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NYC Building Records · BBL 3050640047

80 CLARKSON AVENUE

Brooklyn · Block 5064 · Lot 47 · Elevator, semi-fireproof (Class D1)

80 CLARKSON AVENUE is a Class D1 (elevator, semi-fireproof) building in Brooklyn (BBL 3050640047) built in 1938, with 83 residential units across 6 floors.

The building is in NYC community district 314, council district 40, zoning district R7A, on a 22,500-square-foot lot with a building footprint of 97,137 square feet.

The current registered owner of record per NYC PLUTO is 80 CLARKSON PARTNERS LLC.

The most recent ACRIS deed transfer for this BBL was recorded on January 23, 2024 when 80 CLARKSON LLC conveyed the property to 80 CLARKSON PARTNERS LLC for $7.80M. The transaction was financed with a $5.60M mortgage from Cross River Bank.

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 18, 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

80 CLARKSON PARTNERS LLC
HPD-registered head officer: MARK JACOB

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerMARK JACOB
  • Corporate Owner80 CLARKSON PARTNERS

Most recent deed

Last transferred on Jan 23, 2024 for $7.8M to 80 CLARKSON PARTNERS LLC.
Previous owner: 80 CLARKSON LLC
Mortgage: $5.6M recorded Jan 23, 2024 with Cross River Bank. Loan-to-value: 72%.
🔒 See all transfers before the 2024 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Jan 23, 2024DEED$7.8MParties redacted — full names in MetroDeeds Scout+
Jan 23, 2024MTGE$5.6MParties redacted — full names in MetroDeeds Scout+
Oct 30, 2015AGMT$7.4MParties redacted — full names in MetroDeeds Scout+
Oct 30, 2015MTGE$1.4MParties redacted — full names in MetroDeeds Scout+
Oct 30, 2015DEED$19.8MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
83
Year built
1938
Class
D1
Borough
Brooklyn
Zoning:
R7A
Lot size:
22,500 sqft
Building area:
97,137 sqft
Floors:
6
Assessed value:
$1.5M
Community district:
314
Council district:
40

HPD violations

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

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected May 8, 2026
    § 27-2005 ADM CODE PROPERLY SECURE THE LOOSE FAUCET AT SINK IN THE KITCHEN LOCATED AT APT 1H, 1st STORY, 1st APARTMENT FROM NORTH AT EAST ,…
  • Class CInspected May 8, 2026
    § 27-2005 ADM CODE REPLACE WITH NEW THE MISSING LOWER WINDOW SASH AT NORTH WALL AT 1ST WINDOW FROM WEST AT NORTH IN THE 1st ROOM FROM EAST L…
  • Class CInspected May 8, 2026
    § 27-2005 ADM CODE REPLACE WITH NEW THE MISSING MORTISE LOCK AT DOOR IN THE ENTRANCE LOCATED AT APT 5A, 5th STORY, 1st APARTMENT FROM WEST A…
  • Class AInspected May 8, 2026
    § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE TILES AT EAST WALL IN THE BATHROOM LOCATED AT APT 1H, 1st S…
  • Class BInspected May 3, 2026
    § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING, NORTH AND WEST WALL IN THE 3r…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Jan 23, 2024).

Frequently asked questions about 80 CLARKSON AVENUE

Who owns 80 CLARKSON AVENUE?

The current registered owner of record for 80 CLARKSON AVENUE per NYC PLUTO is 80 CLARKSON PARTNERS LLC. The most recent ACRIS deed transfer for this BBL was recorded on January 23, 2024 when the property was conveyed to 80 CLARKSON PARTNERS 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 80 CLARKSON AVENUE last sold?

The most recent ACRIS deed transfer for 80 CLARKSON AVENUE was recorded on January 23, 2024, when 80 CLARKSON LLC conveyed the property to 80 CLARKSON PARTNERS LLC for $7.80M. The transaction was financed with a $5.60M mortgage from Cross River Bank.

How many HPD violations does 80 CLARKSON AVENUE have?

No open HPD housing-maintenance code violations are on record for 80 CLARKSON AVENUE as of May 18, 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 80 CLARKSON AVENUE?

NYC Department of Finance assesses 80 CLARKSON AVENUE at $1.48M 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 80 CLARKSON AVENUE and what does that mean?

80 CLARKSON AVENUE is NYC building class D1 — Elevator, semi-fireproof. A semi-fireproof elevator apartment building. 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.

More from MetroDeeds

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