# 210 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3031740033 · Block 3174 · Lot 33 · BIN 3072322  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/210-knickerbocker-avenue-3031740033  
Last updated: 2026-11-06 · Open-item counts as of 2026-11-06

## Summary

210 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3031740033) is a 4-unit mixed-use building with apartments and ground-floor commercial space (building class S4: mixed-use: four-family home with one store or office), built around 1931, on a 2,500 sq ft lot zoned R6. City tax records list the owner as XIAO, XIU YUN; per ACRIS, a deed to this owner dated May 24, 2006 lists a price of $645,000. The Department of Finance's final market value for tax year 2027 is $925,000. As of November 6, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off and four active DOB violations. There was one 311 request in the past 12 months and six 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, “210 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3031740033)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/210-knickerbocker-avenue-3031740033. Source: NYC Open Data.

## Neighborhood

Bushwick (West): https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/bushwick-west

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/bushwick-west/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/bushwick-west/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/bushwick-west/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/bushwick-west/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/bushwick-west/unpaid-oath-tickets

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 1 |
| Active DOB violations | 4 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 0 |

## Lot & building

- Owner of record: XIAO, XIU YUN
- Building class: S4 – Mixed-use: four-family home with one store or office
- Year built: 1931
- Floors: 3
- Units: 4 residential / 5 total
- Lot area: 2,500 sq ft · Building area: 3,750 sq ft
- Zoning: R6, C1-3
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-06

## Tax assessment

- Tax year 2027 (final roll): market value $925,000, assessed value $416,250, tax class 2A
- 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 |
|---|---|---|---|
| 2006-05-24 | recorded (DEED) | DEED dated 2006-05-24 from KIM, BONG HEE to XIAO, XIU YUN; CHEN, HUA, stated price $645,000. | bnx9-e6tj |
| 2006-03-01 | recorded (DEED) | DEED dated 2006-03-01 from KIM, JIN WOO; KIM, BONG HEE to KIM, BONG HEE, no price stated ($0). | bnx9-e6tj |
| 1996-10-03 | recorded (DEED) | DEED dated 1996-10-03 from KIM, MUN JAE; KIM, MI YUNG to KIM, JIN WOO; KIM, BONG HEE, no price stated ($0). | bnx9-e6tj |
| 1992-09-16 | recorded (DEED) | DEED dated 1992-09-16 from BAKSH, ALICIA; BAKSH, TOW HEED to KIM, MUN JAE; KIM, MI YUNG, no price stated ($0). | bnx9-e6tj |
| 1989-11-10 | recorded (DEED) | DEED dated 1989-11-10 from HOSEIN, SHAHEMOON; HOSEIN, NADEER to BAKSH, TOWHEED; BAKSH, ALICIA, no price stated ($0). | bnx9-e6tj |
| 1974-08-02 | recorded (DEED) | DEED dated 1974-08-02 from GAROFALO ANTONIA to HOSEIN SHAHEMOON; HOSEIN NADEER, 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 |
|---|---|---|---|
| 2019-04-12 | open (PERMIT ISSUED - ENTIRE JOB/WORK) | BIS job 321955274 (A3 – Minor alteration (one type of work)): PERMIT ISSUED - ENTIRE JOB/WORK — permit issued, no sign-off on record. APPLICATION FILED TO INSTALL ACCESSORY BUSINESS AWNING AT 1ST FLOOR AS PER PLANS. NO CHANGE IN USE, EGRESS, AND OCCUPANCY. | ic3t-wcy2 |
| 2019-04-15 | n/a (ISSUED (initial)) | BIS work permit for job 321955274: Alteration / Other / general construction. Issued 2019-04-15, expires 2020-09-30. | ipu4-2q9a |
| 2006-05-31 | n/a (ISSUED (initial)) | BIS work permit for job 302140859: Plumbing / Plumbing. Issued 2006-05-31, expires 2007-05-31. | ipu4-2q9a |
| 2006-05-31 | n/a (ISSUED (initial)) | BIS work permit for job 302140859: Equipment work / Boiler. Issued 2006-05-31, expires 2006-07-09. | ipu4-2q9a |
| 1995-02-23 | n/a (ISSUED (initial)) | BIS work permit for job 300389078: Equipment work / Other / general construction. Issued 1995-02-23, expires 1997-02-23. | ipu4-2q9a |
| 1995-02-23 | n/a (ISSUED (initial)) | BIS work permit for job 300389078: Plumbing / Plumbing. Issued 1995-02-23, expires 1997-02-23. | ipu4-2q9a |
| 1995-02-23 | n/a (ISSUED (initial)) | BIS work permit for job 300389078: Equipment work / Mechanical/HVAC. Issued 1995-02-23, expires 1997-02-23. | ipu4-2q9a |
| 1995-02-23 | n/a (ISSUED (initial)) | BIS work permit for job 300389078: Equipment work / Mechanical/HVAC. Issued 1995-02-23, expires 1997-02-23. | ipu4-2q9a |

## 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 |
|---|---|---|---|
| 2023-06-30 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2015-03-03 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2014-05-15 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED): VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT. Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 1993-08-16 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |

## 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 |
|---|---|---|---|
| 2019-12-19 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been close… | ygpa-z7cr |
| 2019-03-05 | closed (CLOSE) | HPD complaint (apt 2L): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been close… | ygpa-z7cr |
| 2019-03-01 | closed (CLOSE) | HPD complaint (apt 2L): Heat/Hot Water – Entire Building. More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.The Department of Housing Preservation and Development contacted an occupant … | ygpa-z7cr |
| 2019-03-01 | closed (CLOSE) | HPD complaint (apt 2R): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the c… | ygpa-z7cr |
| 2019-02-27 | closed (CLOSE) | HPD complaint (apt BLDG): Heat/Hot Water – Entire Building. The Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been close… | ygpa-z7cr |
| 2019-01-13 | closed (CLOSE) | HPD complaint (apt 2L): Heat/Hot Water – Apartment Only. The Department of Housing Preservation and Development contacted an occupant of the apartment and verified that the following conditions were corrected. The complaint has been closed. If the conditio… | ygpa-z7cr |
| 2026-10-23 | closed (Closed) | 311 request to DEP: Air Quality – Vehicle Exhaust Smoke. | erm2-nwe9 |

## 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 XIAO, XIU YUN. | 64uk-42ks |
| 2006-05-24 | recorded | Grantee (buyer) on the most recent deed (DEED, 2006-05-24). | 636b-3b5g |
| 2006-05-24 | recorded | Grantee (buyer) on the most recent deed (DEED, 2006-05-24). | 636b-3b5g |
| 2026-09-02 | current_registration | HPD registration contact: SiteManager Xiuyun Xiao. | feu5-w2e2 |
| 2026-09-02 | current_registration | HPD registration contact: Agent Xiuyun Xiao, business city Brooklyn. | feu5-w2e2 |
| 2026-09-02 | current_registration | HPD registration contact: JointOwner Xiuyun Xiao, business city Brooklyn. | feu5-w2e2 |
| 2026-09-02 | current_registration | HPD registration contact: JointOwner Hua Chen, business city Maspeth. | 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/3031740033