LaÎntreținere.ro is an easy-to-use application for managing apartment buildings, common spaces, and maintenance expenses. How It Works For Administrators: Register and verify your account to get started. Once validated, you can set up buildings, manage apartments, track occupancy history, and invite residents via email. For Residents: Accept your email invitation to activate your account. From there, you can view your expenses, switch between multiple properties, message the administration, and pay your bills online.