Building report

803 Knickerbocker Avenue · Brooklyn · BBL 3034130005 · 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

572 heat or hot-water complaints in the last three years (winter 2023–24: 291 · winter 2024–25: 204 · winter 2025–26: 53). Repeated winter clusters suggest a chronic heating problem.

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

What 311 hears from this address

336 service requests in the last three years. Most common: HEAT/HOT WATER (278) · UNSANITARY CONDITION (13) · Noise (10) · PLUMBING (8) · Smoking (5) · Smoking or Vaping (4).

Filed construction activity

$7,500 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).

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 fallen 6% between tax years 2025 and 2027.

Tax exemptions on the roll: 420C

Building systems

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.

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.

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

803 Knickerbocker Avenue Copy address

336 311 service requests from this address in the last three years — 278 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 RISEBORO COMMUNITY PARTNERSHIP — 141 buildings, 2,793 units. Grades across the portfolio: A30 · B43 · C30 · D28 · F8. See the whole portfolio

showing 60 of 141 buildings

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $1,393,550 on 2015-07-30 (lender: Housing Trust Fund Corporation). 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	2	1	8	0	0	11
2018	0	3	13	0	4	20
2019	0	0	4	0	4	8
2020	0	4	7	0	2	13
2021	0	7	37	0	2	46
2022	0	4	5	0	3	12
2023	0	3	112	0	2	117
2024	0	0	392	1	3	396
2025	0	2	111	0	3	116
2026	0	0	85	0	1	86

The last 12 months — 102 records

showing the 80 most recent

The full timeline

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