Old Saybrook Flex for Lease - SW Midlsx/Old Saybrk/Rt 9
141 Mill Rock Road East offers 23,000–50,000 SF of high-function flex space built for users who need power, process, and people — not 30’ clear. With 3,000 amps of power, this space is ideally suited for:
Light manufacturing & assembly; Advanced manufacturing support / additive / prototyping; Medical device, lab-adjacent, or regulated production; Aerospace / defense supplier operations; Testing, QA, and engineering services; Kitting, small-parcel fulfillment & returns processing; Training, tech support, and operations HQ
If your operation runs on equipment, not cube — this works.
Multiple voltage options: 110V, 220V, 277V, and 480V
Industrial-grade power distribution suitable for heavy manufacturing equipment and precision R&D operations
Building Features: Modern architectural design with extensive natural lighting through floor-to-ceiling windows
Open floor plans with exposed ceilings and industrial lighting; Flexible space configuration
Concrete flooring throughout industrial areas; Climate-control
Property Highlights
23,302 – 50,000 SF available (divisible)
3,000 AMP / 3-phase power (110–440V)
4 loading docks + 1 drive-in door
Efficient clear span / flexible layout
Generous on-site parking (300+ spaces)
Wet sprinkler system
Professional business park setting
Location Advantage: Positioned in the Old Saybrook Business Park, the property provides immediate access to:
I-95 & Route 9 (regional connectivity)
The New London / Groton defense corridor
The Middletown / Hartford manufacturing base
Shoreline labor pool + lifestyle amenities
Strategically located between major employment hubs without the congestion or cost.
A power-driven flex facility designed for modern industrial users who prioritize capability over clear height.
