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21 Polhemus Place

95Records
11City systems
0Open violations
5.7Penalty rate
Brooklyn · ZIP 11215 · Neighborhood: Park Slope
Open in the map

95 recorded events, 1968–2026, from 11 city data systems. The city's paper trail here is mostly 25 ACRIS deeds & mortgages, 25 311 service requests, 12 DOB permits.

BoroughBrooklyn 11215
Built1898
Floors3
Res. units7
ClassC1
Owner (PLUTO)21 POLHEMUS FEE OWNER LLC
BBL3010700005
BIN3024890

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 71% 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 5.7. In ZIP 11215, 70% of residential buildings hold an A and 4% 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

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.

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

What 311 hears from this address

4 service requests in the last three years. Most common: Damaged Tree (1) · Snow or Ice (1) · Homeless Person Assistance (1) · Curb Condition (1).

Filed construction activity

$1,344,000 in permitted construction work filed since 2016 (3 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 (1898)
YesSix or more residential units (7)
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)21 POLHEMUS FEE OWNER LLC
Head officerADAM JERNOW
Managing agentWAYFINDERPM LLC
Last registered2025-09-19

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$2,083,000 $937,350
2026$2,220,000 $999,000
2027$2,513,000 $1,130,850

The city's market estimate has risen 21% 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

SubwayGrand Army Plaza — 2 3 · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: none
7 Av — B Q · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none
BusNearest boarding stop: 7 Av / Garfield Pl — B67 B69 · 300 ft
Citi BikeGarfield Pl & 8 Ave · 450 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 321 William Penn. 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

21 Polhemus Place

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

4 311 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 WAYFINDERPM LLC — 22 buildings, 245 units. Grades across the portfolio: A8 · B7 · C4 · D2 · F1. See the whole portfolio

BuildingBoroughUnitsGrade
15 West 75 Street MN42 C
25 Leroy Street MN20 A
308 West 21 Street MN19 B
372 St Johns Place BK16 B
331 East 92 Street MN16 A
151 8 Avenue MN16 B
333 East 92 Street MN16 A
105 Chambers Street MN11 B
122 West 71 Street MN10 C
47 West 74 Street MN10 B
117 West 21 Street MN9 A
532 West 114 Street MN8 A
9 Charlton Street MN8 B
135 West 82 Street MN8 A
21 Polhemus Place BK7 A
242 West 56 Street MN6 C
62 Orchard Street MN5 D
462 Greenwich Street MN4 A
97 Franklin Street MN4 D
323 East 52nd Street MN4 B
85 Waverly Avenue BK3 F
222 East 81st Street MN3 C

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $1,725,000 on 2021-01-25 (lender: Ponce Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2022-11-25AL&R $2,800,000 — from 21 POLHEMUS FEE OWNER LLC to SIGNATURE BANK $2,800,000
2022-11-25Agreement $2,800,000 — from 21 POLHEMUS FEE OWNER LLC to SIGNATURE BANK $2,800,000
2022-11-25Mortgage $1,134,850 — from 21 POLHEMUS FEE OWNER LLC to SIGNATURE BANK $1,134,850
2021-01-25Mortgage $1,725,000 — from 21 POLHEMUS FEE OWNER LLC to PONCE BANK $1,725,000
2021-01-25Deed $2,300,000 — from PRIZEMAN, JOHN; PRIZEMAN, DIANA SHELLEY to 21 POLHEMUS FEE OWNER LLC $2,300,000
2021-01-25AL&R $1,725,000 — from 21 POLHEMUS FEE OWNER LLC to PONCE BANK $1,725,000
2020-12-01Sold for $2,300,000 $2,300,000 $328,571
1994-11-18Mortgage $210,000 — from PRIZEMAN, JOHN A; PRIZEMAN, DIANA SHELLEY to INDEPENDENCE SAVINGSBANK $210,000

Ten-year activity

50250
2017
2018
2019
2020
22
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017012003
2018001023
2019003014
2020004116
20219364022
20225355018
2023024006
2024011406
2025014005
2026000202
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The full timeline

Construction 15Enforcement 16Housing & tenants 34Ownership & money 26Health & systems 4

Every one of the 95 recorded events, 1968–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11215 · Landlord rankings · How grades work · The map · The Mice Map