# 42 Adelphi Street, Brooklyn, NY 11205

BBL 3020310050 · Block 2031 · Lot 50 · BIN 3057999, 3804015  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/42-adelphi-street-3020310050  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

## Summary

42 Adelphi Street (Brooklyn, NY 11205; tax lot BBL 3020310050) is a 1-unit office building (building class O8: office building (subtype O8)), built around 1899, on a 4,479 sq ft lot zoned M1-2. City tax records list the owner as IDENBURG, FLORIAN; per ACRIS, a deed to this owner dated December 20, 2013 lists a price of $1,350,000. The Department of Finance's final market value for tax year 2027 is $304,000. As of October 31, 2026, NYC Open Data shows four active ECB violations and nine OATH tickets with an unpaid balance. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “42 Adelphi Street, Brooklyn, NY 11205 (BBL 3020310050)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/42-adelphi-street-3020310050. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 0 |
| Active ECB violations | 4 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 9 |

## Lot & building

- Owner of record: IDENBURG, FLORIAN
- Building class: O8 – Office building (subtype O8)
- Year built: 1899
- Floors: 2
- Units: 1 residential / 2 total
- Lot area: 4,479 sq ft · Building area: 6,322 sq ft
- Zoning: M1-2
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-04

## Tax assessment

- Tax year 2027 (final roll): market value $304,000, assessed value $136,800, 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.

| Date | Status | Description | Source |
|---|---|---|---|
| 2013-12-20 | recorded (DEED) | DEED dated 2013-12-20 from ARTEAGA, DANIEL G; ARTEAGA, MARIA ISABEL to LIU, JING; IDENBURG, FLORIAN, stated price $1,350,000. | bnx9-e6tj |
| 1999-08-19 | recorded (DEED) | DEED dated 1999-08-19 from TUZZI, FLORENCE A; TUZZI, LOUIS J to ARTEAGA, DANIEL G; ARTEAGA, MARIA ISABEL, 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 |
|---|---|---|---|
| 2022-08-24 | n/a (Signed-off) | DOB NOW work permit for job B00771456-I1: General Construction — Filing for the removal of the carport and chain link fence at the 1st floor. No change to use, egress, or occupancy.. Issued 2022-08-24, expires 2023-01-29. | rbx6-tga4 |
| 2019-06-12 | n/a (ISSUED (initial)) | BIS work permit for job 321549428: Alteration. Issued 2019-06-12, expires 2019-08-15. | ipu4-2q9a |
| 2015-05-12 | n/a (ISSUED (initial)) | BIS work permit for job 321103006: Plumbing / Plumbing. Issued 2015-05-12, expires 2016-05-11. | ipu4-2q9a |
| 2015-05-06 | n/a (ISSUED (initial)) | BIS work permit for job 321103006: Equipment work / Other / general construction. Issued 2015-05-06, expires 2015-10-22. | ipu4-2q9a |
| 2015-05-06 | n/a (ISSUED (initial)) | BIS work permit for job 321103006: Equipment work / Mechanical/HVAC. Issued 2015-05-06, expires 2015-10-22. | ipu4-2q9a |
| 2015-05-06 | n/a (ISSUED (initial)) | BIS work permit for job 321103006: Equipment work / Other / general construction. Issued 2015-05-06, expires 2015-10-22. | ipu4-2q9a |
| 2015-05-06 | n/a (ISSUED (initial)) | BIS work permit for job 321103006: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 2015-05-06, expires 2016-05-05. | ipu4-2q9a |

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-10-01 | open (violation status ACTIVE; hearing status DEFAULT; certification NO COMPLIANCE RECORDED) | ECB (DOB) violation, class - 2: 3303.11.2 STAIRS DURING BUILDING CONSTRUCTION OR ENLARGEMENT- ACTIVE JOBSITE TOPPED OFF AT 40FT. ONLY TEMPORARY LADDERS PROVIDED FOR EGRESS. 1 FLIGHT OF PERMANENT STAIRS IS TOI BE PROVIDED AT 4 STORIES OR 40 FT. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: default (the respondent did not appear; the penalty was imposed by default). Certification of correction: no compliance recorded. Balance due $10,000. | 6bgk-3dad |
| 2025-07-09 | open (violation status ACTIVE; hearing status ADMIT/IN-VIO) | ECB (DOB) violation, class - 2: AT TIME OF INSPECTION, OBSERVED AN INTERNAL ACCESS PATH AT EXPOSURE 1 USED BY WORKERS WITHOUT OVERHEAD PROTECTION IN PLACE. SITE HAS REACHEDROOF LEVEL, AND AREA IS POTENTIALLY SUBJECT TO FALLING MATERIAL DURING. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: violation admitted. | 6bgk-3dad |
| 2025-10-01 | open (violation status ACTIVE; hearing status DEFAULT; certification NO COMPLIANCE RECORDED) | ECB (DOB) violation, class - 2: 3308.5.3.1 ZERO CABLE- ON ACTIVE JOBSITE, OBSERVED VERTICAL CABLE SYSTEM INSTALLED AT MULTIPLE LOCATIONS ON JOBSITE. ALL CABLE SYSTEMS ARE MISSING ZERO CABLES TO PREVENT MATERIAL AND DEBRIS FROM FALLING. STOP A. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: default (the respondent did not appear; the penalty was imposed by default). Certification of correction: no compliance recorded. Balance due $10,000. | 6bgk-3dad |
| 2026-02-12 | open (violation status ACTIVE; hearing status DEFAULT; certification NO COMPLIANCE RECORDED) | ECB (DOB) violation, class - 1: FAILURE TO INSTITUTE/MAINTAIN SAFETY EQUIP MEASURES/TEMPORARY CONSTRUCTION "NO HANDRAILS". AS NOTED: AT TIME OF INSPECTION AT AN ACTIVE JOBSITE FOR A PROPOSED 3 STORY BUILDING ALREADY AT THE BULKHEAD LEVEL. OBS. Violation status (DOB): active (open; not resolved in DOB records). Hearing/penalty status: default (the respondent did not appear; the penalty was imposed by default). Certification of correction: no compliance recorded. Balance due $12,500. | 6bgk-3dad |

## 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 |
|---|---|---|---|
| 2026-05-17 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: FAILURE TO CLEAN 18 INCHES INTO STREET. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-02-12 | open (DOCKETED · DEFAULTED) | OATH ticket from Dept. Of Buildings: FAILURE TO INSTITUTE MAINTAIN SAFETY EQUIPMENT MEASURES - NO HANDRAILS. Unpaid balance $12,500. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-02-03 | open (DOCKETED · DEFAULTED) | OATH ticket from Nypd Transport Intelligence Di: CONSTRUCTION SHANTY TRAILER W O PERMIT. Unpaid balance $450. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-02-03 | open (DOCKETED · DEFAULTED) | OATH ticket from Nypd Transport Intelligence Di: STREET CLOSING WITHOUT PERMIT. Unpaid balance $5,000. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-02-03 | open (DOCKETED · DEFAULTED) | OATH ticket from Nypd Transport Intelligence Di: OBSTRUCTION OF STREET W CONSTRUCTION MATERIALS EQUIPMENT W O PERMIT. Unpaid balance $2,250. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-02-03 | open (DOCKETED · DEFAULTED) | OATH ticket from Nypd Transport Intelligence Di: FAILURE TO OBTAIN PERMIT FOR ANY CHANGES TO INSTALL, SIGNS SUPPORTS. Unpaid balance $2,500. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-10-21 | open (DOCKETED · DEFAULTED) | OATH ticket from Dept. Of Buildings: WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AMENDMENTS. Unpaid balance $3,125. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-10-21 | open (DOCKETED · DEFAULTED) | OATH ticket from Dept. Of Buildings: FAILURE TO MAINTAIN ADEQUATE HOUSEKEEPING PER SECTION REQUIREMENTS. Unpaid balance $3,125. Respondent defaulted (did not appear). | jz4z-kudi |
| 2024-10-21 | open (DOCKETED · DEFAULTED) | OATH ticket from Dept. Of Buildings: TEMPORARY CONSTRUCTION EQUIPMENT INSTALLATION ON SITE EXPIRED PERMIT. Unpaid balance $3,125. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-10-01 | pending (RESCHEDULED · DEFAULTED) | OATH ticket from Dept. Of Buildings: MISCELLANEOUS VIOLATIONS. Hearing pending. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-10-01 | pending (RESCHEDULED · DEFAULTED) | OATH ticket from Dept. Of Buildings: MISCELLANEOUS VIOLATIONS. Hearing pending. 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.

No records found.

## 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 IDENBURG, FLORIAN. | 64uk-42ks |
| 2013-12-20 | recorded | Grantee (buyer) on the most recent deed (DEED, 2013-12-20). | 636b-3b5g |
| 2013-12-20 | recorded | Grantee (buyer) on the most recent deed (DEED, 2013-12-20). | 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/3020310050