341 Prospect Ave, Brooklyn

BBL 3-01055-0045

Built: 1901
Floors: 3
Residential units: 1
Building type: Residence with stores or offices
Zoning district: R5B
Lot area: 1,241 sq ft
Floor area: 2,024 sq ft
Last transfer: No price recordedJuly 9, 2026
Last sale: $1,440,000September 9, 2016

En español: sin violaciones abiertas del HPD, contando todos los años.

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HPD takes complaints from tenants through 311.

For a letter to your landlord or a housing court case, the report lists every open violation here, each in the city's own words with the date on its notice. Get the report, $19

OATH/ECB summonses: 1 FDNY summons here since January 1, 2019.
January 23, 2019, FDNY: Certificates of fitness and certificates of qualification. In violation.

No open HPD violations, counting every year. No OATH/ECB summons issued in the last 3 years is still active.

The full report on 341 Prospect Ave, Brooklyn

How it compares with the 223,260 Brooklyn buildings with 1 to 5 apartments.
All 1 FDNY summons at OATH/ECB, with each outcome, the penalty imposed and any docketing date.
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Questions about this building

Does 341 Prospect Avenue, Brooklyn have open violations?

No. On October 10, 2026, 341 Prospect Avenue, Brooklyn had no open HPD violations, counting every year, and no OATH/ECB summons issued in the last 3 years was still active.

When was 341 Prospect Avenue, Brooklyn built?

The city's record gives 1901 as the year 341 Prospect Avenue, Brooklyn was built, in the Department of City Planning's PLUTO tax-lot file. The same file classes it as a residence with stores or offices with 3 floors.

How many apartments does 341 Prospect Avenue, Brooklyn have?

The Department of City Planning's PLUTO tax-lot file lists 1 residential unit at 341 Prospect Avenue, Brooklyn. The count is for the whole tax lot.

Where do these numbers come from?

From New York City's own data: HPD housing violations and OATH/ECB hearing results, read whole rather than sampled. It also draws on OATH/ECB summonses from DOB and FDNY, the city's PLUTO tax-lot file and DOF's property sales records. This page is current through October 10, 2026. The city's data changes daily, so a violation certified after that can still show as open here; the city's own page for this building is linked above.