335 3rd Street

335 3rd Street in Park Slope, Brooklyn, has 122 open HPD violations, 13 of them class C, and 4 of 8 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (49/100).

Multi-family walk-up · 8 units · Built 1920

StreetSpy grade: F (Severe, 49/100)

More open violations per unit than 9 in 10 Brooklyn buildings this size.

How the grade works

Housing code violations (HPD)

122 open violations: 13 class C (immediately hazardous), 77 class B, 32 class A. 1 issued in the last 12 months. 184 on record. Oldest open violation issued 2005-07-14. Newest violation issued 2026-04-30.

HPD recorded no violation closed here in the last 12 months.

12 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

311 housing complaints

0 in the last 12 months, 5 in 5 years.

Bedbugs

No bedbug filing on record for the last 3 years. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

Buildings department (DOB)

1 open DOB violation. 1 DOB violation on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

4 of 8 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 4 in 2024, 5 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 3RD STREET PROPERTIES LLC. Head officer: DOMINICK F GUARNA. Managing agent: DFG MANAGEMENT SERVICES. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Oct 22, 2021. HPD registration expired Sep 1, 2022 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.

Tax lot and city IDs

BBL 3009740055, HPD building ID 128610. HPD Online, ACRIS, DOB BIS.

Nearest subway

How the grade is calculated

FactorOn recordPoints
Open HPD violations122 open (13 class C, 77 class B, 32 class A). 12 rent-impairing−45
311 housing complaints (12 mo)None0
Bedbug reports (3 yr)None reported0
Executed evictions (3 yr)None0
Housing litigationNo open cases0
Open DOB violations1 open DOB violation−3
Density cap152.5 per 10 units (about 15 per apartment). Grade capped at F: 100 or more open HPD violations per 10 units.−3

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-27.