If you've read the description of a site and still have some unanswered questions or have a special request for a Host, you can get in touch with them directly!
For the website, on a site page, just below the site map, there is a button that says ‘Contact Host’. Clicking there will allow you to draft a message directly to your Host.
On the app:
To contact a Host through the app, simply click on the listing you're interested in and scroll down until you see "Have a question?"
You'll be taken to a screen where you can type out a message and send it directly to the Host.