Date
Details
Price
Change
Source
4/28/2022
Sold
$1,275,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/50
$1,499,900
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Property Description
Designed for those who appreciate exceptional architecture, thoughtful design & creative living, this remarkable residence is tucked into one of the quietest pockets of Prospect New Town, Longmont's iconic urban village known for its award-winning architecture, boutique shops, artisan coffee, local dining, parks & walkable streets. Surrounded by mature trees, no neighbors behind, a peaceful setting offering rare privacy, private alley & a detached oversized 3-car garage. Every space was designed with purpose where industrial influences, contemporary finishes & artistic character come together effortlessly. Entertain from the rooftop terrace, host unforgettable evenings around the custom indoor bar or escape to the courtyard featuring a tranquil waterfall pond, mature landscaping & ample seating areas. Above the garage, sits the 1 Bed / 1 Bath (576 Addtl. Sqft) Carriage House featuring its own entrance, kitchen, living area & laundry, offering outstanding flexibility for multi-generational living, private guest accommodations or valuable short/long-term rental income. Three exclusive parking spaces beside the garage make guest access effortless. The primary suite offers a peaceful retreat with a fireplace, spa-inspired bathroom featuring steam shower jets, dual vanities & expansive dual walk-in closets. The spacious secondary bedrooms are filled with natural light while the inviting front porch offers the perfect place to begin or end each day. The finished basement even functions as a private guest suite with living area, kitchenette, bedroom & bathroom. Some homes are built to fit in, this was designed to stand apart. With its rare blend of architectural creativity, functional flexibility, income-producing potential & an unmatched location within Prospect New Town, this is a place where neighbors become friends, community comes naturally & every day is enriched by the beauty that surrounds you. You'll regret not seeing this one! Schedule your private tour today!
Full Property Details
Full Property Details for 821 Incorrigible Cir
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General
- Price: $1,499,900
- HOA FEE: $110/month
- Taxes: $8,565 (2025)
- Status: Active
- Type: Single Family
- Source: MetroList_Colorado
- MLS ID: 9560556
- Updated: 10/8/2026
- Added to Site: 46 day(s) ago
Interior
- Interior Features: Audio/Video Controls, Built-in Features, Ceiling Fan(s), Central Vacuum, Entrance Foyer, Granite Counters, High Ceilings, High Speed Internet, In-Law Floorplan, Kitchen Island, Open Floorplan, Pantry, Primary Suite, Radon Mitigation System, Smoke Free, Sound System, Walk-In Closet(s), Wet Bar, Wired for Data
- Fireplace: Yes
- Number of Fireplaces: 2
- Fireplace(s): Family Room, Gas, Fireplace Insert, Primary Bedroom, Family Room, Gas, Insert, Primary Bedroom, Family Room, Gas, Insert, Primary Bedroom
- Appliances: Bar Fridge, Convection Oven, Cooktop, Dishwasher, Disposal, Dryer, Gas Water Heater, Microwave, Oven, Refrigerator, Sump Pump, Washer
- Furnishings: Partially
- Flooring: Carpet, Concrete
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 2
- 3/4 Bathrooms: 1
- Half Bathrooms: 1
- Main Floor Baths: 1
- Basement Baths: 1
Bedrooms
- Total Bedrooms: 4
Other Rooms
- Laundry: Sink
Additional Information
- Shared Amenities: Park, Parking, Playground, Trail(s)
- Security/Safety: Carbon Monoxide Detector(s), Radon Detector, Smoke Detector(s), Video Doorbell
Exterior
- Exterior Features: Balcony, Barbecue, Garden, Lighting, Private Yard, Rain Gutters, Water Feature
- Porch/Patio/Deck: Covered, Front Porch, Patio, Rooftop
Parking
- Garage: Yes
- Garage Spaces: 3
- Total Spaces: 6
- Parking Features: Concrete, Dry Walled, Exterior Access Door, Guest, Insulated Garage, Lighted, Oversized
Location
- County: Boulder
- Subdivision: Prospect New Town
- Driving Directions: Use Google or Apple Maps
- Direction Faces: South
School Information
- Elem School District: St. Vrain Valley RE-1J
- Midd School District: St. Vrain Valley RE-1J
- High School District: St. Vrain Valley RE-1J
- Elementary School: Burlington
- Middle School: Sunset
- High School: Niwot
Community
- Association: Yes
- Assoc. Name: Prospect HOA
- Assoc. Fees Include: Reserves, Snow Removal
- Pets Allowed: Yes
- Management Type: Professionally Managed
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Forced Air, Natural Gas
Utilities
- Gas: Yes
- Sewer: Public Sewer
- Water: Public
- Utility Description: Cable Available, Electricity Connected, Internet Access (Wired), Natural Gas Connected, Phone Available
Structural Information
- Structure Type: House
- Construction: Frame
- Basement: Yes
- Basement Desc.: Finished, Full, Sump Pump, Unfinished
- Roof: Metal
- Windows: Egress Windows, Window Coverings
- Square Feet: 4,420
- Sq. Ft. Source: Public Records
- Living Area: 4,220 Sq. Ft.
- Year Built: 2001
Lot Features
- Lot Size (Acres): 0.12
- Lot Size (Sq. Ft.): 5,443
- Frontage: Private Road, Public
- Street/Road Desc.: Alley Paved, Paved
- Road Maintenance: Private Maintained Road, Public Maintained Road
- Fence: Yes
- Lot Features: Greenbelt, Irrigated, Landscaped, Level, Many Trees, Master Planned, Near Public Transit, Open Space, Sprinklers In Front
- Fencing (Description): Full
Financial Considerations
- Association Fee: Yes
- Association Fee: $110
- Assoc Fee Freq.: Monthly
- Assoc Fee /Annual: $1,320
- Tax Amount: $8,565
- Tax Year: 2025
- Terms: 1031 Exchange, Cash, Conventional, Jumbo, VA Loan
Disclosures and Reports
- Ownership: Individual
- Special Conditions: None
- Legal Description: LOT 10 BLK 1 WALLACE ADDITION FLG 2
- Exclusions: Seller's Personal Property, Staging Furniture and Car Lift in Garage
- Property ID: R0141170
Listed by NextHome Aspire
We Value Your Privacy
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Listing agent
— 821 Incorrigible Cir —
NextHome Aspire
mike@nhaspireco.com,303-877-2082
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 821 Incorrigible Cir
School District:St. Vrain Valley School District Re 1j
| Name | Grades | Distance |
|---|---|---|
Burlington Elementary School, Longmont, CO 1051 South Pratt Parkway, Longmont, CO 80501 | PK-5 | 0.6 mi |
Sunset Middle School 1300 South Sunset Street, Longmont, CO 80501 | 6-8 | 0.9 mi |
Niwot High School 8989 Niwot Road, Niwot, CO 80503 | 9-12 | 3.1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 821 Incorrigible Cir
Tax History
Tax History for 821 Incorrigible Cir
Year
Property Taxes
Change
Tax Assessment
Change
2025
$8,565
—
$84,007
-5%
2025
$8,565
21%
$88,767
20%
2024
$7,093
1%
$74,149
-5%
2023
$6,996
17%
$77,834
27%
2021
$5,987
1%
$61,447
3%
2022
$5,910
-1%
$59,728
-8%
2021
$5,987
20%
$65,223
24%
2018
$4,982
1%
$52,445
—
2017
$4,914
-11%
$52,445
-9%
2016
$5,497
-12%
$57,511
-12%
2019
$6,236
19%
$65,223
13%
2015
$5,238
47%
$57,511
50%
2014
$3,572
—
$38,383
—
2013
$3,585
—
$38,383
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 821 Incorrigible Cir
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Sold by milehimodern - Boulder
821 Incorrigible Circle, Longmont, CO 80504 (MLS# 9560556) is a Single Family property with 4 bedrooms, 2 full bathrooms and 2 partial bathrooms. 821 Incorrigible Circle is currently listed for $1,499,900 and was received on September 11, 2026. Want to learn more about 821 Incorrigible Circle? Do you have questions about finding other Single Family real estate for sale in Longmont? You can browse all Longmont real estate or contact a Coldwell Banker agent to request more information.