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NYC Building Records · BBL 3070050040

3507 MERMAID AVENUE

Brooklyn · Block 7005 · Lot 40 · One-family attached (Class A5)

3507 MERMAID AVENUE is a Class A5 (one-family attached) building in Brooklyn (BBL 3070050040) built in 1988, with 1 residential unit across 2 floors.

The building is in NYC community district 313, council district 47, zoning district R5, on a 2,167-square-foot lot with a building footprint of 1,430 square feet.

The current registered owner of record per NYC PLUTO is TRAN, THANH CHI.

MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

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

TRAN, THANH CHI

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Managing AgentTHANIH TRAN
  • Joint OwnerQUYEN LU
  • Joint OwnerTHANH TRAN

Most recent deed

Last transferred on Oct 21, 2008 for $383K to Lu, Quyen My; Tran, Thanh Chi.
Previous owner: Leung, Hon F.; Leung, Yuk Lin
Mortgage: $300K recorded Oct 21, 2008 with Abacus Federal Savings Bank. Loan-to-value: 78%.
🔒 See all transfers before the 2008 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Sep 17, 2020MTGE$199KParties redacted — full names in MetroDeeds Scout+
May 26, 2009AGMT$304KParties redacted — full names in MetroDeeds Scout+
May 26, 2009MTGE$6KParties redacted — full names in MetroDeeds Scout+
Oct 21, 2008MTGE$300KParties redacted — full names in MetroDeeds Scout+
Oct 21, 2008DEED$383KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
1
Year built
1988
Class
A5
Borough
Brooklyn
Zoning:
R5
Lot size:
2,167 sqft
Building area:
1,430 sqft
Floors:
2
Assessed value:
$40K
Community district:
313
Council district:
47

HPD violations

0 open
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 IInspected Nov 24, 2025
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Dec 4, 2024
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Nov 28, 2023
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Nov 17, 2022
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Mar 16, 2022
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Sep 17, 2020).

Frequently asked questions about 3507 MERMAID AVENUE

Who owns 3507 MERMAID AVENUE?

The current registered owner of record for 3507 MERMAID AVENUE per NYC PLUTO is TRAN, THANH CHI. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 3507 MERMAID AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 3507 MERMAID AVENUE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).

How many HPD violations does 3507 MERMAID AVENUE have?

No open HPD housing-maintenance code violations are on record for 3507 MERMAID 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 3507 MERMAID AVENUE?

NYC Department of Finance assesses 3507 MERMAID AVENUE at $40K 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 3507 MERMAID AVENUE and what does that mean?

3507 MERMAID AVENUE is NYC building class A5 — One-family attached. A single-family attached or semi-detached dwelling. 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

Go deeper on this building

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Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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