18 4 AVENUE — Rent Intelligence for Park Slope, NYC

Park Slope · Brooklyn, NY, 11217

Built 19462 floors2 unitsBBL 4012110018

Current rent range

$2,848 – $5,980 / mo

5 bedroom bands tracked · sampled from recent listings

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★★★★★0.00 reviews

Verified reviewsTFOwned byTRIANGLE FIVE SEVEN LLC1 bldg

18 4 AVENUE

Brooklyn, NY, 11217

18 4 AVENUE, Brooklyn, NY, 11217 is a 2-unit rental building in Park Slope, NYC. See every violation, 311 complaint, tenant review, and the LucidIQ score — before you sign a lease.

HPD violations0last 7 years · class A, B, C

Evictions filed0last 7 years

Tenant reviews0no reviews yet

Rent-stab units—no coverage

Building age80 ybuilt 1946

311 complaints0last 7 years

01 / 10

Rental intelligence.

Neighborhood Median Rent

Brooklyn · March 2026

Studio

$3,350/mo

1 BR

$3,500/mo

2 BR

$3,870/mo

3 BR

$4,820/mo

4 BR

$5,200/mo

Compare this building's listings above against the neighborhood medians.

Seasonal Pattern

Best & worst months to sign a lease

Cheapest

March

Most expensive

May

JFMAMJJASOND

Potential savings: ~7% by timing your move to March.

Units Historic Rent 0 listings

—No dataNo recent listings

Neighborhood Rent Range Brooklyn

Studio

$3,350

$3,422 – $3,537

1 Bed

$4,720

$4,720

2 Bed

$4,400

$4,400

3 Bed

$4,820

$4,097 – $5,543

4 Bed

$5,200

$4,420 – $5,980

Range (P25 – P75)MedianBased on recent listings in Brooklyn

01 / 09

Rental intelligence.

01b / 09

Rent trends.

Prospect Park

Quarterly market rent, 2014–2026 (latest = Q1 2026 forecast)

Asking rent

$3,296

current quarter

Effective rent

—

per bedroom only

YoY change

-0.4%

asking, vs 1 yr ago

10-year change

16%

asking, since ~'16

Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.

01b / 09

Rent trends.

02 / 10

Neighborhood risks.

within 0.75 mi

72 nearby

within 0.75 mi

Public-safety

shelters, methadone, halfway, sex offenders

24/7 Noise

sirens, construction, schools, rail, avenue traffic

Environmental

brownfields, industrial zones, sanitation

Block-level

1213

311 noise, rats, bedbug history

Sources: NYC DHS · DOB · 311 · DSNY · FDNY · NYS DCJS · NYS DECSee full report

02 / 10

Neighborhood risks.

02 / 10

Violations, 311, & more.

hpd · dob · 311 · acris
last 7 years

Violation & Complaint Trends

Monthly counts over the last 7 years · all data sources

Steady

HPDTop Violations

0 total

No violations
0

311Top Complaints

0 total

No complaints
0

DOBTop Filings

2 total

DOB Violations
2

EvictionsEvictions

0 filed

Evictions filed
0

Recent records

Last 7 years

—NO RECORDS—
No HPD records on file in the last 7 years.

See all 0 HPD records

02 / 09

Violations, 311, & more.

03 / 10

What tenants actually say.

0.0 /5

★ ★ ★ ★ ★

0 reviews

5★

4★

3★

2★

1★

No published reviews yet. Be the first to tell future tenants what it's really like to live here.

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03 / 09

What tenants actually say.

04 / 10

Building amenities.

Building Amenities

0 amenities

BUILDING

No amenities on file yet

04 / 09

Building amenities.

05 / 10

The landlord.

TRIANGLE FIVE SEVEN LLC

Portfolio of 1 building

Portfolio-level grade reflects the landlord's buildings across NYC, weighted by unit count. Individual building grades may differ.

View full landlord profile

buildings

3.8

avg score / 5

B+

portfolio grade

nearby owned

Ownership timeline · this building

ACRIS deeds and regulatory filings

1946Building constructed2 units · 2 floors
nowTRIANGLE FIVE SEVEN LLCOwner of record per HPD registration.

05 / 09

The landlord.

06 / 10

Location & daily life.

18 4 AVENUE · Brooklyn · 40.750° N, -73.906° W

Walk

Transit

Bike

Estimated from nearby transit & amenity data

4 bus stops nearby2 min

5 schools nearby3 min

The neighborhood

Park Slope

Park Slope is the quintessential Brooklyn family neighborhood — brownstone-lined streets, Prospect Park on the doorstep, excellent schools, and a Whole Foods for the stroller set.

9,874buildings tracked3.8avg LucidIQ$4,720median 1BR

43,045population$153kmedian income71%renters

Family-FriendlyLeafyExpensiveCommunity FeelParks

Explore Park Slope

Browse all NYC neighborhoods

06 / 09

Location & daily life.

07 / 10

About this area.

Park Slope · 11217

Neighborhood overview

Park Slope→

Vibe · top buildings · landlords · schools · transit

Crime in 11217

See full breakdown→

Incident type · 6-month trend · vs. New York City average

Rent trends in Park Slope

Median rent & comparables→

1BR & 2BR averages · month-over-month · current listings

Nearby neighborhoods to explore

Prospect Heights· 0.93 mi Crown Heights· 0.96 mi Bedford-Stuyvesant· 1.09 mi Park Slope· 1.1 mi Carroll Gardens· 1.17 mi

08 / 10

History of the building.

construction · ownership · permits

1940195019601970198019902000201020202030

1946

Building constructed

2 units · 2 floors · class F1

now

Current owner: TRIANGLE FIVE SEVEN LLC

Registered owner on file.

07 / 09

History of the building.

10 / 10

Frequently asked questions.

Rent Comparison

Studio
This building: $2,848 – $3,852
4% belowArea: $3,480
1 Bed
This building: $2,975 – $4,025
26% belowArea: $4,720
2 Bed
This building: $3,290 – $4,451
12% belowArea: $4,400
3 Bed
This building: $4,097 – $5,543
—Area: —
4+ Bed
This building: $4,420 – $5,980
—Area: —

Review Summary

0 reviews

0.0 / 5

Mixed feedbackBased on 0 reviews

Read all 0 reviews →

Neighborhood Vibe

Park Slope is the quintessential Brooklyn family neighborhood — brownstone-lined streets, Prospect Park on the doorstep, excellent schools, and a Whole Foods for the stroller set.

Family-FriendlyLeafyExpensiveCommunity FeelParks

Energy Score

No energy benchmarking on file.

Walkability & Transit

Car-dependentTransit score · 4 nearby stops

Nearest TransitBus · 2 min walk

Nearby Stops4

Bus

Estimated from nearby transit stop data

Nearby Transit

BUS

58 ST/38 AVQ18
0.1 mi2 min
58 ST/39 AVQ18
0.1 mi3 min
58 ST/BROADWAYQ18
0.2 mi3 min
58 ST/WOODSIDE AVQ18
0.3 mi6 min

Nearby Schools & Colleges

PUBLIC SCHOOLS

The Woodside Community SchoolElementary
0.2 mi3 min
Northwell School Of Health SciencesHigh School
0.2 mi5 min
Motion Picture Technical High SchoolHigh School
0.2 mi5 min
Gotham Tech High SchoolHigh School
0.2 mi5 min

CHARTER SCHOOLS

Academy Of The City Charter SchoolK-8
0.5 mi10 min

PRIVATE SCHOOLS

St Sebastian Catholic AcademyElementary
0.3 mi5 min
Greater New York AcademyHigh School
0.4 mi9 min
Razi SchoolElementary
0.5 mi11 min

Safety & Crime

Below averageSafety score · last 12 months

LAST 12 MONTHS · 11217

Violent218

Property1,430

Quality-of-life2,068

Total incidents3,202

PRECINCT

Top precinct#78

NYPD CompStat · updated weekly

At a glance

Year built1946

Floors2

Total units2

ClassF1

BBL4012110018

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08 / 09

18 4 AVENUE

Rental intelligence.

Rent trends.

Neighborhood risks.

Violations, 311, & more.

What tenants actually say.

Building amenities.

The landlord.

Location & daily life.

About this area.

History of the building.

Frequently asked questions.

Similar buildings nearby.

18 4 AVENUE — Rent Intelligence for Park Slope, NYC

18 4 AVENUE

Rental intelligence.

Rental intelligence.

Rent trends.

Rent trends.

Neighborhood risks.

Neighborhood risks.

Violations, 311, & more.

Violations, 311, & more.

What tenants actually say.

What tenants actually say.

Building amenities.

Building amenities.

The landlord.

TRIANGLE FIVE SEVEN LLC

The landlord.

Location & daily life.

Park Slope

Location & daily life.

About this area.

History of the building.

History of the building.

Frequently asked questions.

Similar buildings nearby.

18 4 AVENUE — Rent Intelligence for Park Slope, NYC

Rental intelligence.

Rent trends.

Neighborhood risks.

Violations, 311, & more.

What tenants actually say.

Building amenities.

The landlord.

TRIANGLE FIVE SEVEN LLC

Location & daily life.

Park Slope

History of the building.