1. General Plan Hayward 2004 Datasets University Of California Berkeley Public content 2010. City of Hayward. City of Hayward Official General Plan Land Use Map. (Last Updated 11/10/2004). Hayward (Calif.).
2. Neighborhoods Hayward 2009 Datasets University Of California Berkeley Public content 2010. City of Hayward. Neighborhood Plan polygon boundaries. Hayward (Calif.).