# 9523 3rd Avenue, Brooklyn, NY 11209 BBL 3061170001 · Block 6117 · Lot 1 · BIN 3155573 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/9523-3rd-avenue-3061170001 Last updated: 2026-10-31 · Open-item counts as of 2026-10-31 Also recorded as: 305 96 St ## Summary 9523 3rd Avenue (Brooklyn, NY 11209; tax lot BBL 3061170001) is a 7-unit walk-up apartment building (building class C7: walk-up apartments, more than six families, with stores), built around 1929, on a 1,932 sq ft lot zoned R6A. City tax records list the owner as NORDBO CORPORATION. The Department of Finance's final market value for tax year 2027 is $1,133,000. As of October 31, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off, one active DOB violation and one active ECB violation. There were seven 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, “9523 3rd Avenue, Brooklyn, NY 11209 (BBL 3061170001)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/9523-3rd-avenue-3061170001. Source: NYC Open Data. ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 2 | | Active DOB violations | 1 | | Active ECB violations | 1 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: NORDBO CORPORATION - Building class: C7 – Walk-up apartments, more than six families, with stores - Year built: 1929 - Floors: 4 - Units: 7 residential / 8 total - Lot area: 1,932 sq ft · Building area: 6,912 sq ft - Zoning: R6A, BR - 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 $1,133,000, assessed value $509,850, tax class 2B - 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 | |---|---|---|---| | 1995-01-03 | recorded (DEED) | DEED dated 1995-01-03 from NORDBO, GRETHE to NORDBO CORPORATION, no price stated ($0). | bnx9-e6tj | | 1992-06-08 | recorded (DEED) | DEED dated 1992-06-08 from NORDBO, JOHN; NORDBO, GRETHE to NORDBO, GRETHE, 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 | |---|---|---|---| | 2018-07-24 | open (Permit Entire) | DOB NOW job filing B00064466-I1 (Alteration): Permit Entire — permit issued, no sign-off on record. | w9ak-ipjd | | 1999-05-13 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 300861360 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. REPLACE GAS BOILER WITH A WEIL MCLAIN EG H115 GAS BOILER 500,000 BTU MEA #160-75E. NO CHANGE TO USE, EGRESS, OR O CCUPANCY. | ic3t-wcy2 | | 2019-08-02 | n/a (Permit Issued) | DOB NOW work permit for job B00064466-I1: Sidewalk Shed — PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. LIVE LOAD 300 LBS PER SQUARE FEET. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILD…. Issued 2019-08-02, expires 2021-01-31. | rbx6-tga4 | | 2018-07-25 | n/a (Permit Issued) | DOB NOW work permit for job B00064466-I1: Sidewalk Shed — PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. LIVE LOAD 300 LBS PER SQUARE FEET. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILD…. Issued 2018-07-25, expires 2019-07-25. | rbx6-tga4 | | 2011-07-13 | n/a (ISSUED (initial)) | BIS work permit for job 320319295: Plumbing / Plumbing. Issued 2011-07-13, expires 2012-07-12. | ipu4-2q9a | | 2011-07-01 | n/a (ISSUED (initial)) | BIS work permit for job 320319295: Equipment work / Mechanical/HVAC. Issued 2011-07-01, expires 2012-03-04. | ipu4-2q9a | | 2011-06-24 | n/a (ISSUED (initial)) | BIS work permit for job 320319295: Equipment work / Other / general construction. Issued 2011-06-24, expires 2012-03-04. | ipu4-2q9a | | 1999-06-18 | n/a (ISSUED (initial)) | BIS work permit for job 300861360: Equipment work / Boiler. Issued 1999-06-18, expires 2000-01-12. | ipu4-2q9a | | 1999-06-18 | n/a (ISSUED (initial)) | BIS work permit for job 300861360: Plumbing / Plumbing. Issued 1999-06-18, expires 2000-06-17. | 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 | |---|---|---|---| | 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 | | 1999-04-09 | open (violation status ACTIVE; hearing status DEFAULT; certification NO COMPLIANCE RECORDED) | ECB (DOB) violation, non-hazardous: 19B-MANUAL RESET PRESTROL MISSING. NATCO BOILER FOR LAUNDROMAT.. 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. | 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 | |---|---|---|---| | 2025-12-04 | pending (RESCHEDULED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: UNREGISTERED BOILER OR WATER HEATER-350,000-4,200,000 BTU HR 1ST OFF. 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. | Date | Status | Description | Source | |---|---|---|---| | 2026-05-11 | closed (Closed) | 311 request to NYPD: Illegal Parking – Posted Parking Sign Violation. | erm2-nwe9 | | 2026-05-01 | closed (Closed) | 311 request to NYPD: Abandoned Vehicle – With License Plate. | erm2-nwe9 | | 2026-04-14 | closed (Closed) | 311 request to DEP: Sewer – Street Flooding (SJ). | erm2-nwe9 | | 2026-04-12 | closed (Closed) | 311 request to DEP: Sewer – Street Flooding (SJ). | erm2-nwe9 | | 2026-02-12 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Hydrant. | erm2-nwe9 | | 2026-02-09 | closed (Closed) | 311 request to DSNY: Illegal Dumping – Removal Request. | erm2-nwe9 | | 2026-02-09 | 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 NORDBO CORPORATION. | 64uk-42ks | | 1995-01-03 | recorded | Grantee (buyer) on the most recent deed (DEED, 1995-01-03). | 636b-3b5g | | 2026-07-14 | current_registration | HPD registration contact: Shareholder John Nordbo, business city Brooklyn. | feu5-w2e2 | | 2026-07-14 | current_registration | HPD registration contact: Officer Kathryn Pepia, business city Brooklyn. | feu5-w2e2 | | 2026-07-14 | current_registration | HPD registration contact: HeadOfficer John Nordbo, business city Brooklyn. | feu5-w2e2 | | 2026-07-14 | current_registration | HPD registration contact: Agent John Nordbo, business city Brooklyn. | feu5-w2e2 | | 2026-07-14 | current_registration | HPD registration contact: SiteManager John Nordbo. | feu5-w2e2 | | 2026-07-14 | current_registration | HPD registration contact: CorporateOwner (NORDBO CORPORATION), business city Brooklyn. | feu5-w2e2 | --- 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/3061170001