As per your question it is not clear whether your maid's door in the South or you want to say that your main door is in the South.

Please specify your question clearly and send it to us for to get proper answer from our experts. However we have tried to say a little on your question.

According to Vaastu you should fix “GANESH IDOL” in the upper middle of main door and make “SWASTIK “sign on both sides of the door. Green plants should be arranged in the front or near the main door/gate.