1,243 recorded events, 1900–2026, from 18 city data systems. The city's paper trail here is mostly 557 HPD complaints, 407 311 service requests, 82 HPD housing violations.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. More recorded distress than 51% of 25-99-unit residential buildings citywide. The citywide median for 25-99-unit residential buildings is 23.6 penalty points per 10 units; this building carries 24.7. In ZIP 11226, 60% of residential buildings hold an A and 10% grade D or F. How grades work
Among 17,252 25-99-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 6 total — 4 class C (immediately hazardous), 2 class B, 0 class A. Oldest open since 2016-11-29. |
status snapshot refreshed weekly from HPD records
60 heat or hot-water complaints in the last three years (winter 2023–24: 16 · winter 2024–25: 34 · winter 2025–26: 10). Repeated winter clusters suggest a chronic heating problem.
2 bedbug-infested unit(s) reported in filings over the last three years.
$625 in enforcement penalties imposed (ECB/OATH) in the last three years.
60 service requests in the last three years. Most common: HEAT/HOT WATER (30) · Noise (12) · Elevator (3) · Derelict Vehicles (2) · PLUMBING (2) · Lead (1).
$729,490 in permitted construction work filed since 2016 (12 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.
| Yes | Built before 1974 (1962) |
| Yes | Six or more residential units (56) |
| No | 421-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 owner(s) | 30 MARTENSE LLC |
| Head officer | MEHMET KALKAN |
| Managing agent | DSJ MANAGEMENT |
| Last registered | 2025-08-14 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $4,567,000 | $2,055,150 |
| 2026 | $4,623,000 | $2,080,350 |
| 2027 | $4,334,000 | $1,950,300 |
The city's market estimate has fallen 5% between tax years 2025 and 2027.
| Energy grade (LL33) | C — ENERGY STAR score 69/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| Facade (Local Law 11) | SWARMP — "Safe With A Repair and Maintenance Program": known facade conditions that must be repaired (cycle 9) |
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.
| Subway | Church Av — B Q · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Flatbush Av / Church Av — B41 · 200 ft |
| Citi Bike | E 21 St & Church Ave · 650 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: Norma Adams Clemons Academy Middle: M.S. 246 Walt Whitman. 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.
22 Martense Street
| Heat or hot water | Heat or hot water |
| Apartment maintenance | Apartment maintenance |
| Bed bugs | Bed bugs |
| Residential pests | Residential pests |
| Rats or mice | Rats or mice |
| Anything else | Anything else |
60 311 service requests from this address in the last three years — 30 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.
Managed by DSJ MANAGEMENT — 22 buildings, 1,600 units. Grades across the portfolio: A14 · B6 · C2. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 2525 Nostrand Avenue | BK | 114 | B |
| 657 East 26 Street | BK | 113 | A |
| 2680 East 19 Street | BK | 107 | A |
| 3101 Ocean Parkway | BK | 102 | B |
| 2300 Ocean Avenue | BK | 84 | C |
| 135 Prospect Park SW | BK | 84 | A |
| 3115 Brighton 6 Street | BK | 82 | A |
| 364 93 Street | BK | 81 | A |
| 145 95 Street | BK | 74 | A |
| 50 East 18 Street | BK | 73 | C |
| 255 79 Street | BK | 72 | A |
| 20 East 18 Street | BK | 71 | B |
| 7119 Shore Road | BK | 65 | A |
| 1543 West 1 Street | BK | 59 | B |
| 7825 4 Avenue | BK | 59 | A |
| 720 East 32 Street | BK | 57 | A |
| 740 East 32 Street | BK | 57 | A |
| 22 Martense Street | BK | 56 | A |
| 166 Seeley Street | BK | 55 | A |
| 7101 Shore Road | BK | 53 | A |
| 70 Linden Boulevard | BK | 41 | B |
| 75 Martense Street | BK | 41 | B |
Most recent mortgage recorded against this lot: $4,076,517 on 2019-07-10 (lender: Greystone Servicing Company LLC). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2019-07-10 | Mortgage $4,076,518 — from 30 MARTENSE LLC to GREYSTONE SERVICING COMPANY LLC | $4,076,518 | |
| 2019-07-10 | Agreement $5,500,000 — from 30 MARTENSE LLC to GREYSTONE SERVICING COMPANY LLC | $5,500,000 | |
| 2010-09-01 | Agreement $1,700,000 — from 30 MARTENSE LLC to SOVEREIGN BANK | $1,700,000 | |
| 2010-09-01 | Mortgage $37,676 — from 30 MARTENSE LLC to SOVEREIGN BANK | $37,676 | |
| 2004-01-08 | AL&R $1,885,000 — from 30 MARTENSE LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $1,885,000 | |
| 2004-01-08 | Mortgage $490,352 — from 30 MARTENSE LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $490,352 | |
| 2000-01-27 | Mortgage $475,693 — from 30 MARTENSE LLC to NORTH FORK BANK | $475,693 | |
| 1996-09-09 | Mortgage $1,000,000 — from 30 MARTENSE LLC to HOME FEDERAL SAVINGSBANK | $1,000,000 | |
| 1988-03-01 | Mortgage $1,000,000 — from 30 MARTENSE ST RLTYCORP to CROSSLAND SAVS FSB | $1,000,000 | |
| 1988-03-01 | Mortgage $125,000 — from 30 MARTENSE ST RLTYCORP to FATHER &SON MGMT INC | $125,000 | |
| 1986-06-06 | Mortgage $50,000 — from PONCE, MIGUEL A to PAREDES, VICTO; MELENDEZ, BLANCA | $50,000 | |
| 1985-10-04 | Mortgage $50,000 — from FATHER & SON MGMT INC to EAGLE SA FUNDING COMPANY | $50,000 | |
| 1983-03-07 | Mortgage $10,000 — from FATHER & SON MGMT INC to COOPER, SAMUEL G | $10,000 | |
| 1983-03-02 | Mortgage $50,000 — from FATHER & SON MGMT INC to WEINGARTEN, PETER L | $50,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 5 | 6 | 66 | 0 | 0 | 77 |
| 2018 | 2 | 2 | 22 | 0 | 2 | 28 |
| 2019 | 0 | 7 | 18 | 4 | 2 | 31 |
| 2020 | 0 | 1 | 10 | 0 | 1 | 12 |
| 2021 | 2 | 5 | 50 | 0 | 1 | 58 |
| 2022 | 0 | 5 | 67 | 0 | 2 | 74 |
| 2023 | 0 | 3 | 55 | 0 | 1 | 59 |
| 2024 | 1 | 2 | 46 | 0 | 1 | 50 |
| 2025 | 5 | 3 | 33 | 0 | 2 | 43 |
| 2026 | 5 | 1 | 26 | 0 | 2 | 34 |
Every one of the 1,243 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11226 · Landlord rankings · How grades work · The map · The Mice Map