464 recorded events, 2008–2026, from 16 city data systems. The city's paper trail here is mostly 156 311 service requests, 151 ACRIS deeds & mortgages, 36 DOF property sales.
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 70% 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 6.1. In ZIP 11215, 70% of residential buildings hold an A and 4% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
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.
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
103 service requests in the last three years. Most common: Illegal Parking (77) · Blocked Driveway (19) · Noise (3) · Non (2) · Rodent (1) · Homeless Person Assistance (1).
$205,700 in permitted construction work filed since 2016 (14 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.
| No | Built before 1974 |
| Yes | Six or more residential units (14) |
| No | 421-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 owner(s) | 670 Union Street |
| Head officer | Ben Barel |
| Managing agent | Monarch Realty Group |
| Last registered | 2025-06-26 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $588,506 | $264,827 |
| 2026 | $657,647 | $295,941 |
| 2027 | $621,111 | $279,500 |
The city's market estimate has risen 6% between tax years 2025 and 2027.
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2023 estimate: gross income $1,014,748 a year ($39.31 per sq ft), operating expenses $253,752 ($9.83 per sq ft), net operating income $760,997. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
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.
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 | Union St — R · 500 ft straight-line (about a 2-minute walk) · station accessibility: none Bergen St — 2 3 · 0.4 mi straight-line (about an 11-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 5 Av / Union St — B63 · 250 ft |
| Citi Bike | Union St & 4 Ave · 450 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.
670 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 |
103 311 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.
Managed by MONARCH REALTY GROUP — 33 buildings, 915 units. Grades across the portfolio: A30 · B2 · D1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 323 Bergen Street | BK | 105 | A |
| 58 Saint Marks Place | BK | 100 | A |
| 475 Washington Avenue | BK | 60 | A |
| 250 East 21st Street | MN | 54 | A |
| 510 Driggs Avenue | BK | 44 | A |
| 165 Lexington Avenue | MN | 43 | A |
| 546 Atlantic Avenue | BK | 41 | A |
| 79 Bridge Street | BK | 37 | A |
| 350 Butler Street | BK | 34 | A |
| 524 Halsey Street | BK | 31 | A |
| 206 Front Street | BK | 31 | A |
| 1409 Albemarle Road | BK | 29 | A |
| 11-32 31st Avenue | QN | 29 | A |
| 47 Bridge Street | BK | 25 | A |
| 251 West 14th Street | MN | 25 | A |
| 173 McGuinness Boulevard | BK | 24 | A |
| 19 Park Place | MN | 24 | A |
| 30 Bushwick Avenue | BK | 22 | A |
| 67 Livingston Street | BK | 22 | A |
| 22 Renwick Street | MN | 17 | A |
| 199 Chrystie Street | MN | 14 | A |
| 670 Union Street | BK | 14 | A |
| 346 Avenue U | BK | 12 | A |
| 1573 3 Avenue | MN | 11 | A |
| 169 Huron Street | BK | 10 | A |
| 14 Second Avenue | MN | 10 | A |
| 186 Huron Street | BK | 10 | A |
| 27 Wyckoff Street | BK | 9 | A |
| 1571 3 Avenue | MN | 9 | B |
| 78 1st Place | BK | 6 | A |
| 76 1st Place | BK | 5 | D |
| 304 Canal Street | MN | 4 | A |
| 657 Baltic Street | BK | 4 | B |
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-04-22 | Mortgage $1,925,000 — from NIERENBERG, THALIA to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS | $1,925,000 | |
| 2026-04-22 | Deed $3,850,000 — from BAROODY, ANNA SOPHIA; VALLANCE, JAMES ANDRE to NIERENBERG, THALIA | $3,850,000 | |
| 2026-04-22 | Mortgage $1,925,000 — from NIERENBERG, THALIA to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS | $1,925,000 | |
| 2026-04-22 | Deed $3,850,000 — from BAROODY, ANNA SOPHIA; VALLANCE, JAMES ANDRE to NIERENBERG, THALIA | $3,850,000 | |
| 2026-04-17 | Sold for $3,850,000 | $3,850,000 | $275,000 |
| 2026-04-17 | Sold for $3,850,000 | $3,850,000 | $275,000 |
| 2026-02-03 | Deed $2,425,000 — from HASTINGS, TYLER to YOU, SHAWN; PARK, JIYEON | $2,425,000 | |
| 2026-02-03 | Deed $2,425,000 — from HASTINGS, TYLER to YOU, SHAWN; PARK, JIYEON | $2,425,000 | |
| 2026-01-08 | Sold for $2,425,000 | $2,425,000 | $173,214 |
| 2026-01-08 | Sold for $2,425,000 | $2,425,000 | $173,214 |
| 2025-01-31 | Mortgage $50,000 — from LEWIS, MICHAEL to BETTER MORTGAGE CORPORATION; MORTGAGE ELECTRONIC REGISTRATION SYSTEM, | $50,000 | |
| 2023-01-17 | Deed $1,013,159 — from 668-670 UNION ST LLC to NELSON, MITCHELL ERIC; NELSON, GLORIA LIN | $1,013,159 | |
| 2023-01-17 | Mortgage $500,000 — from NELSON, MITCHELL ERIC; NELSON, GLORIA LIN to PONCE BANK | $500,000 | |
| 2023-01-10 | Sold for $1,013,159 | $1,013,159 | $72,369 |
| 2022-12-19 | Deed $3,215,362 — from 668-670 UNION ST LLC to VALLANCE, JAMES ANDRE; BAROODY, ANNA SOPHIA | $3,215,363 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 0 | 1 | 4 | 5 |
| 2018 | 6 | 0 | 0 | 0 | 0 | 6 |
| 2019 | 12 | 0 | 0 | 0 | 4 | 16 |
| 2020 | 16 | 2 | 0 | 0 | 0 | 18 |
| 2021 | 18 | 16 | 0 | 0 | 2 | 36 |
| 2022 | 6 | 13 | 0 | 140 | 1 | 160 |
| 2023 | 3 | 5 | 62 | 9 | 0 | 79 |
| 2024 | 0 | 0 | 46 | 8 | 0 | 54 |
| 2025 | 0 | 0 | 33 | 7 | 0 | 40 |
| 2026 | 0 | 0 | 21 | 22 | 1 | 44 |
Every one of the 464 recorded events, 2008–2026, 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