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Building report

839 Knickerbocker Avenue · Brooklyn · BBL 3034250005 · generated 2026-10-20 · FREE

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This building is not graded (non-residential or no residential units on record) — the report below covers its full public record.

Patterns

No heat or hot-water complaints in the last three years.

No bedbug-infested units reported in the last three years of filings.

What 311 hears from this address

63 service requests in the last three years. Most common: Noise (25) · Blocked Driveway (16) · Illegal Parking (8) · Water System (8) · Water Conservation (4) · Food Establishment (1).

Filed construction activity

$100,000 in permitted construction work filed since 2016 (2 filings with a declared cost) — a rough measure of how actively the owner maintains the building. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$199,000 $89,550
2026$202,000 $90,900
2027$206,000 $92,700

The city's market estimate has risen 4% between tax years 2025 and 2027.

Restaurants in this building

RestaurantCuisineGradeNotes
Bushwick Taco CompanyTex-MexA—

Report to 311: Food poisoning · Food safety complaint

1 restaurant · 0 with mice evidence · See them on the Mice Map

1 Food Establishment complaint to 311 at this address in the last three years (most often: Pet/Animal) · complaints filed by the public; DOHMH investigates, outcomes aren't published.

Flood exposure

Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).

Not in a hurricane evacuation zone.

Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.

No street-flooding or sewer-backup complaints on record at this address.

Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.

Getting around

SubwayWilson Av — L · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: partial (Manhattan-bound only)
BusNearest boarding stop: Schaefer St / Knickerbocker Av — B20 · 250 ft
Citi BikeKnickerbocker Ave & Halsey St · 700 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. /I.S. 384 Frances E. Carter
Middle: Evergreen Middle School for Urban Exploration. Confirm with the DOE's school search.

Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.

Report a problem to 311

839 Knickerbocker Avenue

Rats or miceRats or mice
Food poisoningFood poisoning
Food safety complaintFood safety complaint
Anything elseAnything else

63 311 service requests from this address in the last three years.

311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.

Ten-year activity

50250
2017
2018
2019
2020
2021
25
2022
2023
2024
2025
2026
ConstructionHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionHousing & tenantsOwnership & moneyHealth & systemsTotal
201706006
201804004
201954009
202007007
20210210021
20220221225
202308019
20240230225
20250230225
20260171119
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The last 12 months — 22 records

DateRecord
2026-08-09311: Noise - Street/Sidewalk — Loud Music/Party
2026-08-09311: Water Maintenance — Fire Hydrant Emergency
2026-08-08311: Noise - Vehicle — Engine Idling
2026-08-07311: Noise - Street/Sidewalk — Loud Music/Party
2026-08-02311: Noise - Street/Sidewalk — Loud Music/Party
2026-07-20311: Food Establishment — Pet/Animal
2026-07-15311: Water System — Fire Hydrant Emergency (FHE)
2026-07-11311: Noise - Street/Sidewalk — Loud Music/Party
2026-07-10311: Noise - Street/Sidewalk — Loud Music/Party
2026-07-04311: Noise - Street/Sidewalk — Loud Music/Party
2026-06-29DTL — from THE BANK OF NEW YORK MELLON
2026-06-22311: Blocked Driveway — No Access
2026-05-27Rodent inspection: Passed
2026-05-27311: Illegal Parking — Parking Permit Improper Use
2026-03-30311: Noise - Commercial — Loud Music/Party
2026-03-30311: Water System — Hydrant Running Full (WA4)
2026-01-15311: Blocked Driveway — Partial Access
2026-01-15311: Blocked Driveway — Partial Access
2026-01-07311: Blocked Driveway — No Access
2025-12-27311: Blocked Driveway — No Access
2025-11-08311: Blocked Driveway — No Access
2025-11-02311: Noise - Commercial — Banging/Pounding

The full timeline

2026
2026-08-09311: Noise - Street/Sidewalk — Loud Music/Party
2026-08-09311: Water Maintenance — Fire Hydrant Emergency
2026-08-08311: Noise - Vehicle — Engine Idling
2026-08-07311: Noise - Street/Sidewalk — Loud Music/Party
2026-08-02311: Noise - Street/Sidewalk — Loud Music/Party
2026-07-20311: Food Establishment — Pet/Animal
2026-07-15311: Water System — Fire Hydrant Emergency (FHE)
2026-07-11311: Noise - Street/Sidewalk — Loud Music/Party
2026-07-10311: Noise - Street/Sidewalk — Loud Music/Party
2026-07-04311: Noise - Street/Sidewalk — Loud Music/Party
2026-06-29DTL — from THE BANK OF NEW YORK MELLON
2026-06-22311: Blocked Driveway — No Access
2026-05-27Rodent inspection: Passed
2026-05-27311: Illegal Parking — Parking Permit Improper Use
2026-03-30311: Noise - Commercial — Loud Music/Party
2026-03-30311: Water System — Hydrant Running Full (WA4)
2026-01-15311: Blocked Driveway — Partial Access
2026-01-15311: Blocked Driveway — Partial Access
2026-01-07311: Blocked Driveway — No Access
2025
2025-12-27311: Blocked Driveway — No Access
2025-11-08311: Blocked Driveway — No Access
2025-11-02311: Noise - Commercial — Banging/Pounding
2025-10-04311: Water System — Hydrant Running (WC3)
2025-10-03311: Noise - Commercial — Banging/Pounding
2025-10-03311: Water System — Hydrant Running (WC3)
2025-09-29311: Blocked Driveway — No Access
2025-09-27311: Noise - Vehicle — Car/Truck Music
2025-09-15311: Water System — Hydrant Running (WC3)
2025-09-11311: Blocked Driveway — No Access
2025-08-25Restaurant inspection: BUSHWICK TACO COMPANY — grade A
2025-08-18311: Water System — Hydrant Running Full (WA4)
2025-08-13311: Illegal Parking — Blocked Hydrant
2025-08-04311: Water System — Hydrant Running Full (WA4)
2025-08-03311: Illegal Parking — Blocked Hydrant
2025-07-30311: Blocked Driveway — No Access
2025-07-25311: Illegal Parking — Parking Permit Improper Use
2025-05-10311: Blocked Driveway — No Access
2025-04-29311: Water System — Hydrant Running (WC3)
2025-04-24311: Noise - Commercial — Banging/Pounding
2025-04-14Rodent inspection: Passed
2025-03-29311: Water Conservation — Illegal Use Of A Hydrant (CIN)
2025-02-23311: Blocked Driveway — No Access
2025-02-20311: Noise - Commercial — Banging/Pounding
2025-02-14311: Illegal Parking — Parking Permit Improper Use
2024
2024-10-20311: Noise - Vehicle — Car/Truck Music
2024-09-25311: Illegal Parking — Parking Permit Improper Use
2024-07-31311: Blocked Driveway — No Access
2024-07-31311: Blocked Driveway — No Access
2024-06-18311: Water Conservation — Illegal Use Of A Hydrant (CIN)
2024-06-10311: Noise - Street/Sidewalk — Loud Music/Party
2024-05-31311: Blocked Driveway — No Access
2024-05-30Restaurant inspection: BUSHWICK TACO COMPANY — grade A
2024-05-15311: Illegal Parking — Parking Permit Improper Use
2024-05-11311: Water Conservation — Illegal Use Of A Hydrant (CIN)
2024-05-03311: Illegal Parking — Parking Permit Improper Use
2024-04-26311: Noise - Residential — Loud Music/Party
2024-04-26311: Noise - Commercial — Loud Music/Party
2024-04-21311: Noise - Vehicle — Car/Truck Music
2024-04-20311: Noise - Residential — Loud Music/Party
2024-04-20311: Noise - Residential — Loud Music/Party
2024-04-19311: Noise - Residential — Loud Music/Party
2024-04-19311: Noise - Commercial — Loud Music/Party
2024-04-18311: Blocked Driveway — Partial Access
2024-04-18311: Blocked Driveway — No Access
2024-04-15311: Water Conservation — Illegal Use Of A Hydrant (CIN)
2024-04-07311: Noise - Residential — Loud Music/Party
2024-03-31311: Noise - Street/Sidewalk — Loud Music/Party
2024-03-26Rodent inspection: Passed
2024-02-10311: Noise - Street/Sidewalk — Loud Music/Party
2023
2023-10-08311: Blocked Driveway — No Access
2023-08-16311: Illegal Parking — Blocked Hydrant
2023-07-29311: Noise - Commercial — Banging/Pounding
2023-07-23311: Noise - Commercial — Loud Music/Party
2023-07-12311: Water Conservation — Illegal Use Of A Hydrant (CIN)
2023-06-13311: Noise - Street/Sidewalk — Loud Music/Party
2023-05-26311: Blocked Driveway — No Access
2023-05-26311: Blocked Driveway — No Access
2023-02-21Restaurant inspection: BUSHWICK TACO COMPANY — grade A
2022
2022-12-07Restaurant inspection: BUSHWICK TACO COMPANY
2022-12-03311: Blocked Driveway — Partial Access
2022-11-29311: Blocked Driveway — No Access
2022-10-11311: Noise - Residential — Loud Music/Party
2022-08-26Rodent inspection: Passed
2022-08-18311: Blocked Driveway — No Access
2022-08-17311: Blocked Driveway — No Access
2022-07-22311: Water System — Fire Hydrant Emergency (FHE)
2022-07-21311: Water System — Fire Hydrant Emergency (FHE)
2022-07-21311: Water System — Fire Hydrant Emergency (FHE)
2022-07-21311: Water System — Other Water Problem (Use Comments) (WZZ)
2022-07-20311: Water System — Fire Hydrant Emergency (FHE)
2022-07-15311: Illegal Parking — Blocked Hydrant
2022-06-14311: Noise - Vehicle — Car/Truck Music
2022-05-17311: Blocked Driveway — No Access
2022-05-17311: Blocked Driveway — No Access
2022-05-15311: Blocked Driveway — No Access
2022-05-15311: Blocked Driveway — No Access
2022-05-10311: Water System — Hydrant Locking Device Request (Use Comments) (WC5)
2022-05-06311: Blocked Driveway — No Access
2022-03-14311: Blocked Driveway — No Access
2022-03-06311: Blocked Driveway — No Access
2022-03-04TLS — from CITY OF NEW YORK to BANK OF NEW YORK
2022-02-07311: Graffiti — Graffiti
2022-01-15311: Blocked Driveway — No Access
2021
2021-12-31311: Abandoned Vehicle — With License Plate
2021-12-31311: Blocked Driveway — No Access
2021-12-30311: Blocked Driveway — No Access
2021-12-26311: Blocked Driveway — No Access
2021-12-08311: Blocked Driveway — No Access
2021-11-25311: Blocked Driveway — No Access
2021-11-02311: Blocked Driveway — Partial Access
2021-11-02311: Blocked Driveway — Partial Access
2021-10-16311: Food Establishment — Bare Hands in Contact w/ Food
2021-09-12311: Blocked Driveway — No Access
2021-08-07311: Abandoned Vehicle — With License Plate
2021-08-07311: Blocked Driveway — No Access
2021-08-05311: Illegal Parking — Blocked Hydrant
2021-07-03311: Blocked Driveway — No Access
2021-06-20311: Blocked Driveway — No Access
2021-06-06311: Water System — Hydrant Running Full (WA4)
2021-04-06311: Blocked Driveway — No Access
2021-03-24311: Blocked Driveway — No Access
2021-03-06311: Blocked Driveway — No Access
2021-02-17311: Blocked Driveway — No Access
2021-02-14311: Blocked Driveway — No Access
2020
2020-12-13311: Illegal Parking — Blocked Hydrant
2020-07-18311: Noise - Street/Sidewalk — Loud Music/Party
2020-05-30311: Blocked Driveway — No Access
2020-05-30311: Blocked Driveway — No Access
2020-05-30311: Blocked Driveway — No Access
2020-02-08311: Blocked Driveway — No Access
2020-01-01311: Blocked Driveway — No Access
2019
2019-12-03311: Blocked Driveway — No Access
2019-10-12311: Noise - Street/Sidewalk — Loud Music/Party
2019-07-21311: Water System — Fire Hydrant Emergency (FHE)
2019-07-21311: Water System — Fire Hydrant Emergency (FHE)
2019-07-11Permit PL — ISSUED
2019-02-05Permit EW — ISSUED
2019-02-05Permit EW — ISSUED
2019-02-04Job filed: RENOVATION OF EXISTING COMMERCIAL ESTABLISHMENT AS PER BB 2009-025. NO CHANGE IN USE, EGRESS OR OCCUPANCY.$50,000
2019-02-04Job filed: RENOVATION OF EXISTING COMMERCIAL ESTABLISHMENT AS PER BB 2009-025. NO CHANGE IN USE, EGRESS OR OCCUPANCY.$50,000
2018
2018-10-17311: Blocked Driveway — No Access
2018-10-16311: Blocked Driveway — No Access
2018-06-30311: Water System — Fire Hydrant Emergency (FHE)
2018-05-28311: Blocked Driveway — No Access
2017
2017-11-23311: Illegal Parking — Blocked Hydrant
2017-09-03311: Blocked Driveway — No Access
2017-07-21311: Water System — Fire Hydrant Emergency (FHE)
2017-05-19311: Water System — Hydrant Running Full (WA4)
2017-04-18311: Blocked Driveway — No Access
2017-01-05311: Blocked Driveway — No Access
2016
2016-11-30311: Blocked Driveway — No Access
2016-11-19311: Blocked Driveway — No Access
2016-08-15311: Water System — Fire Hydrant Emergency (FHE)
2016-08-11311: Water System — Hydrant Running Full (WA4)
2016-08-10311: Water System — Hydrant Running Full (WA4)
2015
2015-07-20311: Water System — Hydrant Running Full (WA4)
2015-07-19311: Water Conservation — Illegal Use Of A Hydrant (CIN)
2014
2014-10-07FDNY inspection (RISK)
2014-08-23311: Water System — Hydrant Defective (WC2)
2014-05-26311: Water System — Hydrant Running Full (WA4)
2013
2013-07-23311: Bike Rack Condition — Bike Rack Repair
2012
2012-12-12311: Consumer Complaint — Installation/Work Quality
2012-04-20Rodent inspection: Passed
2011
2011-08-04Permit PL — ISSUED
2011-07-14Permit EW — ISSUED
2011-06-29Job filed: INSTALLATION OF KITCHEN FIRE SUPPRESSION SYSTEM, NO CHANGE IN USE EGRESS OR OC CUPANCY$3,000
2011-03-17DOB complaint, category ?
2010
2010-08-08Permit EW — ISSUED
2010-08-06311: General Construction/Plumbing — Cons - Contrary/Beyond Approved Plans/Permits
2010-08-06DOB complaint, category ?
2009
2009-08-06Permit EW — ISSUED
2009-08-05DOB complaint, category ?
2009-04-28Permit EW — ISSUED
2009-04-24DOB complaint, category ?
2008
2008-11-13DOB violation C:
2008-11-13ECB CLASS - 1 violation: FAILURE TO PROVIDE UNOBSTRUCTED EXIT PASSAGEWAY. DEFECTS NOTED: CONSTRUCTION WORK UNDER APPLICATION #310159869-01 EW-0T ALT 2 EXP.
2008-11-13ECB CLASS - 1 violation: FAILURE TO MAINTAIN BUILDING WALLS OR APPURTENANCES. DEFECTS NOTED: BLDG FOUND WITH IMPROPER DRAINAGE IN THAT CATCH BASIN AT REAR $500
2008-11-05DOB complaint, category ?
2008-07-23DOB complaint, category ?
2008-07-22DOB complaint, category ?
2008-06-17Permit EW — ISSUED
2008-06-16Job filed: ENLARGEMENT OF EXISTING GARAGE & INSTALLATION OF CONC. BLOCK FENCE IN REAR YARD AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.$5,000
2008-06-16Job filed: ENLARGEMENT OF EXISTING GARAGE & INSTALLATION OF CONC. BLOCK FENCE IN REAR YARD AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.$5,000
2008-06-16Job filed: ENLARGEMENT OF EXISTING GARAGE & INSTALLATION OF CONC. BLOCK FENCE IN REAR YARD AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.$5,000
2008-05-09DOB complaint, category ?
1998
1998-09-25Deed — from ROLDAN, MIGUEL to PABLO, ALMONTE
1997
1997-06-18TLS — from CITY OF NEW YORK to BANK OF NEW YORK
1996
1996-12-27Agreement — from ROLDAN, MIQUEL to STANLEY, KATHERINE
1984
1984-10-18Deed — from KOMAR, ERNEST to ROLDAN, MIGUEL
1980
1980-05-02Deed — from NYC to KOMAR ERNEST
1975
1975-06-19Deed — from FINANCE ADMINISTRATORS OF THE CITY OF NE; FINANCEADMIN CITY OF NY; FINANCE ADMIN OF CITY O to THE CITY O FNEW YORK; CITY OF NEW YORK; THE CITY OF NE WYORK; CITY OF NEW YORK; THE CITY
1969
1969-07-31Mortgage — from STANLEY WILLIAM P; STANLEY KATHERINE to MUNICIPAL CREDIT UNION

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