


860 Union AvenueBoulder, CO 80304
Single Family · 5 Beds · 4 Full Baths · 4,318 Sq. ft. | 0.15 Acres860 Union Avenue Overview
- Time on Site:
- 88 days
- Visits:
- 0
A striking architectural residence in one of North Boulder’s most desirable pockets, perfectly positioned between Wonderland Lake and Foothills Community Park offering immediate access to miles of trails, open space, and some of North Boulder’s most coveted outdoor amenities. This 5-bedroom, 4-bath masterpiece offers over 4,000 square feet of thoughtfully designed living. Masterfully designed by architect JV DeSousa, the home is defined by clean lines, abundant natural light, soaring ceilings and a sense of volume and ease throughout. The open-concept main level is both refined and highly livable, anchored by custom artistic elements by local artist Osbourne Sculpture, including a statement fireplace, sculptural railing, and bespoke kitchen island. The flexible layout offers true versatility, featuring a spacious main-level office that easily converts to a guest suite with a built-in Murphy bed and access to an ensuite full bath. Function is seamlessly integrated with walk-in closets, built-in dressers, generous shelving, and a well-appointed laundry/mudroom with utility sink and custom cubbies. An oversized garage adds storage and convenience, while recent system upgrades, including two new furnaces, A/C systems, and solar panels producing energy beyond current usage, enhance efficiency and long-term value. Thoughtful capital improvements have been made throughout, including an extension of the outdoor living experience with a composite deck, wood fencing, a premium pergola, and low-water landscaping creating a private, low-maintenance setting designed for both relaxation and entertaining. The fully finished lower level expands the living space with a versatile layout, complete with built-in Murphy bunk beds, ideal for guests, media, or play. Fresh, intentionally minimal and architecturally distinct, this home offers a refined backdrop and a rare opportunity to own a truly enduring piece of North Boulder.
860 Union Avenue Facts & Features
- Type Single Family
- Sq. ft. 4,318
- Price/Sq.ft. $567
- Lot 0.15 Acres
Details
General
Association/HOA
- Association: false
School Information
- School District: Boulder Valley RE 2
- Elementary School: Foothill
- Middle Or Junior School: Centennial
- High School: Boulder
Building Information
- Year Built: 2001
Location/Region
- Country: US
- County Or Parish: Boulder
- Subdivision Name: Makena Taylor
Tax Information
- Tax Annual Amount: 13552
- Tax Year: 2025
General Information
- Exclusions: All personal Property with the exception of Murphy Beds.
- Furnished: Unfurnished
- Listing Terms: Cash,Conventional
- Ownership: Individual
- Parcel Number: R0034008
- Property Sub Type: Single Family Residence
- Property Type: Residential
- Senior Community: false
- Special Listing Conditions: None
Interior
Parking Information
- Garage Spaces: 2
Beds/Baths
- Bathrooms Full: 4
- Bathrooms Half: 0
- Bathrooms One Quarter: 0
- Bathrooms Three Quarter: 0
- Bathrooms Total: 4
- Bedrooms Total: 5
Building Interior
- Above Grade Finished Area: 2940
- Below Grade Finished Area: 900
- Building Area Source: Public Records
- Building Area Total: 4318
General Information
- Appliances: Convection Oven,Cooktop,Dishwasher,Disposal,Dryer,Microwave,Refrigerator,Sump Pump,Washer
- Cooling: Central Air
- Fireplace Features: Gas
- Fireplaces Total: 1
- Flooring: Carpet,Laminate,Wood
- Heating: Forced Air
- Interior Features: Entrance Foyer,Granite Counters,High Speed Internet,Kitchen Island,Open Floorplan,Radon Mitigation System,Smart Thermostat,Vaulted Ceiling(s),Walk-In Closet(s)
- Laundry Features: In Unit
- Levels: Two
- Living Area: 3840
- Main Level Bathrooms: 1
- Main Level Bedrooms: 1
Exterior
Parking Information
- Parking Total: 2
Lot Information
- Lot Features: Landscaped,Many Trees,Sprinklers In Front,Sprinklers In Rear
- Lot Size Acres: 0.15
- Lot Size Area: 6412
- Lot Size Square Feet: 6412
- Lot Size Units: Square Feet
- Road Surface Type: Paved
Building Exterior/Construction
- Architectural Style: Contemporary
- Attached Garage: true
- Construction Materials: Frame,Stone,Stucco
- Patio And Porch Features: Covered
- Roof: Composition
- Structure Type: House
General Information
- Carport Spaces: 0
- Exterior Features: Garden,Lighting,Private Yard
- Fencing: Full
- Sewer: Public Sewer
- Utilities: Cable Available,Electricity Connected
Room Information
Room: Bathroom Full
- Level: Basement
- Length: 6
- Width: 10
Room: Bedroom
- Level: Basement
- Length: 13
- Width: 11
Room: Family Room
- Level: Basement
- Length: 26
- Width: 31
- Description: Multi purpose Space with plenty of room to entertain
Room: Utility Room
- Level: Basement
- Length: 10
- Width: 20
Room: Bathroom Full
- Level: Main
- Features: En Suite Bathroom
Room: Bedroom
- Level: Main
- Length: 13
- Width: 11
Room: Great Room
- Level: Main
- Length: 26
- Width: 31
- Description: Dramatic vaulted ceiling, tons of natural light
Room: Kitchen
- Level: Main
Room: Laundry
- Level: Main
- Length: 10
- Width: 20
Room: Bathroom Full
- Level: Upper
- Length: 11
- Width: 13
- Features: En Suite Bathroom,Primary Suite
Room: Bathroom Full
- Level: Upper
- Length: 11
- Width: 5
Room: Bedroom
- Level: Upper
- Length: 18
- Width: 11
Room: Bedroom
- Level: Upper
- Length: 12
- Width: 13
Room: Bedroom
- Level: Upper
- Length: 15
- Width: 19
- Features: Primary Suite
860 Union Avenue Neighborhood
Community
80304 (Boulder) Demographics
Schools
School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.860 Union Avenue Monthly Cost
860 Union Avenue Market Data
Based on the last 30 days in this zip code
860 Union Avenue History
| Date | Value | Agent |
|---|---|---|
| 6/16/2026Source: REColorado MLS | $2,450,000 -3.0% |
|
| 5/15/2026Source: REColorado MLS | $2,525,000 -2.7% |
|
| 4/2/2026Source: REColorado MLS | April 02, 2026 |























































