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18 Sixth Ave

1,049Records
9City systems
0Open violations
1.7Penalty rate
Brooklyn · ZIP 11217 · Neighborhood: Park Slope
Open in the map

1,049 recorded events, 2019–2026, from 9 city data systems. The city's paper trail here is mostly 943 311 service requests, 25 ACRIS deeds & mortgages, 24 HPD complaints.

BoroughBrooklyn 11217
Built2019
Floors49
Res. units858
ClassRM
Owner (PLUTO)18 SIXTH AVENUE OWNER LLC
BBL3011187502
BIN3423479, 3423480, 3423481

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. Less recorded distress than 64% of 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 1.7. In ZIP 11217, 60% of residential buildings hold an A and 6% grade D or F. How grades work

this building
A
B
C

Among 4,677 100+-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Pending HPD litigation1 case(s) pending in housing court

status snapshot refreshed weekly from HPD records

Patterns

12 heat or hot-water complaints in the last three years (winter 2024–25: 6 · winter 2025–26: 4). Repeated winter clusters suggest a chronic heating problem.

6
’24–25
4
’25–26

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

What 311 hears from this address

943 service requests in the last three years. Most common: Noise (442) · Illegal Parking (412) · Smoking or Vaping (27) · Abandoned Vehicle (6) · HEAT/HOT WATER (6) · DOOR/WINDOW (5).

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

NoBuilt before 1974 (2019)
YesSix or more residential units (858)
Yes421-a / J-51 tax benefit on the current tax roll

2 of 3 signals present. Buildings receiving 421-a or J-51 benefits are generally required to register their units as rent-stabilized for the duration of the benefit. 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)18 SIXTH AVENUE OWNERS, LLC
Head officerRICHARD F MASON
Managing agentURBAN ASSOCIATES, LLC.
Last registered2025-10-20

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$184,154,749 $82,869,637
2026$172,397,447 $77,578,851
2027$237,336,447 $106,801,401

The city's market estimate has risen 29% between tax years 2025 and 2027.

Tax exemptions on the roll: 421A 35 YR

Restaurants in this building

RestaurantCuisineGradeNotes
Life CafeJuice, Smoothies, Fruit SaladsA—

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

SubwayBergen St — 2 3 · 700 ft straight-line (about a 3-minute walk) · station accessibility: none
Atlantic Av-Barclays Ctr — 2 3 4 5 B D N Q R · 700 ft straight-line (about a 3-minute walk) · station accessibility: full
BusNearest boarding stop: Atlantic Av / South Portland Av — B45 · 200 ft
Citi BikeAtlantic Ave & Fort Greene Pl · 700 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 011 Purvis J. Behan. 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

18 Sixth Ave

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

943 311 service requests from this address in the last three years — 6 of them about heat or hot water.

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 URBAN ASSOCIATES LLC — 46 buildings, 7,756 units. Grades across the portfolio: A42 · B2. See the whole portfolio

BuildingBoroughUnitsGrade
75 West End Avenue MN973 A
18 Sixth Ave BK858 A
400 West 59 Street MN729 A
124 West 60 Street MN498 A
40 Morningside Drive MN430 A
2 Amsterdam Avenue MN381 A
499 President Street BK350 A
1150 Madison Avenue MN343 A
310 East 44 Street MN324 A
662 Pacific Street BK312 A
307 East 44 Street MN312 A
160 West 71 Street MN302 A
420 West 42 Street MN264 A
208 West 23 Street MN262 A
253 West 72 Street MN259 A
360 West 43 Street MN256 A
19 West 69 Street MN83 A
165 East 118 Street MN78 A
433 West 21 Street MN69 B
175 2 Avenue MN56 A
4 West 21 Street MN54 A
177 9 Avenue MN54 A
30 Greenwich Avenue MN49 A
82 Jane Street MN49 A
19 Grove Street MN39 A
60 Leroy Street MN37 A
420 West 20 Street MN37 A
48 Greenwich Avenue MN35 A
236 West 4 Street MN32 A
213 West 13 Street MN24 A
140 Waverly Place MN23 A
168 East 81 Street MN21 A
445 West 20 Street MN21 A
148 West 10 Street MN20 B
1424 3 Avenue MN20 A
7 Morton Street MN20 A
323 West 4 Street MN19 A
1422 3 Avenue MN16 A
20 Cornelia Street MN16 A
1420 3 Avenue MN8 A
400 Bleecker Street MN8 A
26 Greenwich Avenue MN6 A
231 West 13 Street MN6 A
233 West 13 Street MN3 A
925 9 Avenue MN0 —
3001491007 — —

Sales, deeds & mortgages

DateRecordAmountPer res. unit
2024-04-01Agreement $414,829,000 — from 18 SIXTH AVENUE OWNER LLC to M&T REALTY CAPITAL CORPORATION $414,829,000
2024-04-01Agreement $414,829,000 — from 18 SIXTH AVENUE OWNER LLC to M&T REALTY CAPITAL CORPORATION $414,829,000
2024-04-01Agreement $414,829,000 — from 18 SIXTH AVENUE OWNER LLC to M&T REALTY CAPITAL CORPORATION $414,829,000

Ten-year activity

1,0005000
2017
2018
2019
2020
2021
2022
2023
2024
685
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017000000
2018000000
2019600006
2020500005
2021200002
20224700011
2023042006
202403195192219
20250067861685
20260011500115
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The full timeline

Construction 17Enforcement 14Housing & tenants 990Ownership & money 25Health & systems 3

Every one of the 1,049 recorded events, 2019–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11217 · Landlord rankings · How grades work · The map · The Mice Map