N.Y. Real Property Tax Law Section 421-I
Exemption of capital improvements to multiple dwelling buildings within certain cities


1.

Multiple dwelling buildings, reconstructed, altered, converted back to an owner occupied single family dwelling or any owner occupied multiple dwelling located in any city having a population of more than ninety thousand inhabitants but less than one hundred thousand inhabitants, determined in accordance with the latest federal decennial census, that is reduced to at most two units by such reconstruction subsequent to the effective date of a local law pursuant to this section shall be exempt from taxation and special ad valorem levies to the extent provided hereinafter. After a public hearing, the governing board of such city may adopt a local law to grant the exemption authorized pursuant to this section. A copy of such local law shall be filed with the commissioner and the assessor of such city who prepares the assessment roll on which the taxes of such city are levied.

2.

(a) Such buildings within such city shall be exempt for a period of one year to the extent of one hundred percent of the increase in assessed value attributable to such reconstruction, alteration or improvement and for an additional period of seven years subject to the following:

(i)

The extent of such exemption shall be decreased by twelve and one-half percent of the “exemption base” each year during such additional period. The “exemption base” shall be the increase in assessed value as determined in the initial year of the term of the exemption, except as provided in subparagraph (ii) of this paragraph.

(ii)

In any year in which a change in level of assessment of fifteen percent or more is certified for a final assessment roll pursuant to the rules of the commissioner, the exemption base shall be multiplied by a fraction, the numerator of which shall be the total assessed value of the parcel on such final assessment roll (after accounting for any physical or quantity changes to the parcel since the immediately preceding assessment roll), and the denominator of which shall be the total assessed value of the parcel on the immediately preceding final assessment roll. The result shall be the new exemption base. The exemption shall thereupon be recomputed to take into account the new exemption base, notwithstanding the fact that the assessor receives certification of the change in level of assessment after the completion, verification and filing of the final assessment roll. In the event the assessor does not have custody of the roll when such certification is received, the assessor shall certify the recomputed exemption to the local officers having custody and control of the roll, and such local officers are hereby directed and authorized to enter the recomputed exemption certified by the assessor on the roll. The assessor shall give written notice of such recomputed exemption to the property owner, who may, if he or she believes that the exemption was recomputed incorrectly, apply for a correction in the manner provided by title three of article 5 (Assessment Procedure)article five of this chapter for the correction of clerical errors.

(iii)

Such exemption shall be limited to one hundred thousand dollars in increased market value, or such other sum less than one hundred thousand dollars, but not less than ten thousand dollars as may be provided by the local law or resolution, of the property attributable to such reconstruction, alteration or improvement and any increase in market value greater than such amount shall not be eligible for the exemption pursuant to this section. For the purposes of this section, the market value of the reconstruction, alteration or improvement shall be equal to the increased assessed value attributable to such reconstruction, alteration or improvement divided by the most recently established state equalization rate for such city. Where the state equalization rate or special equalization rate equals or exceeds ninety-five percent, the increase in assessed value attributable to such reconstruction, alteration or improvement shall be deemed to equal the market value of such reconstruction, alteration or improvement.

(b)

No such exemption shall be granted for reconstruction, alterations or improvements unless:

(i)

such reconstruction, alteration or converted improvement was commenced subsequent to the effective date of the local law adopted pursuant to subdivision one of this section by such city; and

(ii)

the value of such reconstruction, alteration or improvement exceeds five thousand dollars; and

(iii)

the greater portion, as so determined by square footage, of the building reconstructed, altered or improved is at least five years old.

(c)

For purposes of this section the terms reconstruction, alteration and improvement shall not include ordinary maintenance and repairs.

3.

Such exemption shall be granted only upon application by the owner of such building on a form prescribed by the commissioner. The application shall be filed with the assessor of such city on or before the appropriate taxable status date of such city.

4.

If satisfied that the applicant is entitled to an exemption pursuant to this section, the assessor shall approve the application and such building shall thereafter be exempt from taxation and special ad valorem levies as provided in this section commencing with the assessment roll prepared on the basis of the taxable status date referred to in subdivision three of this section. The assessed value of any exemption granted pursuant to this section shall be entered by the assessor on the assessment roll with the taxable property, with the amount of the exemption shown in a separate column.

5.

For the purposes of this section, an owner occupied multiple dwelling building shall mean any building or structure designed and occupied as the temporary or permanent residence or home of two or more families, including the owner of such building.

6.

In the event that a building granted an exemption pursuant to this section ceases to be used primarily for residential purposes or title thereto is transferred to other than the heirs or distributees of the owner, the exemption granted pursuant to this section shall cease.

7.

(a) The enactment of a local law in such city may:

(i)

reduce the percent of exemption otherwise allowed pursuant to this section;

(ii)

limit eligibility for the exemption to those forms of reconstruction, alterations or improvements as are prescribed in such local law or resolution;

(iii)

provide that the exemption shall be applicable only to those improvements which would otherwise result in an increase in the assessed valuation of the real property but which consist of an addition, remodeling or modernization to an existing owner occupied multiple residence structure to prevent physical deterioration of the structure or to comply with applicable building, sanitary, health and/or fire codes.

(b)

No such local law shall reduce or repeal an exemption granted pursuant to this section until the expiration of the period for which such exemption was granted. * NB There are 2 § 421-i’s

Source: Section 421-I — Exemption of capital improvements to multiple dwelling buildings within certain cities, https://www.­nysenate.­gov/legislation/laws/RPT/421-I (updated Sep. 22, 2014; accessed Jul. 13, 2024).

420‑A
Nonprofit organizations
420‑B
Nonprofit organizations
420‑C
Exemption from local real property taxation of certain low income housing accommodations in a city having a population of one million or ...
421‑A
Affordable New York Housing Program
421‑B
Exemption of certain private dwellings, multiple dwellings and improvements from local taxation
421‑C
Exemption of certain new multiple dwellings from local taxation
421‑D
Exemption of multiple dwellings financed by the New York state housing finance agency from local taxation
421‑E
Exemption of cooperative, condominium, homesteading and rental projects from local taxation
421‑F
Exemption of capital improvements to residential buildings and certain new construction
421‑FF
Exemption of capital improvements to residential buildings in cities with a population between twenty-seven thousand five hundred and twe...
421‑G
Exemption from local taxation of certain multiple dwellings
421‑H
Exemption of capital improvements to multiple dwelling buildings within certain cities
421‑H*2
Exemption of capital improvements to residential buildings
421‑I
Exemption of capital improvements to multiple dwelling buildings within certain cities
421‑I*2
Exemption of capital improvements to multiple dwelling buildings within certain cities
421‑J
Exemption of capital investment in multiple dwelling buildings within certain cities
421‑J*2
Exemption of capital improvements to multiple dwelling buildings within certain cities
421‑K
Exemption of certain multiple dwellings
421‑L
Exemption of capital improvements to residential buildings in certain towns
421‑M
Exemption of certain new or substantially rehabilitated multiple dwellings from local taxation
421‑N
Exemption of capital improvements to multiple dwelling buildings within certain cities
421‑O
Exemption of capital improvements to multiple dwelling buildings within certain cities
421‑O*2
Exemption of capital improvements to multiple dwelling buildings within certain cities
421‑P
Exemption of newly-constructed or converted rental multiple dwellings
421‑P*2
Exemption of capital improvements to residential new construction involving the creation of accessory dwelling units
422
Not-for-profit housing companies
423
Phase out of exemption for redevelopment company projects upon the cessation of the tax exemption granted pursuant to contract
424
Institute of arts and sciences
425
School tax relief (STAR) exemption
425‑A
Abatement of county taxes in special assessing units
426
Opera houses
427
Performing arts buildings
428
Fraternal organizations
429
Real property used for professional major league sports
430
Interdenominational centers
432
Theatrical corporations created by act of congress
434
Academies of music
436
Officers of religious denominations
438
Trustees of a hospital, playground and library
440
Infant homes
442
Soldiers monument corporations
444
Historical societies
444‑A
Historic property
446
Cemeteries
450
Agricultural societies
452
Veterans organizations
454
Indians
455
Exemption option
456
Municipal railroads
457
Exemption for first-time homebuyers of newly constructed homes
458
Veterans
458‑A
Veterans
458‑B
Exemption for Cold War veterans
458‑C
Improvements to property of severely injured members of the armed forces of the United States
459
Persons who are physically disabled
459‑A
Improvements to property made pursuant to the Americans with Disabilities Act of 1990
459‑B
Physically disabled crime victims
459‑C
Persons with disabilities and limited incomes
460
Clergy
462
Religious corporations
464
Incorporated associations of volunteer firefighters
466
Volunteer firefighters and fire companies in villages
466‑A
Volunteer firefighters and volunteer ambulance workers
466‑A*2
Volunteer firefighters and volunteer ambulance workers
466‑B
Volunteer firefighters and volunteer ambulance workers
466‑C
Volunteer firefighters and volunteer ambulance workers
466‑C*2
Volunteer firefighters and volunteer ambulance workers
466‑C*3
Volunteer firefighters and volunteer ambulance workers
466‑C*4
Volunteer firefighters and volunteer ambulance workers
466‑C*5
Volunteer firefighters and volunteer ambulance workers
466‑C*6
Volunteer firefighters and volunteer ambulance workers
466‑C*7
Volunteer firefighters and volunteer ambulance workers
466‑D
Volunteer firefighters and volunteer ambulance workers
466‑D*2
Volunteer firefighters and volunteer ambulance workers
466‑D*3
Volunteer firefighters and volunteer ambulance workers
466‑D*4
Volunteer firefighters and volunteer ambulance workers
466‑E
Volunteer firefighters and volunteer ambulance workers
466‑E*2
Volunteer firefighters and volunteer ambulance workers
466‑E*3
Volunteer firefighters and volunteer ambulance workers
466‑E*4
Volunteer firefighters and volunteer ambulance workers
466‑F
Volunteer firefighters and volunteer ambulance workers
466‑F*2
Volunteer firefighters and volunteer ambulance workers
466‑F*3
Volunteer firefighters and volunteer ambulance workers
466‑F*4
Volunteer firefighters and volunteer ambulance workers
466‑F*5
Un-remarried spouses of volunteer firefighters or volunteer ambulance workers killed in the line of duty
466‑G
Volunteer firefighters and volunteer ambulance workers
466‑G*2
Volunteer firefighters and volunteer ambulance workers
466‑H
Volunteer firefighters and volunteer ambulance workers
466‑H*2
Un-remarried spouses of deceased volunteer firefighters or volunteer ambulance workers
466‑I
Volunteer firefighters and volunteer ambulance workers
466‑J
Volunteer firefighters and volunteer ambulance workers
466‑K
Volunteer firefighters and volunteer ambulance workers
467
Persons sixty-five years of age or over
467‑A
Partial tax abatement for residential real property held in the cooperative or condominium form of ownership in a city having a populatio...
467‑B
Tax abatement for rent-controlled and rent regulated property occupied by senior citizens or persons with disabilities
467‑C
Exemption for property owned by certain housing companies or sublessees of the battery park city authority and occupied by senior citizen...
467‑D
Assessment exemption for certain living quarters constructed to be occupied by a senior citizen or disabled individual
467‑E
Rebate for owners or tenant-stockholders of one, two or three family residences or residential property held in the condominium or cooper...
467‑F
Protective and safety devices tax abatement
467‑G
Rebate for owners of certain real property seriously damaged by the severe storm that occurred on the twenty-ninth and thirtieth of Octob...
467‑H
Partial abatement for certain rebuilt real property seriously damaged by the severe storm that occurred on the twenty-ninth and thirtieth...
467‑I
Real property tax abatement
467‑J
Exemption for certain residential properties located in certain counties
467‑K
Senior citizen longtime resident exemption
467‑K*2
Exemption for certain residential property required to participate in the federal flood insurance program
467‑L
Rebate for owners of certain real property in the city of New York
467‑M
Exemption from local real property taxation of certain multiple dwellings in a city having a population of one million or more
468
Fire patrol and salvage corps
469
Assessment exemption for living quarters for parent or grandparent
470
Exemption for improvements to real property meeting certification standards for green buildings
472
Pharmaceutical societies
474
Dental societies
476‑A
Railroad passenger stations
477
Tax exemption for industrial waste treatment facilities
477‑A
Tax exemption for air pollution control facilities
478
Tax exemption for off-street parking facilities providing underground shelters
479
Fallout shelter facilities
480
Forest and reforested lands
480‑A
Taxation of forest land
481
Taxation of land used for agricultural production
482
Quarantined lands
483
Exemption from taxation of structures and buildings essential to the operation of agricultural and horticultural lands
483‑A
Farm silos, farm feed grain storage bins, commodity sheds, bulk milk tanks and coolers, and manure storage and handling facilities
483‑B
Historic barns
483‑C
Temporary greenhouses
483‑D
Farm or food processing labor camps or commissaries
483‑E
Anaerobic digestion facilities
484
Urban redevelopment corporations and companies
485
Nuclear powered electric generating facilities
485‑A
Residential-commercial urban exemption program
485‑B
Business investment exemption
485‑C
Exemption from taxation of real property used in manufacture of steel in cities of fifty thousand or more persons
485‑D
Water-works corporations
485‑E
Empire zone exemption
485‑F
Banking development districts
485‑G
Infrastructure exemption
485‑H
Residential investment exemption
485‑I
Residential investment exemption
485‑I*2
Residential investment exemption
485‑J
Residential property improvement exemption
485‑J*2
Residential investment exemption
485‑J*3
Residential investment exemption
485‑J*4
Residential investment exemption
485‑J*5
Residential investment exemption
485‑K
Residential investment exemption
485‑L
Residential property improvement
485‑L*2
Residential investment exemption
485‑M
Residential investment exemption
485‑N
Residential-commercial exemption program
485‑O
New residential property exemption
485‑P
Economic transformation area exemption
485‑Q
Residential investment exemption
485‑R
Residential redevelopment inhibited property exemption
485‑S
Residential reassessment exemption
485‑S*2
Residential reassessment exemption
485‑S*3
Mixed use exemption program for villages
485‑T
Owner occupied residential property exemption program
485‑U
Class one reassessment exemption
485‑V
Residential revaluation exemption
485‑V*2
Residential and mixed-use investment exemption
485‑W
Newly constructed single-family and multi-family residential exemption
485‑X
Affordable neighborhoods for New Yorkers tax incentive
486
Non-profit medical and dental indemnity, or hospital service corporations
486‑A
Non-profit corporations operating as health maintenance organizations
487
Exemption from taxation for certain energy systems
487‑A
Exemption from taxation of conservation improvements to certain residential premises
488
Retirement systems
488‑A
Rehabilitation of certain class B multiple dwellings and class A multiple dwellings used for single room occupancy
489
Exemption from taxation of alterations and improvements to multiple dwellings to eliminate fire and health hazards

Accessed:
Jul. 13, 2024

Last modified:
Sep. 22, 2014

§ 421-I’s source at nysenate​.gov

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