# 101 Classon Avenue, Brooklyn, NY 11205 BBL 3018810017 · Block 1881 · Lot 17 · BIN 3054180 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/101-classon-avenue-3018810017 Last updated: 2026-10-31 · Open-item counts as of 2026-10-31 ## Summary 101 Classon Avenue (Brooklyn, NY 11205; tax lot BBL 3018810017) is a factory or industrial building (building class F5: factory / industrial building (subtype F5)), built around 1980, on a 7,350 sq ft lot zoned M1-2. City tax records list the owner as RIZZO RESEARCH CORP.. The Department of Finance's final market value for tax year 2027 is $1,023,000. As of October 31, 2026, NYC Open Data shows four DOB jobs with a permit issued but no sign-off. There were three 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, “101 Classon Avenue, Brooklyn, NY 11205 (BBL 3018810017)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/101-classon-avenue-3018810017. Source: NYC Open Data. ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 4 | | Active DOB violations | 0 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: RIZZO RESEARCH CORP. - Building class: F5 – Factory / industrial building (subtype F5) - Year built: 1980 - Floors: 1 - Units: 0 residential / 1 total - Lot area: 7,350 sq ft · Building area: 6,855 sq ft - Zoning: M1-2 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-02 ## Tax assessment - Tax year 2027 (final roll): market value $1,023,000, assessed value $460,350, 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 | |---|---|---|---| | 2007-10-04 | recorded (DEED) | DEED dated 2007-10-04 from HERCULES HEAT TREATING CORP. to RIZZO RESEARCH CORP., no price stated ($0) for a deed covering 2 lots. | bnx9-e6tj | | 1984-11-01 | recorded (DEED) | DEED dated 1984-11-01 from RIZZO RESEARCH CORP to HERCULES HEAT TREATNG CP, no price stated ($0) for a deed covering 3 lots. | bnx9-e6tj | | 1980-09-26 | recorded (DEED) | DEED dated 1980-09-26 from RIZZO IDA; RIZZO JOSEPH J to HERCULES HEAT TREATING CORP, no price stated ($0). | bnx9-e6tj | | 1978-11-29 | recorded (DEED) | DEED dated 1978-11-29 from RIZZO REALTY CORP to RIZZO IDA; RIZZO JOSEPH J, no price stated ($0). | bnx9-e6tj | | 1971-08-23 | recorded (DEED) | DEED dated 1971-08-23 from RIZZO RLTY CORP to RIZZO JOSEPH J; RIZZO IDA, no price stated ($0) for a deed covering 2 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 | |---|---|---|---| | 2018-12-12 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 321775619 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. ALTERATION TYPE II FOR PLUMBING WORK TYPE ONLY IN ORDER TO RE-DESIGN GAS PIPING DISTRIBUTION ON FIRST FLOOR AND OBTAIN EQUIPMENT USE CARD FOR A/C UNIT ON THE ROOF. NO CHANGE OF USE, EGRESS OR OCCUPAN… | ic3t-wcy2 | | 2015-12-07 | open (PERMIT ISSUED - PARTIAL JOB) | BIS job 321282492 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - PARTIAL JOB — permit issued, no sign-off on record. ALTERATION TYPE II TO REPLACE TWO (2) EXISTING HVAC UNITS LOCATED ON ROOF. THOSE UNITS WILL USE EXISTING DUNNAGE AND DUCTS. NO CHANGE USE, EGRESS OR OCCUPANCY. | ic3t-wcy2 | | 2007-02-12 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 302298617 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. | ic3t-wcy2 | | 1999-05-12 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 300860842 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. INSTALLATION OF CONCRETE PAD AND LIQUID NITROGEN TANK LOCATED IN YARD. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | ic3t-wcy2 | | 2019-03-26 | n/a (ISSUED (initial)) | BIS work permit for job 321775619: Plumbing / Plumbing. Issued 2019-03-26, expires 2020-09-30. | ipu4-2q9a | | 2016-01-28 | n/a (ISSUED (initial)) | BIS work permit for job 321282492: Equipment work / Other / general construction. Issued 2016-01-28, expires 2017-01-12. | ipu4-2q9a | | 2016-01-28 | n/a (ISSUED (initial)) | BIS work permit for job 321282492: Equipment work / Mechanical/HVAC. Issued 2016-01-28, expires 2017-01-12. | ipu4-2q9a | | 2012-12-26 | n/a (ISSUED (initial)) | BIS work permit for job 320521182: Plumbing / Plumbing. Issued 2012-12-26, expires 2013-12-26. | ipu4-2q9a | | 2011-04-27 | n/a (ISSUED (initial)) | BIS work permit for job 320264478: Equipment work / Mechanical/HVAC. Issued 2011-04-27, expires 2012-01-01. | ipu4-2q9a | | 2011-04-27 | n/a (ISSUED (initial)) | BIS work permit for job 320264478: Equipment work / Other / general construction. Issued 2011-04-27, expires 2012-01-01. | ipu4-2q9a | | 2007-02-15 | n/a (ISSUED (initial)) | BIS work permit for job 302298617: Equipment work / Mechanical/HVAC. Issued 2007-02-15, expires 2007-03-07. | ipu4-2q9a | | 2000-03-20 | n/a (ISSUED (initial)) | BIS work permit for job 300860842: Equipment work / Other / general construction. Issued 2000-03-20, expires 2000-11-02. | 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. No records found. ## 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. | Date | Status | Description | Source | |---|---|---|---| | 2026-08-08 | closed (Closed) | 311 request to DEP: Hazardous Material – Chemical Odor. | erm2-nwe9 | | 2026-05-13 | closed (Closed) | 311 request to DEP: Noise – Noise: air condition/ventilation equipment (NV1). | erm2-nwe9 | | 2026-04-12 | closed (Closed) | 311 request to DOT: Street Condition – Defective Hardware. | 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 RIZZO RESEARCH CORP.. | 64uk-42ks | | 2007-10-04 | recorded | Grantee (buyer) on the most recent deed (DEED, 2007-10-04). | 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/3018810017