For Sale
New
Open House
Single family home for sale at 855 Union Ave, Boulder, CO 80304 | MLS# IR1070294 | Listing updated on 2026-10-10
Photo 1 of Single family home for sale at 855 Union Ave, Boulder, CO 80304 | MLS# IR1070294 | Listing updated on 2026-10-10
Photo 2 of Single family home for sale at 855 Union Ave, Boulder, CO 80304 | MLS# IR1070294 | Listing updated on 2026-10-10
Photo 3 of Single family home for sale at 855 Union Ave, Boulder, CO 80304 | MLS# IR1070294 | Listing updated on 2026-10-10
Photo 4 of Single family home for sale at 855 Union Ave, Boulder, CO 80304 | MLS# IR1070294 | Listing updated on 2026-10-10
46+
Beds Icon

Street View

$3,100,000

Monthly Est:$15,430

  • Beds Icon5 Beds
  • Beds Icon
    5 Baths
  • Beds Icon4,477sqft

855 Union Ave, Boulder, CO 80304

$15,430/moEst:

Get Pre-Approved

  • Single Family Residence

  • Built in 2026

  • $-- HOA

  • 7,216 sqft lot

  • $692/sq.ft

Description

OPEN HOUSE SAT 10/10 2-4PM! Striking new modern farmhouse in a coveted North Boulder location steps from Wonderland Lake, open space, trails + bike paths, with Lucky's Market, cafes, restaurants + the thriving NoBo Art District minutes away. Designed by Osmosis Architecture + built by Porchfront Homes, this 5-bedroom, 5-bath residence blends sophisticated yet inviting architecture, curated finishes + remarkable energy efficiency. Designed to achieve Net-Zero HERS performance, the home pairs high-performance construction with a 15.2 kW solar system designed to offset annual energy consumption + a garage with a 220V outlet for EV charging. Compare the possibilities: distinctive architecture, generous finished square footage + an established neighborhood setting without the disruption of ongoing construction, all at a compelling price per square foot relative to nearby luxury new homes. Soaring ceilings, expansive windows + wide-plank oak floors create light-filled interiors with an effortless flow between living, dining + entertaining spaces. A dramatic fireplace anchors the great room, while the chef's kitchen features rift-cut cabinetry, contrasting black island, waterfall-edge Calacatta quartz, champagne bronze accents + Thermador appliances including a 36" induction range. Walk-in pantry + mudroom w/custom built-ins add everyday functionality. A dedicated main-floor office with adjacent 3/4 bath provides flexibility. Upstairs, 3 bedrooms + 3 baths include a serene primary suite with generous custom walk-in closet + spa-inspired bath w/soaking tub + oversized shower. A versatile loft offers additional space for lounging or working from home. Convenient upper lvl laundry room w/folding counter + cabinetry. The finished lower level offers generous space for entertaining + guests, w/expansive rec room, wet bar w/full-size frig + dishwasher, 2 bedrooms + 3/4 bath. An additional 445 SF of storage adds versatility. Fully landscaped grounds with irrigation + fenced yard.

  • Houzeo last checked: 12 hours ago
  • Listing updated: October 10, 2026 at 6:21 am
  • Listing Provided by: Deanna Franco (720) 422-5131 | milehimodern - Boulder (303) 876-1073
  • Source: DENVER (RE COLORADO) MLS-CO | MLS#: IR1070294 DENVER (RE COLORADO) MLS-CO

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Boulder County

  • City

    Boulder

  • Neighborhood

    --

  • Year Built

    2026

  • HOA Fees

    -

  • Finished Area

    4,477 sqft

  • Lot Size

    7,216 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    DENVER (RE COLORADO) MLS

  • MLS Number

    IR1070294

  • MLS Status

    Active

Open House

Continue Your Journey in App

Find your dream home, receive real-time updates, and many more!

Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 5

    Bathrooms: 5

  • Bedroom

    Level: Upper

    Area: Square Feet

    Dimensions: 240.00

  • Bedroom

    Level: Upper

    Area: Square Feet

    Dimensions: 143.00

  • Bedroom

    Level: Upper

    Area: Square Feet

    Dimensions: 180.00

  • Bedroom

    Level: Basement

    Area: Square Feet

    Dimensions: 143.00

  • Bedroom

    Level: Basement

    Area: Square Feet

    Dimensions: 143.00

  • Dining Room

    Level: Main

    Area: Square Feet

    Dimensions: 176.00

  • Kitchen

    Level: Main

    Area: Square Feet

    Dimensions: 300.00

  • Laundry

    Level: Upper

    Area: Square Feet

    Dimensions: 64.00

  • Living Room

    Level: Main

    Area: Square Feet

    Dimensions: 270.00

  • Office

    Level: Main

    Area: Square Feet

    Dimensions: 130.00

  • Bathroom Full

    Level: Upper

  • Bathroom Full

    Level: Upper

  • Bathroom Three Quarter

    Level: Main

  • Bathroom Three Quarter

    Level: Basement

  • Bathroom Three Quarter

    Level: Upper

Interior

  • Heating

    Forced Air, Heat Pump

  • Flooring

    Tile, Wood

  • Cooling

    Ceiling Fan(s), Central Air

  • Appliances

    Bar Fridge, Dishwasher, Disposal, Double Oven, Microwave, Oven, Refrigerator

  • Interior Features

    Five Piece Bath, Kitchen Island, Open Floorplan, Pantry, Radon Mitigation System, Vaulted Ceiling(s), Walk In Closet(s), Wet Bar

  • Sewer

    Public Sewer

Construction

  • Year Built

    Year Built: 2026

  • Home type

    Single Family Residence

  • Property Condition

    New Construction

  • Roof

    Composition, Membrane

  • Construction Materials

    Frame

  • Architectural Style

    Contemporary, Rustic

Utilities & Energy

  • Utilities

    Cable Available, Electricity Available, Internet Access (wired)

  • Security Features

    Fire Sprinkler System, Smoke Detector(s)

  • Fireplace Features

    Electric, Living Room

  • Basement

    Sump Pump

  • Water Source

    Public

  • Laundry Features

    In Unit

Other Features

  • Lot Features

    Sprinklers In Front

  • Subdivision Name

    Paris Sub

  • Patio And Porch Features

    Patio

Price History

DateEventPrice

10/10/2026

Source: mls_logoDENVER (RE COLORADO) MLS-CO #RECIR1070294

Listed for Sale

$3,100,000

$769/sqft

10/08/2026

Source: mls_logoDENVER (RE COLORADO) MLS-CO #RECIR1070294

Coming Soon

$3,100,000

$769/sqft

Nearby Homes

Based on information from REcolorado®, Inc.through Oct 09, 2026, 02:30PM. Not all properties were listed and/or closed by Company. This representation is based in whole or in part on content supplied by REcolorado®, Inc. REcolorado®, Inc. does not guarantee nor is it in any way responsible for its accuracy. Content maintained by REcolorado®, Inc. may not reflect all real estate activity in the market. Some IDX listings have been excluded from this website. Any use search of data on the website, other than by a consumer looking to purchase real estate, is prohibited. If Houzeo suspect “scraping” of the data has occurred, the suspicion and any evidence will be reported to the MLS. IDX information is provided exclusively for consumers' personal non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by REcolorado®. The use of the IDX Data may be subject to an end user license agreement prescribed by REcolorado® as amended from time to time.
Based on information submitted to the MLS GRID as of Oct 09, 2026, 02:30PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. ©2026 REcolorado®, Inc. All Rights Reserved.

Advertising Broker: Albert Gollas | Gollas and Company, Inc.