810 Washington Avenue

810 Washington Avenue in Prospect Heights, Brooklyn, has 17 open HPD violations, 5 of them class C, and 6 of 6 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: D (57/100).

Multi-family walk-up · 6 units · Built 1910

StreetSpy grade: D (Poor, 57/100)

• 5 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• The head officer on this registration is named on 91 buildings' registrations; 60 graded D or F.
• No housing complaints to 311 in the last 12 months.
• 6 of 6 units are rent-stabilized.

More open violations per unit than 7 in 10 Brooklyn buildings this size.

• Repairs: High (17 open, 5 class C), records as of Oct 24, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 23, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
• Safety: Medium (1 open DOB violation), 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)

17 open violations: 5 class C (immediately hazardous), 10 class B, 2 class A. 0 issued in the last 12 months. 218 on record. Oldest open violation issued 2012-03-15. Newest violation issued 2025-07-02.

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

• Class C: Missing window guards, throughout the apartment, 3rd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3L), issued 2025-07-02. HPD violation 12437002
• Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2022-05-13. HPD violation 15145632
• Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2020-01-14. HPD violation 13546440
• Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2019-04-09. HPD violation 13005216
• Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3L), issued 2019-04-03. HPD violation 12993217
• Class B: Mold, bathroom, 2nd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 2 SQUARE FEET AT SOUTH RECCESSED WALL IN THE BATHROOM LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 14826157 ISSUED 14-FEB-22 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 2L), issued 2022-06-15. HPD violation 15215045
• Class B: Mice, throughout the apartment, 3rd floor. ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2018-02-15. HPD violation 12240943
• Class B: Mice, 3rd floor. ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2017-03-24. HPD violation 11703337

311 housing complaints

0 in the last 12 months, 7 in 5 years.

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. 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 0 infested units
• 2023: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 6 infested, 6 treated, 0 re-infested

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 4 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

6 of 6 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: 6 in 2024, 6 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: M & M PROSPECT HEIGHTS, LLC. Head officer: MICHAEL V NIAMONITAKIS. Managing agent: MERIDIAN PROPERTIES LLC. This owner has 91 buildings on record, 60 graded D or F. See the full portfolio.

Last HPD registration Jul 22, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 3011730055, HPD building ID 388937. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Eastern Pkwy-Brooklyn Museum (2, 3), 3 min walk
• Park Pl (S), 6 min walk
• Botanic Garden (S), 6 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.