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NYC Building Records · BBL 3064600069

310 BAY 10 STREET

Brooklyn · Block 6460 · Lot 69 · Two-family frame (Class B2)
Last recorded deed: Jul 2025

310 BAY 10 STREET is a Class B2 (two-family frame) building in Brooklyn (BBL 3064600069) built in 2017, with 2 residential units across 3 floors.

The building is in NYC community district 311, council district 50, zoning district R4, on a 3,867-square-foot lot with a building footprint of 3,472 square feet.

The current registered owner of record per NYC PLUTO is JCL 6521 LLC.

The most recent ACRIS deed transfer for this BBL was recorded on July 2, 2025 when KOO-TSE, GAR SUM; TSE, CHARLES P conveyed the property to JCL 6521 LLC for $1.99M. The transaction was financed with a $783K mortgage from Mers.

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

Aerial map of 310 BAY 10 STREET, BrooklynStreet View of 310 BAY 10 STREET, Brooklyn

Owner of record

JCL 6521 LLC

Most recent deed

Last transferred on Jul 2, 2025 for $2.0M to JCL 6521 LLC.
Previous owner: KOO-TSE, GAR SUM; TSE, CHARLES P
Mortgage: $783K recorded Jul 2, 2025 with Mers. Loan-to-value: 39%.
🔒 See all transfers before the 2025 sale →

Activity timeline

Recent ACRIS documents (last 3)

DateTypeAmountParties
Jul 2, 2025MTGE$783KParties redacted — full names in MetroDeeds Scout+
Jul 2, 2025DEED$2.0MParties redacted — full names in MetroDeeds Scout+
Oct 8, 2015DEED$855KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 3 redacted buyer/seller names above →

Building stats

Units
2
Year built
2017
Class
B2
Borough
Brooklyn
Zoning:
R4
Lot size:
3,867 sqft
Building area:
3,472 sqft
Floors:
3
Assessed value:
$133K
Community district:
311
Council district:
50

HPD violations

0 open
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

No open HPD violations recorded for this building.

Recent ACRIS activity

3 documents in the last 5 years (most recent Jul 2, 2025).

Frequently asked questions about 310 BAY 10 STREET

Who owns 310 BAY 10 STREET?

The current registered owner of record for 310 BAY 10 STREET per NYC PLUTO is JCL 6521 LLC. The most recent ACRIS deed transfer for this BBL was recorded on July 2, 2025 when the property was conveyed to JCL 6521 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 310 BAY 10 STREET last sold?

The most recent ACRIS deed transfer for 310 BAY 10 STREET was recorded on July 2, 2025, when KOO-TSE, GAR SUM; TSE, CHARLES P conveyed the property to JCL 6521 LLC for $1.99M. The transaction was financed with a $783K mortgage from Mers.

How many HPD violations does 310 BAY 10 STREET have?

No open HPD housing-maintenance code violations are on record for 310 BAY 10 STREET. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 310 BAY 10 STREET?

NYC Department of Finance assesses 310 BAY 10 STREET at $133K 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 310 BAY 10 STREET and what does that mean?

310 BAY 10 STREET is NYC building class B2 — Two-family frame. A two-family residential building of frame construction. 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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