Fetching details from the dictionary...

landlord; landlady
「大家」 has other readings with different meanings.
大家さんに家賃を払ったところだ。
I just paid rent to the landlord.
大家に修理を頼んだら直してくれた。
I asked the landlord to fix it and they did.
大家との関係は良好に保ちたいな。
I want to keep a good relationship with the landlord.