J-51 Exemption and Abatement (Historical)

y7az-s7wcCity Government15 columns

This dataset provides J-51 benefit data earlier than tax year 2019 and is not updated. To view J-51 benefit data for newer tax years, visit the Property Exemption Detail dataset and the Property Abatement Detail dataset. J-51 is a property tax exemption and abatement for renovating a residential apartment building. The benefit varies depending on the building's location and the type of improvements. The NYC Department of Housing Preservation and Development (HPD) determines eligibility for this program. The NYC Department of Finance (DOF) administers the benefit.

View on NYC Open Data

Quality

C74.0 / 100

From a 500-row sample across 14 columns.

completeness88/ 25% weight

consistency50/ 20% weight

accuracy94/ 20% weight

timeliness28/ 15% weight

usability95/ 20% weight

Related datasets

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NYC Zoning Tax Lot Database0.32
BUILDING0.30
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2020 Neighborhood Tabulation Areas (NTAs)0.29
Property Exemption Detail0.29
joins onblocklot

Sample rows

b	block	lot	init_year	qtr	ex_years	ab_pct	tax_year	cost_of_alt	abate_grant	amt_remain	total_tax
1	7	23	1981	4	12	90	1981	707900	14747	622362	67125
1	7	23	1981

Columns

15 queryable · 15 profiled

The machine field names SoQL needs, with the publisher's own description of each.

Field	Type	Description	Null	Values
`b`	categorical	Borough where property is located. 1= Manhattan, 2 = Bronx, 3 = Brooklyn, 4 = Queens, 5 = Staten Island	0%	`213`of 5
`block`	integer	Block	0%	`394339443938`
`lot`	integer	Lot	0%	`167`
`e`	text	Easement	100%	—
`init_year`	integer	Initial year of the abatement; INIT_YEAR = 9999. If there were more than one abatements in a particular tax year this record is a total of the amounts for those years.

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