AUCTION BIDDING OPEN: Bidding ends September 24th. Previously Listed $8.9M. Current High Bid $6.2M. Showings Daily By Appt. Offered as a whole, this 105-acre parcel includes 31 shares of Left-Hand Ditch Water and Mineral Rights. The property also allows the new owner the option to create three 35-acre buildable parcels, all with no conservation easement(s). This property is a prime location to build a private residence with panoramic views of Longs Peak, the snowcapped back range, Boulder's Flatirons, and incredible long distance views overlooking Boulder County. Standing proudly in the shadow of the Rocky Mountains, welcome to this once in a lifetime opportunity to own an iconic feature of the Boulder County landscape, Haystack Mountain. Enjoy the peace and tranquility of country living along with convenient access to nearby amenities and easy commutes to downtown Boulder, Niwot, Longmont and Denver International Airport. To participate in the auction go to https://www.conciergeauctions.com/auctions/haystack-mountain-5655-niwot-road-longmont-colorado
Native Grass, Level, Rolling Lot, Sloping Lot, Steep Lot, Rock Outcropping, Abuts Ditch, Abuts Stream/Creek/River, Abuts Farm Land, Rural, Water Rights Included, Mineral Rights Included
View
Mountain(s), Hills, Plains View, Panoramic
CITY
Longmont
SUBDIVISION
Haystack Mountain
COUNTY
Boulder
AREA
Suburban Plains
STATE
CO
TAX AMOUNT
207.0
LATEST UPDATE
2026-01-23T05:34:57.145Z
PRICE CHANGE(S)
$6,200,000 Oct 22, 2025
Property Details
Property TypeLand
StatusClosed
Property Sub TypeMixed Use
MLS #978012
Utility FeaturesNatural Gas Available
IRRIGATION WATER RIGHTS1
SEWERSee Remarks
FenceWire
Lot FeaturesNative Grass, Level, Rolling Lot, Sloping Lot, Steep Lot, Rock Outcropping, Abuts Ditch, Abuts Stream/Creek/River, Abuts Farm Land, Rural, Water Rights Included, Mineral Rights Included
ViewMountain(s), Hills, Plains View, Panoramic
CITYLongmont
SUBDIVISIONHaystack Mountain
COUNTYBoulder
AREASuburban Plains
STATECO
TAX AMOUNT207.0
LATEST UPDATE2026-01-23T05:34:57.145Z
PRICE CHANGE(S)
$6,200,000 Oct 22, 2025
Market Trends
New Properties On Market
82
64%
Increase In New Listings
Average Asking Price
$1,200,058
$168,949 Decrease In Avg Asking Price
Average Asking Price / Sq. Ft.
$360
$28 Decrease In List Price/Sq. Ft.
Average Days On Market
9
20 Day
Decrease In Days On Market
Data as of Apr 07, 2026.
Remaining statistics above are calculated on activity within the period from Feb 01, 2026 to Mar 31, 2026.