What the listing does not show
4050 Nostrand Avenue #1F
in 4050 Nostrand AvenueBrooklyn, NY 11235CondominiumHigh risk
Listed at $429,000. The listing does not mention what city records show: 23 open housing violations, 3 of them immediately hazardous. A buyer can put that on the table before contract. A seller should expect the question.
- Asking
- $429,000
- Beds
- Studio
- Baths
- 1 bath
- Building
- Condominium
- Built
- 1994
- Open housing violations
- 23
- Immediately hazardous
- 3
- Open building violations
- 13
- Unresolved penalties
- 4
01 / Findings
What to ask about
City records a buyer can raise and a seller should be ready to explain. A reading of open filings, not a forecast.
- 013 open Class C (immediately hazardous) housing violations a buyer can raise, and a seller should be ready to explain.
- 0213 open Buildings Department violations, which can slow a closing.
- 034 unresolved penalties (1 hazardous) that can follow the property into the sale.
- 04The required housing registration expired more than a year ago.
- 05Inside a FEMA 100-year flood zone, which can change insurance and what a lender will accept.
02 / Building
The building
City records for 4050 Nostrand Avenue, the building this listing is in. Department of Finance class RM: Condominium.
- Type
- Condominium
- Year built
- 1994
- Floors
- 5
- Units
- 2825 residential
- Building area
- 19,719 ft²
- Residential / commercial
- 17,076 / 2,643 ft²
- Lot
- 14,893 ft²208 × 193 ft
- Assessed value
- $954,002Tax assessment, not market value
- Assessed land
- $111,150
- Tax exemption
- $30,888
04 / Checked
What was checked
A zero means the file exists and is clear. A dash means the city has no file for this address, which is not the same thing.
Housing (HPD)
23
open violations
3 immediately hazardous, 5 hazardous, 14 non-hazardous, 1 informational.
Registration expired, ended Sep 1, 2025. Owner state NY.
Buildings (DOB)
13
open violations
13 safety-related. Most recent open filing Nov 14, 2025.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
4
unresolved
1 hazardous. $5,145 imposed, last issued Jun 22, 2020.
05 / Full report
Not on the listing
How many documents and sales the city has on file for this building.
Condominium sales are recorded unit by unit, so deeds and mortgages are not combined for the whole building.
Same building
Other listings at 4050 Nostrand Avenue
06 / FAQ
Questions
How many open violations does 4050 Nostrand Avenue #1F have?
As of Oct 6, 2026, the building at 4050 Nostrand Avenue has 23 open HPD violations (3 Class C, 5 Class B, 14 Class A, 1 Class I), 13 open DOB violations, 4 unresolved ECB penalties. These are building records, so they apply to this listing.
Is this property in a flood zone?
Yes. The lot falls inside a FEMA 100-year flood zone on at least one of the 2007 or 2015 maps, which can affect insurance cost and lender requirements.
Where does this data come from?
Records are combined from NYC DCP PLUTO (tax lot, zoning, FAR); NYC HPD (housing violations and registrations); NYC DOB and ECB (building violations and penalties); NYC ACRIS (recorded deeds, mortgages and satisfactions); Active for-sale listings. PLUTO version 26v2.
Sources
NYC DCP PLUTO (tax lot, zoning, FAR) · NYC HPD (housing violations and registrations) · NYC DOB and ECB (building violations and penalties) · NYC ACRIS (recorded deeds, mortgages and satisfactions) · Active for-sale listings
PLUTO 26v2, refreshed Oct 6, 2026. Written for people buying or selling this property. Not legal, tax, or appraisal advice. Confirm the details with the city before you offer or list.