I want to know how to create a custom post type for house

Hello I want to know how to create a custom post type for house localization and choose the place of localization of the house in the publication and location will appear in the listing in google maps. like( http://themeforest.net/item/wp-pro-real-estate-2-wordpress-theme/full_screen_preview/133791?ref=alexandreb)

mostly I want the function or a tutorial in order to understand the integration of google maps in wordpress.
"My escuses for the mistakes of English I'm not speaking too"
thank you