities ! 4,495 SQFT Lot 5 of 5 - a fantastic opportunity for builders or future homeowners ready to bring their vision to life! This spacious 4,495 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

  710 Satisfaction Cir, Longmont, CO 80501
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  $900,000 Lot/Land

  5 Ridge View Rd, Nederland, CO 80466

  • 39,204 Sq Ft
  • $1,000,000 per Acre

  Stunning Custom Home Sites in Luxury Mountain Community - Caribou Ridge, Nederland, CO Discover an exceptional opportunity to build your custom luxury mountain residence in Caribou Ridge, an exclusive boutique community nestled within a serene, forested setting just west of Boulder. This remarkable enclave offers panoramic views of the Indian Peaks and Front Range, surrounded by protected open

  Elissa Tompkins HomeSmart

  5 Ridge View Rd, Nederland, CO 80466
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  $221,500 Lot/Land

  49 Pine Dr, Lyons, CO 80540

  • 30,056 Sq Ft
  • $321,014 per Acre

  Enjoy this CO dirt the day you Close! Not all Colorado vacant land is the same and if you know "Colorado dirt" this ONE is worth your time. You WILL see the value of 49 Pine Drive. The work has already been put in, unknowns uncovered, a year's worth of time, waiting and hoops have already been jumped thru. Nothing but sheer opportunity for this spot in the Colorado mountains awaits you. Just 12.5

  Ian Phillips Coldwell Banker Realty-Boulder

  49 Pine Dr, Lyons, CO 80540
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  $5,000,000 Lot/Land

  1120 Alpine Ave, Boulder, CO 80304

  • 40,510 Sq Ft
  • $5,376,344 per Acre

  Presenting 1120-1130 Alpine Avenue, an exceptional 0.93-acre (40,349 sq. ft.) redevelopment parcel situated in the heart of Boulder's highly coveted North Broadway neighborhood. Currently improved with two medical office buildings totaling 13,657 SF, the site offers a generational canvas for a landmark mixed-use project in a notoriously high barrier-to-entry submarket. The property is primed for

  Michael-Ryan McCarty Gibbons-White, Inc.

  1120 Alpine Ave, Boulder, CO 80304
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  $125,000 Lot/Land

  225 Bobcat Way, Ward, CO 80481

  • 2.45 Acres
  • $51,020 per Acre

  Build your dream mountain retreat on this beautiful 2.45-acre homesite in the desirable Mattoons Highlands. Perched atop a hill at the end of a private road, this peaceful property offers exceptional privacy, expansive mountain views, and the perfect setting for your custom Colorado getaway. Enjoy the convenience of year-round road maintenance while being surrounded by the beauty of the Front

  Alex Jacobson Compass - Boulder

  225 Bobcat Way, Ward, CO 80481
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  $750,000 Lot/Land

  0 Wicklow St Unit IRE1055129, Boulder, CO 80303

  • 4.02 Acres
  • $186,567 per Acre

  Vacant 4+- acres bordered by Arapahoe Road access road & Wicklow Street at the entrance to Shannon Estates & White Hawk Ranch. Zoned RR (Rural Residential). Most uses will be allowed by Special Review Use by Boulder County. Check the Boulder County Zoning site for allowed/reviews uses. Many possibilities here if you will go through the process. Water taps are possible. Future annexation to the

  Steve Anderson RE/MAX Alliance-Lsvl

  0 Wicklow St Unit IRE1055129, Boulder, CO 80303
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  $550,000 Lot/Land

  695 Cutter Ln, Boulder, CO 80302

  • 17.88 Acres
  • $30,761 per Acre

  Set on nearly 18 acres in the gated community of Carriage Hill Estates, this exceptional homesite offers privacy, scale and sweeping views from Denver's skyline to a sea of evergreens. The land unfolds across a mix of meadow, forest and striking rock outcroppings, creating a dynamic and usable setting just minutes from North Boulder. Offered at $550,000, the value is rooted in the land itself - a

  Olga De Lange milehimodern - Boulder

  695 Cutter Ln, Boulder, CO 80302
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  $5,400,000 Lot/Land

  2865 Baseline Rd, Boulder, CO 80303

  • 41,382 Sq Ft
  • $5,684,211 per Acre

  A unique opportunity for sale on one of the most visited intersections in the City of Boulder - directly across the street from the University of Colorado. The property is at the Northeast corner of Baseline Road and 28th Street, the primary route into Boulder. Initial concept design supports 27 units (5 bedrooms each), which translates to $40k/bedroom. High visibility and traffic counts, easy

  Neil Littmann The Colorado Group

  2865 Baseline Rd, Boulder, CO 80303
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  $1,350,000 Lot/Land

  421 Aspen Ridge Dr, Lafayette, CO 80026

  • 1.42 Acres
  • $950,704 per Acre

  Corner lot available in Lafayette, Colorado, located within a thriving and growing business community. The property is surrounded by grocery stores and a wide variety of retail and office users, all within close proximity. The area benefitsfrom strong retail demographics and consistent consumer traffic. Hard Corner Location offering excellent visibility. Established trade area featuring, Super

  Mike Eyer CBRE Inc

  421 Aspen Ridge Dr, Lafayette, CO 80026
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  $500,000 Lot/Land

  1622 Benjamin Ln, Lafayette, CO 80026

  • 6,534 Sq Ft
  • $3,333,333 per Acre

  Opportunity to build a custom home on a 0.15-acre homesite located within the city limits of Lafayette in highly desirable Boulder County. This well-sized lot offers the ideal combination of space and low-maintenance living, providing a fantastic foundation for a thoughtfully designed single-family residence. With approximately 0.15 acres, the property provides ample room to create a beautiful

  Elissa Tompkins HomeSmart

  1622 Benjamin Ln, Lafayette, CO 80026
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  $795,000 Lot/Land

  1952 Vine Ave, Boulder, CO 80304

  • 7,840 Sq Ft
  • $4,416,667 per Acre

  Located in one of North Boulder's most desirable neighborhoods, 1952 Vine Avenue offers a rare opportunity to build a custom residential property in a setting that fully captures the Boulder lifestyle. Under the city's 2025 transit corridor zoning reforms, this parcel qualifies for a duplex or two single-family residences on the same lot - no subdivision required. This spacious, flat, level lot

  Patrick Brown Compass - Boulder

  1952 Vine Ave, Boulder, CO 80304
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  $724,000 Lot/Land

  223 Stone Canyon Rd, Lyons, CO 80540

  • 21.95 Acres
  • $32,984 per Acre

  Tucked just minutes off Hwy 36 and Stone Canyon Road, this rare 22-acre parcel offers unmatched privacy, accessibility, and is completely surrounded by Rocky Mountain views. Literally a minute or two just up Stone Canyon from the intersection on 36 - this secluded, lush oasis is bordered by Open Space and expansive private lands. This fairly level lot is ready for your vision *approved with

  Catherine Rogers C3 Real Estate Solutions LLC

  223 Stone Canyon Rd, Lyons, CO 80540
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  $149,700 Lot/Land

  1199 Brainard Lake Rd, Ward, CO 80481

  • 3.85 Acres
  • $38,883 per Acre

  Build your dream getaway here! Unmatched access to the Indian Peaks at 9,500 ft! A rare opportunity for a prime mountain property in Boulder County, the Clara D lode is 3.85 Acres surrounded by BLM/County forest land easily accessed via Brainard Lake Road, even in the winter. Diverse healthy forest with rock outcroppings and seasonal stream. Big views to the south from proposed building site and

  Timmy Duggan RE/MAX of Boulder, Inc

  1199 Brainard Lake Rd, Ward, CO 80481
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  $309,950 Lot/Land

  350 Mcconnell Dr, Lyons, CO 80540

  • 7,840 Sq Ft
  • $1,721,944 per Acre

  Ready to build home site in the town of Lyons. Quiet and established development with front range views. HOA membership is optional. Town owned open space to the rear. Buyers and their agent may tour the property by appointment only and at their own risk. Need a quick start to build? Owner is a licensed General Contractor and Custom Home Builder with building plans for this lot. See photos for

  KEITH CHATFIELD HomeSmart Westminster

  350 Mcconnell Dr, Lyons, CO 80540
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  $85,000 Lot/Land

  6055 Fourmile Canyon Dr, Boulder, CO 80302

  • 2.37 Acres
  • $35,865 per Acre

  This dream lot in the historic Wall Street area of Fourmile Canyon is ready for your vision! This property is just a beautiful short 20 minute drive from downtown Boulder, yet feels a world away. Enjoy the peaceful stream running through. No current building lot determination. Seller is willing to provide up to date information on conversations with the county in order for Buyer to do due

  Hannah Hester Live West Realty

  6055 Fourmile Canyon Dr, Boulder, CO 80302
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  $325,000 Lot/Land

  0 Longmont Dam Rd Unit 1, Lyons, CO 80540

  • 10,454 Sq Ft
  • $1,354,167 per Acre

  Rare opportunity to build your dream cabin on this 0.24 acre lot with river access on North St. Vrain Creek. This grandfathered lot has dwelling size confirmation by Boulder County for a 2,100 square foot dwelling! The entire lot is above the Boulder County Floodplain elevation. Easy access with only a few neighbors on this quiet cul de sac. The lot is served by a privately maintained four season

  Lynne McDougal WK Real Estate

  0 Longmont Dam Rd Unit 1, Lyons, CO 80540
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  $320,000 Lot/Land

  1546 Chute Rd, Golden, CO 80403

  • 35 Acres
  • $9,143 per Acre

  Views, Privacy & Adventure in the Front Range Foothill of Colorado's Rocky Mountains. 30 minutes from Boulder, Golden and Nederland. Discover the ultimate mountain escape on this stunning parcel. The driveway has been cut in. The well permit is in hand, allowing not only for household use, also for the watering of animals and irrigation of 1 acre. County Site Plan review and diagrams have been

  Janet Ingvaldsen Worth Clark Realty

  1546 Chute Rd, Golden, CO 80403
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  $490,000 Lot/Land

  1630 Benjamin Ln, Lafayette, CO 80026

  • 6,098 Sq Ft
  • $3,500,000 per Acre

  Opportunity to build a custom home on a 0.14-acre homesite located within the city limits of Lafayette in sought-after Boulder County. This well-sized lot offers the ideal balance of space and low-maintenance living, providing a great foundation for a thoughtfully designed single-family residence. With approximately 0.14 acres, the property offers enough room to create a comfortable home with

  Elissa Tompkins HomeSmart

  1630 Benjamin Ln, Lafayette, CO 80026
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  $395,000 Lot/Land

  2615 Eagle Ridge Rd, Lyons, CO 80540

  • 10 Acres
  • $39,500 per Acre

  Magnificent views of Lyons, Boulder, Denver, Pikes Peak, Longs Peak, Front Range, Back Range, Hall & Heil Ranch Open Spaces. Semi-private dead-end dirt road to property. Surveyed. Topography is flat to sloping to steep, from NE to SW. Great solar potential. 4800 gallon cistern. Lots of moss rock. Abundant wildlife. Building envelope location & max 3000 square foot house above ground dictated by

  Lance Bieber Berkshire Hathaway HomeServices Rocky Mountain, Realtors-Boulder

  2615 Eagle Ridge Rd, Lyons, CO 80540
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  $775,000 Lot/Land

  0 E 1st St Unit IRE1055555, Nederland, CO 80466

  • 5.12 Acres
  • $151,367 per Acre

  Dream it. Build it. Live it. One of the last large, developable properties within the Town of Nederland limits, offering a rare opportunity to create something truly special. With flexible potential, this property can accommodate a single-family home, multi-family development, the possibilities are endless. Located just half a mile from town, you'll enjoy both convenience and privacy. The water

  Emily Perry Indian Peaks Real Estate

  0 E 1st St Unit IRE1055555, Nederland, CO 80466
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  $249,000 Lot/Land

  134 Hurricane Hill Dr, Nederland, CO 80466

  • 40,075 Sq Ft
  • $270,652 per Acre

  Developable mountain parcel with rare water & peak views! Set in the coveted Hurricane Hill/Ridge Road community and surrounded by distinctive homes, this exceptional building lot offers a rare combination of beauty, convenience and development potential. Just minutes from the charming mountain town of Nederland, Colorado and located on all paved roads, this property enjoys a mostly level,

  Catherine Camp RE/MAX Alliance-Nederland

  134 Hurricane Hill Dr, Nederland, CO 80466
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  $150,000 Lot/Land

  190 Hard Way, Ward, CO 80481

  • 3.13 Acres
  • $47,923 per Acre

  Discover the possibilities on this expansive property! Amazing 3.135-acre unimproved lot. Stunning mountain views and surrounded by pine trees galore. Enjoy a peaceful, private setting with the beauty of nature in every direction, yet remain just minutes from downtown Boulder. This raw land offers a rare opportunity to create your vision in a serene, wooded environment. No water currently on

  Christopher Naggar Engel & Volkers Denver

  190 Hard Way, Ward, CO 80481
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  $375,000 Lot/Land

  14 Caribou Ridge Dr, Nederland, CO 80466

  • 25,700 Sq Ft
  • $635,593 per Acre

  Stunning Custom Home Sites in Luxury Mountain Community - Caribou Ridge, Nederland, CO Discover an exceptional opportunity to build your custom luxury mountain residence in Caribou Ridge, an exclusive boutique community nestled within a serene, forested setting just west of Boulder. This remarkable enclave offers panoramic views of the Indian Peaks and Front Range, surrounded by protected open

  Elissa Tompkins HomeSmart

  14 Caribou Ridge Dr, Nederland, CO 80466
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  $750,000 Lot/Land

  774 Cougar Dr, Boulder, CO 80302

  • 35.25 Acres
  • $21,277 per Acre

  Rare 35-Acre Boulder County Canvas – Infrastructure in Place Escape to the high country and stake your claim on this magnificent 35.25-acre parcel in the coveted Walker Ranch area. 774 Cougar Drive represents a distinct opportunity for the visionary buyer to craft a custom residence in the foothills of Boulder, CO. Previously the site of a 2 bedroom residence, this property offers a significant

  Ryan DeGering R Squared Realty Experts

  774 Cougar Dr, Boulder, CO 80302

Showing Results 81 - 120, Page 3 of 7