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NYC Building Records · BBL 3031720008

100 JEFFERSON STREET

Brooklyn · Block 3172 · Lot 8 · Two-family brick (Class B1)

100 JEFFERSON STREET is a Class B1 (two-family brick) building in Brooklyn (BBL 3031720008) built in 2008, with 2 residential units across 3 floors.

The building is in NYC community district 304, council district 34, zoning district R6, on a 992-square-foot lot with a building footprint of 2,619 square feet.

The current registered owner of record per NYC PLUTO is JEFFERSON GARDEN PARTNERS LLC.

The most recent ACRIS deed transfer for this BBL was recorded on March 13, 2026 when Jefferson Garden Partners Llc conveyed the property to Gold Jefferson Realty Llc for $10. The transaction was recorded as cash (no paired mortgage instrument).

The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 17, 2026.

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Owner of record

JEFFERSON GARDEN PARTNERS LLC
HPD-registered head officer: MOSES KARPEN

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerMOSES KARPEN
  • Corporate OwnerJEFFERSON GARDEN PARTNERS

Most recent deed

Last transferred on Mar 13, 2026 for $10 to Gold Jefferson Realty Llc.
Previous owner: Jefferson Garden Partners Llc
Cash sale: no recorded mortgage tied to this transfer.
🔒 See full deed history for this building →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Mar 13, 2026DEED$10Parties redacted — full names in MetroDeeds Scout+
Jul 18, 2018AGMTNot disclosedParties redacted — full names in MetroDeeds Scout+
Dec 5, 2012DEED$875KParties redacted — full names in MetroDeeds Scout+
Jul 13, 2007MTGE$1.3MParties redacted — full names in MetroDeeds Scout+
Jun 15, 2007MTGE$1.1MParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →

Building stats

Units
2
Year built
2008
Class
B1
Borough
Brooklyn
Zoning:
R6
Lot size:
992 sqft
Building area:
2,619 sqft
Floors:
3
Assessed value:
$84K
Community district:
304
Council district:
34

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See full violation history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class BInspected Mar 28, 2026
    § 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR AT CEILING IN THE 1st ROOM FROM NORTH LO…
  • Class BInspected Mar 28, 2026
    § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVI…
  • Class CInspected Mar 28, 2026
    § 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF SCALDING HOT WATER ABOVE 130 DEGREES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st S…
  • Class CInspected Mar 7, 2025
    § 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING THE MAXIMUM TEMPERATURE OF 130 DEGREES AT ALL HOT WATER FIXTURES…
  • Class BInspected Mar 7, 2025
    § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st…
🔒 See full violation history with closure dates →

Recent ACRIS activity

5 documents in the last 5 years (most recent Mar 13, 2026).

Other buildings in this portfolio

100 Jefferson Realty Llc controls 4 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 100 JEFFERSON STREET

Who owns 100 JEFFERSON STREET?

The current registered owner of record for 100 JEFFERSON STREET per NYC PLUTO is JEFFERSON GARDEN PARTNERS LLC. The most recent ACRIS deed transfer for this BBL was recorded on March 13, 2026 when the property was conveyed to Gold Jefferson Realty Llc. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.

When was 100 JEFFERSON STREET last sold?

The most recent ACRIS deed transfer for 100 JEFFERSON STREET was recorded on March 13, 2026, when Jefferson Garden Partners Llc conveyed the property to Gold Jefferson Realty Llc for $10. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 100 JEFFERSON STREET have?

No open HPD housing-maintenance code violations are on record for 100 JEFFERSON STREET as of May 17, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 100 JEFFERSON STREET?

NYC Department of Finance assesses 100 JEFFERSON STREET at $84K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.

What building class is 100 JEFFERSON STREET and what does that mean?

100 JEFFERSON STREET is NYC building class B1 — Two-family brick. A two-family residential building of brick construction, typically owner-occupied. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.

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