Versions of N.Y. Real Property Tax Law 421-FF - Exemption of capital improvements to residential buildings in cities with a population between twenty-seven thousand five hundred and twe... on LawServer 2024 N.Y. Real Property Tax Law 421-FF – Exemption of capital improvements to residential buildings in cities with a population between twenty-seven thousand five hundred and twe… 2023 N.Y. Real Property Tax Law 421-FF – Exemption of capital improvements to residential buildings in cities with a population between twenty-seven thousand five hundred and twenty-eight thousand based upon the two thousand ten federal census 2022 N.Y. Real Property Tax Law 421-FF – Exemption of Capital Improvements to Residential Buildings in Cities With a Population Between Twenty-Seven Thousand Five Hundred and Twenty-Eight Thousand Based Upon the Two Thousand Ten Federal Census 2020 N.Y. Real Property Tax Law 421-FF – Exemption of Capital Improvements to Residential Buildings in Cities With a Population Between Twenty-Seven Thousand Five Hundred and Twenty-Eight Thousand Based Upon the Two Thousand Ten Federal Census 2017 N.Y. Real Property Tax Law 421-FF – Exemption of Capital Improvements to Residential Buildings in Cities With a Population Between Twenty-Seven Thousand Five Hundred and Twenty-Eight Thousand Based Upon the Two Thousand Ten Federal Census 2016 N.Y. Real Property Tax Law 421-FF – Exemption of Capital Improvements to Residential Buildings in Cities With a Population Between Twenty-seven Thousand Five Hundred and Twenty-eight Thousand Based Upon the Two Thousand Ten Federal Census 2015 N.Y. Real Property Tax Law 421-FF – Exemption of Capital Improvements to Residential Buildings in Cities With a Population Between Twenty-Seven Thousand Five Hundred and Twenty-Eight Thousand Based Upon the Two Thousand Ten Federal Census 2014 N.Y. Real Property Tax Law 421-FF – – Exemption of Capital Improvements to Residential Buildings in Cities With a Population Between Twenty-Seven Thousand Five Hundred and Twenty-Eight Thousand Based Upon the Two Thousand Ten Federal Census 2013 N.Y. Real Property Tax Law 421-FF – Exemption of capital improvements to residential buildings in cities with a population between twenty-seven thousand five hundred and twenty-eight thousand based upon the two thousand ten federal census