521 16th Street
521 16th Street in Windsor Terrace, Brooklyn, has 40 open HPD violations, 3 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (50/100).
Multi-family walk-up · 6 units · Built 1900
StreetSpy grade: D (Poor, 50/100)
- 3 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
- 3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- No housing complaints to 311 in the last 12 months.
- No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: High (40 open, 3 class C), records as of Oct 26, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
- Safety: High (5 open DOB violations), records as of Oct 26, 2026
- Registration: Expired Sep 1, 2023, records as of Oct 3, 2026
Housing code violations (HPD)
40 open violations: 3 class C (immediately hazardous), 10 class B, 24 class A, 3 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 44 on record. Oldest open violation issued 2005-06-28. Newest violation issued 2026-05-01.
HPD recorded no violation closed here in the last 12 months.
3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.
- Class C: No heat / heating defect. D26-17.03B ADM CODE DEVICE PRESENT ON CENTRAL HEATING SYSTEM WHICH IS CAPABLE OF CAUSING AN OTHERWISE OPERABLE SYSTEM TO BECOME INOPERABLE EAST FIRE PASSAGEWAY NIGHT INSPECTION., issued 2008-06-04. HPD violation 1001605
- Class C: No heat / heating defect (hallway). D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR., issued 2008-06-04. HPD violation 1001598
- Class C: No heat / heating defect (basement). D26-17.10 ADM CODE PROVIDE READY ACCESS TO BUILDING'S HEATING SYSTEM CELLAR DOOR LOCKED., issued 2008-06-04. HPD violation 1001599
- Class B: Floor or stair defect (stairs). D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS INTERMEDIATE LANDING 4 STY STAIRS TO BULKHEAD., issued 2008-06-04. HPD violation 1001606
- Class B: Roof defect. D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS 3 STY PUB HALL TO BULKHEAD., issued 2008-06-04. HPD violation 1001582
- Class B: No heat / heating defect (basement). D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF CLOTHESLINE BOILER ROOM CELLAR., issued 2008-06-04. HPD violation 1001584
- Class B: Lighting defect (exterior). D26-19.07 ADM CODE INSTALL AND MAINTAIN SUFFICIENT LIGHT OR LIGHTS OF AT LEAST 40 WATTS INCANDESCENT OR EQUIVALENT EACH, TO LIGHT ADEQUATELY FROM SUNSET TO SUNRISE THE EAST YARD NIGHT INSPECTION., issued 2008-06-04. HPD violation 1001604
- Class B: Lighting defect. D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION ALL STYS PUB HALL., issued 2008-06-04. HPD violation 1001581
311 housing complaints
0 in the last 12 months, 0 in 5 years.
Bedbugs
No bedbug filing on record for the last 3 years. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.
- 2026: No bedbug filing on record for this year
- 2025: No bedbug filing on record for this year
- 2024: No bedbug filing on record for this year
- 2023: No bedbug filing on record for this year
- 2022: No bedbug filing on record for this year
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
5 open DOB violations, 4 of them Local Law violations issued before 2000. 5 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: MARY M DANNER. Managing agent: MARY M DANNER. See the full portfolio.
Last HPD registration Dec 5, 2022. HPD registration expired Sep 1, 2023 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.
Tax lot and city IDs
BBL 3011060044, HPD building ID 141702. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 15 St-Prospect Park (F, G), 2 min walk
- 7 Av (F, G), 9 min walk
- Fort Hamilton Pkwy (F, G), 13 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 40 open (3 class C, 10 class B, 24 class A, 3 class I). 3 rent-impairing | −45 |
| 311 housing complaints (12 mo) | None | 0 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 5 open DOB violations, 4 of them Local Law violations issued before 2000 | −5 |
Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.