40-100-Unit Insurance Cost Estimates?

[Marc C.]

In negotiations on a 60-unit. Budgeting $15,000 for insurance; I've been budgeting $250/unit/year when I do pro-formas on buildings of this size. However, I wonder how that compares to actuals that some of you owners are experiencing. Is $250/unit enough? 

Yeah, I know I could call an insurance agent and have him or her get quotes, but I don't own the property yet and don't really want to be a bother at this point.