What the listing does not show
150 Sixth Avenue
Brooklyn, NY 11217Walk-up apartment buildingLow risk(partial records)
Listed at $3,995,000. The listing does not mention what city records show: 1 open housing violation and 0 open penalties.
- Asking
- $3,995,000
- Beds
- 5 beds
- Baths
- 3.5 baths
- Building
- Walk-up apartment building
- Built
- 1875
- Open housing violations
- 1
- Immediately hazardous
- 0
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 housing violation, none of them immediately hazardous.
- 02No Buildings Department file matched this address.
- 03In the Park Slope Historic District, so exterior changes are restricted.
02 / Building
The building
Department of Finance class C0: Walk-up apartments.
- Type
- Walk-up apartment building
- Year built
- 1875
- Floors
- 3
- Units
- 33 residential
- Building area
- 4,480 ft²
- Residential / commercial
- 3,360 / 0 ft²
- Lot
- 2,200 ft²22 × 100 ft
- Assessed value
- $291,720Tax assessment, not market value
- Assessed land
- $35,340
- 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
0ft²
Built at 102% of allowed
The building already exceeds today's allowed residential floor area.
- Commercial FAR allowed
- 0.00
- Community facility FAR
- 2.00
- Affordable housing bonus FAR
- 2.40
- Zoning district
- R6B
- Park Slope Historic District
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)
1
open violations
0 immediately hazardous, 1 hazardous, 0 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. 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.
24 recorded documents · 0 sales of $10,000 or more · Last sale none · Last mortgage none
06 / FAQ
Questions
How many open violations does 150 Sixth Avenue have?
As of Oct 6, 2026, the building at 150 Sixth Avenue has 1 open HPD violations (0 Class C, 1 Class B, 0 Class A, 0 Class I). These are building records, so they apply to this listing.
What is the zoning of 150 Sixth Avenue?
The lot is zoned R6B. The building is built at a floor area ratio of 2.04 against 2.00 allowed for residential use, leaving about 0 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.