# 673 Knickerbocker Avenue, Brooklyn, NY 11221

BBL 3033780006 · Block 3378 · Lot 6 · BIN 3077320  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/673-knickerbocker-avenue-3033780006  
Last updated: 2026-11-03 · Open-item counts as of 2026-11-05

## Summary

673 Knickerbocker Avenue (Brooklyn, NY 11221; tax lot BBL 3033780006) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1910, on a 1,900 sq ft lot zoned R6. City tax records list the owner as 673 KNICKERBOCKER LLC; per ACRIS, a deed to this owner dated July 16, 2024 lists a price of $1,700,000. The Department of Finance's final market value for tax year 2027 is $1,699,000. As of November 5, 2026, NYC Open Data shows one open HPD violation. There were no 311 requests in the past 12 months and two HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “673 Knickerbocker Avenue, Brooklyn, NY 11221 (BBL 3033780006)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/673-knickerbocker-avenue-3033780006. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 1 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: 673 KNICKERBOCKER LLC
- Building class: C0 – Three-family walk-up
- Year built: 1910
- Floors: 3
- Units: 3 residential / 3 total
- Lot area: 1,900 sq ft · Building area: 3,600 sq ft
- Zoning: R6, C1-3
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-05

## Tax assessment

- Tax year 2027 (final roll): market value $1,699,000, assessed value $101,940, tax class 1
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 2024-07-16 | recorded (DEED) | DEED dated 2024-07-16 from GONZALEZ, WANDA to 673 KNICKERBOCKER LLC, stated price $1,700,000. | bnx9-e6tj |
| 2001-07-13 | recorded (DEED) | DEED dated 2001-07-13 from GONZALEZ, MODESTO to GONZALEZ, WANDA, no price stated ($0). | bnx9-e6tj |
| 1995-07-17 | recorded (DEED) | DEED dated 1995-07-17 from PUENTE, NELSON M; GARCIA, VIRGINIA to GONZALEZ, MODESTO, no price stated ($0). | bnx9-e6tj |
| 1975-11-06 | recorded (DEED) | DEED dated 1975-11-06 from TRAPANI FLORENCE; TRAPANI VINCENZO to GARCIA VIRGINIA; PUENTE NELSON M, no price stated ($0). | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2024-10-04 | n/a (Signed-off) | DOB NOW work permit for job B01091677-S1: Plumbing — PLUMBING FILING IN CONJUNCTION WITH DOB ALTERATION APPLICATION B01091677. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.. Issued 2024-10-04, expires 2025-03-13. | rbx6-tga4 |
| 2024-08-30 | n/a (Signed-off) | DOB NOW work permit for job B01091677-I1: General Construction — APPLICATION FILED HEREWITH TO PROPOSE INTERIOR RENOVATIONS TO EXISTING 3 STORY 3 FAMILY WITH CELLAR. NO CHANGE IN EGRESS, USE AND OCCUPANCY.. Issued 2024-08-30, expires 2025-06-27. | rbx6-tga4 |

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-03-19 | open (Nov Sent Out) | HPD class A violation (Class A): § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME READILY ACCESSIBLE FOR SIGNATURE, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR AT MISSING AT PUBLIC HALL, 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

No records found.

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-10-27 | closed (CLOSE) | HPD complaint (apt FL1): General – Ventilation System. HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more i… | ygpa-z7cr |
| 2023-09-29 | closed (CLOSE) | HPD complaint (apt 3): Water Leak – Heavy Flow. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as 673 KNICKERBOCKER LLC. | 64uk-42ks |
| 2024-07-16 | recorded | Grantee (buyer) on the most recent deed (DEED, 2024-07-16). | 636b-3b5g |
| 2025-10-09 | expired_registration | HPD registration contact: SiteManager Shawn Bolding. | feu5-w2e2 |
| 2025-10-09 | expired_registration | HPD registration contact: Agent Shawn Bolding, business city New York. | feu5-w2e2 |
| 2025-10-09 | expired_registration | HPD registration contact: CorporateOwner (673 Knickerbocker LLC), business city New York. | feu5-w2e2 |
| 2025-10-09 | expired_registration | HPD registration contact: HeadOfficer Remi Reisner, business city New York. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3033780006