About Us

Mariana Jacobo

Mariana currently practices general civil litigation and primarily represents condominium and homeowners’ associations

Attorney

Mariana Jacobo

Mariana Jacobo joined Keay & Costello, P.C. as an associate in May 2021. She currently practices general civil litigation and primarily represents condominium and homeowners’ associations.  Mariana earned her Psychology and Sociology degree from Augustana College in 2015. Mariana attended John Marshall Law School and earned her Juris Doctor in 2019.  Mariana is licensed in the State of Illinois and a member of the Illinois State Bar Association.