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1321 Onyx CircleLongmont, CO 80504

For Sale

$1,595,000

Smart Buyer Rebate $15,950

This stunning custom home embodies an unparalleled lifestyle experience showcasing nearly every amenity imaginable in this luxurious estate. Situated in the prestigious enclave of the Rainbow Ridge Estates, this impressive residence exudes ultra-comfort and prime living on one of the best streets in Longmont. With too many upgrades to list, this fine home offers a beautiful open-concept chef's kitchen, with eye catching marble countertops, an expansive island, premium appliances, and built in pantry. The formal dining, and living rooms are separated by a beautiful glass barn door and feature updated lighting. Numerous windows throughout bathe the home in an abundance of natural light. This expansive lot with mature landscaping and a sparkling pool and spa is a backyard oasis and perfect for entertainment and relaxation. Ascend the private staircase upstairs to the secluded primary bedroom. This oversized space is highlighted by a multi-sided fireplace and sitting area that would make a great home office. You will love the spa-inspired 5 piece bathroom with soaking tub and generous walk in closet. Three secondary bedrooms all have walk-in closets and en suite bathrooms. back on the main level, there is a guest suite that would also make a great home office with patio. The lower level welcomes festivities and offers a home theater, wet bar, wine storage, and guest room with full bath. With great privacy and well-maintained lush landscaping throughout, this home presents an opulent setting in the heart of Longmont.

Listed by The Bernardi Group

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License #IRTM0164

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Coldwell Banker Realty-Boulder

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303-402-6000

Last updated September 02, 2025

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Source: REcolorado #IR1035457

Listing Facts

  • TypeSingle-family
  • NeighborhoodPike
  • Bedrooms6
  • Bathrooms6
  • Days on Prevu100
  • HOA/Maint. Fees$375/annual
  • Taxes$9,172.36/year
  • Size5,147 sqft
  • Price per sqft$310

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

09/03/2025
Price Decreased
$1,595,000
05/30/2025
Listed by Coldwell Banker Realty-Boulder
$1,645,000

Property Details for 1321 Onyx Circle

Association

Amenities

  • Association Amenities: Park

Fees

  • Association Fee: $375.00 Annually
  • Association Fee Includes: Reserves

General

  • Association Name: Rainbow Ridge Estates

Exterior

Construction

  • Roof: Composition
  • Structure Type: House
  • Year Built: 2004
  • Architectural Style: Contemporary
  • Construction Materials: Stone, Stucco
  • Exterior Features: Spa/Hot Tub

Features

  • Patio And Porch Features: Patio
  • Pool Features: Private
  • Road Frontage Type: Public

Measurements

  • Building Area Total: 5,147
  • Lot Features: Level, Sprinklers In Front
  • Lot Size Acres: 0.29
  • Lot Size Square Feet: 12,844

Financial

Taxes

  • Parcel Number: R0501341
  • Tax Annual Amount: $9,172.36
  • Tax Year: 2024

Interior

Features

  • Appliances: Bar Fridge, Dishwasher, Disposal, Dryer, Oven, Refrigerator, Washer
  • Fireplace Features: Family Room, Gas, Living Room, Other, Primary Bedroom
  • Flooring: Tile, Wood
  • Interior Features: Eat-in Kitchen, Five Piece Bath, Kitchen Island, Open Floorplan, Pantry, Walk-In Closet(s), Wet Bar

Measurements

  • Living Area: 5,147

Rooms

  • Basement: Full, Sump Pump
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Three Quarter: 4
  • Bathrooms Total Integer: 6
  • Bedrooms Total: 6
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 1

Other

General

  • Exclusions: Seller's personal property

Location

  • Subdivision Name: Rainbow Ridge Estates

Parking

Parking

  • Attached Garage: Yes
  • Garage Spaces: 3
  • Parking Total: 3

Schools

Elementary School

  • Elementary School: Burlington
  • Elementary School District: St. Vrain Valley RE-1J

High School

  • High School: Niwot
  • High School District: St. Vrain Valley RE-1J

Middle or Junior School

  • Middle Or Junior School: Sunset

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air
  • Other Equipment: Home Theater
  • Sewer: Public Sewer
  • Utilities: Electricity Available, Natural Gas Available
  • Water Source: Public

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.