Building report

633-639 DeKalb Avenue · Brooklyn · BBL 3017740077 · generated 2026-10-20 · FREE Print / save PDF

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Where the penalty points come from

Open with the city right now

status snapshot refreshed weekly from HPD records

Patterns

16 heat or hot-water complaints in the last three years (winter 2026–27: 4).

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

$5,000 in enforcement penalties imposed (ECB/OATH) in the last three years.

What 311 hears from this address

20 service requests in the last three years. Most common: HEAT/HOT WATER (8) · Noise (4) · Illegal Parking (3) · Emergency Response Team (ERT) (1) · General Construction/Plumbing (1) · Sewer (1).

Filed construction activity

$598,236 in permitted construction work filed since 2016 (16 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).

Registered with HPD — the names behind the building

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

What the city thinks it's worth

The city's market estimate has risen 398% between tax years 2025 and 2027.

Tax exemptions on the roll: 420C

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.

1 street-flooding or sewer-backup complaints at this address since 2025 (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

633-639 DeKalb Avenue Copy address

20 311 service requests from this address in the last three years — 8 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.

The landlord's report card

Managed by ST. NICKS ALLIANCE — 108 buildings, 1,556 units. Grades across the portfolio: A34 · B34 · C20 · D18 · F1. See the whole portfolio

showing 60 of 108 buildings

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $1,223,232 on 2023-07-25 (lender: St. Kings Alliance Corp.), covering 3 lots — the amount covers all of them. 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	0	0	8	8
2018	0	0	0	0	8	8
2019	0	0	0	0	8	8
2020	4	0	3	0	5	12
2021	8	0	1	0	4	13
2022	0	0	7	0	9	16
2023	17	3	13	20	13	66
2024	29	3	4	0	10	46
2025	16	1	2	0	8	27
2026	5	0	28	0	2	35

The last 12 months — 37 records

The full timeline

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