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821 Incorrigible CircleLongmont, CO 80504

For Sale

$1,685,000

Smart Buyer Rebate $16,850

Don't miss the video link attached. This 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 an exceptional 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.

Listed by Terra Brewer

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License #IRP18624

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Compass - Boulder

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720-745-9962

Listed by David Rogers

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License #IRP32371

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Compass - Boulder

Last updated April 29, 2026

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Source: REcolorado #IR1056681

Listing Facts

  • TypeSingle-family
  • NeighborhoodProspect New Town
  • Bedrooms5
  • Bathrooms5
  • Days on Prevu14
  • HOA/Maint. Fees$110/month
  • Taxes$8,565/year
  • Size5,572 sqft
  • Price per sqft$302

Amenities

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

Location

Mortgage Calculator

Listing History

04/16/2026
Listed by Compass - Boulder
$1,685,000

Property Details for 821 Incorrigible Circle

Association

Amenities

  • Association Amenities: Park, Trail(s)

Fees

  • Association Fee: $110.00 Monthly
  • Association Fee Includes: Reserves, Maintenance Structure, Snow Removal

General

  • Association Name: Prospect Advance HOA

Exterior

Construction

  • Roof: Composition, Metal
  • Structure Type: House
  • Window Features: Double Pane Windows, Window Coverings
  • Year Built: 2001
  • Architectural Style: Contemporary
  • Construction Materials: Stucco, Frame

Features

  • Fencing: Partial
  • Patio And Porch Features: Deck, Patio
  • Road Frontage Type: Public
  • View: Mountain(s)

Measurements

  • Building Area Total: 5,572
  • Lot Features: Sprinklers In Front
  • Lot Size Acres: 0.12
  • Lot Size Square Feet: 5,443

Financial

Taxes

  • Parcel Number: R0141170
  • Tax Annual Amount: $8,565.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Bar Fridge, Dishwasher, Disposal, Dryer, Microwave, Oven, Refrigerator, Washer
  • Fireplace Features: Gas, Living Room, Primary Bedroom
  • Flooring: Wood
  • Interior Features: Eat-in Kitchen, Open Floorplan, Radon Mitigation System, Walk-In Closet(s), Wet Bar

Measurements

  • Living Area: 5,572

Rooms

  • Basement: Sump Pump
  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Three Quarter: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 5
  • Main Level Bathrooms: 1

Other

General

  • Exclusions: Seller's Personal Property, Any Staging Items, Electric Car Lift (negotiable)

Location

  • Subdivision Name: Wallace Add Flg 2

Parking

Parking

  • Garage Spaces: 3
  • Parking Features: Oversized
  • Parking Total: 3

Schools

Elementary School

  • Elementary School: Other
  • 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: Altona

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air
  • Laundry Features: In Unit
  • Utilities: Internet Access (Wired), Natural Gas Available
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 5 bathrooms in this single-family home at 821 Incorrigible Circle.

What schools are nearby to 821 Incorrigible Circle?

Nearby schools include the Other Elementary School, Altona Middle School, and Niwot High School.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 821 Incorrigible Circle.

What are the annual taxes for 821 Incorrigible Circle?

Annual taxes for this single-family home are estimated at $8,565.

How does 821 Incorrigible Circle compare to other single-family homes in Prospect New Town?

This single-family home is listed 30% above the average price for single-family homes in Prospect New Town and has been on the market for 10 less days than the typical home in this area.

What building or home owners association is the single-family home part of?

This single-family home is part of the Prospect Advance HOA home owners association.

What is the square footage on this single-family home?

According to the MLS, this listing is 5,572 sqft.

821 Incorrigible Circle is a 5-bedroom, 5-bath single-family home for sale in Longmont CO 80504. Available on Prevu for 14 days at $1,685,000. This home features 5,572 square feet of living space, located in Longmont. The median listing price for single-family homes in this area is $538,000. Nearby schools include Other Elementary School, Altona Middle School, and Niwot High School. Additional amenities include private outdoor space, dishwasher, air conditioning, parking, and washer/dryer. Browse more single-family home listings in Longmont.

The content relating to real estate for sale in this Web site comes in part from the Internet Data eXchange ("IDX") program of METROLIST, INC., DBA RECOLORADO® Real estate listings held by brokers other than Prevu are marked with the IDX Logo. This information is being provided for the consumers' personal, non-commercial use and may not be used for any other purpose. All information subject to change and should be independently verified.

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.