you can just ask when the building was built. any building built before 1978 in LA and 1979 in SF (iirc) is rent-controlled. you can also look up the build date

you can just ask when the building was built. any building built before 1978 in LA and 1979 in SF (iirc) is rent-controlled. you can also look up the build date via parcel maps on the county assessor's website (e.g., https://portal.assessor.lacounty.gov/ https://portal.assessor.lacounty.gov/ ).