Infrastructure,
in place.
357 Main is fully leased—and built to keep working. Active Tier 1 fiber, Tier 2 available on demand, and generator-backed power support the campus's physical and virtual operations.
Systems / 01—04
The quiet systems behind continuous work.
357 Main is the operational anchor of a two-building campus: a place where physical occupancy, resilient services, and remote business presence meet.
Tier 1 fiber
An active Tier 1 fiber connection is in place at the building.
Tier 2 fiber
A second fiber tier can be made available in response to operating requirements.
Standby power
Generator-backed building power supports resilience without making an uptime guarantee.
Occupancy
The building is fully leased. No physical suites are being marketed through this site.
Infrastructure is an amenity
Ready before the request.
Connectivity and backup power are treated as building systems—not afterthoughts. The result is an address prepared for modern operating requirements, without overstating what infrastructure can guarantee.
- Fiber A
- Tier 1 / active
- Fiber B
- Tier 2 / on demand
- Power
- Generator-backed
Beyond occupancy
A physical anchor for virtual customers.
357 Main supports virtual-office customers who need an established business presence connected to a real, professionally operated campus.
This site provides building and operating context. Service terms, eligibility, and onboarding are handled through consultation—not automated checkout.
Discuss a virtual presenceAI-native readiness,
without the hype.
357 Main is being prepared to support the next layer of private, local intelligence. The building's infrastructure provides a credible foundation; the future offering will define the operating model.
Hardware pre-booking, rental or purchase, and NativeAgentic local deployment are planned capabilities. They are not currently available for transaction.
One address / connected roles
Part of a deliberately structured campus.
357 Main is a building within Armonk Professional Center. The property is owned and operated by Sovereign Shells within the North Castle Ventures ecosystem.
Building notes
Direct answers.
Is space available at 357 Main?+
No. 357 Main is fully leased. This site does not market physical suites or accept leasing applications.
What connectivity is in place?+
Tier 1 fiber is active. Tier 2 fiber is available on demand, subject to operating requirements and provider coordination.
Does the building have backup power?+
The building is generator-backed. That describes the resilience system in place; it is not an uptime guarantee.
What is available for virtual-office customers?+
357 Main serves as a physical campus anchor for virtual customers. Current terms and fit are discussed directly through consultation.
Can I order hardware or a local AI deployment now?+
Not yet. Hardware pre-booking, rental or purchase, and NativeAgentic deployment are planned R7 capabilities and are not currently transactional.
Informational consultation
Start with the operating requirement.
For virtual-office context, infrastructure questions, or future-readiness planning, begin with a direct conversation.
Request a consultation