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412 Myrtle Avenue

434Records
15City systems
2Open violations
5Penalty rate
Brooklyn · ZIP 11205 · Neighborhood: Clinton Hill
Open in the map

434 recorded events, 1981–2026, from 15 city data systems. The city's paper trail here is mostly 240 HPD complaints, 114 311 service requests, 23 ACRIS deeds & mortgages.

BoroughBrooklyn 11205
Built1905
Floors4
Res. units6
ClassC4
Owner (PLUTO)WILLIAM COSGRIFF, LLC
BBL3019010026
BIN3054791

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 75% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 5. In ZIP 11205, 49% of residential buildings hold an A and 13% grade D or F. How grades work

this building
A
B
C

Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations2 total — 0 class C (immediately hazardous), 2 class B, 0 class A. Oldest open since 2014-01-06.

status snapshot refreshed weekly from HPD records

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

8 service requests in the last three years. Most common: Noise (5) · Illegal Parking (2) · Graffiti (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 (1905)
YesSix or more residential units (6)
No421-a / J-51 tax benefit on the current tax roll

2 of 3 signals present. This is the classic profile of a rent-stabilized building (pre-1974, 6+ units) — many units in such buildings remain stabilized. 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)COMMON SENSE PROPERTIES LLC
Head officerBILL COSGRIFF
Managing agentGUARDIAN PROPERTY MGMNT
Last registered2025-09-06

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$1,597,200 $718,740
2026$1,917,000 $862,650
2027$2,300,000 $1,035,000

The city's market estimate has risen 44% between tax years 2025 and 2027.

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

SubwayClinton-Washington Avs — G · 0.3 mi straight-line (about a 9-minute walk) · station accessibility: none
BusNearest boarding stop: Myrtle Av / Vanderbilt Av — B54 · 50 ft
Citi BikeClinton Ave & Myrtle Ave · 150 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 020 Clinton Hill. 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

412 Myrtle Avenue

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

8 311 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 GUARDIAN PROPERTY MGMNT — 49 buildings, 382 units. Grades across the portfolio: A39 · B5 · C4 · D1. See the whole portfolio

BuildingBoroughUnitsGrade
1206 Pacific Street BK32 A
34 Eckford Street BK24 A
1000 Union Street BK20 A
1126 Lafayette Avenue BK18 A
60 92nd Street BK14 A
340 Chauncey Street BK13 A
180 South 4 Street BK12 A
411 Clinton Street BK10 B
159 Tompkins Avenue BK10 A
1431 Bedford Avenue BK10 A
176 South 4 Street BK9 A
85 Hudson Avenue BK9 A
1440 West 4 Street BK8 A
816 8 Avenue BK8 A
587 Kings Highway BK8 A
709 Carroll Street BK8 A
548 Lafayette Avenue BK8 A
563 56 Street BK8 A
655 Franklin Avenue BK8 A
161 12th Street BK8 A
548 46 Street BK8 A
1019 President Street BK8 A
564 Atlantic Avenue BK7 A
227 34 Street BK7 A
412 3 Street BK7 A
562 Atlantic Avenue BK7 B
175 12 Street BK7 A
412 Myrtle Avenue BK6 A
245 16 Street BK6 A
225 15 Street BK6 A
457 7 Avenue BK6 A
557 Lafayette Avenue BK6 A
330 Park Place BK5 A
554 17 Street BK5 A
202 Lincoln Place BK5 B
403 Sterling Place BK4 C
446 8 Street BK4 B
444 5 Street BK4 A
155 7 Avenue BK4 A
372 7 Avenue BK3 A
421 42 Street BK3 A
1626 8 Avenue BK3 C
573 Leonard Street BK3 C
446 6 Avenue BK3 A
428 10 Street BK2 A
221 61 Street BK2 C
590 5 Avenue BK2 D
409 17 Street BK2 B
212 Court Street BK2 A

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $168,236 on 2025-08-14 (lender: Spencer Savings Bank, Sla). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2025-08-14AL&R $1,400,000 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to SPENCER SAVINGS BANK, SLA $1,400,000
2025-08-14Agreement $1,400,000 — from WILLIAM COSGRIFF, LLC; COMMON SENSE PROPERTIES, LLC to SPENCER SAVINGS BANK, SLA $1,400,000
2025-08-14Mortgage $168,236 — from WILLIAM COSGRIFF, LLC; COMMON SENSE PROPERTIES, LLC to SPENCER SAVINGS BANK, SLA $168,236
2021-12-23AL&R $1,375,000 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to SOENCER SAVINGS BANK, SLA $1,375,000
2021-12-23Agreement $1,375,000 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to SOENCER SAVINGS BANK, SLA $1,375,000
2021-12-23Mortgage $206,518 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to SOENCER SAVINGS BANK, SLA $206,518
2015-08-18AL&R $1,300,000 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to SPENCER SAVINGS BANK, SLA $1,300,000
2015-08-18Agreement $1,300,000 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to SPENCER SAVINGS BANK, SLA $1,300,000
2015-08-18Mortgage $596,600 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to SPENCER SAVINGS BANK, SLA $596,600
2012-08-03Mortgage $63,329 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to EVERBANK $63,329
2012-08-03AL&R $750,000 — from WILLIAM COSGRIFF, LLC; COMMON SENSE PROPERTIES, LLC to EVERBANK $750,000
2012-08-03Agreement $750,000 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to EVERBANK $750,000
2010-07-29Deed $1,165,000 — from ADAMI, ALBERT to WILLIAM COSGRIFF, LLC; COMMON SENSE PROPERTIES, LLC $1,165,000
2010-07-29Mortgage $700,000 — from COMMON SENSE PROPERTIES, LLC; WILLIAM COSGRIFF, LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH $700,000

Ten-year activity

1050
2017
2018
2019
2020
2021
2022
2023
2024
10
2025
2026
EnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
201705005
201801012
201902013
202004015
202101315
202202013
202314016
202402013
2025063110
202602013
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The full timeline

Construction 15Enforcement 13Housing & tenants 371Ownership & money 23Health & systems 12

Every one of the 434 recorded events, 1981–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11205 · Landlord rankings · How grades work · The map · The Mice Map