your house; your home; your family
Polite way to refer to the listener's residence or household. Used in respectful speech.
お宅はどちらですか。
Where is your house?
Is your family doing well?
your husband
Polite way to refer to the listener's husband. Used mainly by women in respectful conversation.
When will your husband come home?
your organization; your company
Polite way to refer to the listener's company, institution, or group. Common in business settings.
Where is your company located?
Polite second-person pronoun used for someone of equal status with whom one is not especially close. Slightly distant but respectful.
What do you think about this matter?
Excuse me, but where do you live?
Would it be all right if I visited your home tomorrow?
How many people are there in your family?
会社 is the neutral word for a company, while お宅 is an honorific term used to refer politely to the listener's company or organization.
自宅 refers neutrally to one's own home, while お宅 is the honorific term used to refer to someone else's home.
お宅 politely refers to someone else's home, while plain 宅 is the neutral or self-referential form.