What the listing does not show
2140 Knapp Street #4D
in 2140 Knapp StreetBrooklyn, NY 11229Co-opHigh risk
Listed at $275,000. 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
- $275,000
- Beds
- 2 beds
- Baths
- 1 bath
- Size
- 950 ft²
- Building
- Co-op
- Built
- 1952
- Open housing violations
- 23
- Immediately hazardous
- 3
- Open building violations
- 20
- Unresolved penalties
- 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.
- 013 open Class C (immediately hazardous) housing violations a buyer can raise, and a seller should be ready to explain.
- 0220 open Buildings Department violations, which can slow a closing.
- 03Checked: no unresolved penalties on file.
- 0412 co-op share transfers in the last 12 months. Co-op sales are not recorded as deeds, so they show up only here.
- 054 tax lien documents on record.
02 / Building
The building
City records for 2140 Knapp Street, the building this listing is in. Department of Finance class D4: Elevator apartments.
- Type
- Co-op
- Year built
- 1952
- Floors
- 6
- Units
- 144144 residential
- Building area
- 154,263 ft²
- Residential / commercial
- 154,263 / 0 ft²
- Lot
- 70,000 ft²310 × 200 ft
- Assessed value
- $6,437,700Tax assessment, not market value
- Assessed land
- $1,044,450
- Tax exemption
- $499,703
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, 18 hazardous, 2 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
20
open violations
19 safety-related. Most recent open filing Oct 29, 2021.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
0
unresolved
No unresolved penalties on file.
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.
234 recorded documents · 0 sales of $10,000 or more · Last sale none · Last mortgage 2020
Unlock the recorded amounts for 2140 Knapp Street #4D
After you register, the paid report includes who owns the building, plus the amounts below from the city file.
- Owner details
- Mortgage amount
- Unpaid penalty balance
Paid report
The rest of 2140 Knapp Street #4D 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
- Mortgage amount
- Unpaid penalty balance
Same building
Other listings at 2140 Knapp Street
06 / FAQ
Questions
How many open violations does 2140 Knapp Street #4D have?
As of Oct 6, 2026, the building at 2140 Knapp Street has 23 open HPD violations (3 Class C, 18 Class B, 2 Class A, 0 Class I), 20 open DOB violations, 0 unresolved ECB penalties. These are building records, so they apply to this listing.
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 2140 Knapp Street?
Owner details are in the paid report, available after you register. Mortgage amount, Unpaid penalty balance 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.