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534 KOSCIUSZKO STREET is a 2-unit building in Stuyvesant Heights, Brooklyn, built in 1931.
CurbScoop has 1 recorded sale on this tax lot, most recently $1.74M on Sep 17, 2026.
1 unit is on the market here right now.
City records show 2 DOB permits and 15 violation records on file.
FY2026–27 final assessment roll · Extract 2026-05-15
-1.7% change in DOF market value from the prior year.
DOF values are used for property taxation. Condo and co-op tax valuations can differ substantially from sale prices. This is a tax-purpose estimate; comparable sales remain a separate valuation source. Roll exemptions can include STAR under DOF’s published layout.
These values cover the whole tax lot and do not value individual co-op shares.
Official DOF final assessment roll (ZIP) ↗FY2026–27 · DOF statement 2026-08-15 · 534 KOSCIUSZKO ST.
DOF tax-purpose market value on this statement: $1,355,000.00.
This covers the whole tax lot. Co-op building taxes cannot be added to an apartment’s maintenance or divided among its units.
Read official DOF tax bill ↗How we calculate your annual taxes: Billable assessed value: $21,919.00 times the current tax rate: x 19.8430% Annual property tax: $4,349.40
HOA, common charges and maintenance require documented building or unit evidence. Sales and DOB records do not establish these amounts. A zero property-tax bill does not establish zero PILOT or other ownership charges. Bills may change with tax rates or benefits; monthly figures are annual equivalents.
Look up this tax lot at DOF ↗NY Attorney General offering plans and amendments can document budgets, financial statements, reserves and sponsor obligations. These records cover the development, including properties without active listings.
No exact offering-plan match has been collected here yet. Eligible condo and co-op properties are queued when viewed. Missing filings do not establish zero fees, assessments or debt.
Search the official NYAG offering-plan database ↗Tax-benefit schedules, statement balances, penalties and declared capital work cover the identified tax lot. Condo billing-lot evidence is shown separately from apartment evidence.
| Reported item | Value | Period & scope |
|---|---|---|
Outstanding chargesEvidenceOutstanding charges $4,247.33 Separate dated balance; do not add to annual costs Open official source ↗ | $4,247.33 | As of 2026-08-15 Source reported · exact tax lot |
New charges this billing periodEvidenceNew charges $1,087.35 Separate dated balance; do not add to annual costs Open official source ↗ | $1,087.35 | As of 2026-08-15 Source reported · exact tax lot |
Statement amount dueEvidenceAmount Due 10/01/26: $5,334.68 Separate dated balance; do not add to annual costs Due date: 2026-10-01 Open official source ↗ | $5,334.68 | As of 2026-08-15 Source reported · exact tax lot |
Department of Finance TotalEvidenceDepartment of Finance Total $1,087.35 May be in statement balance; do not add twice Open official source ↗ | $1,087.35 | As of 2026-08-15 Source reported · exact tax lot |
Source updated 2026-08-15 · collected 2026-10-11.
Open official source ↗| Reported item | Value | Period & scope |
|---|---|---|
Declared construction estimate · B01329193-I1-GC#1EvidenceFILING FOR INTERIOR RENOVATION OF EXIST 2 STORY & CELLAR TWO FAMILY DWELLING. NEW PARTITION WALLS, FINISH FLOORING, NEW INTERIOR DOORS, NEW TILES AND NEW PLUMBING FIXTURES AS PER PLANS. REMOVE ILLEGAL APT IN CELLAR. NO CHANGE IN USE, EGRESS OR OCCUPANCY. Estimate; not an apartment assessment Open official source ↗ | $250,000.00 | As of 2025-12-15 Declared estimate · exact tax lot |
Declared construction estimate · B01269044-S1-PL#1EvidencePLUMBING APPLICATION FOR A RENOVATION OF AN EXISTING (2) TWO FAMILY DWELLING. FILED IN CONJUNCTION WITH ALT APPLICATION # B01269044-I1. INSTALL NEW PLUMBING FIXTURES AS PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. Estimate; not an apartment assessment Open official source ↗ | $80,000.00 | As of 2025-09-29 Declared estimate · exact tax lot |
Up to 30 most recent distinct filings from the past five years; this is not a complete capital-work inventory.
Declared job estimates are not actual spending or approved assessments. Repeated permit rows for the same filing are counted once; separate job filings may still describe related work.
Source publication date not provided.
Open official source ↗Enter verified LL97 emissions and the applicable annual limit. LL84 location-based emissions above are a different reported metric and are not automatically used here.
Enter both assumptions to calculate exposure.
Before exemptions, adjustments, offsets or penalty mitigation. This scenario does not establish an issued fine or an apartment charge.
Official DOB penalty guidance ↗| Address | Neighborhood | Price | $/ft² | Sqft | Beds/Baths | vs comp | DOM | Risk | Score | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 534 KOSCIUSZKO STREET Brooklyn · built 1931 | Stuyvesant Heights | $1.75M | $747 | 2,340 ft² | 6 bd · 4 ba | +0.5% | 44 | 3 HPD-Crodent | 13.0 | Source |
Open a record to read the full agency text.
§ 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTIONS CELLAR THOUGHOUT
HPD record 7487526§ 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCY
HPD record 7487528§ 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTIONS CELALR THROUGHOUT
HPD record 7344061§ 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCY
HPD record 7344062§ 27-2073 ADM CODE - DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE // AT BASEMENT
HPD record 6367576§ 27-2070 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES NO GAS ENTIRE BUILDING [METER REMOVED IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY
HPD record 6367470§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY
HPD record 6367461§ 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF RODENTS RATS IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY
HPD record 6367462§ 27-2087 ADM CODE - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTIONS // IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT 2, 1st STORY
HPD record 6367554§ 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING AND WEST WALL IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 2, 2nd STORY
HPD record 6328291§ 27-2013 ADMIN. CODE: PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE WALLS AND CEILING IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 2, 2nd STORY
HPD record 6328314§ 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AT THE WEST WALL IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 2, 2nd STORY
HPD record 6328308§ 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF A CONCEALED WATER LEAK AT THE CEILING IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 2, 2nd STORY
HPD record 6328294FILING FOR INTERIOR RENOVATION OF EXIST 2 STORY & CELLAR TWO FAMILY DWELLING. NEW PARTITION WALLS, FINISH FLOORING, NEW INTERIOR DOORS, NEW TILES AND NEW PLUMBING FIXTURES AS PER PLANS. REMOVE ILLEGAL APT IN CELLAR. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
BROTHERS CONSTRUCTION GRO
Issued Dec 26, 2025
DOB filing B01329193-I1-GC#1PLUMBING APPLICATION FOR A RENOVATION OF AN EXISTING (2) TWO FAMILY DWELLING. FILED IN CONJUNCTION WITH ALT APPLICATION # B01269044-I1. INSTALL NEW PLUMBING FIXTURES AS PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M & M PIPING AND HEATING
Issued Oct 9, 2025
DOB filing B01269044-S1-PL#1Agency description not supplied.
DOB record 1659587Agency description not supplied.
DOB record 1451870Recorded consideration. A $0 deed is not a sale price.
| Recorded | Unit | Type | Amount |
|---|---|---|---|
| Oct 6, 2026 | - | DEED | $1.74M |
Research contract nyc_property_research.v1 · snapshot Oct 24, 2026
This identifier represents an NYC tax lot. Condo and co-op apartment identity must be resolved separately.
NYC Department of City Planning (PLUTO)
Pipeline completed Oct 18, 2026
The current PLUTO pipeline is configured for Manhattan and Brooklyn.
PLUTO describes the tax lot and buildings, not legal ownership of an individual apartment.
StreetEasy, observed by CurbScoop
Pipeline completed Aug 31, 2026
Retired source: collection stopped on 2026-08-31, so these are the last Manhattan and Brooklyn listings observed, not the current market.
Listing observations describe marketed state as of 2026-08-31 at the latest and are not proof of a closing or exhaustive market coverage.
NYC Department of Finance, Office of the City Register (ACRIS)
Pipeline completed Oct 23, 2026
Deed document types associated with this BBL in the current CurbScoop corpus.
Recording can lag a transaction, and a deed with no stated consideration is not evidence of a market sale.
NYC Department of Buildings via NYC Open Data
Pipeline completed Oct 24, 2026
The current DOB permit pipeline is configured for Manhattan and Brooklyn.
A filing or permit does not prove that work was completed or that all work at the property was filed.
NYC Department of Housing Preservation and Development via NYC Open Data
Pipeline completed Oct 24, 2026
The current HPD violation pipeline is configured for Manhattan and Brooklyn.
Status and correction timing come from the published agency record and may change after CurbScoop observes it.
NYC Department of Buildings via NYC Open Data
Pipeline completed Oct 24, 2026
The current DOB violation pipeline is configured for Manhattan and Brooklyn.
Absence from the current corpus is not proof that a building has no regulatory issue.
Counts and dates describe the current CurbScoop corpus. They are not a guarantee of exhaustive agency or listing coverage.
Deed amounts are recorded consideration, not asking prices or a unit valuation. A blank record is not proof that an issue does not exist.