409 Knickerbocker Avenue, Brooklyn, NY 11237

Lot & building

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

Owner (as listed by the city)

BSD 409 LLC,The owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.

Building class

RM – Condominium (subtype RM)The Department of Finance’s category for what kind of building this is.

Land use

Mixed residential & commercialCity Planning’s broad category of how the lot is used.

Year built

1931Often an estimate for older buildings. Major alteration recorded: 2020.

Floors

4

Units

8 residential / 9 totalResidential units are apartments; total includes stores and offices.

Buildings on lot

1

Lot size

2,500 sq ft

Building floor area

11,307 sq ft (incl. 5,071 sq ft commercial)

Zoning

C4-3The zoning district sets what can be built and used here. Commercial district.

Built vs. allowed density (FAR)

4.52 built / 2.43 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 3032797501 (Borough 3, Block 3279, Lot 7501) · BIN 3074801BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS

Source: PLUTO (Dept. of City Planning) — not yet loaded; Building Footprints — not yet loaded

Tax assessment

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

Market value (tax year 2027, final roll)

$0The 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

$0The portion of market value that taxes are calculated on (capped by law for small homes).

Tax class

7836

Source: DOF Property Valuation and Assessment Data — not yet loaded

Sales & deed history 0

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.

No records found in this dataset for this lot.

Source: ACRIS Real Property Master — not yet loaded; ACRIS Real Property Legals — not yet loaded; ACRIS Real Property Parties — not yet loaded

DOB job filings 0 open of 0

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.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Job Application Filings — not yet loaded; DOB Job Application Filings (BIS) — not yet loaded

Work permits 0

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.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Approved Permits — not yet loaded; DOB Permit Issuance (BIS) — not yet loaded

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).

No records found in this dataset for this lot.

Source: DOB Violations — not yet loaded

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 means the condition has not been certified as corrected and/or the case is not resolved. A balance due is a fine the city says is unpaid.

No records found in this dataset for this lot.

Source: DOB ECB Violations — not yet loaded

OATH tickets (all agencies) 1 unpaid of 7

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.

Source: OATH Hearings Division Case Status — not yet loaded

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.

HPD building ID

321290

Last registered

2025-07-08

Registration valid until

2026-09-01 ExpiredRegistrations must be renewed every year.

Source: HPD Multiple Dwelling Registrations — not yet loaded; HPD Registration Contacts — not yet loaded

HPD housing-code violations 0 open of 2

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.

Source: HPD Housing Maintenance Code Violations — not yet loaded

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 — not yet loaded

311 requests (last 12 months) 5

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.

Source: 311 Service Requests from 2020 to Present — not yet loaded

Nearby properties

On Knickerbocker Ave

• 408 Knickerbocker Avenue (30 open items)
• 410 Knickerbocker Avenue (14 open items)
• 406 Knickerbocker Avenue (nine open items)
• 412 Knickerbocker Avenue (25 open items)
• 413 Knickerbocker Avenue (three open items)
• 415 Knickerbocker Avenue (18 open items)
• 402 Knickerbocker Avenue (six open items)
• 418 Knickerbocker Avenue (24 open items)
• 399 Knickerbocker Avenue (40 open items)
• 419 Knickerbocker Avenue (eight open items)

Same tax block (3279)

• 431 Knickerbocker Avenue (15 open items)
• 427 Knickerbocker Avenue (10 open items)
• 423 Knickerbocker Avenue (38 open items)
• 421 Knickerbocker Avenue (12 open items)
• 419 Knickerbocker Avenue (eight open items)
• 415 Knickerbocker Avenue (18 open items)
• 413 Knickerbocker Avenue (three open items)
• 248 Himrod Street (34 open items)
• 250 Himrod Street
• 252 Himrod Street (one open item)

All properties on Knickerbocker Ave, Brooklyn · All of Brooklyn 11237 (Bushwick (West))