Exterior Building Services · New York City & Tri-State
Drone-powered exterior maintenance for buildings and infrastructure. Safer operations, faster deployment, and precision results—without scaffolding or lifts.
Green Stone Maintenance Inc. specializes in drone and robotic exterior services for high-rise buildings and critical infrastructure.
We replace outdated, high-risk methods with automated systems that deliver cleaner surfaces, clearer inspections, and compliance-ready reporting.
Our Core Services
Purpose-built systems combine cleaning, inspection and documentation capabilities in a single modern service platform.
High-precision cleaning for glass, stone, metal, and composite exteriors.
Streak-free results for high-rise windows without scaffolding.
Protective coatings applied via robotic systems.
Drone imaging, defect detection, and compliance documentation.
Crack mapping, water intrusion detection, and structural surface analysis.
High-resolution imagery and actionable maintenance insights.
Industries & Facilities We Serve
Drone systems allow us to service a wide range of structures with unmatched safety and efficiency.
Why Choose Green Stone
Every project is planned around the property, the operating environment and the required result.
No scaffolding, no lifts, no rope access.
Precision drones, autonomous washing systems, and sensor-based inspection tools.
Full compliance with Local Law 11 and exterior-maintenance standards.
Minimal disruption to building operations.
Digital logs, defect mapping, and maintenance recommendations.
Start a Project
Green Stone delivers safer, faster, and more precise results—powered by robotics.
Assessment and booking
Submit the location, requested service and available photographs. Green Stone will review the information and determine the appropriate next step—telephone consultation, virtual review or on-site assessment.
