Mail petitions to the Rent Review Office, City of Hayward, 777 "B" St., 2nd Floor, Hayward, CA. 94541-5007. (Civil Code Sections 798.55, 798.56) Homeowners must pay rent, utility charges, and reasonable incidental service charges in a timely manner.Housing services have been reduced. (Please attach a completed Mobilehome Park. The mobile home residency law (mrl) is the 'landlord-tenant law' for mobilehome parks, found in The. California Civil Code. (3) form HCD 480.3 (Rev. Email or fax this to the state prior to send in the rest of the documents.