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.