Connecticut General Statutes Title 8. Zoning, Planning, Housing and Economic and Community Development § 8-26a. Effect of change in subdivision or zoning regulations or boundaries of districts after approval of plan

(2)(A) Any construction on a vacant lot shown on a subdivision or resubdivision plan approved before, on or after June 1, 2004, shall not be required to conform to a change in the zoning regulations or boundaries of zoning districts in a town, city or borough adopted after the approval of the subdivision or resubdivision. Notwithstanding subdivision (1) of this subsection, any construction on an improved lot shown on a subdivision or resubdivision plan approved before, on or after June 1, 2004, shall be required to conform to a zoning change adopted subsequent to said lot becoming an improved lot.

(B) Notwithstanding the provisions of subsection (a) of section 8-25 and subsection (a) of section 8-26, any vacant lot that is depicted on a subdivision or resubdivision plan that has been recorded on or before October 1, 2024, in the land records of the municipality in which such vacant lot is located, if the recorded chain of title for such vacant lot references such subdivision or resubdivision plan, shall not be required to conform to a change in the zoning regulations or the boundaries of zoning districts in such municipality that is adopted after the approval or recording of the subdivision or resubdivision plan.

(C) Notwithstanding the provisions of subsection (a) of section 8-25 and subsection (a) of section 8-26, any vacant lot that is depicted on a subdivision or resubdivision plan that, prior to the adoption of zoning regulations, has been recorded on or before October 1, 2024, in the land records of the municipality in which such vacant lot is located, shall not be required to conform to a change in the zoning regulations or the boundaries of zoning districts in such municipality that is adopted after the approval or recording of the subdivision or resubdivision plan if such vacant lot conformed at any time with any zoning regulations that would have applied to such vacant lot if such vacant lot was depicted on a subdivision or resubdivision plan recorded after the adoption of zoning regulations.

(D) For purposes of this subsection, (i) a lot shall be deemed vacant until the date a building permit is issued with respect thereto and a foundation has been completed in accordance with such building permit but shall not be deemed vacant if any structures on such lot are subsequently demolished, and (ii) a lot shall be deemed improved after the date a building permit is issued with respect thereto and a foundation has been completed in accordance with such building permit.