The County Board of Supervisor's meeting; located at 4080 Lemon Street, 1st Floor, Riverside Ca 92502. RCOE Foundation Board meetings are held on the third Thursday every other month.The meetings begin at p.m. Meeting Locations ; Riverside County Administrative Center. Desert Permit Assistance Center ; Board Chambers, First Floor 4080 Lemon Street Riverside, CA 92501 The Board of Supervisors is the governing body of the County, certain special districts and the Housing Authority. Any questions regarding Board meeting dates and times should be directed to Samantha Samaniego, Clerk of the Board of Directors, at 951.565.5086. Committees.