Millionaires’ RowPropertyNYC DOF 2027 supplemental roll

1737 EAST 21 STREET, APT 2A

Brooklyn · 11229 · BROOKLYN · BBL 3-06784-1104

On the supplemental roll · does not match the published surcharge criteria

Full market value
$225,654
DOF estimate · tax year 2027 · roll TC2

In this building

Same building32 units, each valued separately

AptFull market value
7A$360,002
8A$344,350
1B$279,567
2B$257,393
3B$257,393
4B$256,958
4A$251,306
1C$243,914
5B$227,827
6B$227,827
3A$225,654
5A$222,176
6A$222,176
2C$218,697
3C$218,697
1A$170,870
P1$20,000
P2$20,000
P3$20,000
P4$20,000
P5$20,000
P6$20,000
P7$20,000
P8$20,000
P9$20,000
P10$20,000
S1$3,068
S2$2,630
S3$2,191
S4$2,191
1737 EAST 21 STREET

Unit values are assessed individually; the building figure is their aggregate.

Classification

Tax class2
Tax class meaningClass 2 — rentals, co-ops & condos
Building classR4
Building typeCondo — residential unit, elevator building

Parcel identifiers

PARID3067841104
BBL3-06784-1104
BBL (numeric)3067841104
Borough code3 · Brooklyn
Block6784
Lot1104
Apartment2A
Co-op number
Condo number303845
House number1737
StreetEAST 21 STREET
ZIP code11229
Source rollTC2 · 2027
Supplemental rollListed

Owner of record

KOPKO, OLGA3 properties

3 properties2 on supplemental roll

Normalized nameKOPKO, OLGA
Combined full market value$429,574

Other properties held by KOPKO, OLGA 2

AddressBoroughClassFull market value
2113 KINGS HIGHWAY, APT 6BBrooklynR4 · Condo — residential unit, elevator building$183,920
1737 EAST 21 STREET, APT P10BrooklynRG · Condo — indoor parking$20,000

Location

40.61057, -73.95182

About this data. Source: the New York City Department of Finance 2027 supplemental property roll — a public record listing properties that may fall within the scope of the non-primary-residence (“pied-à-terre”) surcharge — shown against the full FY27 assessment roll of every parcel in the city. Owner names and addresses are reproduced as published by DOF.

Parcels drawn in grey are on the city assessment roll but not on the supplemental roll; white parcels are on the supplemental roll. Grey is context, not a judgement — a great deal of the city (airports, parks, offices, most commercial property) was never in scope for this surcharge in the first place.

Parcels marked in red match the criteria DOF published for the surcharge — broadly, class 1 houses over $5M and condo or co-op units at $1M and above. DOF describes the roll as including but not limited to properties that may be subject, and a property used as the owner’s primary residence is generally exempt, so a red mark means may be subject, never that tax is owed.

Dollar figures are DOF full market value (FMV) estimates used for assessment purposes. They are not sale prices, appraisals, or listing prices. Appearing on this roll does not mean the tax applies to a property — eligibility depends on residency and other facts that are not in this dataset. Records may contain errors carried over from the source roll.