Simply replace the unfilled areas such as "[]" and "[date]" with your information.
Dear [name],
It is our pleasure to welcome you as the new tenants of [apartment name].
We hope that you will avail yourselves of the amenities that we offer including [names of amenities].
We request that your guests use our guest parking area in order to avoid any inconvenience to the other tenants.
Thank you for selecting the [name of apartment] and we sincerely hope that you find your new home comfortable and enjoyable. If we can be of any assistance to you, please let us know.
Sincerely,
[name]