Replying to Trip to Breck?

As an East Coaster, I'm looking for some advice on a late May trip to Breckenridge next month. Kinda randomly got access to a dope house with a pool/hot tub/huge yard (free from friend of a friend) we're thinking about taking a trip out around the 20th. Would we even be able to ski this late in the year? Breck's website says they're open till Memorial day but that seems pretty late to me.

I've never skied anything other than shitty East Coast mountains so any advice on conditions/gear to bring/things to do/other activities would be very helpful. (We're going even if we cant ski) also HMU if you live in that area I'm sure we'll be getting up to some shenanigans