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Sold for $650,000
  • $650,000

    5121 Mt Arapaho Circle, Longmont, CO 80504

    4beds
    4,032sqft
    Single Family Residence
    Built in 2000
    6,821 Square Feet Lot
    $649,900 Zestimate®
    $161/sqft
    $3,496 Estimated rent

    Home value

    $649,900

    $617,000 - $682,000

    $3,496/mo

    Zestimate® history
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    What's special

    Charming low-maintenance turf yardConvenient half bathPrivate entranceSpacious primary suiteTwo expansive loft spacesTwo additional bedroomsBright kitchen
    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, office space, 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.

    Zillow last checked:

    Listing updated:

    Listed by:

    Elyse Anderson 303-435-4487 elyse@thekey.team,

    Key Team Real Estate Corp.,

    Daniela Moler 720-839-0057,

    Key Team Real Estate Corp.

    Bought with:

    Elyse Anderson, 100055864

    Key Team Real Estate Corp.

    Source: REcolorado as distributed by MLS GRID,MLS#: 4174350MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 4
    • Full bathrooms: 3
    • 1/2 bathrooms: 1
    • Main level bathrooms: 2
    • Main level bedrooms: 1
    Bedroom
    • Features: Primary Suite
    • Level: Main
    Bedroom
    • Level: Upper
    Bedroom
    • Level: Upper
    Bedroom
    • Level: Basement
    Bathroom
    • Features: En Suite Bathroom, Primary Suite
    • Level: Main
    Bathroom
    • Level: Upper
    Bathroom
    • Level: Main
    Bathroom
    • Level: Basement
    Dining room
    • Level: Main
    Dining room
    • Level: Basement
    Kitchen
    • Level: Main
    Kitchen
    • Level: Basement
    Laundry
    • Level: Main
    Living room
    • Level: Main
    Living room
    • Level: Basement
    Loft
    • Level: Upper
    Loft
    • Level: Upper
    Office
    • Level: Main
    Heating
    • Forced Air
    Cooling
    • Central Air
    Appliances
    • Included: Dishwasher, Disposal, Dryer, Microwave, Oven, Refrigerator, Washer
    Features
    • Eat-in Kitchen, Five Piece Bath, Kitchen Island, Open Floorplan, Primary Suite
    • Flooring: Carpet, Tile, Vinyl
    • Windows: Double Pane Windows
    • Basement: Exterior Entry,Finished,Walk-Out Access
    • Number of fireplaces: 1
    • Fireplace features: Gas, Living Room
    Interior area
    • Total structure area: 4,032
    • Total interior livable area: 4,032 sqft
    • Finished area above ground: 2,576
    • Finished area below ground: 1,456

    Property

    Parking
    • Total spaces: 3
    • Parking features: Carport
    • Carport spaces: 3
    Features
    • Levels: Two
    • Stories: 2
    • Patio & porch: Covered, Front Porch, Patio
    • Exterior features: Garden, Private Yard, Rain Gutters
    • Fencing: Full
    Lot
    • Size: 6,821 Square Feet
    • Features: Corner Lot, Many Trees, Sprinklers In Front, Sprinklers In Rear
    Details
    • Parcel number: R8308100
    • Special conditions: Standard

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence
    Materials
    • Frame, Wood Siding
    • Roof: Composition
    Condition
    • Updated/Remodeled
    • Year built: 2000

    Utilities & green energy

    • Sewer: Public Sewer
    • Water: Public
    • Utilities for property: Electricity Connected, Natural Gas Connected

    Community & HOA

    Community
    • Security: Carbon Monoxide Detector(s), Smoke Detector(s), Video Doorbell
    • Subdivision: Summit View Estates
    HOA
    • Has HOA: Yes
    • Amenities included: Park, Playground
    • HOA fee: $135 annually
    • HOA name: Flagstaff Property Management
    • HOA phone: 303-682-0098
    Location
    • Region: Frederick

    Financial & listing details

    • Price per square foot: $161/sqft
    • Tax assessed value: $673,073
    • Annual tax amount: $4,524
    • Date on market: 4/23/2026
    • Listing terms: Cash,Conventional,FHA,VA Loan
    • Exclusions: Seller's Personal Property
    • Ownership: Individual
    • Electric utility on property: Yes
    • Road surface type: Paved

    Price history

    DateEventPrice
    8/7/2026Sold$650,000-2.3%$161/sqft
    Source: REcolorado as distributed by MLS GRID #4174350 Report a problem
    7/15/2026Pending sale$665,000$165/sqft
    Source: REcolorado as distributed by MLS GRID #4174350 Report a problem
    5/27/2026Price change$665,000-1.5%$165/sqft
    Source: REcolorado as distributed by MLS GRID #4174350 Report a problem
    4/23/2026Listed for sale$675,000+11%$167/sqft
    Source: REcolorado as distributed by MLS GRID #4174350 Report a problem
    2/2/2024Sold$608,000+1.3%$151/sqft
    Source: Public Record Report a problem
    12/21/2023Pending sale$600,000$149/sqft
    Source: REcolorado as distributed by MLS GRID #6909765 Report a problem
    12/16/2023Price change$600,000-3.2%$149/sqft
    Source: REcolorado as distributed by MLS GRID #6909765 Report a problem
    10/16/2023Listed for sale$620,000+77.1%$154/sqft
    Source: REcolorado as distributed by MLS GRID #6909765 Report a problem
    5/19/2014Sold$350,000-12.5%$87/sqft
    Source: Public Record Report a problem
    4/11/2014Pending sale$399,900$99/sqft
    Source: RE/MAX MASTERS INC #6631944 Report a problem
    3/27/2014Listed for sale$399,900+45%$99/sqft
    Source: RE/MAX MASTERS INC #6631944 Report a problem
    11/3/2000Sold$275,825$68/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2026$4,524 +9.1%$41,200 -2.1%
    2025$4,145 +4.5%$42,070 -7%
    2024$3,968 +14.3%$45,250 -1%
    2023$3,470 -0.9%$45,690 +31.6%
    2022$3,501 +6.8%$34,730 -2.8%
    2021$3,280 $35,730 +5.9%
    2020$3,280 +19.4%$33,750
    2019$2,748 -17.5%$33,750 +16.3%
    2018$3,330 +21.2%$29,010
    2017$2,748 -0.9%$29,010 +13.9%
    2016$2,773 +16.7%$25,470
    2015$2,375 +33.9%$25,470 +33.8%
    2014$1,774 $19,030
    2013-- $19,030 -8.6%
    2012-- $20,820
    2011-- $20,820 +8.2%
    2010-- $19,240
    2009-- $19,240 -19.1%
    2008-- $23,790
    2007-- $23,790 +2.1%
    2006-- $23,290
    2005-- $23,290 +4.2%
    2004-- $22,360 -1%
    2003-- $22,580 +8.8%
    2002-- $20,750
    Find assessor info on the county website

    Neighborhood: 80504

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Legacy
    • Middle: Coal Ridge
    • High: Frederick
    • District: St. Vrain Valley RE-1J

    Source: REcolorado 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.

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    Estimated market value
    $649,900
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $649,900