Conn. Gen. Stat. § 32-71
(a) Any municipality which has designated any area as an enterprise zone pursuant to section 32-70 shall provide, by ordinance, for the fixing of assessments on all real property in such zone which is improved during the period when such area is designated as an enterprise zone. Such fixed assessment shall be for a period of seven years from the time of such improvement and shall defer any increase in assessment attributable to such improvements according to the following schedule:
| Percentage of Increase | |
| Year | Deferred |
| First | 100 |
| Second | 100 |
| Third | 50 |
| Fourth | 40 |
| Fifth | 30 |
| Sixth | 20 |
| Seventh | 10 |
Notwithstanding the provisions of this subsection, a municipality may negotiate the fixing of assessments on the portion of improvements, by a taxpayer, which exceed a value of eighty million dollars to real property which is to be used for commercial or retail purposes. Notwithstanding the provisions of chapter 203, no such improvements shall be subject to property taxation while such improvements are being constructed.
(b) Any fixed assessment on any residential property shall cease if:
(P.A. 81-445, S. 3, 11; P.A. 82-435, S. 2, 8; P.A. 83-558, S. 1, 2; P.A. 94-241, S. 3, 4; P.A. 00-194, S. 1, 3; P.A. 09-93, S. 1; 09-234, S. 3.)
History: P.A. 81-445 effective July 1, 1982; P.A. 82-435 provided scale of fixed assessments, inserted Subsecs. (c) and (d) concerning computation of and eligibility for such fixed assessments and inserted Subsec. (e) allowing for additional tax abatements or deferrals by municipalities; P.A. 83-558 amended Subsec. (e) to remove the word “real” and thereby allow for municipal tax abatement on any property; P.A. 94-241 added provision in Subsec. (a) authorizing municipalities to negotiate fixing of assessments on portion of improvements, effective July 1, 1994; P.A. 00-194 amended Subsec. (a) to provide that improvements are not subject to property taxation while under construction, effective June 1, 2000; P.A. 09-93, effective June 2, 2009, and P.A. 09-234, effective July 9, 2009, both amended Subsec. (b) to change threshold from the median family income of the municipality to the median income for the municipality's area as determined by the United States Department of Housing and Urban Development.