This article will help you to create a new Google API key for your Home Valuation Feature
Once you sign in to your Google Developers console, click the "Create Project" button.
Enter anything you'd like for the Project name and Project ID
After the project is created (it'll take a few seconds) click the APIs link under APIs & Auth
Click the link for YouTube Data API
Click Credentials under APIs & Auth
Under Public API Access, click the button for Create new Key
Click the Create button. You can leave the text area empty.
Copy your new API key and Paste it in place in the Home Valuation plugin
activate the Goole Places API Web Service using the following screenshots: