What the listing does not show
4019 10th Avenue
Brooklyn, NY 11219Walk-up apartment buildingHigh risk
Listed at $1,650,000. The listing does not mention what city records show: 120 open housing violations, 22 of them immediately hazardous. A buyer can put that on the table before contract. A seller should expect the question.
- Asking
- $1,650,000
- Beds
- 6 beds
- Baths
- 5 baths
- Size
- 3,700 ft²
- Building
- Walk-up apartment building
- Built
- 1930
- Open housing violations
- 120
- Immediately hazardous
- 22
- Open building violations
- 1
- Unresolved penalties
- 8
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.
- 0122 open Class C (immediately hazardous) housing violations a buyer can raise, and a seller should be ready to explain.
- 021 open Buildings Department violation, which can slow a closing.
- 038 unresolved penalties (5 hazardous) that can follow the property into the sale.
- 04The required housing registration expired more than a year ago.
02 / Building
The building
Department of Finance class C3: Walk-up apartments.
- Type
- Walk-up apartment building
- Year built
- 1930
- Floors
- 3
- Units
- 44 residential
- Building area
- 3,000 ft²
- Residential / commercial
- 3,000 / 0 ft²
- Lot
- 1,527 ft²20 × 76.33 ft
- Assessed value
- $381,600Tax assessment, not market value
- Assessed land
- $86,850
- Tax exemption
- None
03 / Zoning
What the lot allows
Zoned R6. Floor area ratio is how much building the lot can legally hold. Listings rarely spell this out.
Unused residential floor area
718ft²
Built at 81% of allowed
Zoning would still allow this much more housing on the lot.
- Commercial FAR allowed
- 0.00
- Community facility FAR
- 4.80
- Affordable housing bonus FAR
- 3.90
- Zoning district
- R6
- Overlay: C2-3
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)
120
open violations
22 immediately hazardous, 62 hazardous, 30 non-hazardous, 6 informational.
Registration expired, ended Nov 1, 2020. Owner state NY.
Buildings (DOB)
1
open violations
2 safety-related. Most recent open filing Sep 2, 2020.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
8
unresolved
5 hazardous. $406,250 imposed, last issued Sep 3, 2021.
Unpaid balance
05 / Full report
Not on the listing
Sale prices, mortgage amounts and document amounts the city has on file. The listing does not include them.
32 recorded documents · 1 sale of $10,000 or more · Last sale 2005 · Last mortgage 2005
Unlock the recorded amounts for 4019 10th Avenue
After you register, the paid report includes who owns the building, plus the amounts below from the city file.
- Owner details
- Last sale price
- Mortgage amount
- Unpaid penalty balance
- Recorded document amounts
Paid report
The rest of 4019 10th Avenue is not on the listing
After you register, the paid report names the owner. It also includes the city-file amounts the listing leaves out.
- Owner details
- Last sale price
- Mortgage amount
- Unpaid penalty balance
- Recorded document amounts
06 / FAQ
Questions
How many open violations does 4019 10th Avenue have?
As of Oct 6, 2026, the building at 4019 10th Avenue has 120 open HPD violations (22 Class C, 62 Class B, 30 Class A, 6 Class I), 1 open DOB violations, 8 unresolved ECB penalties. These are building records, so they apply to this listing.
What is the zoning of 4019 10th Avenue?
The lot is zoned R6. The building is built at a floor area ratio of 1.96 against 2.43 allowed for residential use, leaving about 718 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.
What amounts are recorded for 4019 10th Avenue?
Owner details are in the paid report, available after you register. Last sale price, Mortgage amount, Unpaid penalty balance, Recorded document amounts are in the city file and included there too.
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.