Building Biography

The MapLandlordsNeighborhoodsZIP CodesGradesThe Mice MapAboutWhat's new

81 South 6 Street

273Records
10City systems
0Open violations
5Penalty rate
Brooklyn · ZIP 11249 · Neighborhood: Williamsburg
Open in the map

273 recorded events, 1974–2026, from 10 city data systems. The city's paper trail here is mostly 246 311 service requests, 7 bedbug filings, 5 DOB permits.

BoroughBrooklyn 11249
Built1920
Floors3
Res. units2
ClassS2
Owner (PLUTO)AL RIV REALTY CORP
BBL3024560047
BIN3063556

Full record, year by year   Support this site

GRADE A

The city's published records show little recorded distress here in the last three years. More recorded distress than 81% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty points per 10 units; this building carries 5. In ZIP 11249, 60% of residential buildings hold an A and 7% grade D or F. How grades work

this building
A
C

Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.

Patterns

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

1 bedbug-infested unit(s) reported in filings over the last three years.

What 311 hears from this address

44 service requests in the last three years. Most common: Noise (30) · Dirty Condition (5) · Drinking Water (1) · Encampment (1) · Animal (1) · Missed Collection (1).

Filed construction activity

No permitted work with a declared cost filed in the last decade. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.

Rent-stabilization signals

YesBuilt before 1974 (1920)
NoSix or more residential units (2)
No421-a / J-51 tax benefit on the current tax roll

1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).

Registered with HPD — the names behind the building

Registered owner(s)ALRIV REALTY CORP
Head officerLIPA FRIEDMAN
Managing agentHALCYON MANAGEMENT GROUP
Last registered2026-07-10

as filed by the owner in the building's HPD registration

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$849,000 $50,940
2026$1,075,000 $64,500
2027$1,414,000 $84,840

The city's market estimate has risen 67% between tax years 2025 and 2027.

Restaurants in this building

RestaurantCuisineGradeNotes
BembeCaribbeanA—

Report to 311: Food poisoning · Food safety complaint

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

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

SubwayMarcy Av — J M Z · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: full
Bedford Av — L · 0.6 mi straight-line (about a 15-minute walk) · station accessibility: full
BusNearest boarding stop: Broadway / Bedford Av — B32 Q59 · 350 ft
Citi BikeBroadway & Berry St · 250 ft · station location as of 2026-09-23; live availability
Bike facilityShared bike route mapped within 75 ft
School zones (2024–25 map)Elementary: P.S. 084 Jose De Diego. 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

81 South 6 Street

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Food poisoningFood poisoning
Food safety complaintFood safety complaint
Anything elseAnything else

44 311 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.

The landlord's report card

Managed by HALCYON MANAGEMENT GROUP — 12 buildings, 1,285 units. Grades across the portfolio: A11 · B1. See the whole portfolio

BuildingBoroughUnitsGrade
60 Wharf Drive BK554 A
101 Bedford Avenue BK351 A
23 West Street BK216 B
6002 Ft Hamilton Parkway BK92 A
84 Broadway BK20 A
1333 Myrtle Avenue BK16 A
82 Marcy Avenue BK10 A
86 Marcy Avenue BK9 A
1571 51 Street BK8 A
274 South 1 Street BK4 A
86 South 6 Street BK3 A
81 South 6 Street BK2 A

Ten-year activity

100500
53
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Housing & tenantsHealth & systems
Show as table
YearHousing & tenantsHealth & systemsTotal
201751253
201821021
2019303
2020606
2021101
202216016
202313114
202414014
202520020
202612113
This record is free. Keeping it free costs money.
Servers, data pipelines, weekends. Pay what you want — a dollar helps.
Chip in

The full timeline

Construction 7Enforcement 6Housing & tenants 254Ownership & money 2Health & systems 4

Every one of the 273 recorded events, 1974–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11249 · Landlord rankings · How grades work · The map · The Mice Map