Elverta is an unincoporated community and it is part of the Sacramento metropolitan area ; the metropolitan area including Sacramento ( State capital and County seat of California ) , also Arden-Arcade and Roseville . Elverta is an unincorporated community in Sacramento County , California . It is part of the Sacramento metropolitan area ; the metropolitan area including Sacramento ( the state capital and county seat ) , as well as Arden-Arcade and Roseville .