# 313 5th Avenue, Park Slope, Brooklyn, NY 11215 BBL 3009750003 · Block 975 · Lot 3 · BIN 3020924 Canonical page: https://nycpropertyfacts.com/ny/brooklyn/313-5th-avenue-3009750003 Last updated: 2026-10-31 · Open-item counts as of 2026-11-09 ## Summary 313 5th Avenue (Brooklyn, NY 11215; tax lot BBL 3009750003) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1925, on a 1,312 sq ft lot zoned R6A. City tax records list the owner as JOHN MERCADO. The Department of Finance's final market value for tax year 2027 is $3,418,000. As of November 9, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off and one active DOB safety violation (DOB NOW). There were two 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, “313 5th Avenue, Brooklyn, NY 11215 (BBL 3009750003)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/313-5th-avenue-3009750003. Source: NYC Open Data. ## Neighborhood Park Slope: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope - Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-hpd-violations - Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-dob-violations - Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-ecb-violations - Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-dob-jobs - Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/unpaid-oath-tickets ## ZIP Brooklyn 11215: https://nycpropertyfacts.com/ny/brooklyn/11215 ## Nearby properties Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers. - 309 5th Avenue (27 ft): https://nycpropertyfacts.com/ny/brooklyn/309-5th-avenue-3009750004 - 315 5th Avenue (30 ft): https://nycpropertyfacts.com/ny/brooklyn/315-5th-avenue-3009750001 - 305 5th Avenue (57 ft): https://nycpropertyfacts.com/ny/brooklyn/305-5th-avenue-3009750006 - 303 5th Avenue (81 ft): https://nycpropertyfacts.com/ny/brooklyn/303-5th-avenue-3009750007 - 301 5th Avenue (108 ft): https://nycpropertyfacts.com/ny/brooklyn/301-5th-avenue-3009750008 - 299 5th Avenue (134 ft): https://nycpropertyfacts.com/ny/brooklyn/299-5th-avenue-3009750009 - 376 2nd Street (114 ft): https://nycpropertyfacts.com/ny/brooklyn/376-2nd-street-3009750011 - 380 2nd Street (133 ft): https://nycpropertyfacts.com/ny/brooklyn/380-2nd-street-3009750013 ## Open items | Item | Count | |---|---| | Open DOB jobs (permit issued, not signed off) | 1 | | Active DOB violations (BIS) | 0 | | Active DOB safety violations (DOB NOW) | 1 | | Active ECB violations | 0 | | Open HPD violations | 0 | | OATH tickets with unpaid balance | 0 | ## Lot & building - Owner of record: JOHN MERCADO - Building class: S2 – Mixed-use: two-family home with one store or office - Year built: 1925 - Floors: 3 - Units: 2 residential / 3 total - Lot area: 1,312 sq ft · Building area: 2,543 sq ft - Zoning: R6A, C1-4 - Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-09 ## Tax assessment - Tax year 2027 (final roll): market value $3,418,000, assessed value $205,080, 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 | |---|---|---|---| | 1990-05-29 | recorded (DEED) | DEED dated 1990-05-29 from MERCADO, ANA; MERCADO, JOHN to MERCADO, JOHN, no price stated ($0). | bnx9-e6tj | | 1988-06-15 | recorded (DEED) | DEED dated 1988-06-15 from MERCADO, ANA/AKA; MERCADO, JUAN; MERCADO, ANNA to MERCADO, JOHN; MERCADO, ANA, 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 | |---|---|---|---| | 2008-12-09 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 310234751 (A2 – Alteration with multiple work types (no change to use/occupancy)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. EXISTING COMMERCIAL STORE RENOVATE PARTITION; CEILING AND FLOOR TO A NAIL SALON; NO CHANGE IN USE OF EGRESS AND OCCUPANCY. | ic3t-wcy2 | | 2008-12-24 | n/a (ISSUED (initial)) | BIS work permit for job 310234751: Plumbing / Plumbing. Issued 2008-12-24, expires 2009-12-24. | ipu4-2q9a | | 2008-12-10 | n/a (ISSUED (initial)) | BIS work permit for job 310234751: Equipment work / Other / general construction. Issued 2008-12-10, expires 2009-09-01. | ipu4-2q9a | ## Open violations (DOB, DOB NOW safety, ECB, HPD) status "open" = DOB violation category is ACTIVE, DOB NOW safety violation status is Active, ECB violation status is ACTIVE, or HPD violation status is Open. Dismissed, cured, waived and disputed-successfully safety violations are not open. | Date | Status | Description | Source | |---|---|---|---| | 2023-11-14 | open (Active) | DOB NOW safety violation (Boiler), type FTC-BE-EXT-LP, VIO-FTC-BE-EXT-202212-0003358: Violation Issued-Failure To File 2022 External Inspection Affirmation of Correction for LP Device. Active. | 855j-jady | ## DOB safety violations (DOB NOW) Active means the published violation status is Active. Dismissed, cured, waived, disputed successfully and pending dismissal are not open items. | Issued | Status | Type | Device | Number | Remarks | |---|---|---|---|---|---| | 2023-11-14 | open (Active) | FTC-BE-EXT-LP | Boiler | VIO-FTC-BE-EXT-202212-0003358 | Violation Issued-Failure To File 2022 External Inspection Affirmation of Correction for LP Device | 3 resolved or not active. Full list: https://nycpropertyfacts.com/api/v1/property/3009750003/violations?type=dob_safety_violation Source: DOB Safety Violations (DOB NOW) (https://data.cityofnewyork.us/Building/DOB-Safety-Violations/855j-jady), city dataset updated 2026-11-09; last loaded 2026-11-09 ## 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 | |---|---|---|---| | 2026-09-03 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Bike Lane. | erm2-nwe9 | | 2026-05-20 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Bike Lane. | 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 JOHN MERCADO. | 64uk-42ks | | 1990-05-29 | recorded | Grantee (buyer) on the most recent deed (DEED, 1990-05-29). | 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/3009750003