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Building report

840 Jefferson Avenue

Public records for this building, including violations, complaints, housing court cases and ownership details.

Built
1910
Units
8
Owner of record
SIMPLETON RESOURCE FUNDS XVII LLC
Open HPD violations
1
HPD records on file
76

Violations at 840 Jefferson Avenue

76 on record
2016-07-01Class BOpen

SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING A MINIMUM OF 100 WATTS OF INCANDESCENT LIGHT REQUIRED. (LIGHT FIXTURE PRESENT)

HPD · 686 · Record 11296585
2015-10-06Class ADismissed

SECTION 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCY?S HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORY

HPD · 500 · Record 10911128
2014-05-07Class CClosed

SECTION 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED BOILER ROOM AT CELLAR

HPD · 672 · Record 10234206
2014-05-07Class CClosed

SECTION 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4A, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

HPD · 670 · Record 10234185
2013-10-12Class CClosed

SECTION 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM .. AT PUBLIC HALL, 1st STORY

HPD · 671 · Record 10004549

Who owns 840 Jefferson Avenue?

Owner of record: SIMPLETON RESOURCE FUNDS XVII LLC. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.

Apartments at 840 Jefferson Avenue

Recorded residential units: 8. Recorded year built: 1910. These building facts do not show current vacancies or when a particular apartment was renovated.

This tax lot appears in the RGB list based on 2024 building registrations, published as of November 2025. That is a building-level historical signal; it does not identify which apartments are stabilized today. Check the official rent-stabilized building lists.

Look up more about this building

See the full record for 840 Jefferson Avenue

The full report includes the grade, all 76 violations with dates and outcomes, housing court filings and ownership details.

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Included
  1. 01Overall grade and scores by category
  2. 02Details for all 76 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections