How well maintained is this building?

There are 3 open HPD violations on record, including 2 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 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 112 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 Dyker Heights is about $2,550/month for a one-bedroom.

839 Bay Ridge Avenue

Dyker Heights·Brooklyn

⚪Pre-War

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Violation & building data

Violation data updated Jul 1

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

Building overview

Area Avg$2,5501-bed neighbourhood

Value—needs listing data

Violations2 critical

BuildingWalk-up

Data as of Jul 1, 2026

Building Quality

How is this calculated?

1.5/ 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 1 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 3-story building located in Dyker Heights, containing 6 residential units. Built in 1931.

Neighborhood

Dyker Heights →

The neighborhood: Dyker Heights

Brooklyn · 8,923 buildings tracked

Median asking rent: $2,550 2BR

Full Dyker Heights 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

Safety1
Window/Door1
Heat/Hot Water1

Severity Key

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

Show Critical Only (Class C)

Heat/Hot Water
READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BASEMENT
Nov 29, 2023Class C
Window/Door
THE BROKEN OR DEFECTIVE MORTISE LOCK AND ASSEMBLY AT VESTIBULE DOOR , 1st STORY
May 10, 2021Class C
Safety
ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING AIR CONDITIONER PROTRUDING BEYOND WINDOW SILL AT 3RD STORY, BALCONY AT SOUTH STACK, BUILDING FRONT
May 10, 2021Class 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.
2 Bed	—	$2,550	—
3+ Bed	—	$3,800	—

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

C.Y.L. 8 REALTY LLC

Responsiveness Score

112days

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 3 open HPD violations on record, including 2 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 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 112 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 Dyker Heights is about $2,550/month for a one-bedroom.

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