Metro Denver Luxury Homes For Sale

Property Description

Welcome to 5121 Mt. Arapahoe Circle in Longmont—a versatile and thoughtfully updated home perfect for multi-generational living, savvy home hackers, or anyone seeking flexible space and income potential.
One of the standout features is the newly renovated attached basement apartment, complete with its own private entrance and a charming, low-maintenance turf yard—ideal for guests, tenants, or extended family. Whether you’re offsetting your mortgage or creating a private retreat, this setup opens the door to endless possibilities.
The main level offers comfortable and functional living with a spacious primary suite, convenient half bath, dedicated dining room, bright kitchen, cozy living room, and a laundry room for everyday ease. Upstairs, you’ll find two expansive loft spaces—perfect for a home office, playroom, or additional living areas—along with two additional bedrooms and a full bathroom.
Outside, enjoy Colorado living at its best with a beautifully designed patio and garden area, plus a large covered front porch that faces a peaceful park—perfect for morning coffee or evening unwinding. A detached three-car garage provides ample space for vehicles, storage, or hobbies.
This home has been well cared for with many updates, including new windows and durable luxury vinyl plank flooring throughout, blending style with functionality.
A rare opportunity to own a home that truly adapts to your lifestyle—whether you’re investing, expanding, or simply settling in.

Features
: Forced Air
: Central Air
: Finished, Exterior Entry, Walk-Out Access
: Full
: Cats OK, Dogs OK
: Gas, Living Room
: Carbon Monoxide Detector(s), Smoke Detector(s), Video Doorbell
: Covered, Front Porch, Patio
: 3
: Negotiable
: Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Oven
: Playground, Park
: Composition
: Public Sewer
Address Map
CO
Weld
Longmont
80504
Mt Arapaho
5121
Circle
W105° 2' 31.9''
N40° 7' 19''
Additional Information
$135
Annually
3
: Frame, Wood Siding
West
Legacy
: Private Yard, Rain Gutters, Garden
1
: Carpet, Tile, Vinyl
Frederick
: Open Floorplan, Granite Counters, Kitchen Island, Eat-in Kitchen, Primary Suite, Five Piece Bath, In-Law Floorplan
Yes
Yes
Cash, Conventional, FHA, VA Loan
: Corner Lot, Sprinklers In Front, Many Trees, Sprinklers In Rear
Coal Ridge
Key Team Real Estate Corp.
R8308100
: None
: House
Summit View Estates
$4,524
2025
: Electricity Connected, Natural Gas Connected
: Double Pane Windows
04/23/2026
4032
Active
Yes
155066829
KEY21
St. Vrain Valley RE-1J
St. Vrain Valley RE-1J
St. Vrain Valley RE-1J
04/23/2026
04/23/2026
Public
: Two

Summit View Estates

5121 Mt Arapaho Circle, Longmont, CO 80504

4 Bedrooms
4 Total Baths
4,032 Square Feet
$675,000
Listing ID #4174350
Basic Details
Property Type : Residential
Listing Type : For Sale
Listing ID : 4174350
Price : $675,000
Bedrooms : 4
Rooms : 17
Total Baths : 4
Full Bathrooms : 3
1/2 Bathrooms : 1
Square Footage : 4,032 Square Feet
Year Built : 2000
Lot Area : 6,821 Acres
Lot Acres : 0.16
Property Sub Type : Single Family Residence
Status : Active
Co List Agent Full Name : Daniela Moler
Co List Office Name : Key Team Real Estate Corp.
Originating System Name : REcolorado
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