For sale
$1,650,000
6beds
5,147sqft
1321 Onyx Cir, Longmont, CO 80504
6beds
5,147sqft
Single family residence
Built in 2004
0.29 Acres
3 Attached garage spaces
$321 price/sqft
$42/mo HOA
What's special
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 ...
- 6 days |
- 919 |
- 59 |
Source: IRES as distributed by MLS GRID,MLS#: 1055876
Travel times
Family Room
Kitchen
Primary Bedroom
Zillow last checked: 7 hours ago
Listing updated: April 09, 2026 at 05:58pm
Listed by:
Brian Sundberg 3039315483,
Compass - Boulder,
Jennifer Burke 303-519-0152,
Compass - Boulder
Source: IRES as distributed by MLS GRID,MLS#: 1055876
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 6
- Full bathrooms: 2
- 3/4 bathrooms: 4
- Main level bathrooms: 1
Rooms
- Room types: Media Room
Primary bedroom
- Description: Carpet
- Features: Tub+Shower Primary, Luxury Features Primary Bath, 5 Piece Primary Bath
- Level: Upper
- Area: 896 Square Feet
- Dimensions: 28 x 32
Bedroom 2
- Description: Carpet
- Level: Upper
- Area: 182 Square Feet
- Dimensions: 13 x 14
Bedroom 3
- Description: Carpet
- Level: Upper
- Area: 156 Square Feet
- Dimensions: 12 x 13
Bedroom 4
- Description: Carpet
- Level: Upper
- Area: 156 Square Feet
- Dimensions: 12 x 13
Bedroom 5
- Description: Carpet
- Level: Basement
- Area: 132 Square Feet
- Dimensions: 11 x 12
Bedroom 6
- Description: Carpet
- Level: Main
- Area: 132 Square Feet
- Dimensions: 11 x 12
Dining room
- Description: Wood
- Level: Main
- Area: 182 Square Feet
- Dimensions: 13 x 14
Family room
- Description: Wood
- Level: Main
- Area: 300 Square Feet
- Dimensions: 15 x 20
Kitchen
- Description: Wood
- Level: Main
- Area: 368 Square Feet
- Dimensions: 16 x 23
Laundry
- Description: Tile
- Level: Upper
- Area: 56 Square Feet
- Dimensions: 7 x 8
Living room
- Description: Wood
- Level: Main
- Area: 300 Square Feet
- Dimensions: 15 x 20
Recreation room
- Description: Carpet
- Level: Basement
- Area: 490 Square Feet
- Dimensions: 14 x 35
Heating
- Forced Air
Cooling
- Central Air, Ceiling Fan(s)
Appliances
- Included: Gas Range, Double Oven, Dishwasher, Refrigerator, Washer, Dryer, Disposal
- Laundry: Sink, Washer/Dryer Hookup
Features
- Eat-in Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Pantry, Walk-In Closet(s), Wet Bar, Kitchen Island, Theatre Room, Two Primary Suites
- Flooring: Wood
- Doors: French Doors
- Windows: Window Coverings
- Basement: Full,Partially Finished,Sump Pump
- Has fireplace: Yes
- Fireplace features: Two or More, Gas, Multi-Sided, Living Room, Bedroom, Basement
Interior area
- Total structure area: 5,147
- Total interior livable area: 5,147 sqft
- Finished area above ground: 3,525
- Finished area below ground: 1,622
Video & virtual tour
Property
Parking
- Total spaces: 3
- Parking features: Garage Door Opener, Attached
- Attached garage spaces: 3
- Details: Attached
Features
- Levels: Two
- Stories: 2
- Patio & porch: Patio
- Exterior features: Sprinkler System
- Has private pool: Yes
- Pool features: Private
- Spa features: Heated
- Fencing: Fenced,Wood
Lot
- Size: 0.29 Acres
- Features: Evergreen Trees, Deciduous Trees, Level, Paved, Sidewalks
Details
- Parcel number: R0501341
- Zoning: SFH
- Special conditions: Private Owner
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary
- Property subtype: Single Family Residence
Materials
- Frame, Stone, Stucco
- Roof: Composition
Condition
- New construction: No
- Year built: 2004
Utilities & green energy
- Sewer: Public Sewer
- Water: City
- Utilities for property: Natural Gas Available, Electricity Available, Cable Available, Satellite Avail, High Speed Avail
Green energy
- Energy efficient items: Windows
Community & HOA
Community
- Features: Park
- Security: Fire Alarm
- Subdivision: Rainbow Ridge Estates
HOA
- Has HOA: Yes
- Services included: Common Amenities
- HOA fee: $500 annually
- HOA name: Rainbow Ridge Estates
- HOA phone: 720-249-8733
Location
- Region: Longmont
Financial & listing details
- Price per square foot: $321/sqft
- Tax assessed value: $1,561,400
- Annual tax amount: $10,244
- Date on market: 4/8/2026
- Listing terms: Cash,Conventional
- Exclusions: Seller's personal property
- Electric utility on property: Yes
- Road surface type: Asphalt
Price history
| Date | Event | Price |
|---|---|---|
| 4/9/2026 | Listed for sale | $1,650,000+3.4%$321/sqft |
Source:  IRES as distributed by MLS GRID #1055876 Report a problem | ||
| 11/2/2025 | Listing removed | $1,595,000$310/sqft |
Source: IRES as distributed by MLS GRID #1043563 Report a problem | ||
| 9/3/2025 | Price change | $1,595,000-3%$310/sqft |
Source: IRES as distributed by MLS GRID #1035457 Report a problem | ||
| 5/19/2025 | Price change | $1,645,000-2.9%$320/sqft |
Source: IRES as distributed by MLS GRID #1031014 Report a problem | ||
| 4/4/2025 | Price change | $1,695,000-4.5%$329/sqft |
Source: IRES as distributed by MLS GRID #1026448 Report a problem | ||
| 2/14/2025 | Listed for sale | $1,775,000+77.5%$345/sqft |
Source: IRES as distributed by MLS GRID #1026448 Report a problem | ||
| 8/28/2020 | Sold | $1,000,000-2.4%$194/sqft |
Source: IRES as distributed by MLS GRID #914901 Report a problem | ||
| 7/12/2020 | Pending sale | $1,025,000$199/sqft |
Source: RE/MAX Alliance-Longmont #914901 Report a problem | ||
| 6/12/2020 | Price change | $1,025,000-3.3%$199/sqft |
Source: RE/MAX Alliance-Longmont #914901 Report a problem | ||
| 4/2/2020 | Price change | $1,060,000-3.6%$206/sqft |
Source: RE/MAX Alliance-Longmont #908247 Report a problem | ||
| 2/14/2020 | Listed for sale | $1,100,000+33.3%$214/sqft |
Source: RE/MAX Alliance-Longmont #904169 Report a problem | ||
| 6/30/2015 | Sold | $825,000$160/sqft |
Source: IRES as distributed by MLS GRID #764835 Report a problem | ||
| 5/30/2015 | Listed for sale | $825,000+3.1%$160/sqft |
Source: RE/MAX Alliance-Longmont #764835 Report a problem | ||
| 5/19/2013 | Listing removed | $800,000$155/sqft |
Source: Re/Max #633884 Report a problem | ||
| 2/22/2013 | Listed for sale | $800,000$155/sqft |
Source: Re/Max #633884 Report a problem | ||
| 12/12/2012 | Listing removed | $800,000$155/sqft |
Source: RE/MAX ALLIANCE #659679 Report a problem | ||
| 12/7/2012 | Listed for sale | $800,000$155/sqft |
Source: RE/MAX ALLIANCE #659679 Report a problem | ||
| 2/23/2012 | Listing removed | $800,000$155/sqft |
Source: Re/Max #633884 Report a problem | ||
| 9/30/2010 | Price change | $800,000-3%$155/sqft |
Source: RE/MAX Alliance #1012397 Report a problem | ||
| 7/12/2010 | Listed for sale | $825,000+23.1%$160/sqft |
Source: RE/MAX Alliance #633884 Report a problem | ||
| 12/16/2004 | Sold | $670,000+340.7%$130/sqft |
Source: Public Record Report a problem | ||
| 6/7/2004 | Sold | $152,040$30/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $9,172 +1.4% | $97,588 -2% |
| 2024 | $9,047 +34.4% | $99,575 -1% |
| 2023 | $6,730 -1.3% | $100,541 +47.8% |
| 2022 | $6,817 -1.5% | $68,012 -18.4% |
| 2021 | $6,920 | $83,297 +16.9% |
| 2020 | $6,920 +24% | $71,243 |
| 2019 | $5,581 | $71,243 +21.3% |
| 2018 | $5,581 | $58,752 -9.5% |
| 2017 | $5,581 -1.3% | $64,953 +9.8% |
| 2016 | $5,654 +4.9% | $59,151 +7.2% |
| 2015 | $5,388 +4.5% | $55,179 |
| 2014 | $5,154 -0.4% | $55,179 |
| 2013 | $5,172 +6.8% | $55,179 -1.1% |
| 2012 | $4,844 -11.4% | $55,768 |
| 2011 | $5,465 +1.8% | -- |
| 2010 | $5,367 +2.4% | $63,480 |
| 2009 | $5,240 +17.2% | $63,480 -11.5% |
| 2008 | $4,470 +21.9% | $71,740 +4.6% |
| 2007 | $3,668 -1.8% | $68,560 +22.4% |
| 2006 | $3,737 +84% | $56,000 |
| 2005 | $2,030 | $56,000 |
Find assessor info on the county website
Monthly payment
Est. payment
$8,925/mo
Principal & interest
$8154
Property taxes
$729
HOA Fees
$42
More affordability tools
Estimated market value
Not available
Estimated sales range
Not available
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Climate risks
Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.
Neighborhood: Pike
Nearby schools
GreatSchools rating
- 4/10Burlington Elementary SchoolGrades: PK-5Distance: 0.9 mi
- 3/10Sunset Middle SchoolGrades: 6-8Distance: 0.8 mi
- 9/10Niwot High SchoolGrades: 9-12Distance: 2.7 mi
Schools provided by the listing agent
- Elementary: Burlington
- Middle: Sunset Middle
- High: Niwot
Source: IRES as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
- Colorado
- Boulder County
- Longmont
- 80504
- Pike
- 1321 Onyx Cir