How well maintained is this building?

There are 8 open HPD violations on record, including 3 Class C (the city's most serious category). That's higher than typical for the neighborhood (1 average per building).

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 2 noise complaints with 311 in the past year, above the neighborhood median of 1 among buildings with any noise complaints.

How responsive is management to problems?

Resolved violations at this building closed in about 231 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 Fort Greene is about $4,692/month for a one-bedroom.

21 Greene Avenue

Fort Greene·Brooklyn

🔴2 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$4,6921-bed neighbourhood

Value—needs listing data

Violations3 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 1928

Things to Know

Real considerations before you sign

Open critical violations
3 Class C (immediately hazardous)
Top complaint type at this building
28 heat complaints in past year
Higher noise than typical for the neighborhood
2 noise complaints in past year (vs 1 median)

How we pick these

Neighbourhood mapOpen in Google Maps

About this building

A 6-story building located in Fort Greene, containing 86 residential units. Built in 1928.

Neighborhood

Fort Greene →

The neighborhood: Fort Greene

Brooklyn · 2,104 buildings tracked

Median asking rent: $4,692 1BR · $6,776 2BR

8thAvCrosstownFultonSt

2 subway stations nearby

6 parks · 1.5 acres · incl. University Place

Full Fort Greene 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

Higher than typical for this neighborhood (8 vs 1 average per building).

Top issues

Window/Door5
Pests2
Mold1

Severity Key

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

Show Critical Only (Class C)

Pests
ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4P, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH , SECTION ''EAST''
Feb 4, 2026Class C
Pests
ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6G, 6th STORY, 3rd APARTMENT FROM EAST AT SOUTH
Jan 12, 2026Class C
Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALLANCE AT LOWER SASH WINDOW IN THE KITCHEN LOCATED AT APT 1J, 1st STORY
Jun 10, 2024Class C
Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE OF LOWER SASH AT SOUTH 1 WINDOW IN THE 1st ROOM FROM EAST LOCATED AT APT 4F, 4th STORY, 4th APARTMENT FROM EAST AT SOUTH
Jun 8, 2026Class B
Window/Door
RCNY § 25-171; & 67 (7)(B) MDL; NYC FIRE CODE § 703.1.3; NYC FIRE CODE § 703.2: ADJUST DOOR TO PREVENT GAPS BETWEEN THE TOP AND SIDE EDGES OF DOOR AND DOOR JAMB EXCEEDING THE MAXIMUM ALLOWABLE CLEARANCE OF 1/8 OF AN INCH AND MAXIMUM ALLOWABLE CLEARANCE OF 3/4 OF AN INCH BETWEEN THE DOOR BOTTOM AND SILL AT . IN THE ENTRANCE LOCATED AT APT 4F, 4th STORY, 4th APARTMENT FROM EAST AT SOUTH
Jun 8, 2026Class B

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	—	$3,855.5	—
1 Bed	—	$4,692	—
2 Bed	—	$6,775.5	—
3+ Bed	—	$8,300	—

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

BISHOP FRANCIS J. MUGAVERO SENIOR

Responsiveness Score

231days

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 8 open HPD violations on record, including 3 Class C (the city's most serious category). That's higher than typical for the neighborhood (1 average per building).
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 2 noise complaints with 311 in the past year, above the neighborhood median of 1 among buildings with any noise complaints.
How responsive is management to problems?: Resolved violations at this building closed in about 231 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 Fort Greene is about $4,692/month for a one-bedroom.

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