635 Riverside Dr

Heat or hot waterApt 8C complaint

Boilers class - 2 · DOB violation

Heat or hot waterApt 6A complaint

Heat or hot waterApt 8C complaint

Show 139 more

Heat or hot waterApt 5C class C · closed · HPD violation

Heat or hot waterApt 2A complaint

Heat or hot waterApt 11G complaint

Heat or hot waterApt 4E complaint

Heat or hot waterApt 11F complaint

Heat or hot waterApt 8B complaint

Heat or hot waterApt 1A complaint

Heat or hot waterApt 11D complaint

Heat or hot waterApt 3B complaint

Heat or hot waterApt 10B complaint

Heat or hot waterApt 11D complaint

Heat or hot waterApt 2C complaint

Heat or hot waterApt 9C complaint

Heat or hot waterApt 11D complaint

Boilers class - 2 · DOB violation

Heat or hot waterApt 6E complaint

Heat or hot waterApt 6E complaint

Heat or hot waterApt 2C complaint

Boilers class - 2 · DOB violation

BE-EXT-LP Boiler DOB violation

BE-EXT-LP Boiler DOB violation

Heat or hot waterApt 11E complaint

Heat source

Boiler burning natural gas (Rockmills MP-175), registration expired since Nov 2021

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Dec 2025, defects reported: yes

DOB NOW: Safety Boiler, as of 2026-10-17 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2013

DOB Permit Issuance (BIS), as of 2026-10-19

What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

Heat and hot water complaints

78 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · See the complaints at HPD Online →

What this counts

HPD complaints, heat season 2025–26 (Oct 1–May 31)

Water and pipes

Issues on record · 51 complaints, 2024–2026 · 31 in the past year

What has happened here

Leaks class B · HPD violation

PlumbingApt 5D complaint

Plumbing, leaksApt 4C complaint

PlumbingApt 2B complaint

LeaksApt 3A complaint

LeaksApt 2C class B · closed · HPD violation

Show 82 more

LeaksApt 2C class B · closed · HPD violation

PlumbingApt 2C class B · closed · HPD violation

LeaksApt 1A class B · closed · HPD violation

PlumbingApt 3E complaint

PlumbingApt 2F complaint

PlumbingApt 2C complaint

LeaksApt 2B class B · closed · HPD violation

PlumbingApt 2B class B · closed · HPD violation

LeaksApt 7A complaint

Plumbing, leaksApt 8C complaint

PlumbingApt 5A complaint

LeaksApt 2F complaint

PlumbingApt 6E complaint

Plumbing complaint

PlumbingApt 3D complaint

PlumbingApt 9F complaint

PlumbingApt 3D complaint

LeaksApt 2A complaint

LeaksApt 9E complaint

Plumbing complaint

PlumbingApt 11D complaint

PlumbingApt 9F complaint

LeaksApt 4E complaint

PlumbingApt 3B complaint

PlumbingApt 2B complaint

LeaksApt 8B complaint

PlumbingApt 1A complaint

PlumbingApt 5C complaint

2025 Jul

LeaksApt 10C complaint

LeaksApt 6A complaint

PlumbingApt 6A complaint

LeaksApt 6D complaint

PlumbingApt 8B complaint

LeaksApt 6D complaint

Plumbing complaint

PlumbingApt 10C complaint

Plumbing, leaksApt 7C complaint

LeaksApt 11C complaint

LeaksApt 5D complaint

LeaksApt 11D complaint

LeaksApt 11E complaint

Leaks complaint

LeaksApt 5C complaint

LeaksApt 11F complaint

PlumbingApt 4F complaint

PlumbingApt 5D complaint

Plumbing, leaksApt 5D complaint

2024 Aug

2024 Aug

LeaksApt 7B complaint

LeaksApt 4D complaint

LeaksApt 10D complaint

PlumbingApt 8C complaint

PlumbingApt 3B complaint

PlumbingApt 6E complaint

Plumbing, leaksApt 10C complaint

PlumbingApt 2B complaint

LeaksApt 1A complaint

LeaksApt 1A complaint

PlumbingApt 6F complaint

Water service line

Non-Lead (records)

Lead Service Line Location Coordinates, as of 2026-01-30

Pests and cleanliness

Issues on record · 47 complaints, 2024–2026 · 33 in the past year

What has happened here

PestsApt 8C complaint

PestsApt 8C class C · HPD violation

PestsApt 6A complaint

PestsApt 8C complaint

PestsApt 8B complaint

PestsApt 5D complaint

Show 65 more

PestsApt 2B class C · HPD violation

PestsApt 3A complaint

PestsApt 5C complaint

PestsApt 3A complaint

PestsApt 11E complaint

PestsApt 3E complaint

Mold, pestsApt 2C complaint

MoldApt 1B complaint

PestsApt 8C complaint

MoldApt 2B complaint

PestsApt 7A complaint

MoldApt 8C complaint

Unsanitary conditionsApt 5C complaint

MoldApt 3D complaint

PestsApt 7A complaint

MoldApt 6A complaint

Unsanitary conditionsApt 4E complaint

Mold, pestsApt 7D complaint

Unsanitary conditionsApt 6A complaint

MoldApt 5D complaint

MoldApt 10C complaint

Unsanitary conditionsApt 4F complaint

PestsApt 4C complaint

PestsApt 4C complaint

MoldApt 2A complaint

Electrical

6 complaints, 2024–2026 · 2 in the past year

What has happened here

ElectricalApt 8C complaint

ElectricalApt 3D complaint

ElectricalApt 2B complaint

2025 Jun

ElectricalApt 11B complaint

2025 Jun

ElectricalApt 11B complaint

ElectricalApt 8C complaint

Show 8 more

ElectricalApt 10D complaint

ElectricalApt 2A complaint

ElectricalApt 5C complaint

ElectricalApt 2A complaint

ElectricalApt 6C complaint

ElectricalApt 4C complaint

ElectricalApt 2B complaint

ElectricalApt 6C complaint

Flooding

No issues on record

FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-19

What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

Extreme storm, 2080 sea levels: Not in mapped flooding; Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable)

NYC Stormwater Flood Maps, as of 2024-07-03

What this counts

Mapped ponding touching the building footprint

BasementWhole tax lot

Below grade

PLUTO (tax lot data), as of 2026-08-24

Elevators

Issues on record (2024) · 2 complaints, 2025–2026 · 1 in the past year

What has happened here

VT-CAT1-CO Elevators DOB violation

VT-PER-CO Elevators DOB violation

Elevators complaint

Elevators class - 1 · DOB violation

Show 8 more

Elevators complaint

Elevators class - 1 · DOB violation

2022 Oct

Elevators class - 1 · DOB violation

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

2017 Jan

(Other Bldgs Types) - Elevator Affirmation Of Correction DOB violation

Elevators

2 active elevators; latest periodic inspection Jul 2025

DOB NOW Elevator Safety Compliance, as of 2026-10-18 · See this building's elevators on NYC Open Data →

What this counts

Active elevator devices registered to this building ID

Rent and tenancy

On the state list

Rent stabilization

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations)

Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30

What this counts

The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR

Energy

ENERGY STAR score 86 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25

What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

HPD violations

102 open: 98 about building conditions — walls, floors and stairs (32), doors and windows (12), pests (10), smoke or CO detectors (8); 28 immediately hazardous (class C), 4 about paperwork or notices. 25 further violations from 2026 were closed. 1,766 violations on record in all, 2000–2026 — the 945 most recent are listed here

Walls, floors and stairsApt 8C class B

Walls, floors and stairs class A

Walls, floors and stairsApt 8C class B

Show 42 more

Smoke or CO detectorsApt 2B class B

Smoke or CO detectorsApt 2B class B

Walls, floors and stairs class A

Other conditions class A

Walls, floors and stairs class A · paperwork

Walls, floors and stairs class A

PestsApt 2B class C

Heat or hot waterApt 5C class C · closed

Fire safetyApt 2B class C · closed

Fire safetyApt 2B class C · closed

LeaksApt 2C class B · closed

Walls, floors and stairsApt 2C class B · closed

LeaksApt 2C class B · closed

PlumbingApt 2C class B · closed

LeaksApt 1A class B · closed

Doors and windowsApt 1A class B · closed

Walls, floors and stairsApt 1A class B · closed

Walls, floors and stairsApt 1A class B · closed

Walls, floors and stairsApt 2B class A · closed

Lead-based paintApt 2B class C · closed

Walls, floors and stairsApt 2B class B · closed

Walls, floors and stairsApt 2B class A · closed

LeaksApt 2B class B · closed

PlumbingApt 2B class B · closed

Walls, floors and stairsApt 2B class B · closed

Walls, floors and stairsApt 9A class B · closed

Other conditionsApt 9A class B · closed

and 52 more at the source

Housing Maintenance Code Violations, as of 2026-10-19 · Read these violations in full at HPD Online →

What this counts

Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify

DOB violations

27 open: 20 about building conditions, 6 about filings or paperwork, 1 older than 10 years

Construction class - 2

Construction class - 2

Construction class - 3

Show 17 more

Construction class - 3

Elevators class - 1

No Report And / Or Late Filing (Facade)

Construction class - 1

2023 Feb

2022 Oct

Elevators class - 1

(Other Bldgs Types) - Elevator Affirmation Of Correction

(Other Bldgs Types) - Elevator Affirmation Of Correction

2018 Oct

Local Law class - 2

2018 Jul

No Report And / Or Late Filing (Facade)

(Other Bldgs Types) - Elevator Affirmation Of Correction

(Other Bldgs Types) - Elevator Affirmation Of Correction

2017 Jan

(Other Bldgs Types) - Elevator Affirmation Of Correction

and 2 more at the source

DOB Violations, as of 2026-10-18 · Read these violations in full at DOB →

What this counts

Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major

Resident complaints to the city

120 heat or hot water, 36 plumbing, 29 doors or windows, 26 leaks, 24 pests, 15 paint or plaster, 14 mold, 12 floors or stairs, 11 general repairs, 11 unsanitary conditions, 8 safety, 7 electrical, 3 appliances, 2 elevators

Heat or hot waterApt 8C

Floors or stairs, paint or plaster, pestsApt 8C

PestsApt 6A

Heat or hot waterApt 6A

Floors or stairs, heat or hot water, paint or plaster, pestsApt 8C

PestsApt 8B

Doors or windows, plumbing, pestsApt 5D

Appliances, pestsApt 3A

Show 297 more

Elevators, unsanitary conditions

Heat or hot water, unsanitary conditions

Plumbing, leaksApt 4C

Floors or stairs, paint or plaster, plumbing, pestsApt 2B

Doors or windowsApt 11D

Doors or windows, plumbing, pestsApt 11E

Doors or windowsApt 10E

Plumbing, pestsApt 3E

Doors or windows, plumbingApt 2F

Plumbing, mold, pestsApt 2C

Doors or windowsApt 2B

Doors or windowsApt 1A

Doors or windows

Doors or windows, general repairsApt 11C

PestsApt 2B

Paint or plasterApt 8C

PestsApt 8C

General repairs, moldApt 2B

PestsApt 2B

Paint or plaster, pestsApt 2B

Floors or stairs, paint or plasterApt 2B

Doors or windowsApt 6A

Paint or plasterApt 7A

Doors or windows, electrical, floors or stairs, general repairs, plumbing, mold, leaksApt 8C

PlumbingApt 5A

LeaksApt 2F

Doors or windowsApt 6E

Unsanitary conditionsApt 5C

Electrical, floors or stairs, plumbing, moldApt 3D

Heat or hot waterApt 2A

Heat or hot waterApt 11G

LeaksApt 6C

Heat or hot waterApt 4E

Heat or hot waterApt 11F

Heat or hot waterApt 8B

Heat or hot waterApt 1A

LeaksApt 6C

General repairsApt 7D

Paint or plasterApt 7D

LeaksApt 4E

Heat or hot waterApt 11D

Heat or hot water, paint or plaster, plumbing, moldApt 3B

Heat or hot waterApt 10B

Heat or hot waterApt 11D

Doors or windows, floors or stairs, plumbingApt 11C

Floors or stairs, paint or plaster, moldApt 5D

Electrical, plumbing, pestsApt 2B

Doors or windows, paint or plaster, plumbingApt 1A

Doors or windows, floors or stairs, general repairs, plumbingApt 5C

Doors or windowsApt 11E

General repairsApt 11E

Paint or plaster, plumbing, moldApt 6A

LeaksApt 6D

General repairsApt 4E

Unsanitary conditionsApt 4E

Heat or hot water, leaksApt 6C

Doors or windowsApt 4D

General repairs, mold, pestsApt 7D

Doors or windowsApt 10C

General repairs, safetyApt 6F

MoldApt 8B

Floors or stairs, leaksApt 6D

Doors or windows, floors or stairs, paint or plaster, plumbing, moldApt 2A

Elevators

Heat or hot waterApt 2C

Doors or windowsApt 7E

Floors or stairsApt 6C

General repairs, plumbing, leaksApt 7C

Doors or windowsApt 7E

Appliances, doors or windows, paint or plaster, leaksApt 11C

Unsanitary conditionsApt 6A

Doors or windows, safety, mold, leaksApt 5D

Heat or hot waterApt 9C

Heat or hot waterApt 11D

Doors or windowsApt 7E

Doors or windows, general repairs, paint or plaster, moldApt 10C

Heat or hot waterApt 6E

Heat or hot waterApt 6E

Heat or hot waterApt 2C

Heat or hot water, safetyApt 5C

PlumbingApt 4F

Doors or windowsApt 4F

Unsanitary conditionsApt 4F

Doors or windows, paint or plaster, plumbing, moldApt 5D

Doors or windows, plumbing, mold, leaksApt 5D

Doors or windows, floors or stairs, paint or plasterApt 11C

Doors or windows, paint or plaster, plumbingApt 11C

Elevators, unsanitary conditions

Doors or windows, floors or stairs, plumbingApt 11C

General repairsApt 10F

Doors or windows, electrical, paint or plaster, plumbing, moldApt 2A

ElectricalApt 5C

Doors or windowsApt 8C

ElectricalApt 2A

Doors or windowsApt 2A

Floors or stairs, paint or plaster, plumbingApt 2A

Doors or windows, plumbing, moldApt 2A

Doors or windows, floors or stairs, paint or plaster, plumbingApt 11C

General repairsApt 8C

Doors or windows, paint or plaster, plumbing, moldApt 8C

Doors or windows, moldApt 8B

Paint or plasterApt 3A

Doors or windowsApt 3B

Doors or windows, plumbing, moldApt 3B

Doors or windows, floors or stairs, paint or plasterApt 10D

Doors or windows, paint or plaster, plumbing, leaksApt 10C

Electrical, floors or stairs, heat or hot waterApt 6C

Electrical, floors or stairs, general repairsApt 4C

PestsApt 4C

Doors or windows, electrical, general repairs, paint or plaster, plumbing, moldApt 2B

Appliances, doors or windows, paint or plaster, moldApt 4A

PestsApt 4C

Heat or hot waterApt 11E

Electrical, floors or stairsApt 6C

LeaksApt 1A

Paint or plaster, plumbing, moldApt 2A

LeaksApt 1A

Appliances, floors or stairs, general repairs, plumbing, safetyApt 6F

Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · See the complaints at HPD Online →

What this counts

HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years

Permit history

32 permits since 1990

2022 Aug

2021 Apr

General construction permit, Plumbing permit

2019 May

2018 Dec

2018 Jul

General construction permit, Plumbing permit

2017 Apr

2016 Mar

Plumbing permit

2016 Feb

and 24 more at the source

DOB NOW: Build – Approved Permits, as of 2026-10-17 · See every permit at DOB →

What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

Everything else on record

Floors or stairs, paint or plasterApt 8C complaint

Floors or stairs, paint or plasterApt 8C complaint

Smoke or CO detectorsApt 2B class B · HPD violation

Smoke or CO detectorsApt 2B class B · HPD violation

Doors or windowsApt 5D complaint

Other conditions class A · HPD violation

Show 85 more

AppliancesApt 3A complaint

Unknown class - 2 · DOB violation

Floors or stairs, paint or plasterApt 2B complaint

Doors or windowsApt 11D complaint

Doors or windowsApt 11E complaint

Doors or windowsApt 10E complaint

SafetyApt 10A complaint

SafetyApt 9C complaint

Doors or windowsApt 2F complaint

Doors or windowsApt 2B complaint

SafetyApt 1F complaint

Doors or windowsApt 1A complaint

Doors or windows complaint

Doors or windows, general repairsApt 11C complaint

Paint or plasterApt 8C complaint

General repairsApt 2B complaint

Paint or plasterApt 2B complaint

Other conditionsApt 9A class B · closed · HPD violation

Floors or stairs, paint or plasterApt 2B complaint

Doors or windowsApt 6A complaint

Paint or plasterApt 7A complaint

Doors or windows, floors or stairs, general repairsApt 8C complaint

Doors or windowsApt 6E complaint

Floors or stairsApt 3D complaint

General repairsApt 7D complaint

Paint or plasterApt 7D complaint

Paint or plasterApt 3B complaint

Doors or windows, floors or stairsApt 11C complaint

Floors or stairs, paint or plasterApt 5D complaint

Doors or windows, paint or plasterApt 1A complaint

Doors or windows, floors or stairs, general repairsApt 5C complaint

Doors or windowsApt 11E complaint

General repairsApt 11E complaint

Paint or plasterApt 6A complaint

General repairsApt 4E complaint

AppliancesApt 8C complaint

Doors or windowsApt 4D complaint

General repairsApt 7D complaint

Doors or windowsApt 10C complaint

General repairs, safetyApt 6F complaint

Floors or stairsApt 6D complaint

Doors or windows, floors or stairs, paint or plasterApt 2A complaint

Doors or windowsApt 7E complaint

Floors or stairsApt 6C complaint

General repairsApt 7C complaint

Doors or windowsApt 7E complaint

Appliances, doors or windows, paint or plasterApt 11C complaint

Doors or windows, safetyApt 5D complaint

Doors or windowsApt 7E complaint

Doors or windows, general repairs, paint or plasterApt 10C complaint

SafetyApt 5C complaint

Doors or windowsApt 4F complaint

Doors or windows, paint or plasterApt 5D complaint

Doors or windowsApt 5D complaint

Doors or windows, floors or stairs, paint or plasterApt 11C complaint

AppliancesApt 10D complaint

AppliancesApt 10D complaint

2024 Aug

Doors or windows, paint or plasterApt 11C complaint

Safety complaint

Paint or plaster complaint

Doors or windows, floors or stairsApt 11C complaint

General repairsApt 10F complaint

Doors or windows, paint or plasterApt 2A complaint

Doors or windowsApt 8C complaint

Doors or windowsApt 2A complaint

Floors or stairs, paint or plasterApt 2A complaint

Doors or windowsApt 2A complaint

Local Law class - 2 · DOB violation

Doors or windows, floors or stairs, paint or plasterApt 11C complaint

General repairsApt 8C complaint

Doors or windows, paint or plasterApt 8C complaint

Paint or plasterApt 3A complaint

Doors or windowsApt 8B complaint

Doors or windowsApt 3B complaint

Doors or windowsApt 3B complaint

Doors or windows, floors or stairs, paint or plasterApt 10D complaint

Doors or windows, paint or plasterApt 10C complaint

Floors or stairsApt 6C complaint

Floors or stairs, general repairsApt 4C complaint

Doors or windows, general repairs, paint or plasterApt 2B complaint

Appliances, doors or windows, paint or plasterApt 4A complaint

Floors or stairsApt 6C complaint

Paint or plasterApt 2A complaint