Welcome to elevated living at 1321 Onyx Cir, nestled in the highly sought-after Rainbow Ridge Estates. This stunning 6-bedroom, 6-bathroom home, complete with a side-load 3-car garage, boasts undeniable curb appeal. Step inside, and you'll be greeted by a grand foyer with a dramatic staircase that sets the tone for this exquisite residence. From the Foyer, a thoughtfully designed home office or 6th bedroom with an attached 3/4 bathroom provides versatility. Formal dining room ideal space for hosting memorable gatherings. The chef's kitchen is a true centerpiece, showcasing a spacious central island, upgraded appliances, and a wall of windows that frame picturesque views of the serene backyard and sparkling pool. Flowing seamlessly from the kitchen, a welcoming family room with gas fireplace and soaring ceilings-perfect for both everyday living & special gatherings. Upstairs, a rare find: four spacious bedrooms, each with its own en-suite bathroom, all thoughtfully upgraded. The luxurious primary suite is a private retreat, featuring a beautifully appointed bathroom, and a peaceful getaway space to unwind in style. A sprawling lower level recreation room with a pool table, a functional exercise or playroom, and an inviting theater room equipped with a projector, wet bar, and wine cellar create endless opportunities for entertainment. A comfortable 5th bedroom with an adjoining upgraded bathroom ensures your guests will feel right at home. This home is designed for living, entertaining, and making cherished memories. From its elegant design to its abundance of amenities, 1321 Onyx Cir is your opportunity to embrace the best of Rainbow Ridge Estates living. Let's Get You Home!
FIREPLACE FEATURESTwo or More, Gas, Multi-Sided, Living Room, Bedroom, Basement
HeatingForced Air
CoolingCentral Air, Ceiling Fan(s)
Utility FeaturesNatural Gas Available, Electricity Available, Cable Available, Satellite Avail, High Speed Avail
SEWERPublic Sewer
WATER SOURCECity
Year Built2004
BasementFull, Partially Finished, Sump Pump
FINISHED BASEMENT SIZE1622.0
ARCHITECTURAL STYLEContemporary/Modern
RoofComposition
EXTERIOR FEATURESSprinkler System, Hot Tub
Parking FeaturesGarage Door Opener, Attached
FenceFenced, Wood
Lot FeaturesEvergreen Trees, Deciduous Trees, Level, Paved, Sidewalks
Garage spaces3
CITYLongmont
SUBDIVISIONRainbow Ridge Estates
COUNTYBoulder
AREALongmont
STATECO
COMMUNITY FEATURESPark
HOA1
TAX AMOUNT10244.0
HOA FEE500.0
HOA FREQUENCYAnnually
LATEST UPDATE2026-04-08T19:15:59.608Z
PRICE CHANGE(S)
$1,650,000 Apr 8, 2026
Open House
April 12 2:00 pm - 4:00 pm
Market Trends
New Properties On Market
116
49%
Increase In New Listings
Average Asking Price
$744,989
$79,900 Increase In Avg Asking Price
Average Asking Price / Sq. Ft.
$281
$53 Increase In List Price/Sq. Ft.
Average Days On Market
10
23 Day
Decrease In Days On Market
Data as of Apr 08, 2026.
Remaining statistics above are calculated on activity within the period from Feb 01, 2026 to Mar 31, 2026.
Mortgage Calculator
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