By Richard Nielsen, Craig Becker and Robert Herr (February 20, 2018, 10:13 PM EST) -- There will be two commercial rent tax measures competing for votes on San Francisco's June 2018 ballot. The Housing for All measure would impose a new 1.7 percent tax on commercial rents in San Francisco, effective Jan. 1, 2019. The Universal Childcare for San Francisco Families measure would impose a new 3.5 percent tax on commercial rents — 1 percent on rents from warehouses — in San Francisco, also operative Jan. 1, 2019. Both measures specify that only one measure can be adopted, and that if both measures secure sufficient votes for passage, the measure with the most votes will prevail. If either of these measures were to be adopted, the tax imposed would be in addition to San Francisco's existing 0.3 percent gross receipts tax on rentals....