How well maintained is this building?

There are 9 open HPD violations on record, including 2 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 0 noise complaints with 311 in the past year — none on record for this building.

How responsive is management to problems?

Resolved violations at this building closed in about 515 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 Ditmas Park is about $2,650/month for a one-bedroom.

738 East 21st Street

Ditmas Park·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$2,6501-bed neighbourhood

Value—needs listing data

Violations2 critical

BuildingWalk-up

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 1931
Quieter than average for the neighborhood
0 noise complaints in past year (vs 2 median)

Things to Know

Real considerations before you sign

Open critical violations
2 Class C (immediately hazardous)
Significant issues across building data
See violation history below for details

How we pick these

Neighbourhood mapOpen in Google Maps

About this building

A 4-story building located in Flatbush, containing 21 residential units. Built in 1931.

The Building DNA

Building Services

Elevator

Doorman

Laundry in building

Gym

Parking

Pet-friendly

Unit Perks

In-unit laundry

Dishwasher

High-speed internet

Central A/C

Neighborhood

Ditmas Park →

The neighborhood: Ditmas Park

Brooklyn · 2,206 buildings tracked

Median asking rent: $2,650 1BR

Full Ditmas Park 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 (9 vs 1 average per building).

Top issues

Pests4
Mold3
Safety1

Severity Key

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

Show Critical Only (Class C)

Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 4B, 4th STORY, 1st APARTMENT FROM NORTH AT EAST
Dec 17, 2025Class C
Lead Paint
CORRECT FAILURE TO PROVIDE TO THE DEPARTMENT WITHIN 45 DAYS OF DEMAND ALL RECORDS REQUIRED TO BE MAINTAINED BY OWNER
Sep 19, 2016Class C
Mold
THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT CEILING APPROXIMATELY 8 SQ FT IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 15465482 ISSUED 06-NOV-22 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
Mar 9, 2023Class B
Mold
THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT EAST WALL APPROX 7 SQ FT IN THE KITCHEN LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 15305295 ISSUED 12-AUG-22 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
Dec 13, 2022Class B
Mold
THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT CEILING APPROXIMATELY 3 SQ FT IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 15220668 ISSUED 24-JUN-22 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
Oct 25, 2022Class 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	—	$2,800	—
1 Bed	—	$2,650	—
2 Bed	—	$3,500	—

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

738 EAST 21 HOLDING LLC

Responsiveness Score

515days

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 9 open HPD violations on record, including 2 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 0 noise complaints with 311 in the past year — none on record for this building.
How responsive is management to problems?: Resolved violations at this building closed in about 515 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 Ditmas Park is about $2,650/month for a one-bedroom.

Similar buildings in Ditmas Park