3555 4th Street, Boulder, CO 80304

Boulder
Local realty services provided by:Better Homes and Gardens Real Estate Kenney & Company
3555 4th Street,Boulder, CO 80304
$7,950,000
  • 4 Beds
  • 5 Baths
  • 4,218 sq. ft.
  • Single family
  • Active
Listed by: lucy conklin
Office: compass - boulder
MLS#:IR1058738
Source:ML

Price summary

  • Price:$7,950,000
  • Price per sq. ft.:$1,884.78

About this home

Set into the foothills at the base of Mount Sanitas, 3555 4th Street is a study in organic modernism, where limestone, steel, & expanses of glass blur the line between home & landscape. Designed by Fanas Architecture, the home is a work of architectural integrity, realized at the highest level of craft. A smooth limestone spine wall threads through the home, with rough-hewn limestone as a counterpoint. In the great room, exposed steel I-beams frame 24-foot retractable walls of glass, opening to north & south-facing patios. European white oak with radiant heat runs underfoot, beneath a floating wood-plank ceiling washed in cove lighting. The chef's kitchen by EKD features custom walnut cabinetry, a hand-laid mosaic backsplash, Dornbracht fixtures, & Gaggenau appliances. Built-ins flow through the butler's pantry, mudroom, & laundry. A main-floor flex suite serves as primary, office, or guest, complete with walk-out patio, walnut walk-in closet, & Japanese-inspired bath in Vola...

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Home facts

  • Year built:2021
  • Listing ID #:IR1058738

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:5
  • Full bathrooms:4
  • Half bathrooms:1
  • Flooring:Tile, Wood
  • Bathrooms Description:Five Piece Bath
  • Kitchen Description:Disposal, Eat-in Kitchen, Kitchen Island, Pantry
  • Basement:Yes
  • Living area:4,218 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Forced Air, Radiant
  • Central air:Yes

Structure and exterior

  • Roof:Membrane
  • Year built:2021
  • Building area:4,218 sq. ft.
  • Lot area:0.35 Acres
  • Lot Features:Level, Rock Outcropping, Sprinklers In Front
  • Architectural Style:Contemporary
  • Construction Materials:Stone
  • Exterior Features:Balcony, Deck, Patio
  • Levels:2 Story

Schools

  • High school:Boulder
  • Middle school:Centennial
  • Elementary school:Foothill

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$7,950,000
  • Price per sq. ft.:$1,884.78
  • Tax amount:$16,016 (2024)

Features and amenities

  • Laundry features:In Unit
  • Amenities:Fire Alarm, Fire Sprinkler System, Humidifier, Smoke Detector(s), Triple Pane Windows, Window Coverings

Parking

  • Total parking spaces:3
  • Parking description:Heated Garage, Oversized
  • Garage:Yes
  • Garage spaces:3
MLS LogoBased on information submitted to the MLS GRID as of May 15, 2026 10:47 AM. 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.

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