Building report

577 Union Avenue · Brooklyn · BBL 3023000018 · generated 2026-10-20 · FREE Print / save PDF

Free while in beta — every NYC building gets a report like this, updated weekly from city records. If it's useful, chip in to keep it free

Where the penalty points come from

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

7 service requests in the last three years. Most common: Missed Collection (3) · Food Establishment (1) · Sewer (1) · General Construction/Plumbing (1) · Noise (1).

Filed construction activity

$80,000 in permitted construction work filed since 2016 (1 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

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).

What the city thinks it's worth

The city's market estimate has risen 66% between tax years 2025 and 2027.

Restaurants in this building

Report to 311: Food poisoning · Food safety complaint

1 restaurant · 0 with mice evidence · See them on the Mice Map

1 Food Establishment complaint to 311 at this address in the last three years (most often: Rodents/Insects/Garbage) · complaints filed by the public; DOHMH investigates, outcomes aren't published.

Flood exposure

Inside the 2007 FEMA floodplain but outside the 2015 preliminary update — worth checking against current FEMA maps.

Hurricane evacuation zone 3 of 6 — zone 1 evacuates first.

Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.

3 street-flooding or sewer-backup complaints at this address since 2010 (1 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.

Getting around

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

577 Union Avenue Copy address

7 311 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.

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $26,000 on 1997-05-05 (lender: Italo-American Federal Credit Union). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

Ten-year activity

Show as table

Year	Construction	Enforcement	Housing & tenants	Ownership & money	Health & systems	Total
2017	0	0	13	0	0	13
2018	0	0	0	0	1	1
2019	0	1	3	0	0	4
2020	0	0	4	2	0	6
2021	0	0	7	0	0	7
2022	0	0	8	0	0	8
2023	0	0	3	0	0	3
2024	0	0	3	2	0	5
2025	0	0	1	0	1	2
2026	1	1	3	0	1	6

The last 12 months — 7 records

The full timeline

Support this site Back to the building page