# 438 6th Avenue, Park Slope, Brooklyn, NY 11215

BBL 3010110044 · Block 1011 · Lot 44 · BIN 3022299  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/438-6th-avenue-3010110044  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-09

## Summary

438 6th Avenue (Brooklyn, NY 11215; tax lot BBL 3010110044) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1901, on a 1,080 sq ft lot zoned R6B. City tax records list the owner as 438 6TH AVENUE LLC; per ACRIS, a deed to this owner dated November 5, 2019 lists a price of $2,200,000. The Department of Finance's final market value for tax year 2027 is $2,780,000. As of November 9, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off, 10 open HPD violations and one OATH ticket with an unpaid balance. There was one 311 request in the past 12 months and two 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, “438 6th Avenue, Brooklyn, NY 11215 (BBL 3010110044)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/438-6th-avenue-3010110044. 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.

- 440 6th Avenue (26 ft): https://nycpropertyfacts.com/ny/brooklyn/440-6th-avenue-3010110045
- 442 6th Avenue (43 ft): https://nycpropertyfacts.com/ny/brooklyn/442-6th-avenue-3010110046
- 444 6th Avenue (62 ft): https://nycpropertyfacts.com/ny/brooklyn/444-6th-avenue-3010110047
- 446 6th Avenue (82 ft): https://nycpropertyfacts.com/ny/brooklyn/446-6th-avenue-3010110048
- 448 6th Avenue (100 ft): https://nycpropertyfacts.com/ny/brooklyn/448-6th-avenue-3010110049
- 451 6th Avenue (148 ft): https://nycpropertyfacts.com/ny/brooklyn/451-6th-avenue-3010120005
- 370 9th Street (39 ft): https://nycpropertyfacts.com/ny/brooklyn/370-9th-street-3010110041
- 368 9th Street (49 ft): https://nycpropertyfacts.com/ny/brooklyn/368-9th-street-3010110040

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 2 |
| Active DOB violations (BIS) | 0 |
| Active DOB safety violations (DOB NOW) | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 10 |
| OATH tickets with unpaid balance | 1 |

## Lot & building

- Owner of record: 438 6TH AVENUE LLC
- Building class: S2 – Mixed-use: two-family home with one store or office
- Year built: 1901
- Floors: 3
- Units: 2 residential / 3 total
- Lot area: 1,080 sq ft · Building area: 2,160 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 2026-11-09

## Tax assessment

- Tax year 2027 (final roll): market value $2,780,000, assessed value $166,800, tax class 1
- 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.

| Date | Status | Description | Source |
|---|---|---|---|
| 2019-11-05 | recorded (DEED) | DEED dated 2019-11-05 from 438 6TH AVENUE ASSOCIATES, LLC to 438 6TH AVENUE LLC, stated price $2,200,000. | bnx9-e6tj |
| 2015-09-16 | recorded (DEED) | DEED dated 2015-09-16 from MAFFEI, MARYANNE to 438 6TH AVENUE ASSOCIATES LLC, no price stated ($0). | bnx9-e6tj |
| 1996-04-19 | recorded (DEED) | DEED dated 1996-04-19 from MAFFEI, WALTER; MAFFEI, MARYANNE to MAFFEI, MARYANNE, no price stated ($0). | bnx9-e6tj |
| 1993-12-03 | recorded (DEED) | DEED dated 1993-12-03 from GMELCH, ANNA SOWA DECD; GMELCH, PAUL; GMELCH, FRANCES DSTBEE to MAFFEI, WALTER; MAFFEI, MARYANNE, no price stated ($0). | bnx9-e6tj |
| 1968-04-30 | recorded (DEED) | DEED dated 1968-04-30 from GMELCH CHARLES J to GMELCH ANNA S; GMELCH CHARLES J, no price stated ($0). | bnx9-e6tj |

## 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 |
|---|---|---|---|
| 2020-08-10 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 340754008 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INTERIOR ALTERATIONS TO CHANGE EXISTING GROUND FLOOR STORE TO GROUND FLOOR OFFICE. THERE WIL BE NO CHANGE OF USE GROUP, OCCUPANCY, EGRESS OR ZONING, HEIGH OF BUILDING OR FOOTPRINT AS PART OF THIS APP… | ic3t-wcy2 |
| 2009-05-21 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 320020124 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. PROPOSED INSTALLATION OF HEAVYDUTY SIDEWALK SHED FILED FOR REMIDIAL REPAIRS AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. LIVE LOAD 300 PSF. SIDEWALK SHED SHALL COMPLY WI… | ic3t-wcy2 |
| 2022-05-26 | n/a (ISSUED (renewal)) | BIS work permit for job 340754008: Equipment work / Other / general construction. Issued 2022-05-26, expires 2023-05-10. | ipu4-2q9a |
| 2022-05-18 | n/a (ISSUED (renewal)) | BIS work permit for job 340754008: Equipment work / Other / general construction. Issued 2022-05-18, expires 2023-05-10. | ipu4-2q9a |
| 2021-04-14 | n/a (ISSUED (initial)) | BIS work permit for job 340754008: Equipment work / Other / general construction. Issued 2021-04-14, expires 2021-10-20. | ipu4-2q9a |
| 2010-03-31 | n/a (ISSUED (initial)) | BIS work permit for job 310308244: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2010-03-31, expires 2011-02-18. | ipu4-2q9a |
| 2010-03-31 | n/a (ISSUED (initial)) | BIS work permit for job 310308244: Equipment work / Other / general construction. Issued 2010-03-31, expires 2011-02-18. | ipu4-2q9a |
| 2009-06-12 | n/a (ISSUED (renewal)) | BIS work permit for job 320020124: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2009-06-12, expires 2010-06-08. | ipu4-2q9a |
| 2009-05-22 | n/a (ISSUED (initial)) | BIS work permit for job 320020124: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2009-05-22, expires 2009-06-08. | ipu4-2q9a |

## 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 |
|---|---|---|---|
| 2020-03-06 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 3: § 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE ( INOPERATIVE ) BELL AND RETURN BUZZER INTERCOM SYSTEM FROM SOUTH WALL AT BUILDING FRONT ENTRANCE TO PANEL AT NORTH WALL IN THE FOYER LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3: § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING IN THE KITCHEN LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3: § 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK THROUGH CEILING IN THE KITCHEN LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 3: § 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING ESCUTCHEON PLATE AT CEILING AROUND STEAM RISER IN THE KITCHEN LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 3: § 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING ESCUTCHEON PLATE AT CEILING AROUND STEAM RISER IN THE BATHROOM LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3: § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR THE CEILING IN THE BATHROOM LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class A violation (Class A): § 27-2005 ADMIN. CODE: PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRINGS OF DROPLADDER AT BUILDING FRONT FIRE ESCAPE. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class B violation (Class B) in apt 3: § 27-2005 ADMIN. CODE: REPAIR THE ROOF SO THAT IT WILL NOT LEAK THROUGH CEILING IN THE BATHROOM LOCATED AT APT 3, 3rd STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-03-06 | open (Nov Sent Out) | HPD class B violation (Class B): § 27-2005,2007 ADMIN. CODE AND DEPARTMENT RULES AND REGULATIONS: REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF FLOWER POTS ON 3RD STORY BALCONY AT BUILDING FRONT FIRE ESCAPE. Open — not recorded as corrected. | wvxf-dwi5 |

## 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.

No records found.

Source: DOB Safety Violations (DOB NOW) (https://data.cityofnewyork.us/Building/DOB-Safety-Violations/855j-jady), city dataset updated 2026-11-09; last loaded 2026-11-09

## 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 |
|---|---|---|---|
| 2025-04-22 | 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 |

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

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

| Date | Status | Description | Source |
|---|---|---|---|
| 2020-03-02 | closed (CLOSE) | HPD complaint (apt 3): General – Bell/Buzzer/Intercom; Unsanitary Condition – Pests; Water Leak – Damp Spot. The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd | ygpa-z7cr |
| 2020-02-25 | closed (CLOSE) | HPD complaint (apt 3): Paint/Plaster – Ceiling; General – Bell/Buzzer/Intercom. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2026-04-27 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Hydrant. | erm2-nwe9 |

## 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 438 6TH AVENUE LLC. | 64uk-42ks |
| 2019-11-05 | recorded | Grantee (buyer) on the most recent deed (DEED, 2019-11-05). | 636b-3b5g |

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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/3010110044