
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

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
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
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Amenities
Designed for modern work

Exterior

Lobby

Conference

Patio

Parking
Gallery
Property photos

355 & 357 Main Street Exterior
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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.
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.