Here are 2 Bible verses about house blessing from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Philippians 4:17 KJV
Not because I desire a gift: but I desire fruit that may abound to your account.
Mark 16:17 KJV
And these signs shall follow them that believe; In my name shall they cast out devils; they shall speak with new tongues;