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New Construction Homes for Sale in Custer County, ID

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  • /24

    $525,000 Lot/Land

    4237 Summit Dr, MacKay, ID 83251

    • 2.18 Acres
    • $240,826 per Acre

    Amazing chance to own a lot on the Big Lost River. This property spans over 2 acres and boasts more than 250 feet of river frontage. It offers breathtaking views of the surrounding mountains in every direction. Detailed plans have already been designed for a stunning main home, a guest house, and a spacious shop. The main home is an impressive 3,581 square feet, featuring 3 bedrooms and 3

    Austin Callison Hayden Outdoors Real Estate

    4237 Summit Dr, MacKay, ID 83251
  • /15

    $45,000 Lot/Land

    120 Redbird Ln, Challis, ID 83226

    • 10,018 Sq Ft
    • $195,652 per Acre

    Located in the heart of Challis on the east side of Highway 93, this building lot offers a great opportunity to build within city limits. City water and sewer hookups are available on the lot but will need to be located. Minimal dirt work would be necessary to get started building. Challis offers the ultimate small-town living experience. Enjoy easy access to local amenities and unlimited nearby

    Brandon Hamilton Whitetail Properties Real Estate

    120 Redbird Ln, Challis, ID 83226
  • /46

    $499,000 Lot/Land

    Tbd Big Lost River Unit LotWP001, MacKay, ID 83251

    • 8.6 Acres
    • $58,023 per Acre

    This rare 8.6-acre property offers an exceptional opportunity along the banks of the Big Lost River near Mackay. With approximately 1,000 feet of river frontage, the setting is scenic and full of potential. The land is fully fenced, with a power pole conveniently located at the edge of the property, making future development more accessible.Surrounded by working ranches, farms, and small

    Brandon Hamilton Whitetail Properties Real Estate

    Tbd Big Lost River Unit LotWP001, MacKay, ID 83251
  • /39

    $190,000 Lot/Land

    0 Tbd Morgan Creek Rd Unit 24445758, Challis, ID 83226

    • 46 Acres
    • $4,130 per Acre

    Located near Challis, at the lower end of Morgan Creek, this 46-acre property offers incredible views of both Morgan Creek and the Salmon River Valley. The elevated setting provides several potential building sites where you can take in the scenery and enjoy privacy. A driveway would need to be constructed to reach your preferred building location, giving you the opportunity to design your ideal

    Brandon Hamilton Whitetail Properties Real Estate

    0 Tbd Morgan Creek Rd Unit 24445758, Challis, ID 83226
  • /18

    $250,000 Lot/Land

    TBD Chukar, Clayton, ID 83227

    • 7.32 Acres
    • $34,153 per Acre

    7.32 acre vacant lot with water rights, located up the East Fork of the Salmon River. Great views in a comfortable, rural setting without isolation. The property lies in the middle of some of Idaho's finest recreation. Surrounded by the Challis National Forest, between the White Cloud and Boulder Mountain ranges, along the East Fork Salmon River, there there is boundless adventure in every

    Bill Burnett Sun Valley Sotheby's International Realty

    TBD Chukar, Clayton, ID 83227
  • /13

    $525,000 Lot/Land

    4741 Twin Bridges Rd, MacKay, ID 83251

    • 80.05 Acres
    • $6,558 per Acre

    This beautiful 80 acre parcel is located only 23 miles from Sun Valley. The property offers big mountain views, year round stream, privacy, locked gate and underground power. Great trout fishing is 5 minutes away. Abundant recreation available in the immediate area.

    Stuart Hoag Sun Valley Real Estate, LLC

    4741 Twin Bridges Rd, MacKay, ID 83251
  • /20

    $1,850,000 Lot/Land

    504 Lanier Ln, Challis, ID 83226

    • 97.5 Acres
    • $18,974 per Acre

    Large 97.5 acre parcel in Challis with Salmon River adjacency. Water Rights: 6 shares of Challis Irrigation Co. Inc (180 inches of water) Currently used as 38.5 acres of irrigated Ag and 30 acres of irrigated pasture. 24 acres dry grazing. Currently planted in alfalfa.

    Suzanne Williams Sun Valley Real Estate,LLC

    504 Lanier Ln, Challis, ID 83226
  • /6

    $175,000 Lot/Land

    1723 Valley Ave, Challis, ID 83226

    • 2 Acres
    • $87,500 per Acre

    Check out this nice 2 acre parcel that is zoned commercial. Most of the commercial properties have sold so this is one of the few left. This acreage also has a well and pump on the property already so you could move quickly to have a business up and running. Priced to sell at $125,000

    Lisa Benson A Dream Away Realty

    1723 Valley Ave, Challis, ID 83226
  • /8

    $1,700,000 Lot/Land

    TBD 90.95 Houston Rd, MacKay, ID 83251

    • 90.95 Acres
    • $18,692 per Acre

    Exceptional Riverfront parcel located along the Big Lost River in the beautiful Lost River Valley. Stunning views, premium fishing in the Big Lost, tons of Wildlife in an amazing wildlife corridor. These riverfront parcels do not come along very often any more. Small pivot, and acreage planted with trees. Zoned Transag so lots of different uses. Presently used for grazing and some production

    Terri Pritchett Trail Creek Realty, LLC

    TBD 90.95 Houston Rd, MacKay, ID 83251
  • /36

    $190,000 Lot/Land

    TBD Morgan Creek Rd, Challis, ID 83226

    • 46 Acres
    • $4,130 per Acre

    Located near Challis, at the lower end of Morgan Creek, this 46-acre property offers incredible views of both Morgan Creek and the Salmon River Valley. The elevated setting provides several potential building sites where you can take in the scenery and enjoy privacy. A driveway would need to be constructed to reach your preferred building location, giving you the opportunity to design your ideal

    Brandon Hamilton Whitetail Properties Real Estate LLC

    TBD Morgan Creek Rd, Challis, ID 83226
  • /4

    $39,500 Lot/Land

    831 Custer St, Challis, ID 83226

    • 10,890 Sq Ft
    • $158,000 per Acre

    Great building site in Challis with city water and sewer nearby. This lot located in the growing Eastern Addition is a great spot for your new home. The lot offers great views and affordable space within city limits.

    Hether Lambson Way Out West Realty Inc

    831 Custer St, Challis, ID 83226
  • /11

    $595,000 Lot/Land

    TBD Tbd, MacKay, ID 83251

    • 49.6 Acres
    • $11,996 per Acre

    Michael Evans Coldwell Banker Distinctive Properties

    TBD Tbd, MacKay, ID 83251
  • /4

    $39,500 Lot/Land

    921 Custer St, Challis, ID 83226

    • 10,890 Sq Ft
    • $158,000 per Acre

    Great building site in Challis with city water and sewer nearby. This lot located in the growing Eastern Addition is a great spot for your new home. The lot offers great views and affordable space within city limits.

    Hether Lambson Way Out West Realty Inc

    921 Custer St, Challis, ID 83226
  • /8

    $400,000 Lot/Land

    TBD Old Chilly Rd, MacKay, ID 83251

    • 39.2 Acres
    • $10,204 per Acre

    The base of Mount Borah is your view, along with a 360-degree view of the Big Lost River Mountain range & the Big Lost valley. Closest private ground to Mt Borah access. The property is zoned Trans Ag & can be divided 3 more times making it 4 lot splits. A portion of the property borders Highway 93. The property has had gravel taken off of it & there is a 60-80 year old dump on

    Lani Mulick Sun Land Investments, Inc

    TBD Old Chilly Rd, MacKay, ID 83251
  • /14

    $42,500 Lot/Land

    TBD Antelope Ln, MacKay, ID 83251

    • 19,166 Sq Ft
    • $96,591 per Acre

    Great recreational lot located between Mackay and Challis Idaho off of Trail Creek Rd. Incredible views of the lost river range and an abundance of recreation opportunities nearby. Good access roads to the lots. Make a base camp for hunting, fishing, atv riding, etc. Public lands nearby. Not too far of a drive to Mackay and Mackay Reservoir. If you are looking for additional space, neighboring

    Hether Lambson Way Out West Realty Inc

    TBD Antelope Ln, MacKay, ID 83251
  • /22

    $1,900,000 Lot/Land

    TBD Fisher Creek Rd, Stanley, ID 83278

    • 19.16 Acres
    • $99,165 per Acre

    Fabulous and unique over 19 acre parcel off of Fisher Creek Road, this lot offers privacy and a number of building sites to suit the new owner. This property has been owned and loved by the same family for nearly five decades and now it could be yours to enjoy. There is an Scenic Easement on the property which will limit develpoment to one residence, but the location of that home is your choice

    Marc Reinemann Brokerage, The

    TBD Fisher Creek Rd, Stanley, ID 83278
  • /24

    $575,000 Lot/Land

    0 Bartlett Point Rd, MacKay, ID 83251

    • 12 Acres
    • $47,917 per Acre

    12 acre parcel along the bank of the Big Lost River. This spectacular parcel has mature cottonwoods, dramatic views and offers privacy without seclusion. Ideally located 33 miles from Sun Valley via Trail Creek Rd. and accessed year round via Highway 93. Incredible trout fishing right out back with abundant wildlife including elk, whitetail, mule deer, moose and antelope.

    Bill Burnett Sun Valley Sotheby's International Realty

    0 Bartlett Point Rd, MacKay, ID 83251
  • /14

    $160,000 Lot/Land

    125 Crows Nest Loop, MacKay, ID 83251

    • 5.52 Acres
    • $28,986 per Acre

    Dreams Do Come True!! Here is your ready to enjoy 5.52 acre lot in the desirable Crows Nest Estates. No HOA, No Restrictive Covenants, Zoned Trans Ag, Power on the Lot, Well with Water Rights, Large Gravel Pad and Unbelievable Mountain Views! This lot is ready for you to build a home or enjoy on the weekends. County Road maintained year round. Located in Custer County about 5 miles from the town

    Amber Beck Evolv Brokerage

    125 Crows Nest Loop, MacKay, ID 83251
  • /12

    $45,000 Lot/Land

    120 Redbird Ln, Challis, ID 83226

    • 10,018 Sq Ft
    • $195,652 per Acre

    Located in the heart of Challis on the east side of Highway 93, this building lot offers a great opportunity to build within city limits. City water and sewer hookups are available on the lot but will need to be located. Minimal dirt work would be necessary to get started building. Challis offers the ultimate small-town living experience. Enjoy easy access to local amenities and unlimited nearby

    Brandon Hamilton Whitetail Properties Real Estate LLC

    120 Redbird Ln, Challis, ID 83226
  • /7

    $60,000 Lot/Land

    310 &312 Main St, MacKay, ID 83251

    • 9,147 Sq Ft
    • $285,714 per Acre

    $60K for this commercial lot?! What an incredible opportunity in the heart of Mackay, Idaho! Located right on Main Street, this prime commercial property offers unbeatable visibility and access. This offering includes three city lots totaling 75' x 125' (each lot measures 25' x 125'), giving you flexibility for a variety of development options. Build one business, multiple storefronts, or

    Maleah Ivie Idaho 1st Class Properties

    310 &312 Main St, MacKay, ID 83251
  • /10

    $189,000 Lot/Land

    TBD Rod & Gun Club Loop, Challis, ID 83226

    • 4.61 Acres
    • $40,998 per Acre

    If you are looking for a small acreage to build your dream home, but you don't want the cost of drilling a well then this property is for you. Located just off of the Rod & Gun Club Loop is a 4.610 acre homesite with a well already on the property. This property is located close to town with great views of the Twin Peaks and the Red Cliffs and also includes water rights. The property is already

    Lisa Benson A Dream Away Realty

    TBD Rod & Gun Club Loop, Challis, ID 83226
  • /9

    $55,000 Lot/Land

    115 Burnett Ct, MacKay, ID 83251

    • 17,859 Sq Ft
    • $134,146 per Acre

    Exceptional mountain-view homesite nestled in the heart of Mackay, Idaho with breathtaking views of the Lost River Range and nearby Borah Peak. This level residential lot offers paved access, curb and gutter, sidewalks, and nearby utilities, making it an ideal setting for a custom home, cabin getaway, or recreational retreat. Enjoy peaceful small-town living with endless outdoor recreation

    Kim Keene Keller Williams Realty Boise

    115 Burnett Ct, MacKay, ID 83251
  • /11

    $2,500,000 Lot/Land

    0 Highway 21 & Cow Camp Rd #C Unit 25-333593, Stanley, ID 83278

    • 20.4 Acres
    • $122,549 per Acre

    Rarely available acreage with water frontage and Sawtooth Mt views. This lot offers seclusion, meadows, and future home site surrounded by nature at its finest.

    Bob Dittmer Sun Valley Sotheby's International Realty

    0 Highway 21 & Cow Camp Rd #C Unit 25-333593, Stanley, ID 83278
  • /5

    $90,000 Lot/Land

    1110 E Valley Ave, Challis, ID 83226

    • 12,675 Sq Ft
    • $309,278 per Acre

    Two side by side city lots! Combined acreage is aprox .2910. Both lots already have city water while hookups for city power are available. Beautiful views on a quiet street. Come and build your dream home in beautiful Challis!

    Lisa Parker Silvercreek Realty Group

    1110 E Valley Ave, Challis, ID 83226
  • /29

    $200,000 Lot/Land

    411 U S 93, Challis, ID 83226

    • 1.66 Acres
    • $120,482 per Acre

    If you are looking for commercial property in Challis, this is the one. This property has so many possibilities, you will have a hard time trying to decide what you actually want to do with it. Just take a moment and think about highway frontage, a 30x50 concrete pad already poured, a creek running the full length of the property, pine trees, and all of your utilities. Let your imagination run

    Lisa Benson A Dream Away Realty

    411 U S 93, Challis, ID 83226
  • /12

    $595,000 Lot/Land

    0 Bar Rd, MacKay, ID 83251

    • 49.6 Acres
    • $11,996 per Acre

    ~49.6 Acres | Development-Scale Opportunity | Adjacent to Mackay, Idaho Positioned directly adjacent to the City of Mackay, this exceptional ~ 49.6-acre parcel offers a rare large-scale development opportunity in one of Idaho's most visually striking and recreation-rich valleys. Elevated terrain provides commanding panoramic views of Mt. McCaleb, the Lost River Range, and the entire Mackay

    Michael Evans Coldwell Banker Distinctive Properties

    0 Bar Rd, MacKay, ID 83251
  • /13

    $75,000 Lot/Land

    TBD 4200 N, MacKay, ID 83251

    • 2.5 Acres
    • $30,000 per Acre

    This could be the perfect homesite for you! Enjoy 2.5 acres of open Idaho beauty just south of Mackay, surrounded by stunning mountain vistas and wide-open skies. Power runs near the property, offering flexibility for your future build. The land has been professionally surveyed and has no CCRs or homeowners' association, giving you the freedom to design your dream home or getaway exactly how you

    Maleah Ivie Idaho 1st Class Properties

    TBD 4200 N, MacKay, ID 83251
  • /9

    $185,000 Lot/Land

    NNA Wild Rose Ln, MacKay, ID 83255

    • 15.16 Acres
    • $12,203 per Acre

    Discover the perfect blend of space, privacy, and Idaho beauty with this 15.16-acre parcel in Mackay. This flat, usable piece of rural land offers endless possibilities—whether you're looking to build your dream home, create a recreational getaway, or invest in Idaho property. Enjoy the added value of included water rights, making it ideal for a variety of uses. The property backs directly to a

    Devin Homer Real Broker LLC

    NNA Wild Rose Ln, MacKay, ID 83255
  • /4

    $340,000 Lot/Land

    TBD Old Irwin Rd, Outside City Limits, ID 83428

    • 5 Acres
    • $68,000 per Acre

    Five acres near the quiet, remote community of Irwin Idaho in beautiful Swan Valley. If living on a dirt road but still having easy access is what you are looking for, this is it. No CCR's. Surrounded by mountain views and minutes from Palisades Lake and the South Fork of the Snake River. Adjacent 5 acres also for sale.

    John Sloan Rainey Creek Realty

    TBD Old Irwin Rd, Outside City Limits, ID 83428
  • /4

    $39,500 Lot/Land

    911 Custer St, Challis, ID 83226

    • 10,890 Sq Ft
    • $158,000 per Acre

    Great building site in Challis with city water and sewer nearby. This lot located in the growing Eastern Addition is a great spot for your new home. The lot offers great views and affordable space within city limits.

    Hether Lambson Way Out West Realty Inc

    911 Custer St, Challis, ID 83226
  • /2

    $289,900 Lot/Land

    0 Blk 2 Lot 32 the East Fork Subdivision, Clayton, ID 83227

    • 8.22 Acres
    • $35,268 per Acre

    Discover your slice of Idaho wilderness with this stunning 8.22-acre property in Clayton, just moments from the iconic Salmon River. Surrounded by breathtaking scenery, this land offers endless opportunities for outdoor adventure—whether it’s hunting, fishing, or simply soaking in the natural beauty. Wildlife is abundant, and valuable water rights add to the property’s appeal. With power nearby,

    Charlyn Teagarden exp Realty, LLC

    0 Blk 2 Lot 32 the East Fork Subdivision, Clayton, ID 83227
  • /14

    $42,500 Lot/Land

    TBD Mahogany, MacKay, ID 83251

    • 19,166 Sq Ft
    • $96,591 per Acre

    Great recreational lot located between Mackay and Challis Idaho off of Trail Creek Rd. Incredible views of the lost river range and an abundance of recreation opportunities nearby. Good access roads to the lots. Make a base camp for hunting, fishing, atv riding, etc. Public lands nearby. Not too far of a drive to Mackay and Mackay Reservoir. If you are looking for additional space, neighboring

    Hether Lambson Way Out West Realty Inc

    TBD Mahogany, MacKay, ID 83251
  • /43

    $499,000 Lot/Land

    TBD 4200 N, MacKay, ID 83251

    • 8.6 Acres
    • $58,023 per Acre

    This rare 8.6-acre property offers an exceptional opportunity along the banks of the Big Lost River near Mackay. With approximately 1,000 feet of river frontage, the setting is scenic and full of potential. The land is fully fenced, with a power pole conveniently located at the edge of the property, making future development more accessible. Surrounded by working ranches, farms, and small

    Brandon Hamilton Whitetail Properties Real Estate LLC

    TBD 4200 N, MacKay, ID 83251
  • /6

    $64,500 Lot/Land

    Lot 9 River's Edge Rd, Challis, ID 83226

    • 1 Acre
    • $64,500 per Acre

    A very quiet and scenic location with beautiful mountain views. Offering 3, 1-acre lots for sale. There is electricity to the edge of the lots. This property was developed in the 1976 and the 1st time it's been offered for sale. There are minimal deed restrictions for your quiet enjoyment.

    Sandra Hill Way Out West Realty Inc

    Lot 9 River's Edge Rd, Challis, ID 83226
  • /8

    $400,000 Lot/Land

    TBD Chilly Rd, MacKay, ID 83251

    • 39.2 Acres
    • $10,204 per Acre

    The base of Mount Borah is your view, along with a 360-degree view of the Big Lost River Mountain range & up and down the Big Lost valley. The closest private ground to Mount Borah access. The property is zoned Trans Ag & can be divided 3 more times making it 4 lot splits. A portion of the property borders Highway 93. The property has had gravel taken off of it & there is a 60-80 year old dump on

    Lani Mulick Sun Land Investments, Inc

    TBD Chilly Rd, MacKay, ID 83251
  • /14

    $2,500,000 Lot/Land

    TBD Hwy 21, Stanley, ID 83278

    • 20.88 Acres
    • $119,732 per Acre

    One of three beautiful 20+ acre buildable parcels not encumbered by conservation easements along Valley Creek, a major tributary to the mighty Salmon River. Valley Creek provides a great opportunity to catch rainbow and brook trout, and contains spawning habitat for other native species. Stanley Idaho, located north of Sun Valley, is one of the most remarkable and beautiful areas in the United

    Jon Stosich Kelly Right Real Estate-Idaho (branch)

    TBD Hwy 21, Stanley, ID 83278
  • /8

    $545,000 Lot/Land

    0 Edna McGown (Hwy 75) Ave Unit 23-330377, Stanley, ID 83278

    • 4,791 Sq Ft
    • $4,954,545 per Acre

    COMMERCIAL/RESIDENTIAL - SUPER VIEWS from this location on HWY 75 across from the Salmon River, just north of HWY 21 on left just past rafting company. Foundation in place, architectural drawings for the foundation included. Located in Stanley Commercial/residential District - Permitted City uses under documents tab. Foundation info - logic.com. Buyer beware of foundation hole in ground!

    Alex Hughes Sun Valley Real Estate, LLC

    0 Edna McGown (Hwy 75) Ave Unit 23-330377, Stanley, ID 83278
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