794 recorded events, 1988–2026, from 17 city data systems. The city's paper trail here is mostly 510 ACRIS deeds & mortgages, 143 311 service requests, 23 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. Less recorded distress than 72% 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 5.7. In ZIP 11215, 70% of residential buildings hold an A and 4% 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 | 7 total — 3 class C (immediately hazardous), 2 class B, 2 class A. Oldest open since 1991-01-14. |
status snapshot refreshed weekly from HPD records
10 heat or hot-water complaints in the last three years (winter 2023–24: 4 · winter 2025–26: 6). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
40 service requests in the last three years. Most common: Illegal Parking (11) · Noise (9) · For Hire Vehicle Complaint (6) · HEAT/HOT WATER (5) · General Construction/Plumbing (2) · Lead (2).
$1,794,999 in permitted construction work filed since 2016 (7 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 (1909) |
| Yes | Six or more residential units (30) |
| 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) | MADELINE HOUSE CONDOMINIUM |
| Head officer | ERIC MARTINEZ |
| Managing agent | CONCORD MANAGEMENT OF NY LLC |
| Last registered | 2024-03-28 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $134,933 | $60,720 |
| 2026 | $155,727 | $70,077 |
| 2027 | $161,618 | $72,728 |
The city's market estimate has risen 20% between tax years 2025 and 2027.
Tax exemptions on the roll: DISABLED HOMEOWNER · SENIOR CITIZEN HOMEOWNER
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2023 estimate: gross income $745,858 a year ($36.92 per sq ft), operating expenses $261,010 ($12.92 per sq ft), net operating income $484,848. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NATURALGAS |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 5 of 6 — zone 1 evacuates first.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
1 street-flooding or sewer-backup complaints at this address since 2010 (0 in the last three years).
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | Union St — R · 100 ft straight-line (under a minute) · station accessibility: none Bergen St — 2 3 · 0.5 mi straight-line (about a 12-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 5 Av / Union St — B63 · 650 ft |
| Citi Bike | Union St & 4 Ave · 100 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 282 Park Slope. 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.
630 Union 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 |
40 311 service requests from this address in the last three years — 5 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 CONCORD MANAGEMENT OF NY LLC — 301 buildings, 7,382 units. Grades across the portfolio: A20 · B63 · C84 · D80 · F52. See the whole portfolio
showing 60 of 301 buildings
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-09-12 | Mortgage $498,750 — from LAURA HARRISON, TRUSTEE; LAURA HARRISON REVOCABLE TRUST to MERS INC, AS NOMINEE; CROSSCOUNTRY MORTGAGE, LLC | $498,750 | |
| 2025-09-12 | Deed $534,581 — from ARNER, SOLE HEIR, KEVIN; ARNER, SOLE HEIR, PAUL to LAURA HARRISON REVOCABLE TRUST; LAURA HARRISON, TRUSTEE | $534,581 | |
| 2025-09-05 | Sold for $534,581 | $534,581 | $17,819 |
| 2025-09-05 | Sold for $534,581 | $534,581 | $17,819 |
| 2025-08-22 | Deed $810,000 — from WHEELER, RACHEL; LAM, RACHEL to MEINARDI, CATERINA F | $810,000 | |
| 2025-08-05 | Sold for $810,000 | $810,000 | $27,000 |
| 2025-08-05 | Sold for $810,000 | $810,000 | $27,000 |
| 2024-10-08 | Deed $662,500 — from AGGARWAL, NAVIN; AGGARWAL, MEENAKSHI to AZEZ 630 UNION ST LLC | $662,500 | |
| 2024-10-02 | Sold for $662,500 | $662,500 | $22,083 |
| 2023-09-22 | Mortgage $250,000 — from CHEN, BENJAMIN to JPMORGAN CHASE BANK, N.A. | $250,000 | |
| 2023-09-22 | Deed $660,000 — from KWONG, EVON SIU SIM; KWONG, CONNIE SIU KUEN; HU, WENDIE SIU to CHEN, BENJAMIN | $660,000 | |
| 2023-09-07 | Sold for $660,000 | $660,000 | $22,000 |
| 2022-05-11 | Deed $550,000 — from IRIZARRY, JOSE A to MURPHY, JENNIFER | $550,000 | |
| 2022-05-11 | Mortgage $451,000 — from MURPHY, JENNIFER to MERS | $451,000 | |
| 2022-04-27 | Sold for $550,000 | $550,000 | $18,333 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 8 | 0 | 1 | 9 |
| 2018 | 0 | 0 | 6 | 14 | 3 | 23 |
| 2019 | 0 | 0 | 8 | 0 | 4 | 12 |
| 2020 | 0 | 0 | 9 | 9 | 0 | 18 |
| 2021 | 0 | 3 | 14 | 1 | 1 | 19 |
| 2022 | 10 | 10 | 46 | 6 | 1 | 73 |
| 2023 | 2 | 11 | 26 | 7 | 2 | 48 |
| 2024 | 2 | 1 | 13 | 6 | 2 | 24 |
| 2025 | 0 | 0 | 18 | 15 | 0 | 33 |
| 2026 | 0 | 0 | 10 | 1 | 0 | 11 |
Every one of the 794 recorded events, 1988–2026, 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