# 404 Classon Avenue, Brooklyn, NY 11238 BBL 3019690050 · Block 1969 · Lot 50 · BIN 3056385 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/404-classon-avenue-3019690050 Last updated: 2026-10-31 · Open-item counts as of 2026-11-06 ## Summary 404 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3019690050) is a two-family home (building class B1: two-family home, brick), built around 1899, on a 2,000 sq ft lot zoned R6B. City tax records list the owner as THOMPSON-ADAMS, NICHOLE. The Department of Finance's final market value for tax year 2027 is $2,289,000. As of November 6, 2026, NYC Open Data shows one open HPD violation. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.) How to cite: NYC Property Facts, “404 Classon Avenue, Brooklyn, NY 11238 (BBL 3019690050)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/404-classon-avenue-3019690050. Source: NYC Open Data. ## Neighborhood Prospect Heights: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/prospect-heights - Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/prospect-heights/open-hpd-violations - Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/prospect-heights/active-dob-violations - Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/prospect-heights/active-ecb-violations - Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/prospect-heights/open-dob-jobs - Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/prospect-heights/unpaid-oath-tickets ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 0 | | Active DOB violations | 0 | | Active ECB violations | 0 | | Open HPD violations | 1 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: THOMPSON-ADAMS, NICHOLE - Building class: B1 – Two-family home, brick - Year built: 1899 - Floors: 2.5 - Units: 2 residential / 2 total - Lot area: 2,000 sq ft · Building area: 2,592 sq ft - Zoning: R6B - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-06 ## Tax assessment - Tax year 2027 (final roll): market value $2,289,000, assessed value $137,340, 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 | |---|---|---|---| | 2015-07-13 | recorded (DEED) | DEED dated 2015-07-13 from ADAMS, NILE; ADAMS (DECEASED), MARINO; THOMPSON-ADAMS, NICHOLE; ADAMS, SAGE to THOMPSON-ADAMS, NICHOLE, no price stated ($0). | bnx9-e6tj | | 1999-12-23 | recorded (DEED) | DEED dated 1999-12-23 from BEC/STATUS GARVEY ASSOCIATES to ADAMS, MARINO, no price stated ($0). | bnx9-e6tj | | 1998-07-08 | recorded (DEED) | DEED dated 1998-07-08 from CLINTON GREENE,INC to BEC/STATUS GARVEY ASSOC., no price stated ($0) for a deed covering 7 lots. | bnx9-e6tj | | 1998-07-08 | recorded (DEED) | DEED dated 1998-07-08 from NYC HPD to CLINTON GREENE INC, no price stated ($0) for a deed covering 7 lots. | bnx9-e6tj | | 1990-05-25 | recorded (DEED) | DEED dated 1990-05-25 from COMMISSIONER OF FINANCE to CITY OF NEW YORK, no price stated ($0) for a deed covering 612 lots. | 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 | |---|---|---|---| | 2024-05-21 | n/a (Signed-off) | DOB NOW work permit for job B08054150-I1: Structural — SCOPE OF WORK INCLUDES THE ADDITION OF STRUCTURAL FRAMING FOR THE EXTENSION OF THE REAR DECK ALONG WITH OPENING THE EXISTING REAR MASONRY WALL FOR A NEW DOOR A…. Issued 2024-05-21, expires 2024-08-24. | rbx6-tga4 | | 2024-01-02 | n/a (Signed-off) | DOB NOW work permit for job B08054101-I1: General Construction — Renovation of existing Kitchen and Install new rear metal deck. New walls, cabinets and floor finishes. No change of use, egress or occupancy under this applic…. Issued 2024-01-02, expires 2025-01-02. | rbx6-tga4 | | 2023-12-27 | n/a (Signed-off) | DOB NOW work permit for job B08054111-I1: Plumbing — Renovation existing kitchen. Installation of new kitchen fixtures. No change of use, egress or occupancy under this application.. Issued 2023-12-27, expires 2024-10-21. | rbx6-tga4 | | 2023-11-16 | n/a (Signed-off) | DOB NOW work permit for job B08054111-I1: Plumbing — Renovation existing kitchen. Installation of new kitchen fixtures. No change of use, egress or occupancy under this application.. Issued 2023-11-16, expires 2024-02-22. | rbx6-tga4 | | 2023-10-03 | n/a (Signed-off) | DOB NOW work permit for job B08054150-I1: Structural — SCOPE OF WORK INCLUDES THE ADDITION OF STRUCTURAL FRAMING FOR THE EXTENSION OF THE REAR DECK ALONG WITH OPENING THE EXISTING REAR MASONRY WALL FOR A NEW DOOR A…. Issued 2023-10-03, expires 2024-06-02. | rbx6-tga4 | | 2023-09-29 | n/a (Signed-off) | DOB NOW work permit for job B08054101-I1: General Construction — Renovation of existing Kitchen and Install new rear metal deck. New walls, cabinets and floor finishes. No change of use, egress or occupancy under this applic…. Issued 2023-09-29, expires 2024-04-05. | rbx6-tga4 | | 2022-04-04 | n/a (ISSUED (initial)) | BIS work permit for job 310016755: Plumbing / Plumbing. Issued 2022-04-04, expires 2023-04-04. | ipu4-2q9a | | 2007-09-18 | n/a (ISSUED (initial)) | BIS work permit for job 310016755: Equipment work / Other / general construction. Issued 2007-09-18, expires 2007-10-19. | ipu4-2q9a | | 1999-02-22 | n/a (ISSUED (initial)) | BIS work permit for job 300739912: Plumbing / Plumbing. Issued 1999-02-22, expires 2000-02-22. | ipu4-2q9a | | 1999-01-13 | n/a (ISSUED (renewal)) | BIS work permit for job 300739912: Alteration. Issued 1999-01-13, expires 1999-11-01. | ipu4-2q9a | | 1999-01-13 | n/a (ISSUED (renewal)) | BIS work permit for job 300802102: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 1999-01-13, expires 1999-11-01. | ipu4-2q9a | | 1998-10-26 | n/a (ISSUED (initial)) | BIS work permit for job 300802102: Construction equipment (scaffold, fence, shed) / Construction equipment. Issued 1998-10-26, expires 1998-12-31. | ipu4-2q9a | | 1998-10-05 | n/a (ISSUED (initial)) | BIS work permit for job 300739912: Alteration. Issued 1998-10-05, expires 1998-11-01. | 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 | |---|---|---|---| | 2009-09-03 | open (Nov Sent Out) | HPD class C violation (Class C): SECTION 27-2005 ADMIN. CODE: PROVIDE TEMPORARY SEAL ALL ACCESSIBLE OPENINGS VACANT BLDG. ER1. Open — not recorded as corrected. | wvxf-dwi5 | ## 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. No records found. ## 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 THOMPSON-ADAMS, NICHOLE. | 64uk-42ks | | 2015-07-13 | recorded | Grantee (buyer) on the most recent deed (DEED, 2015-07-13). | 636b-3b5g | --- 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/3019690050