t t afmt2jl98 your property tax bill is based on the following formula assessment x tax rate tax the higher your assessment the more tax you pay up to 50 per cent of property owners in york region may face an increase in taxes this year because the province of ontario has changed the assessment process under current value assessment your property was valued as of june 30 1996 the province plans to update your assessment regularly municipalities must collect property tax but assessment of your property is carried out solely by the province a municipality cannot appeal an assessment on your behalf only you can do so heres what you can do about it before r1ay 29 if you want to adjust your assessment you have until may 29 to affect this years tax bill contact your regional assessment office province of ontario at 18002633224 have your assessment notice information about your property and your questions ready before you call after may 29 1998 after may 29 your assessment can only be appealed through a formal process that could take up to 24 months ontarios rising star markham vaughan richmond hill newmarket aurora georgina ylhilchurchstouffville east gwillimbury king the region of york and its nine municipalities have provided this notice for your informatioh bill fisch chair york region w donald cousens chair finance and administration tfj jl