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451 73rd Street, Bay Ridge, Brooklyn, NY 11209

BBL 3059090057 (Borough 3, Block 5909, Lot 57) · BIN 3147431 · Last updated: · Bay Ridge · ZIP 11209

Summary · as of November 10, 2026

451 73rd Street (Brooklyn, NY 11209; tax lot BBL 3059090057) is a two-family home (building class B1: two-family home, brick), built around 1905, on a 2,000 sq ft lot zoned R5B. City tax records list the owner as 451 73 ST LLC; per ACRIS, a deed to this owner dated August 16, 2024 lists a price of $1,400,000. The Department of Finance's final market value for tax year 2027 is $1,463,000. As of November 10, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off. There was one 311 request in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
451 73 ST LLC
Building class
B1 · Two-family home, brick
Year built · units
1905 · 2 res.
Lot area · zoning
2,000 sq ft · R5B
Market value (DOF)
$1,463,000 FY2027
Last priced deed
$1,400,000 · 2024-08-16
BBL
3059090057
BIN
3147431

How to cite: NYC Property Facts, “451 73rd Street, Brooklyn, NY 11209 (BBL 3059090057)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/451-73rd-street-3059090057. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
451 73 ST LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B1 – Two-family home, brickThe Department of Finance’s category for what kind of building this is.
Land use
One- & two-family buildingsCity Planning’s broad category of how the lot is used.
Year built
1905Often an estimate for older buildings. Major alteration recorded: 2005.
Floors
2
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,000 sq ft (20 ft × 100 ft)
Building floor area
2,970 sq ft
Zoning
R5B, BRThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.49 built / 1.50 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 3059090057 (Borough 3, Block 5909, Lot 57) · BIN 3147431BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; last loaded 2026-11-10; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08; checked unchanged 2026-11-10

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$1,463,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$87,780The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$62,374Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,463,000$87,7801
2026Final$1,680,000$100,8001
2025Final$1,606,000$96,3601

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-10

Sales & deed history 3

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2024-08-16DEED$1,400,000Perry Chin Trust, Dated June 17, 2014; Sarah Chin, Trustee451 73 St Llc2024081900365001
2014-06-17DEED$0 / not statedChin, PerrySarah Chin As Trustee; Perry Chin Trust, Dated June 17, 20142014071800667001
2003-10-02DEED$600,000Hemrick, JamesChin, Mabel; Chin, Perry2003102401371001

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-10; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-10; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-10

DOB job filings 1 open of 8

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Permitted, not signed off
PERMIT ISSUED - PARTIAL JOB · 2005-08-29
301975986
BIS
A1 – Major alteration (changes use, egress or occupancy)2005-07-11$15,000
Not open
Approved · 2025-01-28
B01101677-P2
DOB NOW
Alteration2025-01-28$40,000
Not open
Approved · 2025-01-28
B01101675-P3
DOB NOW
Alteration2025-01-28$120,000
Not open
Approved · 2024-11-18
B01101677-P1
DOB NOW
Alteration2024-11-15$40,000
Not open
Approved · 2024-11-18
B01101675-P2
DOB NOW
Alteration2024-11-15$120,000
Not open
Approved · 2024-09-23
B01101675-P1
DOB NOW
Alteration2024-09-19$120,000
Not open
LOC Issued · 2025-02-18
B01101675-I1
DOB NOW
Alteration2024-09-04$120,000
Not open
LOC Issued · 2025-03-11
B01101677-I1
DOB NOW
Alteration2024-09-04$40,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-09; last loaded 2026-11-10; DOB Job Application Filings (BIS) — city dataset updated 2026-11-09; last loaded 2026-11-10

Work permits 4

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2024-11-252025-10-17B01101675-I1
DOB NOW
General Construction
RENOVATION OF EXISTING CELLAR, FIRST, SECOND AND THIRD FLOOR WITH GENERAL CONSTRUCTION: NEW PARTITIONS, DOORS, FLOORING AND COSMETIC WORK;REPLACE CONCRETE STAIR
Signed-off
2024-09-122025-08-02B01101677-I1
DOB NOW
Plumbing
RENOVATION OF EXISTING CELLAR, FIRST, SECOND AND THIRD FLOOR WITH PLUMBING WORK: RELOCATE KITCHEN AND BATHROOM FIXTURES; NEW BOILERS AND HOT WATER HEATERS IN CE
Signed-off
2024-09-112024-11-27B01101675-I1
DOB NOW
General Construction
RENOVATION OF EXISTING CELLAR, FIRST, SECOND AND THIRD FLOOR WITH GENERAL CONSTRUCTION: NEW PARTITIONS, DOORS, FLOORING AND COSMETIC WORK;REPLACE CONCRETE STAIR
Signed-off
2005-08-292006-08-01301975986
BIS
AlterationISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-09; last loaded 2026-11-10; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 0

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-09; last loaded 2026-11-10

DOB safety violations (DOB NOW) 0 active of 0

Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.

No records found in this dataset for this lot.

Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-09; last loaded 2026-11-10

ECB violations (DOB) 0 active of 0

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-10

OATH tickets (all agencies) 0 unpaid of 3

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
No balance due
PAID IN FULL
2008-07-17Dos - Enforcement AgentsRECYCLABLES PLACED FOR COLLECTION WITH NON-RECYCLABLESCHIN$25 / $25 / —041681579J
No balance due
PAID IN FULL
2007-03-12$25 / $25 / —041190136Y
No balance due
PAID IN FULL
2004-05-24$25 / $25 / —0142655096

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-10; last loaded 2026-11-10

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; last loaded 2026-11-10; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-10

HPD housing-code violations 0 open of 10

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

StatusClassIssuedAptCondition
Closed
Violation Closed · 2024-06-11
A2011-03-223FL§ 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILE FLOOR IN THE BATHROOM LOCATED AT APT 3FL, 3rd STORY
Closed
Violation Closed · 2024-06-11
A2011-03-223FL§ 27-2005 ADMIN. CODE: REFIT WINDOW IN THE KITCHEN LOCATED AT APT 3FL, 3rd STORY
Closed
Violation Closed · 2024-06-11
A2011-03-173§ 27-2026 ADMIN. CODE: RESET, SO AS TO SECURE A PROPER AND TIGHT CONNECTION, THE WATER CLOSET BOWL ..... IN THE BATHROOM LOCATED AT APT 3, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Closed
Violation Closed · 2024-06-11
B2011-03-153FL§ 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILE IN THE BATHROOM LOCATED AT APT 3FL, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Closed
Violation Closed · 2024-06-11
B2011-03-153FL§ 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE COUNTER BALANCE AT TOP AND BOTTOM SASH WINDOW IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT 3FL, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Closed
Violation Dismissed · 2024-06-12
B2011-03-153FL§ 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE BELL BUZZER FROM BUILDING ENTRANE DOOR TO VESTIBULE LOCATED AT APT 3FL, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Closed
Violation Closed · 2024-06-11
B2011-03-153§ 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE COUNTER BALANCE AT TOP AND BOTTOM SASH WINDOW IN THE 3rd ROOM FROM NORTH AT WEST LOCATED AT APT 3, 2nd STORY
Closed
Violation Closed · 2024-06-11
B2011-03-153§ 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE COUNTER BALANCE AT TOP AND BOTTOM SASH WINDOW IN THE KITCHEN LOCATED AT APT 3, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH
Closed
Violation Closed · 2024-06-11
A2011-03-083FL§ 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FLOOR CERAMIC TILES IN THE BATHROOM LOCATED AT APT 3FL, 2nd STORY
Closed
Violation Closed · 2024-06-11
A2011-03-083FL§ 27-2005 ADMIN. CODE: REFIT WINDOWS IN THE ENTIRE APARTMENT LOCATED AT APT 3FL, 2nd STORY

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-10; last loaded 2026-11-10

HPD complaints 0

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-10; last loaded 2026-11-10

311 requests (last 12 months) 1

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

OpenedAgencyComplaintStatusClosed
2026-06-22DSNYIllegal Dumping – Removal RequestClosed2026-06-23

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-10; last loaded 2026-11-10

Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

More in Bay Ridge: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on 73 St

Same tax block (5909), closest first

All properties on 73 St, Brooklyn · Brooklyn 11209

Open-item counts as of November 10, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs