Recently Listed Open House 4/18 11am - 1pm
821 Incorrigible Circle
Longmont, CO, 80504 $ 1,685,000
Bedrooms5 Baths4.1 Sq 5,572 Monthly Estimate*
$ 10,375
Listed by Compass - Boulder
for $1,685,000 with 5 bedrooms and 4 full baths, 1 half bath. This 5,572 square foot home was built in 2001 on a lot size of 0.12.
Beautiful contemporary residence offering 4 bedrooms and 4 baths, blending bold design with modern functionality. From the moment you enter, the inlaid mosaic flooring accent and soaring ceilings will be sure to grab your attention. Custom-colored acrylic floors, washed in natural light and a dramatic steel staircase, wrapped in windows, create a gallery-like aesthetic while the open-concept layout invites effortless living and entertaining. The chef's kitchen features imported cabinetry, granite countertops, an oversized island with seating and storage, and a suite of premium appliances. The second-level primary suite offers a private retreat with fireplace, dual walk-in closets, a spa-inspired bath complete with radiant heated floors and an oversized steam shower. Two additional bedrooms and a full bath complete the 2nd level. One level above, an expansive rooftop deck and enclosed wet bar create a true indoor-outdoor living experience. Thoughtfully appointed, home includes dual HVAC systems, 2 water heaters, central vacuum, a whole-house Sonos system and smart home features including Nest security and climate control. The finished basement provides flexible space for additional living, work, or recreation. A detached carriage house studio apartment offers exceptional versatility-ideal for guests, a private office, or an income-producing rental opportunity. Outdoors, a private patio and tranquil backyard create a quiet escape. Sitting on a peaceful street across from a park enhances both privacy and livability. The detached 3-car garage with a hydraulic car lift plus additional parking, ensures space for vehicles and guests. Located in one of Longmont's favorite communities, Prospect offers a vibrant, design-forward lifestyle with walkability to restaurants, shops, and so much more. Distinctive, expressive, and truly one of a kind, this residence is for the buyer who values architecture, creativity, and a home that leaves a lasting impression.
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Open House
4/18/2026 11:00 AM - 1:00 PM
4/19/2026 11:00 AM - 1:00 PM
821 Incorrigible Circle Longmont, CO
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
FeaturesInteriorInterior Amenities Eat-in Kitchen Open Floorplan Radon Mitigation System Walk-In Closet(s) Wet Bar
Basement Sump Pump
Flooring Wood
Fireplace Features Gas Living Room Primary Bedroom
Basement (Y/N) N
Window Features Double Pane Windows Window Coverings
Above Grade Finished Area 3643
Half Baths 1
3/4 Baths 1
Laundry Features In Unit
Total Bedrooms 5
Below Grade Finished Area 1929
Main Level Bedrooms 0
Main Level Bathrooms 1
Total Baths 5
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GeneralHeating Forced Air
Cooling Central Air
Utilities Internet Access (Wired) Natural Gas Available
Possession Closing/DOD
Roof Composition Metal
Appliances Bar Fridge Dishwasher Disposal Dryer Microwave Oven Refrigerator Washer
Zoning RES
HOA Fee 110
Garage Spaces 3
Association Fee Includes Reserves Maintenance Structure Snow Removal
Patio/Porch Features Deck Patio
Architectural Style Contemporary
Security Features Smoke Detector(s)
Construction Materials Stucco Frame
Exclusions Seller's Personal Property Any Staging Items Electric Car Lift (negotiable)
Year Built 2001
View Mountain(s)
Levels Two
Property Subtype Single Family Residence
Tax Year 2025
Ownership Individual
Assoc Fee Paid Per Monthly
County Boulder
Property Type Residential
Association Amenities Park Trail(s)
HOA Y
Subdivision Name Wallace Add Flg 2
Possible Use Residential
Full Baths 3
Status Active
High School Niwot
City Longmont
Association Name Prospect Advance HOA
High School District St. Vrain Valley RE-1J
Lot Size Square Feet 5443
Listing Terms Cash Conventional
Elementary School Other
Tax Annual Amount 8565
Middle/Junior High School Altona
Concessions No
Structure Type House
Standard Status Active
Occupancy Type Owner
Elementary School District St. Vrain Valley RE-1J
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ExteriorFencing Partial
Parking Features Oversized
Lot Features Sprinklers In Front
Water Source Public
Total Parking 3
Building Area Total 5572
Lot Size Acres 0.12
Road Surface Type Paved
Road Frontage Type Public
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* Excluded FeaturesAffordability Calculator
- Monthly Principal & Interest
- $10,375
- Monthly Property Taxes
- $714
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Longmont, CO
Average List Price $1,183,227
Percent of Sale Price 30%
About Longmont, CO 95,205 Population
31% Since 2002
$ 64,602 Median Income
39.12 Median Age
30% Households with Children
Trends Information provided by ATTOM Data Solutions.
3043291 Elementary School
910930 Middle School
Niwot High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 4/16/2026 | $1,685,000 | | Listed Price |