SIENA SQUARE

Siena Square


  • Denver Tech Center

    Slide title

    Write your caption here
    Button
Download Office Brochure

Boulder Pearl Street Mall

Retail & Office Building

Siena Square is located one-half block off the iconic Pearl Street Mall in Downtown Boulder, named the Happiest Place in the United States. Surrounded by the stunning Flatiron Mountain views, Siena is situated within walking distance of hundreds of shops, cafés and restaurants on the four-block-long pedestrian mall that celebrates its 45th anniversary in 2022.


Siena Square is located on a highly visible corner with significant vehicle and foot traffic as it is also positioned in immediate proximity to multiple City parking lots. Home to the University of Colorado and the picturesque Flatirons, Boulder is a top destination for travelers, attracting millions of visitors each year. The average household income in Boulder is greater than $110,000, with an average home price of $845,000 and a median resident age of 29.

Building Improvements:

  • Significant infrastructure modernization
  • Lobby & Common Areas Renovated
  • Electronic Building Directory Installed
  • Elevator Cabs & Lobby Updated
  • New Art & Furniture throughout
  • New Flooring and Painting throughout
  • New LED Lighting & Ceiling throughout
  • Restrooms Updated
Download Retail Brochure

Property Highlights

  • Class A, Office & Retail
  • 55,000 square feet
  • 4 stories
  • 4-story Interior Atrium with Glass Roof
  • Complete Renovation of Interiors
  • Easy Access to Parking, Restaurants & Shops
  • Historic Building with Modern Finishes
CURRENTLY AVAILABLE
  • FSB Property Highlights

    Slide title

    Write your caption here
    Button


Collaborative Network of Business

The downtown Boulder setting drives a collaborative business environment that helps Siena Square tenants prosper and network throughout the community and the world. Boulder and Siena Square, alike, are filled with a wide range of companies from startups to Fortune 500 – in diverse industries including retailing, aerospace, bioscience, technology, software, sustainability, and outdoor recreation.

Retail Tenants

  •   Astro Coffee Bar
  •   Mudd Salon
  •   NOMAD
  •   SideDoor Salon
  •   Zeal Optics

Office Tenants

  • Boomtown Accelerators
  • Daily AI
  • Day Webb & Associates
  • Dietze & Davis Attorneys
  • Environmental Defense Fund
  • Sensory, Inc.

Leasing Information

Leasing Information

Share by: