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1321 Onyx Cir, 
Longmont, CO 80504

$1,650,000


6

Beds


6

Baths


5,147

Sq Ft


Single Family


Virtual Tour

Active

Listed by

Brian Sundberg

Jennifer Burke

Coldwell Banker Realty 02

303-320-5733

Last updated:

April 14, 2026, 02:17 PM

MLS#

1055876

Source:

IRES

About This Home

1321 Onyx Cir

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!

Home Facts

Single Family

6 Baths

6 Bedrooms

Built in 2004

Price Summary

1,650,000

$320 per Sq. Ft.

MLS #:

1055876

Last Updated:

April 14, 2026, 02:17 PM

Added:

6 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

6

Bathrooms

Total Bathrooms:

6

Full Bathrooms:

2

Interior

Living Area:

5,147 Sq. Ft.


Structure

Structure

Architectural Style:

Contemporary

Building Area:

5,147 Sq. Ft.

Year Built:

2004


Lot

Lot Size (Sq. Ft):

12,844


Finances & Disclosures

Finances

Price:

$1,650,000

Price per Sq. Ft:

$320 per Sq. Ft.

Source:IRES
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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.