Updated
There are currently 2 4+ bedroom private landlord house rentals on HotPads in 91754.
Set the bedroom filter to 4+, then open the "All filters" tab and select "House" under "Property type" and "For rent by owner" under "Additional options". Select "Save search" to get an alert when a new match comes on the market in 91754.
FRBO is an acronym for "For Rent by Owner." This means that the private landlord acts as the property manager and is the individual that a renter would work with directly for renting their house.