860 Union Avenue, Boulder, CO 80304
Makena Taylor · Boulder County
Key Facts
Description
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.
Property Information
Property Type
Residential
Sub-Type
Single Family Residence
Structure Type
House
Year Built
2001
Living Area
4,318 sq ft
Lot Size
0.15 acres
Garage Spaces
2
Parking Spaces
2
Ownership
Individual
Days on Market
75
MLS® Listing#
2663653
Property Features
Interior
Exterior
Appliances
Cooling
Heating
Flooring
Fireplace
Basement
Parking
Laundry
Patio
Fencing
Lot Features
Construction
Roof
Utilities
Sewer
Rooms
- 6 x 10Basement
- Main
- 11 x 5Upper
- 11 x 13Upper
- Bedroom13 x 11Basement
- Bedroom13 x 11Main
- Bedroom18 x 11Upper
- Bedroom15 x 19Upper
- Bedroom12 x 13Upper
- Family Room26 x 31Basement
- Great Room26 x 31Main
- KitchenMain
- Laundry10 x 20Main
- Utility Room10 x 20Basement
Schools
- Elementary:
- Foothill
- Middle:
- Centennial
- High:
- Boulder
Financial Details
HOA
None
Annual Taxes
$13,552
Tax year 2025
Parcel Number
R0034008
Affordability Calculator
$490,000
Estimated monthly payment
$13,040/mo
Principal $1,960,000 · Est. interest $2,734,374 over 30 yrs
Neighborhood Market Statistics
How this home compares to active listings in Boulder, CO
- $1,000,000
- Median Listing Price
- 64
- Median Days on Market
- 2,015
- Median Sq Ft
- $563
- Median Price / Sq Ft
- 1,425
- Active Listings
- This home’s price is 145% above the area median.
- Its price per sq ft is 1% above the area median.
Market statistics compiled from active EXIT Realty® and MLS listings in Boulder, CO.
Location
- 860 Union Avenue, Boulder, CO 80304
Points of Interest in Boulder, CO
Showing the Boulder area map.
Nearby Schools
Shining Mountain Waldorf School
Elementary · 0.2 mi away
Jarrow Montessori School
Elementary · 0.5 mi away
New Horizons Cooperative Preschool - Boulder
School · 0.6 mi away
Crest View Elementary School
Elementary · 0.7 mi away
Tara Performing Arts High School
Secondary · 0.8 mi away
Boulder Journey School
Elementary · 0.9 mi away
Centennial Middle School
Secondary · 1.1 mi away
Foothill Elementary School
Elementary · 1.2 mi away
Blue Sky Kindergarten
Elementary · 1.6 mi away
Snow Lion School
School · 1.7 mi away
Columbine Elementary School
Elementary · 1.7 mi away
Watershed School
School · 1.9 mi away
Mount Zion Lutheran Church & School
Elementary · 1.9 mi away
Casey Middle School
Secondary · 2.1 mi away
Mapleton Montessori School
Elementary · 2.2 mi away
Mapleton Ecc-BVSD
School · 2.3 mi away
Friends School
Secondary · 2.3 mi away
Whittier Elementary School
Elementary · 2.3 mi away
Doorways English School for International Women
School · 2.5 mi away
The Acorn School
School · 2.7 mi away
Commute Calculator
Nearby Homes
Similar Homes Nearby
Similar Home Values
Comparable nearby listings and their asking prices.
| Address | Price | Beds | Baths | Sq Ft |
|---|---|---|---|---|
| 3540 19th St, Boulder, CO | $1,745,000 | 4 | 3 | 2,476 |
| 3540 19th St, Boulder, CO | $1,745,000 | 4 | 3 | 2,476 |
| 835 Yellow Pine Ave, Boulder, CO | $1,750,000 | 4 | 4 | 2,982 |
| 835 Yellow Pine Avenue, Boulder, CO | $1,750,000 | 4 | 4 | 2,982 |
| 3880 Chippewa Drive, Boulder, CO | $1,750,000 | 5 | 3 | 3,246 |
| 3880 Chippewa Dr, Boulder, CO | $1,750,000 | 5 | 3 | 3,246 |
Moving Cost Estimate
EXIT Agents in Boulder
Listing Courtesy: Atlas Real Estate Group - alex.johnson@realatlas.com,303-521-0187
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