203 Underhill Avenue

203 Underhill Avenue in Prospect Heights, Brooklyn, has 30 open HPD violations, 12 of them class C, and 44 of 72 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (47/100).

Multi-family elevator · 72 units · Built 1912

StreetSpy grade: F (Severe, 47/100)

• 12 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 36 heat or hot water complaints to 311 in the last 12 months.
• The owner's bedbug filings report 21 infested units over the last 3 years, including re-infestations.
• 44 of 72 units are rent-stabilized; 61 on the 2007 tax bill.

More open violations per unit than 6 in 10 Brooklyn buildings this size.

• Repairs: Medium (30 open, 12 class C), records as of Oct 24, 2026
• Heat and hot water: 36 complaints, 12 mo, records as of Oct 23, 2026
• Pests: High (21 infested units, 3 yr, re-infested), records as of Oct 26, 2026
• Safety: Clear (3 open DOB violations), records as of Oct 23, 2026
• Registration: Through Sep 1, 2027, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

30 open violations: 12 class C (immediately hazardous), 18 class B, 0 class A. 55 issued in the last 12 months. 543 on record. Oldest open violation issued 2024-06-07. Newest violation issued 2026-09-29.

6 closed in the last 90 days. Median 87 days from issue to close for the 30 violations closed in the last 12 months.

• Class C: Damaged plaster or paint, 3rd room from the east, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH AND WEST WALLS IN THE 3rd ROOM FROM EAST LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3E), issued 2026-08-31. HPD violation 19170361
• Class C: Broken window or sash, bathroom, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE UPPER AND LOWER SASH WINDOW PANE AT SOUTH IN THE BATHROOM LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3E), issued 2026-08-31. HPD violation 19170358
• Class C: Damaged plaster or paint, ceiling, bathroom, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3E), issued 2026-08-31. HPD violation 19170362
• Class C: Leak or water damage, ceiling, bathroom, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3E), issued 2026-08-10. HPD violation 19127000
• Class C: Damaged plaster or paint, ceiling, bathroom, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3E), issued 2026-08-10. HPD violation 19126998
• Class C: Damaged plaster or paint, ceiling, 4th room from the north, 6th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 4th ROOM FROM NORTH LOCATED AT APT 6A, 6th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 6A), issued 2026-05-12. HPD violation 18878822
• Class C: Floor or stair defect, kitchen, 2nd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC FLOOR TILE IN THE KITCHEN LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2A), issued 2026-04-03. HPD violation 18751088
• Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BASEMENT AT BOILER ROOM, issued 2026-04-03. HPD violation 18751094

311 housing complaints

51 in the last 12 months, 155 in 5 years. Most common: Heat/Hot Water (36), Unsanitary Condition (7), Paint/Plaster (4), Water Leak (3), Plumbing (1).

Bedbugs

The owner reported 21 infested units in the last 3 years, including re-infestations. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: Owner reported 10 infested, 10 treated, 0 re-infested
• 2023: Owner reported 11 infested, 11 treated, 1 re-infested
• 2022: Owner reported 3 infested, 3 treated, 0 re-infested
• 2021: Owner reported 5 infested, 5 treated, 0 re-infested

Buildings department (DOB)

3 open DOB violations, 2 of them Local Law violations issued before 2000. 21 DOB violations 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

44 of 72 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: 44 in 2024, 61 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: UNDERHILL WASHINGTON EQUITIES LLC. Head officer: EFSTATHIOS VALIOTIS. Managing agent: ALMA REALTY CORP. This owner has 60 buildings on record, 39 graded D or F. See the full portfolio.

Last HPD registration Jul 17, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 3011730001, HPD building ID 809709. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Eastern Pkwy-Brooklyn Museum (2, 3), 4 min walk
• Grand Army Plaza (2, 3), 5 min walk
• 7 Av (B, Q), 7 min walk

How the grade is calculated

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.