See Home Value
Firestone 80504
6446 Union Ave
$614,700
● House - Off Market

6446 Union Ave

Firestone, CO 80504
bedrooms
4 Beds
bathrooms
2 Baths, 1 Half Bath
square feet
3,014 Ft²
$3,477
Est. Monthly
$28
HOA / Fees
4.70%
Cap Rate

About This Property

Incredible Opportunity-2.5% VA Assumable Loan Available!

Welcome to 6446 Union Avenue, a beautifully upgraded home in one of Longmont's most desirable neighborhoods. This residence blends modern finishes, functional enhancements, and custom design details that truly set it apart. Luxury vinyl plank flooring extends across the first floor, stairs, and upper hallway for both durability and style. A custom-built owner's entry creates the perfect drop zone, while a dedicated office with built-in cabinetry provides an ideal work-from-home setup. The kitchen shines with quartz and granite countertops, an upgraded backsplash, and ample cabinetry, while the adjacent living room showcases a custom fireplace mantle and surround for a refined gathering space. Upstairs, the primary suite offers a private retreat with a shiplap tray ceiling and a custom-designed bath accented with stylish finishes. Additional bathrooms and the thoughtfully designed laundry room-with cabinetry and sink-continue the home's elevated look and function. Outside, enjoy a custom-built pergola, built-in dog run, and open views thanks to an easement behind the property that protects against direct construction. Every detail has been carefully considered, offering move-in-ready comfort and quality.

Don't miss your chance to secure a rare 2.5% VA assumable interest loan with this exceptional home.
Unit Size
3,014 Ft²
Days on Market
70 days
Land Size
0.26 acres
Price per sqft
$211
Property Type
House
Property Taxes
$331
HOA Dues
$28
Year Built
2013

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Last updated: 11 months ago (REcolorado MLS #6217777)

Price History

Date / Event Date Event Price
Nov 14, 2025 Sold
Sold
Oct 20, 2025 In contract -
In contract
Oct 4, 2025 Price Decreased $635,000
↓ $15K (2.3%)
Price Decreased
Sep 5, 2025 Listed by LPT Realty $650,000
Listed by LPT Realty
Feb 14, 2014 Sold
Sold
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Property Highlights

Garage
Air Conditioning
Fireplace

Building Info

Overview

    General

  • Year Built: 2013
  • Effective Year Built: 2013
  • Building Count: 1
  • Bedroom Count: 4
  • Bathroom Count: 3
  • Full Bathrooms: 3
  • Partial Bathrooms: 3
  • Bathroom Plumbing Fixtures: 14
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 17
  • Building Style: 40
  • Exterior Walls Type: 17
  • Interior Walls Type: 3
  • Roof Shape Type: 0
  • Roof Cover Type: 3
  • Floor Count: 200
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 9
  • Basement Area: 1,420
  • Garage Type: 1
  • Garage Square Area: 693
  • Parking Space Count: 2
  • Patio Type: 0
  • Porch Type: 36
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 11,273
  • Total Building Area: 5,127
  • Gross Building Area: 5,127
  • Building Area: 3,014
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 1
  • Heating: 3
  • Heated Square Feet: 3,014
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: OAK MEADOWS PUD FG#2
  • Land Acres: 0000000259
  • Standard Land Use Code: 1001
  • County Land Use Code: 1212
  • Legal Description 1: FIR 2OMP L9 BLK13 OAK MEADOWS PUD FG 2

Neighborhood

  • School District Name: St. Vrain Valley School District RE 1J
  • Census Tract: 002020

Geography

  • Assessors Map Reference: MAP 2333
  • Account Number: R1078402
  • Parcel: R1078402
  • Block: 13
  • Lot: 9
  • Meridian: SEC 6 TWN 2N RNG 67W
  • Latitude: 40.1636
  • Longitude: -104.932

    Address

  • Full Address: 6446 Union Ave
  • Address - House Number: 6446
  • Address - Street Name: Union
  • Address - Suffix Type: Ave
  • State: CO
  • City Name: Firestone
  • Carrier Code: R004
  • 4-Digit Zip Code: 6742
  • Zip Code: 80504

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $380,376
  • Tax Rate Code Area: 2084

    Appraisal Valuation

  • Standard Deviation: 0.1313
  • Valuation Date: Apr 03, 2024
  • Confidence Score: 85
  • Final Value: 645,516
  • High Value: 730,280
  • Low Value: 560,751

    Market Valuation

  • Market Total Value: $622,010
  • Market Land Value: $118,000
  • Market Improvement Value: $504,010

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $41,680
  • Assessed Land Value: $7,910
  • Assessed Improvements Value: $33,770

    Sales

  • Current Sale Contract Date: Aug 30, 2013
  • Current Sale Recording Date: Feb 14, 2014
  • Current Sale Price:
  • Current Sale Document Type: 21
  • Current Sale Input Document Number: 3996239
  • Previous Sale Recording Date: Sep 05, 2013
  • Previous Sale Contract Date: Aug 30, 2013
  • Previous Sale Amount: $368,300
  • Previous Sale Document Type: 68
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Firestone


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Frequently Asked Questions

When was property at 6446 Union Avenue built and last sold?
The property at 6446 Union Avenue was built in 2013 and last sold on Aug 30, 2013 for $382,642.
How much is this home worth?
The estimated value of the home located at 6446 Union Avenue is $0.
What are some comparable homes to 6446 Union Avenue?
There are currently no comparable homes to 6446 Union Avenue.