For a $1,000 "premium processing" fee,
the USCIS.Gov (United States Citizenship and Immigration Services)
processes certain portions of permanent resident (a.k.a. green card) applications
in 15-calendar days.
Otherwise, standard processing usually takes between 1 month & 6 months or more;
depending on which: application forms, USCIS field office, and (California, Nebraska, Texas, Vermont) service center?