I have looked through all the past listings for the address you provide and not one of them gives the HOA information! They are supposed to list the dues and the contact info on the listings - but not everyone does what they are supposed to do!
My suggestion would be to call a local title company. Let me suggest:
Old Republic National Title Insurance Companyâ€Ž
17485 Monterey St # 101, Morgan Hill, CAâ€Ž
The development is called "Rose Haven".