FLEAS EVERYWHERE HELP!!!

we moved into our new house rental in february but about a week ago we got INFESTED with fleas i don’t know how or from where but it’s so bad they’re everywhere from bed to sofa to bathroom i don’t know what to do we’re waiting for our landlord to get an exterminator out here but DOES ANYONE HAVE ANY HOME REMEDIES ?? i don’t have carpet floors they’re wood what can i mop with ?? what should i wash with ??! my baby is 10months old and i dont even want him here at our house but we have nowhere to go