# 817 Classon Avenue, Brooklyn, NY 11238 BBL 3011787504 · Block 1178 · Lot 7504 · BIN 3029573 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/817-classon-avenue-3011787504 Last updated: 2026-11-05 · Open-item counts as of 2026-11-06 Also recorded as: 817-821 Classon Ave ## Summary 817 Classon Avenue (Brooklyn, NY 11238; tax lot BBL 3011787504) is a condominium (building class R0: condominium (subtype R0)), built around 2025, on a 4,991 sq ft lot zoned R7A. City tax records list the owner as 817 CLASSON OWNER LLC. As of November 6, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.) How to cite: NYC Property Facts, “817 Classon Avenue, Brooklyn, NY 11238 (BBL 3011787504)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/817-classon-avenue-3011787504. Source: NYC Open Data. ## Neighborhood Prospect Heights: https://nycpropertyfacts.com/ny/brooklyn/11238 - Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11238/open-hpd-violations - Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11238/active-dob-violations - Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11238/active-ecb-violations - Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11238/open-dob-jobs - Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11238/unpaid-oath-tickets ## ZIP Brooklyn 11238: https://nycpropertyfacts.com/ny/brooklyn/11238 ## Nearby properties Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers. - 817 Classon Avenue (1 ft): https://nycpropertyfacts.com/ny/brooklyn/817-classon-avenue-3011780007 - 815 Classon Avenue (38 ft): https://nycpropertyfacts.com/ny/brooklyn/815-classon-avenue-3011780009 - 823 Classon Avenue (59 ft): https://nycpropertyfacts.com/ny/brooklyn/823-classon-avenue-3011787502 - 811 Classon Avenue (65 ft): https://nycpropertyfacts.com/ny/brooklyn/811-classon-avenue-3011780010 - 809 Classon Avenue (90 ft): https://nycpropertyfacts.com/ny/brooklyn/809-classon-avenue-3011780011 - 820 Classon Avenue (167 ft): https://nycpropertyfacts.com/ny/brooklyn/820-classon-avenue-3011777502 - 524 St Johns Place (120 ft): https://nycpropertyfacts.com/ny/brooklyn/524-st-johns-place-3011787501 - 776 Franklin Avenue (0.15 mi): https://nycpropertyfacts.com/ny/brooklyn/776-franklin-avenue-3011787503 ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 0 | | Active DOB violations | 0 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: 817 CLASSON OWNER LLC - Building class: R0 – Condominium (subtype R0) - Year built: 2025 - Floors: 7 - Units: — residential / — total - Lot area: 4,991 sq ft · Building area: — sq ft - Zoning: R7A - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-07 ## 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. No records found. ## 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). No records found. ## 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. 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 817 CLASSON OWNER LLC. | 64uk-42ks | | 2026-10-02 | current_registration | HPD registration contact: CorporateOwner (THE 817 CLASSON AVENUE CONDOMINIUM), business city Brooklyn. | feu5-w2e2 | | 2026-10-02 | current_registration | HPD registration contact: Agent Mendy Deutsch, business city Brooklyn. | feu5-w2e2 | | 2026-10-02 | current_registration | HPD registration contact: HeadOfficer Mendy Deutsch, 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/3011787504