Two propositions that could affect property taxes will be on the ballot next month. Rising home prices raise a home's market value, which leads to a higher tax appraisal even if the homeowner has made no improvements. Prop 1 recalculates school tax rates for disabled and elderly homeowners. Prop 2 raises the homestead exemption for school taxes from 25-thousand-dollars to 40-thousand. Early voting started on Monday for the May 7th statewide election.