637 BAY RIDGE AVENUE
637 BAY RIDGE AVENUE is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3058660070) built in 1931, with 4 residential units across 2 floors.
The building is in NYC community district 310, council district 47, zoning district R4-1, on a 2,500-square-foot lot with a building footprint of 3,198 square feet.
The current registered owner of record per NYC PLUTO is SSW 637 LLC.
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
HPD registered contacts
- Head OfficerGONGZHI SONG
- Corporate OwnerSSW 637 LLC
- Managing AgentGONG SONG
Most recent deed
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R4-1
- Lot size:
- 2,500 sqft
- Building area:
- 3,198 sqft
- Floors:
- 2
- Assessed value:
- $338K
- Community district:
- 310
- Council district:
- 47
HPD violations
Recent HPD violation details
- Class CInspected Oct 17, 2025§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
- Class AInspected Feb 23, 2022(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class CInspected May 12, 2016§ 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CI…
- Class CInspected Apr 20, 2016§ 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CI…
- Class CInspected Apr 20, 2016§ 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CI…
Recent ACRIS activity
Frequently asked questions about 637 BAY RIDGE AVENUE
Who owns 637 BAY RIDGE AVENUE?
The current registered owner of record for 637 BAY RIDGE AVENUE per NYC PLUTO is SSW 637 LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 637 BAY RIDGE AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 637 BAY RIDGE 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 637 BAY RIDGE AVENUE have?
No open HPD housing-maintenance code violations are on record for 637 BAY RIDGE 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 637 BAY RIDGE AVENUE?
NYC Department of Finance assesses 637 BAY RIDGE AVENUE at $338K 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 637 BAY RIDGE AVENUE and what does that mean?
637 BAY RIDGE AVENUE is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. 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.