Cultivation Construction, Expansion, & Retrofits

Scale smarter with expert facility expansions and retrofits.

Building a cultivation facility isn’t just about drawings and permits. It’s about keeping chaos in check from day one. We manage construction, expansions, and retrofits for cannabis facilities that need to run right the first time. From the first stake in the ground to the final commissioning test, we make sure every trade, vendor, and system stays aligned. Cultivation projects can get messy fast. Our job is to bring order to the moving parts, coordinate vendors, catch issues early, and keep timelines and budgets intact. With years of cannabis and CEA experience, we make sure your facility gets built exactly the way it was designed to perform.

End-to-End Project Management

From new builds to complex retrofits, OSH acts as the central point of communication across every stakeholder. We coordinate contractors, vendors, and engineers to keep projects aligned, on time, and within budget.

  • General contractor and vendor coordination
  • Scheduling and progress tracking
  • Site audits and quality assurance
  • Budget control and reporting

Cannabis Facility Retrofits & Expansions

Upgrading or expanding an active cultivation facility is one of the toughest challenges in the industry. Your director of cultivation already has a full-time job running the operation: managing a complex construction or retrofit on top of that stretches resources thin and increases risk. OSH steps in to manage the process strategically, minimizing downtime, maintaining environmental stability, and preventing disruptions to production.

  • Facility expansion planning and execution
  • Equipment integration and system upgrades
  • HVAC and controls modernization
  • Irrigation and lighting system replacements

Commissioning & Closeout

We stay on-site through commissioning so every system functions exactly as designed. Our detailed handover process includes staff walkthroughs, vendor documentation, and post-launch monitoring to keep your team fully equipped for a seamless transition into daily operations.

  • Equipment testing and verification
  • System calibration and performance validation
  • Staff onboarding and operational training
  • Post-launch performance evaluation

Expand Your Cannabis Facility with OSH

Scaling a cultivation facility takes more than new equipment; it takes integration, oversight, and follow-through. OSH partners with licensed operators to plan and execute expansions and retrofits that work the way they’re supposed to.