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231 Dean Street

127Records
12City systems
0Open violations
114Penalty rate

127 recorded events, 1973–2026, from 12 city data systems. The city's paper trail here is mostly 36 311 service requests, 24 HPD complaints, 17 ACRIS deeds & mortgages.

BoroughBrooklyn 11217
Built1853
Floors3
Res. units1
ClassA4
Owner (PLUTO)NFR PARTNERS LLC
BBL3001900046
BIN3001164

Full record, year by year   Support this site

GRADE D

A sustained record of distress well beyond its peers. More recorded distress than 98% 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 114. In ZIP 11217, 60% of residential buildings hold an A and 6% 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

12 heat or hot-water complaints in the last three years (winter 2024–25: 2 · winter 2025–26: 6). Repeated winter clusters suggest a chronic heating problem.

2
’24–25
6
’25–26

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

$12,500 in enforcement penalties imposed (ECB/OATH) in the last three years.

What 311 hears from this address

22 service requests in the last three years. Most common: HEAT/HOT WATER (6) · DOOR/WINDOW (5) · PAINT/PLASTER (3) · PLUMBING (2) · APPLIANCE (2) · Sidewalk Condition (1).

Filed construction activity

$2,693,730 in permitted construction work filed since 2016 (13 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.

Rent-stabilization signals

YesBuilt before 1974 (1853)
NoSix or more residential units (1)
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)RANDOLPH B MARTIN
Managing agentBROWNSTONE MANAGEMENT
Last registered2021-10-22

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$3,936,000 $236,160
2026$4,117,000 $247,020
2027$5,298,000 $317,880

The city's market estimate has risen 35% between tax years 2025 and 2027.

Flood exposure

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

Hurricane evacuation zone 6 of 6 — zone 1 evacuates first.

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

SubwayHoyt-Schermerhorn Sts — A C G · 0.2 mi straight-line (about a 5-minute walk) · station accessibility: none
Nevins St — 2 3 4 5 · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none
BusNearest boarding stop: Atlantic Av / Bond St — B63 B65 · 500 ft
Citi BikePacific St & Nevins St · 400 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 038 The Pacific. 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

231 Dean Street

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Anything elseAnything else

22 311 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 BROWNSTONE MANAGEMENT LLC — 97 buildings, 821 units. Grades across the portfolio: A65 · B12 · C15 · D5. See the whole portfolio

BuildingBoroughUnitsGrade
112 East 2 Street BK114 B
875 St Marks Avenue BK49 A
430 Clinton Avenue BK47 A
627 DeKalb Avenue BK35 A
412 8 Avenue BK32 B
6402 23 Avenue BK32 B
1325 Herkimer Street BK32 A
1 Rockwell Place BK25 A
101 East 2nd Street MN22 A
156 Sackett Street BK20 A
404 8 Avenue BK17 A
207 8 Avenue BK16 A
180 Sterling Place BK16 A
466 15 Street BK16 A
82 Green Street BK16 A
101 Prospect Park SW BK15 A
222 Parkville Avenue BK13 A
91 Diamond Street BK10 A
67 Cambridge Place BK9 B
23 East 69 Street MN9 A
658 Park Place BK9 A
351 South 3 Street BK9 A
136 St Marks Place BK9 A
265 20th Stret BK8 A
100 St Marks Place BK8 B
743 Union Street BK8 A
114 Remsen Street BK7 A
924 Sterling Place BK7 A
1570 Prospect Place BK7 A
8301 5 Avenue BK6 A
399 4 Avenue BK6 A
84 Saratoga Avenue BK6 A
116 Palmetto Street BK6 B
140 5 Avenue BK6 B
149 Bleecker Street BK6 B
401 4 Avenue BK6 A
888 Lorimer Street BK5 A
107 Prospect Park West BK5 A
932 President Street BK5 C
158 Union Street BK4 D
34 Tompkins Place BK4 A
182 13 Street BK4 A
239 Washington Avenue BK4 A
187 7 Avenue BK4 A
71 Pierrepont Street BK4 A
2208 Ditmas Avenue BK3 A
387 Sterling Place BK3 A
678 Sterling Place BK3 A
934 Pacific Street BK3 D
14 Cambridge Place BK3 A
76 North 6th Street BK3 A
69 Clarkson Avenue BK3 A
673 Bergen Street BK3 A
499 Willoughby Avenue BK3 A
334 East 35 Street BK3 D
112 Brooklyn Avenue BK3 C
1351 Bushwick Avenue BK3 A
1552 Pacific Street BK3 A
55-10 111 Street QN3 C
52 Ft Greene Place BK3 C

showing 60 of 97 buildings

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $800,000 on 2026-04-14 (lender: R Four LLC). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2026-04-14Mortgage $800,000 — from NFR PARTNERS LLC to R FOUR LLC $800,000
2026-04-14AL&R $800,000 — from NFR PARTNERS LLC to R FOUR LLC $800,000
2026-04-08Mortgage $2,400,000 — from NFR PARTNERS LLC to R FOUR LLC $2,400,000
2026-04-08Deed $3,625,000 — from BUCKLAND, AARON; YUMUSAKLAR, TIMUR to NFR PARTNERS LLC $3,625,000
2026-04-08AL&R $2,400,000 — from NFR PARTNERS LLC to R FOUR LLC $2,400,000
2026-03-31RETT $375,000 — from FERMOV LLC to NFR PARTNERS LLC $375,000
2026-03-19Sold for $3,625,000 $3,625,000 $3,625,000
2022-02-07Mortgage $2,960,000 — from YUMUSAKLAR, TIMUR; BUCKLAND, AARON to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS $2,960,000
2022-02-07Deed $3,700,000 — from MARTIN DEJESUS IRREVOCABLE TRUST; BRADFORD P. JOHNSON AS TRUSTEE to YUMUSAKLAR, TIMUR; BUCKLAND, AARON $3,700,000
2022-01-18Sold for $3,700,000 $3,700,000 $3,700,000
1994-05-31Mortgage $200,000 — from DE JESUS, LUZ CELENIA; MARTIN, RANDOLPH B to BANCO POPULAR DE PUERTO RICO $200,000

Ten-year activity

100500
2017
2018
2019
2020
2021
2022
2023
2024
2025
61
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017001001
2018002002
2019012003
2020001001
2021004206
20221043210
20239330015
2024302005
20251090010
20261173211061
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The full timeline

Construction 26Enforcement 12Housing & tenants 67Ownership & money 20Health & systems 2

Every one of the 127 recorded events, 1973–2026, 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