What the listing does not show
809a Greene Avenue #HSE
in 809a Greene AvenueBrooklyn, NY 11221Two-family houseModerate risk(partial records)
Listed at $1,600,000. The listing does not mention what city records show: 14 open housing violations. Read them before you offer, and be ready to explain them if you are selling.
- Asking
- $1,600,000
- Beds
- 5 beds
- Baths
- 4 baths
- Size
- 3,016 ft²
- Building
- Two-family house
- Built
- 1899
- Open housing violations
- 14
- Immediately hazardous
- 1
- Unused residential floor area
- 335 ft²
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.
- 011 open Class C (immediately hazardous) housing violation a buyer can raise, and a seller should be ready to explain.
- 02No Buildings Department file matched this address.
- 03The required housing registration expired more than a year ago.
02 / Building
The building
City records for 809a Greene Avenue, the building this listing is in. Department of Finance class B3: Two-family house.
- Type
- Two-family house
- Year built
- 1899
- Floors
- 3
- Units
- 22 residential
- Building area
- 3,016 ft²
- Residential / commercial
- 2,262 / 0 ft²
- Lot
- 1,675 ft²16.75 × 100 ft
- Assessed value
- $94,380Tax assessment, not market value
- Assessed land
- $20,820
- Tax exemption
- None
03 / Zoning
What the lot allows
Zoned R6B. Floor area ratio is how much building the lot can legally hold. Listings rarely spell this out.
Unused residential floor area
335ft²
Built at 90% of allowed
Zoning would still allow this much more housing on the lot.
- Commercial FAR allowed
- 0.00
- Community facility FAR
- 2.00
- Affordable housing bonus FAR
- 2.40
- Zoning district
- R6B
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)
14
open violations
1 immediately hazardous, 0 hazardous, 11 non-hazardous, 2 informational.
Registration expired, ended Sep 30, 2024. Owner state NY.
Buildings (DOB)
—
no file
No Buildings Department file matched this address.
Penalties (ECB)
—
no file
Penalties are listed with the Buildings file, which is missing here.
05 / Full report
Not on the listing
How many documents and sales the city has on file for this building.
5 recorded documents · 0 sales of $10,000 or more · Last sale none · Last mortgage none
06 / FAQ
Questions
How many open violations does 809a Greene Avenue #HSE have?
As of Oct 6, 2026, the building at 809a Greene Avenue has 14 open HPD violations (1 Class C, 0 Class B, 11 Class A, 2 Class I). These are building records, so they apply to this listing.
What is the zoning of 809a Greene Avenue #HSE?
The lot is zoned R6B. The building is built at a floor area ratio of 1.80 against 2.00 allowed for residential use, leaving about 335 ft² of unused residential floor area.
Is this property in a flood zone?
No. The lot is not inside a FEMA 100-year flood zone on the 2007 or 2015 maps.
Does a missing city file mean the building is clear?
No. A missing file means the city has no record matched to this address, not that the building has no problems. Condominiums and small buildings often sit outside the housing registry. Ask the seller or the managing agent directly.
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.