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20 Seaman Avenue, Manhattan

📍 Washington Heights, Manhattan Built 1926 65 units Class D1 Residential
Registered to SCOTT SILVERMAN LLC / Partnership HPD registration · updated monthly
CRITICAL RISK
19 Open Violations
8C 7B 4A
18 Complaints (12 mo) ↓ down vs prior year
0 Last 30 Days
Renting here? This building has 8 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

0
Last 30 Days
1
Last 90 Days
18
Last 365 Days
✅ Complaints are down 50% compared to the previous 6 months.
🐀 7 pest infestation complaints filed with HPD since 2024
Complaint Types (Last 12 Months)
HEAT/HOT WATER
9(50%)
PLUMBING
4(22%)
ELECTRIC
4(22%)
APPLIANCE
1(6%)
📅 Monthly Activity Heatmap (Last 12 Months)
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul

Source: NYC 311 / HPD · Synced daily · Covers HPD-managed residential buildings · Records from Jan 2024 onward

DOHMH Rat Inspection History

17 Inspections on Record
Passed Most Recent Result
2025-10-27 Most Recent Date
2025-10-27 Initial Passed
2024-10-22 Initial Passed
2023-12-26 Initial Passed
2022-07-14 Compliance Passed
2022-06-22 Initial Failed for Rat Activity
2021-02-12 Initial Passed
2019-02-27 Initial Passed
2018-01-31 Initial Passed
2017-06-20 Initial Passed
2016-03-17 Initial Passed
2015-10-15 Initial Passed
2014-11-18 Initial Passed
2014-06-09 Initial Passed
2013-10-29 Initial Passed
2012-04-17 Initial Passed
2011-02-23 Initial Passed
2010-01-06 Initial Passed

Source: NYC DOHMH Rodent Inspections · Synced daily (30-day lookback) · Inspections may cover the building's block, not the exact address · DOHMH data publishes with ~10-day lag

HPD Housing Violations

4 Class A
7 Class B
8 Class C
Driving this immediately hazardous rating
Class C Active mice infestation 2025-08-20
Class C Active roach infestation 2025-08-20
See all 19 violations ▼
Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-20 ▼

Violation ID: #18175888

Current Status: Open

Date Issued: 2025-08-20T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-20 ▼

Violation ID: #18175889

Current Status: Open

Date Issued: 2025-08-20T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM NORTH AT EAST
2025-07-21 ▼

Violation ID: #18103724

Current Status: Open

Date Issued: 2025-07-21T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM NORTH AT EAST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM NORTH AT EAST
2025-07-21 ▼

Violation ID: #18103725

Current Status: Open

Date Issued: 2025-07-21T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM NORTH AT EAST

Class C § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING HOOK AND EYE AT BUILDING ENTRANCE DOOR AT PUBLIC HALL, 1st STORY
2025-07-21 ▼

Violation ID: #18103731

Current Status: Open

Date Issued: 2025-07-21T00:00:00.000

Description: § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING HOOK AND EYE AT BUILDING ENTRANCE DOOR AT PUBLIC HALL, 1st STORY

Class C § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION ''CENTER''
2025-01-15 ▼

Violation ID: #17624485

Current Status: Open

Date Issued: 2025-01-15T00:00:00.000

Description: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION ''CENTER''

Class C § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR TO BOILER ROOM LOCKED AT BASEMENT
2025-01-15 ▼

Violation ID: #17624486

Current Status: Open

Date Issued: 2025-01-15T00:00:00.000

Description: § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR TO BOILER ROOM LOCKED AT BASEMENT

Class C § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING HOOK AND EYE AT BUILDING ENTRANCE DOOR
2024-09-04 ▼

Violation ID: #17246082

Current Status: Open

Date Issued: 2024-09-04T00:00:00.000

Description: § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING HOOK AND EYE AT BUILDING ENTRANCE DOOR

Class B § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-20 ▼

Violation ID: #18175884

Current Status: Open

Date Issued: 2025-08-20T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

Class B § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-20 ▼

Violation ID: #18175885

Current Status: Open

Date Issued: 2025-08-20T00:00:00.000

Description: § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

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 DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-20 ▼

Violation ID: #18175886

Current Status: Open

Date Issued: 2025-08-20T00:00:00.000

Description: § 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 DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH AT 1ST WINDOW FROM SOUTH AT WEST IN THE 3rd ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-20 ▼

Violation ID: #18175887

Current Status: Open

Date Issued: 2025-08-20T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH AT 1ST WINDOW FROM SOUTH AT WEST IN THE 3rd ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE SOUTH WALL IN THE 2nd ROOM FROM EAST LOCATED AT APT 4I, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-03-30 ▼

Violation ID: #17800610

Current Status: Open

Date Issued: 2025-03-30T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE SOUTH WALL IN THE 2nd ROOM FROM EAST LOCATED AT APT 4I, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE AIR VALVE AT RADIATOR AT NORTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION ''CENTER''
2025-01-15 ▼

Violation ID: #17624487

Current Status: Open

Date Issued: 2025-01-15T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE AIR VALVE AT RADIATOR AT NORTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION ''CENTER''

Class B § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION ''CENTER''
2025-01-15 ▼

Violation ID: #17624488

Current Status: Open

Date Issued: 2025-01-15T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 2nd APARTMENT FROM NORTH AT EAST , SECTION ''CENTER''

Class A § 27-2014 ADM CODE AND DEPT. RULES AND REGULATIONS. SCRAPE AND REMOVE RUST SCALES AND PAINT WITH 2 COATS OF PAINT ALL STORIES, ALL BALCONIES, ALL COMPONENTS AT SOUTH STACK AT BUILDING FRONT AT FIRE ESCAPE
2025-07-21 ▼

Violation ID: #18103732

Current Status: Open

Date Issued: 2025-07-21T00:00:00.000

Description: § 27-2014 ADM CODE AND DEPT. RULES AND REGULATIONS. SCRAPE AND REMOVE RUST SCALES AND PAINT WITH 2 COATS OF PAINT ALL STORIES, ALL BALCONIES, ALL COMPONENTS AT SOUTH STACK AT BUILDING FRONT AT FIRE ESCAPE

Class A § 27-2014 ADM CODE AND DEPT. RULES AND REGULATIONS. SCRAPE AND REMOVE RUST SCALES AND PAINT WITH 2 COATS OF PAINT ALL STORIES, ALL BALCONIES, ALL COMPONENTS AT NORTH STACK AT BUILDING FRONT AT FIRE ESCAPE
2025-07-21 ▼

Violation ID: #18103733

Current Status: Open

Date Issued: 2025-07-21T00:00:00.000

Description: § 27-2014 ADM CODE AND DEPT. RULES AND REGULATIONS. SCRAPE AND REMOVE RUST SCALES AND PAINT WITH 2 COATS OF PAINT ALL STORIES, ALL BALCONIES, ALL COMPONENTS AT NORTH STACK AT BUILDING FRONT AT FIRE ESCAPE

Class A § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE 1st WINDOW FRAME FROM SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 4I, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-03-30 ▼

Violation ID: #17800607

Current Status: Open

Date Issued: 2025-03-30T00:00:00.000

Description: § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE 1st WINDOW FRAME FROM SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 4I, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

Class A § 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION THE 1st RISER FROM SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 4I, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-03-30 ▼

Violation ID: #17800608

Current Status: Open

Date Issued: 2025-03-30T00:00:00.000

Description: § 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION THE 1st RISER FROM SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 4I, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

⚠️ What does Class C mean?

Class C violations are classified as immediately hazardous by the HPD (e.g. lack of heat or hot water, active mold, severe rodent infestations, lead-based paint, or carbon monoxide detector issues). Landlords are legally required to resolve these immediately.

Source: NYC HPD Housing Violations · Synced daily · Open violations only — closed violations excluded · Class I (administrative/registration notices) excluded from counts

What This Means If You're Considering Renting Here

This building has 8 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 18 complaints filed in the last 12 months, prospective renters should exercise significant caution, request a full HPD inspection history, and consult a tenant rights organization before signing any lease.

Data current as of July 9, 2026. Always verify independently with HPD before signing a lease.

Data Disclaimer: All compliance data on this page is synced directly from municipal reports published via NYC Open Data. Complaint counts and HPD housing violations are updated daily. Building characteristics (built year, unit count, and building class) are derived from the NYC Department of City Planning's PLUTO database.

Data last updated: July 9, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 18 complaints and 8 Class C (immediately hazardous) violations on record in the last 12 months. Review the full violation list carefully before signing any lease.

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About This Data

Complaint data is sourced from the NYC 311 Service Requests dataset (NYC Open Data). Violation data is from the HPD Housing Maintenance Code Violations dataset. Building info is based on NYC PLUTO by NYC Department of City Planning.

All records are public-domain municipal data provided as-is. Updated daily. Last verified: July 9, 2026.