Armonk Professional Center - Modern brick and glass office building

Armonk, New York

Armonk Professional Center

36,007 sq ft boutique office campus on Main Street

The Campus

Two buildings united by design

Located in the hamlet of Armonk, minutes from IBM, Swiss RE, and Regeneron, the campus combines midcentury character with contemporary functionality.

355 Main Street

355 Main Street

357 Main Street

357 Main Street

Our Tenants

Now Furnished & Leasing

355 Main
The Destination Workplace

A design-led workplace within Armonk Professional Center, now fully furnished and move-in ready. Featuring premium Vitra configurations, a molecular chandelier lobby, Casambi lighting, and abundant natural light throughout.

Walk the space in 3D
355 Main — The Destination Workplace at Armonk Professional Center

Now Furnished & Leasing

Move-in ready private offices, executive suites & custom configurations.

Virtual Tour

Walk the space

Explore 355 Main in immersive 3D. Navigate through private offices, executive suites, the cafe, meeting rooms, and every carefully designed detail.

Explore in 3D

Click to launch the interactive walkthrough

Powered by Matterport — use your mouse or touch to navigate. Scroll to zoom.

Amenities

Designed for modern work

Armonk Professional Center Exterior

Exterior

357 Main Lobby with Louis Poulsen lighting

Lobby

Conference Room

Conference

Outdoor Patio

Patio

Covered Parking

Parking

Location

In the heart of Armonk

A walkable Main Street location surrounded by essential services, dining options, and major corporate neighbors—everything your business needs within reach.

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Corporate Neighbors

  • IBM World Headquarters
  • Swiss RE Americas
  • Regeneron Pharmaceuticals

Dining

  • Amore Pizzeria
  • Country Kitchen

Cafes

  • Tazza Cafe
  • Bagel Emporium
  • Bluestone Lane

Banks & Services

  • Chase Bank
  • Wells Fargo
  • USPS Post Office

Architecture

Designed by Vatche Simonian

The campus transformation includes the ground-up construction of 357 Main Street and a new elevator tower addition to 355 Main Street, seamlessly merging heritage with contemporary design.

Armonk Professional Center | 355 & 357 Main Street | Office Space for Lease