How well maintained is this building?

There are 36 open HPD violations on record, including 22 Class C (the city's most serious category).

Is this building rent-stabilized?

Yes — this building appears on the DHCR rent-stabilized building list. Ask the landlord to confirm whether a specific apartment is stabilized.

How noisy is this building?

Neighbors filed 1 noise complaint with 311 in the past year, about the neighborhood median of 1.

How responsive is management to problems?

Resolved violations at this building closed in about 130 days on average (NYC average is roughly 45 days). Open items are listed in the Safety & Violations section above.

What does it cost to live here?

We don't have current listings for this building. Typical asking rent in Midwood is about $3,038/month for a one-bedroom.

801 East 9th Street

Midwood·Brooklyn

🔴4 Pest Alerts

⚪Pre-War

Scroll for details

Violation & building data

Violation data updated Jul 1

Sources: NYC Department of Buildings, NYC Housing Preservation & Development +1 more

Building overview

Area Avg$3,037.51-bed neighbourhood

Value—needs listing data

Violations22 critical

BuildingElevator

Data as of Jul 1, 2026

Building Quality

How is this calculated?

0.0/ 10Significant Issues

Based on open violations, 311 complaint patterns, and amenities.

Unit Value

How is this calculated?

Limited data — verify with a tour.

Compared to typical rent for this neighborhood and bedroom count.

Highlights

What's great about this place

Pre-war character
Built in 1937

Things to Know

Real considerations before you sign

Open critical violations
22 Class C (immediately hazardous)
Top complaint type at this building
8 heat complaints in past year
Significant issues across building data
See violation history below for details

How we pick these

Neighbourhood mapOpen in Google Maps

About this building

A 6-story building located in Mapleton-Midwood (West), containing 65 residential units. Built in 1937.

Neighborhood

Midwood →

The neighborhood: Midwood

Brooklyn · 12,026 buildings tracked

Median asking rent: $3,038 1BR · $3,650 2BR

BrightonBroadway

1 subway station nearby

1 park · 1.6 acres · incl. Kolbert Playground

Full Midwood guide

Available Units

0 active

No past listings.

Past and off-market units will appear here when data is available.

Safety & Violations

Safety Record

Active Violations

Open HPD violations on record for this building.

Top issues

Lead Paint26
Pests4
Window/Door4

Severity Key

Class C: Immediately Hazardous (Major)
Class B: Hazardous (Moderate)
Class A: Non-Hazardous (Minor)

Show Critical Only (Class C)

Water/Plumbing
HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT EAST WALL IN THE BATHROOM LOCATED AT APT 4G, 4th STORY, 1st APARTMENT FROM WEST AT NORTH , SECTION ''EAST''
Dec 18, 2024Class C
Lead Paint
CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY PERFORMING ACTIVITIES NECESSARY TO ABATE TESTED LEAD-BASED PAINT FROM REQUIRED WINDOW AND/OR DOOR FRICTION SURFACES FOR APARTMENT AND MAKE FLOORS SMOOTH AND CLEANABLE, POSITIVE LEAD-BASED PAINT IN AN APARTMENT WITH A CHILD UNDER SIX LOCATED AT APT 5E, 5th STORY, 2nd APARTMENT FROM WEST AT NORTH
Oct 10, 2024Class C
Lead Paint
CORRECT FAILURE TO PROVIDE TO THE DEPARTMENT WITHIN 45 DAYS OF DEMAND ALL RECORDS REQUIRED TO BE MAINTAINED BY OWNER PURSUANT TO LOCAL LAW 1 OF 2004 RELATED TO LEAD-BASED PAINT NOTICES, INSPECTIONS AND REMEDIATION/ABATEMENT ACTIVITIES.
Sep 18, 2024Class C
Lead Paint
CORRECT FAILURE TO NOTIFY OCCUPANTS AND/OR TO INVESTIGATE LEAD-BASED PAINT HAZARDS.
Sep 18, 2024Class C
Lead Paint
CORRECT THE LEAD-BASED PAINT HAZARD-PAINT THAT IS XRF TESTED INCONCLUSIVE FOR LEAD CONTENT AT 0.5MG/CM2 AND IS PRESUMED LEAD PAINT AS SET FORTH IN (28 RCNY §11-07(b)) AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE-USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(b)(2) 1st DOOR FROM SOUTH AT WEST WALL, 1st DOOR FRAME FROM SOUTH AT WEST WALL IN THE BATHROOM LOCATED AT APT 4L, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH
Aug 5, 2024Class C

Market Value Estimate

Statistical estimate based on publicly available listing data. Not an appraisal. See disclaimer.Market data as of Jul 1, 2026.

Comp Matrix

Unit Type	This Bldg	Area Avg	Diff.
Studio	—	$3,337.5	—
1 Bed	—	$3,037.5	—
2 Bed	—	$3,575	—
3+ Bed	—	$3,850	—

Value Verdict

Insufficient listing or market data to compute a verdict for this building.

Rent vs. Buy Analysis

No listing data available to estimate rent vs. buy.

Management & Operations

Management & Performance

Owner/Operator

900 ASSETS LLC

Responsiveness Score

130days

Average time to resolve violations

Slower than NYC average (45 days)

We haven't verified this building's policies yet. Pet, utility, and leasing details appear here once we've reviewed the management company's official site — we only show policies we can source, never assumptions.

Living here — quick answers

Every answer comes from public records for this specific building — we skip questions we can't answer with data.

How well maintained is this building?: There are 36 open HPD violations on record, including 22 Class C (the city's most serious category).
Is this building rent-stabilized?: Yes — this building appears on the DHCR rent-stabilized building list. Ask the landlord to confirm whether a specific apartment is stabilized.
How noisy is this building?: Neighbors filed 1 noise complaint with 311 in the past year, about the neighborhood median of 1.
How responsive is management to problems?: Resolved violations at this building closed in about 130 days on average (NYC average is roughly 45 days). Open items are listed in the Safety & Violations section above.
What does it cost to live here?: We don't have current listings for this building. Typical asking rent in Midwood is about $3,038/month for a one-bedroom.

Similar buildings in Midwood