Sims 4, is there a way to add a pet after you've made a household?

@malachi2223 yes you can either adopt a pet from the computer or use cheats 

Pc pres crtl shift c and enter testingcheats true then enter cas.fulleditmode then shift click on your sim then press modify in cas 

Ps4\xbox hold all four shoulder buttons enter testingcheats true enter cas.fulleit mode then press L1 X on your sim select modify in cas but be warned entering cheats on console will disable achievements.