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$3,100,000
13 Days On Site

855 Union Avenue
Boulder, CO 80304

For Sale|Single Family Residence|Active
5
Beds
5
Total Baths
2
Full Baths
3
Partial Baths
4,032
SqFt
$769
/SqFt
2026
Built
Subdivision:
Paris Sub
County:
Boulder
Call Now: 303-809-9259
Is this the listing for you? We can help make it yours.
303-809-9259
Upcoming Open Houses
Sat, Oct 24, 11:00 AM - 1:00 PM
Sun, Oct 25, 11:00 AM - 1:00 PM
855 Union Avenue855 Union Avenue855 Union Avenue855 Union Avenue
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OPEN HOUSE SAT 10/24 & SUN 10/25 11-1PM. Striking new modern farmhouse in coveted North Boulder, steps from Wonderland Lake, open space, trails + bike paths, minutes to Lucky's Market, cafes, restaurants + thriving NoBo Art District. Designed by Osmosis Architecture + built by Porchfront Homes, this 5-bed, 5-bath residence blends sophisticated architecture, curated finishes + exceptional energy efficiency. Designed to achieve Net-Zero HERS performance, w/high-performance construction, 15.2 kW solar system designed to offset annual energy consumption + 220V garage outlet for EV charging. Compare the possibilities: distinctive architecture, generous finished SF + an established neighborhood free from ongoing construction-all at a compelling price per SF relative to nearby luxury new homes. Soaring ceilings, expansive windows + wide-plank oak floors create light-filled interiors w/effortless flow between living, dining + entertaining spaces. Dramatic fireplace anchors the great room. Chef's kitchen features rift-cut cabinetry, contrasting black island, waterfall-edge Calacatta quartz, champagne bronze accents + Thermador appliances including 36" induction range. LaCantina folding kitchen windows open to a patio bar, creating seamless indoor-outdoor living. Walk-in pantry + mudroom w/custom built-ins add everyday functionality. Main-floor office w/adjacent 3/4 bath offers flexibility. Upstairs, 3 bedrooms + 3 baths include a serene primary suite w/custom walk-in closet + spa-inspired bath featuring soaking tub + oversized steam shower. Versatile loft for lounging or working from home + convenient upper-level laundry w/folding counter + cabinetry. Finished lower lvl offers exceptional guest + entertaining space w/expansive rec room, custom wet bar w/full-size refrigerator + dishwasher, 2 bedrooms + 3/4 bath. An additional 445 SF of dedicated basement storage for gear, outdoor equipment + household & seasonal essentials. Landscaped grounds w/irrigation + fully fenced yard

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Listing Snapshot
Price 
$3,100,000
Days On Site 
13 Days
Bedrooms 
5
Inside Area (SqFt) 
4,032 sqft
Total Baths 
5
Full Baths 
2
Partial Baths 
3
Lot Size 
0.17 Acres
Year Built 
2026
MLS Number 
IR1070294
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
Plans
Friends & Family
Recent Activity
9 hours agoListing updated with changes from the MLS
2 weeks agoStatus changed to Active
2 weeks agoListing first seen on site
General Features
Acres 
0.17
Additional Property Use 
Residential
Attached Garage 
Yes
Direction Faces 
North
Garage 
Yes
Garage Spaces 
2
Levels 
Two
Parking 
Attached
Parking Spaces 
2
Property Condition 
New Construction
Property Sub Type 
Single Family Residence
Security 
Fire Sprinkler SystemSmoke Detector(s)
Sewer 
Public Sewer
SqFt Above 
4032
SqFt Total 
4477
Style 
ContemporaryRustic
Utilities 
Cable AvailableElectricity Available
Water Source 
Public
Zoning 
RES
Interior Features
Appliances 
Bar FridgeDishwasherDisposalDouble OvenMicrowaveOvenRefrigerator
Basement 
Sump Pump
Cooling 
Ceiling Fan(s)Central Air
Fireplace Features 
ElectricLiving Room
Flooring 
TileWood
Heating 
Forced AirHeat Pump
Interior 
Kitchen IslandOpen FloorplanPantryVaulted Ceiling(s)Walk-In Closet(s)Wet Bar
Laundry Features 
In Unit
Bathroom Full 
Level - Upper
Bathroom Three Quarter 
Level - Main
Bedroom 
Dimensions - 15 x 12Level - UpperDescription - Carpet
Dining Room 
Dimensions - 16 x 11Level - MainDescription - Wood
Kitchen 
Dimensions - 20 x 15Level - MainDescription - Wood
Laundry 
Dimensions - 8 x 8Level - UpperDescription - Tile
Living Room 
Dimensions - 18 x 15Level - MainDescription - Wood
Office 
Dimensions - 13 x 10Level - MainDescription - Wood
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Exterior Features
Construction Details 
Frame
Fencing 
Fenced
Lot Features 
Sprinklers In Front
Patio And Porch 
Patio
Roof 
CompositionMembrane
View 
Mountain(s)
Waterview 
Mountain(s)
Community Features
School District 
Boulder Valley RE 2
Financing Terms Available 
CashConventional
Roads 
Paved
Schools
School District
Boulder Valley RE 2
Elementary School
Foothill
Middle School
Centennial
High School
Boulder
Listing courtesy of milehimodern - Boulder [email protected]



The content relating to real estate for sale in this Web site comes in part from the Internet Data eXchange ("IDX") program of METROLIST, INC., DBA RECOLORADO real estate listings held by brokers other than milehimodern - Boulder are marked with the IDX Logo. This information is being provided for the consumers' personal, non-commercial use and may not be used for any other purpose. All information subject to change and should be independently verified.

Neighborhood & Commute
Source: Walkscore
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