See Home Value
$1,144,000
● House - Off Market

725 Union Ave

Boulder, CO 80304
bedrooms
4 Beds
bathrooms
2 Baths
square feet
2,194 Ft²
$6,712
Est. Monthly

About This Property

Discover a rare opportunity to own a beautiful and versatile home in one of Boulder's most coveted neighborhoods. Nestled at the base of the foothills, this inviting property places you just steps from miles of scenic trails, Foothills Community Park, and Wonderland Lake - making it the ideal home for outdoor enthusiasts. Enjoy morning coffee or evening sunsets on your brand-new front deck with stunning foothill views, or cultivate your green thumb in the spacious yard. Inside, the main level features a bright and airy living room with vaulted ceilings, two comfortable bedrooms, a full bathroom, laundry area, and a well-appointed kitchen that opens to the living space. Upstairs, the spacious loft offers the perfect flex space for a home office, reading nook, or yoga retreat. The upper level also includes a full bathroom with double vanity and a private primary suite with its own balcony - a tranquil escape with views and fresh mountain air. What sets this home apart is its versatility. The west side of the house includes a separate entrance leading to additional living space, a bedroom, and bathroom - presenting a fantastic opportunity for work from home space, Airbnb income, a guest suite, or multigenerational living. Located near top-rated schools such as Foothill Elementary, Centennial Middle School, and Shining Mountain Waldorf School, this home is also close to shopping centers, local dining, and all the vibrant amenities Boulder has to offer. 725 Union Ave is more than just a home - it's a lifestyle. With an unbeatable location, flexible living spaces, and endless potential, this is Boulder living at its finest.
Unit Size
2,194 Ft²
Days on Market
-
Land Size
0.17 acres
Price per sqft
$558
Property Type
House
Property Taxes
$696
HOA Dues
-
Year Built
1964

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Last updated: 2 months ago (IRES MLS #IRE1037349)

Price History

Date / Event Date Event Price
Aug 18, 2025 Sold
Sold
Jun 20, 2025 Listed $1,225,000
Listed
Dec 7, 2016 Sold
Sold
Jul 23, 2004 Sold
Sold

Property Highlights

Fireplace
With View

Building Info

Overview

    General

  • Year Built: 1964
  • Effective Year Built: 1995
  • Building Count: 1
  • Total Rooms: 8
  • Bedroom Count: 4
  • Bathroom Count: 3
  • Full Bathrooms: 2
  • Partial Bathrooms: 3
  • Building Condition: 3
  • Building Quality: 4
  • Construction Type: 6
  • Building Style: 2
  • Exterior Walls Type: 16
  • Interior Walls Type: 3
  • Roof Shape Type: 0
  • Roof Cover Type: 15
  • Floor Count: 200
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 7,382
  • Total Building Area: 2,194
  • Gross Building Area: 2,194
  • Building Area: 2,194
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 2
  • Heating: 4
  • Heated Square Feet: 2,194
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: WEST UNION SUB
  • Land Acres: 0000000170
  • Standard Land Use Code: 1001
  • County Land Use Code: 1112
  • Legal Description 1: LOT 2 WEST UNION

Neighborhood

  • School District Name: Boulder Valley School District RE-2
  • Census Tract: 012104

Geography

  • Assessors Map Reference: B3-L
  • Account Number: R0109873
  • Parcel: R0109873
  • Lot: 2
  • Meridian: SEC 13 TWN 1N RNG 71
  • Municipality: BOULDER
  • Latitude: 40.0533
  • Longitude: -105.289

    Address

  • Full Address: 725 Union Ave
  • Address - House Number: 725
  • Address - Street Name: Union
  • Address - Suffix Type: Ave
  • State: CO
  • City Name: Boulder
  • Carrier Code: C082
  • 4-Digit Zip Code: 0706
  • Zip Code: 80304

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $689,048
  • Tax Rate Code Area: 00-010

    Appraisal Valuation

  • Standard Deviation: 0.1714
  • Valuation Date: May 17, 2023
  • Confidence Score: 78
  • Final Value: 1,429,351
  • High Value: 1,674,358
  • Low Value: 1,184,345

    Market Valuation

  • Market Total Value: $1,460,200
  • Market Land Value: $1,042,300
  • Market Improvement Value: $417,900

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $98,783
  • Assessed Land Value: $70,512
  • Assessed Improvements Value: $28,271

    Sales

  • Current Sale Contract Date: Nov 13, 2016
  • Current Sale Recording Date: Dec 07, 2016
  • Current Sale Price:
  • Current Sale Document Type: 71
  • Current Sale Input Document Number: 3561651
  • Previous Sale Recording Date: Jul 23, 2004
  • Previous Sale Contract Date: Jul 21, 2004
  • Previous Sale Amount: $550,000
  • Previous Sale Document Type: 71

    Financing

  • First Mortgage Financing Type: ADJ
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 North Boulder


Similar Homes for Sale

Currently no similar homes around

Nearby Rentals

Unit for rent at 1240 Cedar Ave, CO, 80304

$1,642 /mo

  • 1 Bed
  • 1 Bath
1240 Cedar Ave, CO, 80304 Listing by Rick Rivera


Frequently Asked Questions

When was property at 725 Union Avenue built and last sold?
The property at 725 Union Avenue was built in 1964 and last sold on Nov 13, 2016 for $807,827.
How much is this home worth?
The estimated value of the home located at 725 Union Avenue is $1,235,255.
What are some comparable homes to 725 Union Avenue?
There are currently no comparable homes to 725 Union Avenue.