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306 Stockholm Street, Brooklyn — Grade D | OpenStoop

306 STOCKHOLM STREET, Brooklyn

Building Health Grade: D (39/100)

Year Built: 2017 · Units: 8

306 Stockholm Street

D

0

D

0

Health Score

Higher is better. Based on 26 data sources across violations, complaints, permits, sales, and legal records.

High Confidence

This building has significant issues — we recommend careful review

Multiple issues found. We recommend getting answers on open violations before committing.

306 Stockholm Street is a walkup apartment building built in 2017 in Brooklyn with 8 residential units. It has a Grade D health score, reflecting significant maintenance and compliance concerns, driven by 10 open Class C hazardous violations. Our analysis reviewed 194 records across 26 public data sources, benchmarked against similar mid-sized postwar residential buildings in NYC.

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vs Neighborhood (11237)

3,525 buildings in this zip code

6th

Better than 6% of buildings in 11237

Bottom tier

Avg score: 83

WorstBest in 11237

Alerts

Open Critical Violations

This building has unresolved Class C (immediately hazardous) violations that require urgent repair.

Score Breakdown

Living ConditionsBased on housing violations — things like heat, hot water, pests, mold

31Poor

Building SafetyStructural issues, fire safety, elevator problems, code violations

98Excellent

Complaint BurdenHow often residents call 311 or file complaints about this building

24Critical

Management QualityHow quickly the owner fixes problems and maintains the building

No issues

Financial HealthTax liens, water debt, unpaid city charges

93Excellent

Legal & EnforcementCity lawsuits and legal actions against the building owner

No issues

Maintenance HistoryBoiler, facade, and routine upkeep inspection records

No issues

Violations by Year↑ Worsening

Total: 53 violations · Peak: 13 in 2025

Event Activity by Category

Complaints

66

Violations

53

Financial

27

Inspections

22

Compliance

14

Permits

12

Total: 194 events across 6 categories

Key Statistics

39

Housing Violations→

(20 open)

City-documented problems with living conditions

Near average

10

Class C (Hazardous)→

Immediately dangerous conditions requiring urgent repair

5.6x neighborhood avg

5

Building Violations→

Department of Buildings code violations

Near average

16

Building Complaints→

Building-related 311 complaints (housing, safety, maintenance — excludes noise, parking, street)

Near average

7

Permits Issued→

Approved construction or renovation work

Near average

2017

Built 9 years ago

↓Getting worse — 18 violations this year vs 13 last year

Sale History

Ownership changes, mortgages, and financial transactions recorded for this property.

Dec 23, 2025

Assignment

Recorded

CRFN: 2025000349166

May 25, 2022

Deed Transfer

Recorded

CRFN: 2022000212622

May 25, 2022

Deed Transfer — $5,000,000

Recorded

CRFN: 2022000212621

Aug 12, 2019

Tax Lien & Release

Recorded

CRFN: 2019000254917

May 1, 2019

SMIS

Recorded

CRFN: 2019000138749

Apr 8, 2019

Agreement — $650,000

Recorded

CRFN: 2019000110904

Apr 8, 2019

Agreement — $1,588,125

Recorded

CRFN: 2019000110903

Jun 24, 2010

Deed Transfer

Recorded

CRFN: 2010000211431

Dec 11, 2006

Satisfaction of Mortgage

Recorded

CRFN: 2006000677625

Oct 25, 2006

Satisfaction of Mortgage

Recorded

CRFN: 2006000596843

Oct 2, 2006

Mortgage — $105,000

Recorded

CRFN: 2006000552571

Jul 20, 2005

Agreement — $269,500

Recorded

CRFN: 2005000404156

Jul 20, 2005

Mortgage — $8,266.34

Recorded

CRFN: 2005000404155

Jul 20, 2005

Deed Transfer — $390,000

Recorded

CRFN: 2005000404152

Feb 2, 2005

Satisfaction of Mortgage

Recorded

CRFN: 2005000066729

Nov 16, 2004

Mortgage — $15,255.5

Recorded

CRFN: 2004000707743

Aug 26, 2004

Satisfaction of Mortgage

Recorded

CRFN: 2004000531402

Apr 22, 2003

Mortgage — $15,789.29

Recorded

CRFN: 2003000099507

Mar 16, 1999

Assignment

Recorded

Apr 8, 1994

Agreement

Recorded

Nov 30, 1987

Mortgage — $80,000

Recorded

Sep 29, 1987

SMIS

Recorded

Mar 1, 1976

Deed Transfer

Recorded

Mar 1, 1976

Mortgage

Recorded

No tax liens found for this property.

No litigation records found for this property.

Complete record of violations, complaints, permits, and other events for this building, newest first.

High Priority (2)

Complaint

Mar 23, 2026• 12 days ago

OPEN

UNSANITARY CONDITION — MOLD [EMERGENCY] (Apt 1F)

Type: EMERGENCY

Apartment: 1F

Space Type: BEDROOM

Unit Type: APARTMENT

Complaint Status: OPEN

Problem Status: OPEN

Received Date: Mar 23, 2026

Resolution: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair. HPD may attempt to contact the tenant by phone to

Complaint

Mar 4, 2026• 1 month ago

OPEN

HEAT/HOT WATER — ENTIRE BUILDING [EMERGENCY] (Apt 1F)

Type: EMERGENCY

Apartment: 1F

Space Type: BUILDING-WIDE

Unit Type: BUILDING-WIDE

Complaint Status: OPEN

Problem Status: CLOSE

Received Date: Mar 2, 2026

Resolution: HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for the property owner to correct any violations are av

Medium Priority (8)

Complaint

Mar 23, 2026• 12 days ago

OPEN

UNSANITARY CONDITION — PESTS [NON EMERGENCY] (Apt 1F)

Type: NON EMERGENCY

Apartment: 1F

Space Type: ENTIRE APARTMENT

Unit Type: APARTMENT

Complaint Status: OPEN

Problem Status: OPEN

Received Date: Mar 23, 2026

Resolution: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair. HPD may attempt to contact the tenant by phone to

Complaint

Mar 23, 2026• 12 days ago

OPEN

UNSANITARY CONDITION — PESTS [NON EMERGENCY] (Apt 1F)

Type: NON EMERGENCY

Apartment: 1F

Space Type: ENTIRE APARTMENT

Unit Type: APARTMENT

Complaint Status: OPEN

Problem Status: OPEN

Received Date: Mar 23, 2026

Resolution: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair. HPD may attempt to contact the tenant by phone to

Complaint

Mar 23, 2026• 12 days ago

OPEN

UNSANITARY CONDITION — PESTS [NON EMERGENCY] (Apt 1F)

Type: NON EMERGENCY

Apartment: 1F

Space Type: ENTIRE APARTMENT

Unit Type: APARTMENT

Complaint Status: OPEN

Problem Status: OPEN

Received Date: Mar 23, 2026

Resolution: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair. HPD may attempt to contact the tenant by phone to

Complaint

Mar 4, 2026• 1 month ago

OPEN

UNSANITARY CONDITION — PESTS [NON EMERGENCY] (Apt 1F)

Type: NON EMERGENCY

Apartment: 1F

Space Type: ENTIRE APARTMENT

Unit Type: APARTMENT

Complaint Status: OPEN

Problem Status: CLOSE

Received Date: Mar 2, 2026

Resolution: HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for the property owner to correct any violations are av

Complaint

Mar 4, 2026• 1 month ago

OPEN

UNSANITARY CONDITION — PESTS [NON EMERGENCY] (Apt 1F)

Type: NON EMERGENCY

Apartment: 1F

Space Type: ENTIRE APARTMENT

Unit Type: APARTMENT

Complaint Status: OPEN

Problem Status: CLOSE

Received Date: Mar 2, 2026

Resolution: HPD conducted an inspection of this complaint. The conditions observed by the inspector did not violate the housing laws enforced by HPD. The complaint has been closed.

Complaint

Mar 4, 2026• 1 month ago

OPEN

UNSANITARY CONDITION — PESTS [NON EMERGENCY] (Apt 1F)

Type: NON EMERGENCY

Apartment: 1F

Space Type: ENTIRE APARTMENT

Unit Type: APARTMENT

Complaint Status: OPEN

Problem Status: CLOSE

Received Date: Mar 2, 2026

Resolution: HPD inspected this condition so the complaint has been closed. Violations were issued. The law provides the property owner time to correct the condition(s). Violation descriptions and the dates for the property owner to correct any violations are av

Housing Violation

Mar 4, 2026• 1 month ago

OPEN

Class B: § 27-2026 ADM CODE REPLACE THE BROKEN OR DEFECTIVE WASH BASIN IN THE BATHROOM LOCATED AT APT 1F UPPER LEVEL, 1st STORY, 1st APARTMENT FROM NORTH AT EAST

Class: B

Apartment: 1F

Floor: 1

Status: VIOLATION OPEN

Rent Impairing: Yes

Status Date: Mar 4, 2026

Housing Violation

Mar 4, 2026• 1 month ago

OPEN

Class B: § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1F,

Class: B

Apartment: 1F

Floor: 1

Status: VIOLATION OPEN

Status Date: Mar 4, 2026

Informational (1)

Tax Record

Jan 1, 2027• Today

Assessed

Tax Year 2027 Market Value: $1,196,000 Exemptions: $527,054

Owner: TOWNHOUSE RENTAL, L.L.C.

Year Built: 2,017

Building Class: C1

Gross Area: 5,970 sqft

Units: 8

Stories: 4

Zoning: R6

Assessed Value: $538,200

Market Value: $1,196,000

Other Events (9)

311 Complaint

Mar 23, 2026• 12 days ago

OPEN

MOLD

Complaint Type: UNSANITARY CONDITION

Descriptor: MOLD

Descriptor2: N/A

Resolution Description: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair.

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Mar 23, 2026• 12 days ago

OPEN

PESTS

Complaint Type: UNSANITARY CONDITION

Descriptor: PESTS

Descriptor2: ROACHES

Resolution Description: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair.

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Mar 23, 2026• 12 days ago

OPEN

PESTS

Complaint Type: UNSANITARY CONDITION

Descriptor: PESTS

Descriptor2: FLIES

Resolution Description: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair.

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Mar 23, 2026• 12 days ago

OPEN

PESTS

Complaint Type: UNSANITARY CONDITION

Descriptor: PESTS

Descriptor2: MICE

Resolution Description: The following complaint conditions are still open. HPD has already attempted to notify the property owner that the condition exists; the tenant should provide access for the owner to make the repair.

Agency: Department of Housing Preservation and Development

Location Type: RESIDENTIAL BUILDING

311 Complaint

Mar 12, 2026• 24 days ago

CLOSED

Banging/Pounding

Complaint Type: Noise - Residential

Descriptor: Banging/Pounding

Resolution Description: The New York City Police Department responded to the complaint and their investigation determined that no criminal violation existed. The condition was corrected without the need to issue a summons or

Closed Date: Mar 12, 2026

Agency: New York City Police Department

Location Type: Residential Building/House

311 Complaint

Mar 12, 2026• 24 days ago

CLOSED

Loud Music/Party

Complaint Type: Noise - Residential

Descriptor: Loud Music/Party

Resolution Description: The New York City Police Department responded to the complaint and their investigation determined that no criminal violation existed. The condition was corrected without the need to issue a summons or

Closed Date: Mar 12, 2026

Agency: New York City Police Department

Location Type: Residential Building/House

311 Complaint

Mar 6, 2026• 1 month ago

CLOSED

Loud Music/Party

Complaint Type: Noise - Residential

Descriptor: Loud Music/Party

Resolution Description: The New York City Police Department responded to the complaint and with the information available observed no evidence of a criminal violation at that time. If the problem persists, please contact 311

Closed Date: Mar 6, 2026

Agency: New York City Police Department

Location Type: Residential Building/House

311 Complaint

Mar 6, 2026• 1 month ago

CLOSED

Loud Music/Party

Complaint Type: Noise - Residential

Descriptor: Loud Music/Party

Resolution Description: The New York City Police Department responded to the complaint and their investigation determined that no criminal violation existed. The condition was corrected without the need to issue a summons or

Closed Date: Mar 6, 2026

Agency: New York City Police Department

Location Type: Residential Building/House

311 Complaint

Mar 6, 2026• 1 month ago

CLOSED

Loud Music/Party

Complaint Type: Noise - Residential

Descriptor: Loud Music/Party

Resolution Description: The New York City Police Department responded to the complaint and their investigation determined that no criminal violation existed. The condition was corrected without the need to issue a summons or

Closed Date: Mar 6, 2026

Agency: New York City Police Department

Location Type: Residential Building/House

Property Details

Year Built

2017

Total Units

8

Residential Units

8

Building Class

C1

Location

BBL

3032590018

Zipcode

11237

Location

Open in Google Maps ↗

Property Owner

TOWNHOUSE RENTAL, L.L.C.

Registered owner of 306 Stockholm Street

Owner Portfolio

50

Buildings

C

Avg Grade

This owner has a pattern of issues across their portfolio

64

Avg Health

B: 29C: 12D: 9

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This report is an informational tool based on publicly available government records and does not constitute a “consumer report” under the Fair Credit Reporting Act. Building grades are editorial opinions and should not be used as the sole basis for housing, lending, or employment decisions. Data sourced from HPD, DOB, DOF, ECB, FDNY, 311, and other NYC agencies. Report errors to data@openstoop.com. See our Terms and Privacy Policy.