To authorize someone for house construction, here is a sample authorization letter for house construction.
Subject: Authorization Letter for House Construction
To Whomsoever It May Concern
I, (Your Name), authorize (Authorized Name) to act and construct a house on my property on my behalf. I give him/her my consent for the construction. I certify that I am the legal owner of the property for which the house construction is concerned.
Thank you for your time and consideration.
(Notarized Signature of Owner)