Diagnose leak between two bathrooms on split level home. Full access to pipes underneath with drop ceiling. Found hole in subfloor between master shower and hallway bathroom. Ran all fixtures in all bathrooms. Advised customer and tenant to caulk around all trim plates. Found water leaking behind trim plate in master shower, but not main issue. Potentially leak coming from roof in ventilation line. Definite signs of rodents in vicinity as well. Advised property management to contact reliable restoration for damage mitigation. Left estimate for kitchen faucet replacement.