# 441 6th Avenue, Park Slope, Brooklyn, NY 11215

BBL 3010060001 · Block 1006 · Lot 1 · BIN 3022144  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/441-6th-avenue-3010060001  
Last updated: 2026-11-13 · Open-item counts as of 2026-11-10

Also recorded as: 431 6 Ave; 427 6 Ave; 4314 6 Ave; 350 8 St; 429 6 Ave

## Summary

441 6th Avenue (Brooklyn, NY 11215; tax lot BBL 3010060001) is a public assembly or cultural building (building class P8: place of public assembly or cultural facility (subtype P8)), built around 1906, on a 17,600 sq ft lot zoned R6B. City tax records list the owner as BROOKLYN PUBLIC LIBRARY. The Department of Finance's final market value for tax year 2027 is $3,155,000. As of November 10, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows two DOB jobs with a permit issued but no sign-off, nine active DOB violations (three BIS violations and six DOB NOW safety violations) and two OATH tickets with an unpaid balance. There were 22 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “441 6th Avenue, Brooklyn, NY 11215 (BBL 3010060001)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/441-6th-avenue-3010060001. Source: NYC Open Data.

## Neighborhood

Park Slope: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/unpaid-oath-tickets

## ZIP

Brooklyn 11215: https://nycpropertyfacts.com/ny/brooklyn/11215

## Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

- 424 6th Avenue (148 ft): https://nycpropertyfacts.com/ny/brooklyn/424-6th-avenue-3010050042
- 426 6th Avenue (154 ft): https://nycpropertyfacts.com/ny/brooklyn/426-6th-avenue-3010050044
- 417 6th Avenue (202 ft): https://nycpropertyfacts.com/ny/brooklyn/417-6th-avenue-3010000001
- 415 6th Avenue (260 ft): https://nycpropertyfacts.com/ny/brooklyn/415-6th-avenue-3010000006
- 414 6th Avenue (264 ft): https://nycpropertyfacts.com/ny/brooklyn/414-6th-avenue-3009990041
- 413a 6th Avenue (277 ft): https://nycpropertyfacts.com/ny/brooklyn/413a-6th-avenue-3010000007
- 356 8th Street (74 ft): https://nycpropertyfacts.com/ny/brooklyn/356-8th-street-3010060010
- 358 8th Street (90 ft): https://nycpropertyfacts.com/ny/brooklyn/358-8th-street-3010060011

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 2 |
| Active DOB violations (BIS) | 3 |
| Active DOB safety violations (DOB NOW) | 6 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 2 |
| Active vacate orders | 0 |

## Lot & building

- Owner of record: BROOKLYN PUBLIC LIBRARY
- Building class: P8 – Place of public assembly or cultural facility (subtype P8)
- Year built: 1906
- Floors: 2
- Units: 0 residential / 0 total
- Lot area: 17,600 sq ft · Building area: 7,852 sq ft
- Zoning: R6B
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-12

## Tax assessment

- Tax year 2027 (final roll): market value $3,155,000, assessed value $1,419,750, tax class 4
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

No records found.

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-12-17 | open (Permit Entire) | DOB NOW job filing B01335617-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd |
| 2008-06-23 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 310170141 (A1 – Major alteration (changes use, egress or occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. RENOVATION OF EXISTING LIBARARY. NEW PARITIONS, MECHANICAL AND PLUMBING SYSTEM TO BE ADDED. NEW C OF O TO BE OBTAINED. (CONSTRUCTION ONLY) | ic3t-wcy2 |
| 2025-12-17 | n/a (Permit Issued) | DOB NOW work permit for job B01335617-I1: Sidewalk Shed — PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED FOR REMEDIAL REPAIRS AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. LIVE LOAD 300…. Issued 2025-12-17, expires 2026-12-17. | rbx6-tga4 |
| 2018-09-17 | n/a (Signed-off) | DOB NOW work permit for job B00062020-I1: Sign — NON ILLUMINATED NON ADVERTISING DOUBLE FACED PROJECTING ACCESSORY BANNER SIGN - INSIDE PROPERTY LINES - PARK SLOPE BKLYN PUBLIC LIBRARY. NO CHANGE TO USE, EGRE…. Issued 2018-09-17, expires 2018-09-28. | rbx6-tga4 |
| 2018-09-17 | n/a (Signed-off) | DOB NOW work permit for job B00062005-I1: Sign — NON ILLUMINATED NON ADVERTISING DOUBLE FACED PROJECTING ACCESSORY BANNER SIGN - INSIDE PROPERTY LINES -PARK SLOPE BKLYN PUBLIC LIBRARY. NO CHANGE TO USE, EGRES…. Issued 2018-09-17, expires 2018-09-28. | rbx6-tga4 |
| 2018-09-17 | n/a (Signed-off) | DOB NOW work permit for job B00062020-I1: Sign — NON ILLUMINATED NON ADVERTISING DOUBLE FACED PROJECTING ACCESSORY BANNER SIGN - INSIDE PROPERTY LINES - PARK SLOPE BKLYN PUBLIC LIBRARY. NO CHANGE TO USE, EGRE…. Issued 2018-09-17, expires 2018-09-28. | rbx6-tga4 |
| 2018-09-17 | n/a (Signed-off) | DOB NOW work permit for job B00062005-I1: Sign — NON ILLUMINATED NON ADVERTISING DOUBLE FACED PROJECTING ACCESSORY BANNER SIGN - INSIDE PROPERTY LINES -PARK SLOPE BKLYN PUBLIC LIBRARY. NO CHANGE TO USE, EGRES…. Issued 2018-09-17, expires 2018-09-28. | rbx6-tga4 |
| 2018-09-17 | n/a (Signed-off) | DOB NOW work permit for job B00061997-I1: Sign — ILLUMINATED NON ADVERTISING ACCESSORY NYC LIBRARY IDENTIFICATION GROUND SIGN WITH DIGITAL DISPLAY - INSIDE PROPERTY LINES - PARK SLOPE LIBRARY. NO CHANGE TO US…. Issued 2018-09-17, expires 2018-09-28. | rbx6-tga4 |
| 2012-08-17 | n/a (ISSUED (initial)) | BIS work permit for job 320520094: Plumbing / Plumbing. Issued 2012-08-17, expires 2013-08-17. | ipu4-2q9a |
| 2012-08-08 | n/a (RE-ISSUED (initial)) | BIS work permit for job 320520094: Equipment work / Other / general construction. Issued 2012-08-08, expires 2013-07-01. | ipu4-2q9a |
| 2012-08-08 | n/a (ISSUED (initial)) | BIS work permit for job 320520094: Equipment work / Mechanical/HVAC. Issued 2012-08-08, expires 2013-07-01. | ipu4-2q9a |
| 2012-03-21 | n/a (ISSUED (initial)) | BIS work permit for job 320342081: Equipment work / Other / general construction. Issued 2012-03-21, expires 2013-02-14. | ipu4-2q9a |
| 2012-03-21 | n/a (ISSUED (renewal)) | BIS work permit for job 320147364: Equipment work / Other / general construction. Issued 2012-03-21, expires 2013-02-14. | ipu4-2q9a |
| 2012-03-21 | n/a (ISSUED (renewal)) | BIS work permit for job 320340886: Equipment work / Other / general construction. Issued 2012-03-21, expires 2013-02-14. | ipu4-2q9a |
| 2012-03-21 | n/a (ISSUED (renewal)) | BIS work permit for job 310170141: Alteration. Issued 2012-03-21, expires 2013-02-14. | ipu4-2q9a |
| 2011-08-03 | n/a (ISSUED (initial)) | BIS work permit for job 320340886: Equipment work / Other / general construction. Issued 2011-08-03, expires 2012-02-14. | ipu4-2q9a |
| 2010-12-07 | n/a (ISSUED (renewal)) | BIS work permit for job 310170141: Plumbing / Plumbing. Issued 2010-12-07, expires 2011-12-07. | ipu4-2q9a |
| 2010-04-09 | n/a (ISSUED (initial)) | BIS work permit for job 320147364: Equipment work / Other / general construction. Issued 2010-04-09, expires 2011-04-01. | ipu4-2q9a |
| 2010-04-01 | n/a (ISSUED (renewal)) | BIS work permit for job 310170141: Alteration. Issued 2010-04-01, expires 2011-04-01. | ipu4-2q9a |
| 2009-12-11 | n/a (ISSUED (initial)) | BIS work permit for job 310170141: Plumbing / Plumbing. Issued 2009-12-11, expires 2010-12-11. | ipu4-2q9a |

Showing 20 of 24. Full list: https://nycpropertyfacts.com/api/v1/property/3010060001/permits

## Open violations (DOB, DOB NOW safety, ECB, HPD)

status "open" = DOB violation category is ACTIVE, DOB NOW safety violation status is Active, ECB violation status is ACTIVE, or HPD violation status is Open. Dismissed, cured, waived and disputed-successfully safety violations are not open.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-12-08 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (IMEGNCY-IMMEDIATE EMERGENCY ANYTHINGOPTIONAL): EXPOSURE #1 REQUIRES 30 LF OF SIDEWALK SHED AT THE ENTRANCE, AND 30 LF OF SHED AT EXPOSURE #4 (9TH STREET) SIDE OF THE BUILDING TO SAFEGUARD PUBLIC AND PROPERTY. SHED IS TO BE PLACED AGAINST BUILDING. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2025-12-04 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (IMEGNCY-IMMEDIATE EMERGENCY ANYTHINGOPTIONAL): REQUESTING TO INSTALL PEDESTRIAN PROTECTION SIDEWALK SHED APPROXIMATELY 85 LINEAR FT AT EXPOSURE 1 (6TH AVENUE) TO WRAP AROUND TO EXPO 4 APPROXIMATELY 40 LINEAR FT ( 9 STREET), TO SAFEGUARD PUBLIC AND PROPERTY. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 1993-08-16 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2025-10-31 | open (Active) | DOB NOW safety violation (Gas Piping - LL152), type FTF-PL-PER, NOD-FTF-PL-PER-202212-0133385: Cycle 1, Sub-cycle C (premises is in Community District 6). Active. | 855j-jady |
| 2024-10-11 | open (Active) | DOB NOW safety violation (Elevators), type FTC-VT-PER-CO, VIO-FTC-VT-PER-202312-0015810: Violation Issued-Failure To File 2023 Periodic Inspection Affirmation of Correction. Active. | 855j-jady |
| 2023-11-14 | open (Active) | DOB NOW safety violation (Boiler), type FTC-BE-EXT-LP, VIO-FTC-BE-EXT-202012-0001385: Violation Issued-Failure To File 2020 External Inspection Affirmation of Correction for LP Device. Active. | 855j-jady |
| 2023-10-23 | open (Active) | DOB NOW safety violation (Elevators), type FTC-VT-CAT1-CO, VIO-FTC-VT-CAT1-202012-0000513: Violation Issued-Failure To File 2020 Cat1 Test Affirmation of Correction. Active. | 855j-jady |
| 2023-10-23 | open (Active) | DOB NOW safety violation (Elevators), type FTC-VT-CAT1-CO, VIO-FTC-VT-CAT1-202112-0000140: Violation Issued-Failure To File 2021 Cat1 Test Affirmation of Correction. Active. | 855j-jady |
| 2023-08-11 | open (Active) | DOB NOW safety violation (Elevators), type FTF-VT-CAT1-CO, VIO-FTF-VT-CAT1-202212-0003156: Violation Issued-Failure To File 2022 Cat1 Test Report. Active. | 855j-jady |

## DOB safety violations (DOB NOW)

Active means the published violation status is Active. Dismissed, cured, waived, disputed successfully and pending dismissal are not open items.

| Issued | Status | Type | Device | Number | Remarks |
|---|---|---|---|---|---|
| 2025-10-31 | open (Active) | FTF-PL-PER | Gas Piping - LL152 | NOD-FTF-PL-PER-202212-0133385 | Cycle 1, Sub-cycle C (premises is in Community District 6) |
| 2024-10-11 | open (Active) | FTC-VT-PER-CO | Elevators | VIO-FTC-VT-PER-202312-0015810 | Violation Issued-Failure To File 2023 Periodic Inspection Affirmation of Correction |
| 2023-11-14 | open (Active) | FTC-BE-EXT-LP | Boiler | VIO-FTC-BE-EXT-202012-0001385 | Violation Issued-Failure To File 2020 External Inspection Affirmation of Correction for LP Device |
| 2023-10-23 | open (Active) | FTC-VT-CAT1-CO | Elevators | VIO-FTC-VT-CAT1-202012-0000513 | Violation Issued-Failure To File 2020 Cat1 Test Affirmation of Correction |
| 2023-10-23 | open (Active) | FTC-VT-CAT1-CO | Elevators | VIO-FTC-VT-CAT1-202112-0000140 | Violation Issued-Failure To File 2021 Cat1 Test Affirmation of Correction |
| 2023-08-11 | open (Active) | FTF-VT-CAT1-CO | Elevators | VIO-FTF-VT-CAT1-202212-0003156 | Violation Issued-Failure To File 2022 Cat1 Test Report |

0 resolved or not active. Full list: https://nycpropertyfacts.com/api/v1/property/3010060001/violations?type=dob_safety_violation

Source: DOB Safety Violations (DOB NOW) (https://data.cityofnewyork.us/Building/DOB-Safety-Violations/855j-jady), city dataset updated 2026-11-11; last loaded 2026-11-11

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-05-14 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB. Unpaid balance $2,200. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-04-06 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE OVER 1MIN WHILE ADJACENT TO SCHOOL 2ND. Unpaid balance $1,650. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-10-21 | pending (NEW ISSUANCE) | OATH ticket from Fire Department Of Nyc: FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS. Hearing pending. | jz4z-kudi |

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-11-06 | open (In Progress) | 311 request to DEP: Noise – Alarm. | erm2-nwe9 |
| 2026-09-24 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-09-22 | closed (Closed) | 311 request to DSNY: Abandoned Bike – Chained to Public Property. | erm2-nwe9 |
| 2026-09-19 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-09-14 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-08-24 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-08-19 | closed (Closed) | 311 request to DSNY: Abandoned Bike – Chained to Public Property. | erm2-nwe9 |
| 2026-08-16 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-08-12 | closed (Closed) | 311 request to DSNY: Abandoned Bike – Chained to Public Property. | erm2-nwe9 |
| 2026-06-24 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-05-09 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-03-18 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-02-17 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 |
| 2026-02-02 | closed (Closed) | 311 request to DOB: Boilers – Boiler - Defective/Inoperative/No Permit. | erm2-nwe9 |
| 2025-12-29 | closed (Closed) | 311 request to DSNY: Snow or Ice – Sidewalk. | erm2-nwe9 |

Showing 15 of 22. Full list: https://nycpropertyfacts.com/api/v1/property/3010060001/complaints

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as BROOKLYN PUBLIC LIBRARY. | 64uk-42ks |

---

Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3010060001