1021 UNION STREET — Rent Intelligence for Crown Heights, NYC

Crown Heights · Brooklyn, NY, 11225

Built 19302 floors2 unitsBBL 3011850063

Current rent range

$1,836 – $3,864 / mo

5 bedroom bands tracked · sampled from recent listings

Leave a review

★★★★★2.01 reviews

Verified reviewsSJOwned bySIALEU, JULIENNE1 bldg

1021 UNION STREET

Brooklyn, NY, 11225

1021 UNION STREET is a mid-century 1930 building, 2 units in Crown Heights, NYC. Owned by SIALEU, JULIENNE. Public records show 2 open violations, 1 311 complaint, 4 active litigation matters on file. Lucid Rents has 1 verified tenant review on this building.

HPD violations2last 7 years · class A, B, C

Evictions filed0last 7 years

Tenant reviews12.0 ★ avg

Rent-stab units—no coverage

Building age96 ybuilt 1930

311 complaints1last 7 years

01 / 10

Rental intelligence.

Neighborhood Median Rent

Brooklyn · March 2026

Studio

$2,160/mo

1 BR

$2,260/mo

2 BR

$2,500/mo

3 BR

$3,120/mo

4 BR

$3,360/mo

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

Seasonal Pattern

Best & worst months to sign a lease

Cheapest

November

Most expensive

July

JFMAMJJASOND

Potential savings: ~13% by timing your move to November.

Rent vs. area median Brooklyn

Studio

This building: $1,836 – $2,484

—Area: —

1 BR

This building: $1,921 – $2,599

29% aboveArea: $1,750

2 BR

This building: $2,125 – $2,875

40% belowArea: $4,176

3 BR

This building: $2,652 – $3,588

—Area: —

4 BR

This building: $2,856 – $3,864

—Area: —

Units Historic Rent 0 listings

—No dataNo recent listings

Neighborhood Rent Range Brooklyn

Studio

$2,160

$1,836 – $2,484

1 Bed

$1,750

$1,750

2 Bed

$4,176

$4,176

3 Bed

$3,120

$2,652 – $3,588

4 Bed

$3,360

$2,856 – $3,864

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

85 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

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

Worsening

HPDTop Violations

2 total

Roof/Ceiling
1

311Top Complaints

1 total

Request Large Bulky Item Collection
6
Noise - Street/Sidewalk
4
Sewer
2
DOOR/WINDOW
2
HEAT/HOT WATER
1

DOBTop Filings

0 total

DOB Violations
0

EvictionsEvictions

0 filed

Evictions filed
0

Violations by Unit

(2 units)

UnitViolationsOpenLast Inspected

Recent records

Last 7 years

Class BNOV SENT OUTAug 17, 2022
§ 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF UNLEVEL BATHTUB NOT ABLE TO DRAIN ,ON UPPER LEVEL IN THE BATHROOM LOCATED AT APT PVT, 1st STORY, 1st APARTMENT FROM WEST AT NORTH
Class BFIRST NO ACCESS TO RE- INSPECT VIOLATIONAug 2, 2022
§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX 9 SQ FT AT CEILING IN THE BATHROOM LOCATED AT APT 1STFLO, 1st STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 15289903 ISSUED 02-AUG-22 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).

See all 2 HPD records

02 / 09

Violations, 311, & more.

03 / 10

What tenants actually say.

2.0 /5

★ ★ ★ ★ ★

1 reviews

5★

4★

3★

2★

100%

1★

Pros: Beautiful house, partially enclosed front porch, roof deck and location are awesome Cons: The Landlord. Neighbors screamed at us on signing day telling us not to rent and now we know why. Julienne Sialeu (look h…

negativeJul 2022

Anonymous

View all 1 reviews

03 / 09

What tenants actually say.

04 / 10

Building amenities.

Building Amenities

1 amenity

OTHER

Has Evictions

04 / 09

Building amenities.

05 / 10

The landlord.

SIALEU, JULIENNE

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

2.0

avg score / 5

C-

portfolio grade

nearby owned

Ownership timeline · this building

ACRIS deeds and regulatory filings

1930Building constructed2 units · 2 floors
nowSIALEU, JULIENNEOwner of record per HPD registration.

05 / 09

The landlord.

06 / 10

Crime & safety.

07 / 10

About this area.

08 / 10

History of the building.

construction · ownership · permits

At a glance

Year built1930

Floors2

Total units2

ClassB1

BBL3011850063

19301940195019601970198019902000201020202030

1930

Building constructed

2 units · 2 floors · class B1

now

Current owner: SIALEU, JULIENNE

Registered owner on file.

Recent Activity

20 events

311MEDIUMMay 26, 2023
Lead — Lead Kit Request (Residential) (L10)
311MEDIUMNov 14, 2022
HEAT/HOT WATER — ENTIRE BUILDING
311MEDIUMAug 26, 2022
Noise — Noise: Construction Equipment (NC1)
HPDMEDIUMAug 17, 2022
HPD Class B Violation — § 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF UNLEVEL BATHTUB NOT ABLE TO DRAIN ,ON UPPER LEVEL IN THE BATHROO
311MEDIUMAug 6, 2022
General Construction/Plumbing — Building Permit - None
HPDMEDIUMAug 2, 2022
HPD Class B Violation — § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROX 9 SQ FT AT CEILING IN THE BA
311MEDIUMJul 29, 2022
DOOR/WINDOW — DOOR FRAME
311MEDIUMJul 29, 2022
FLOORING/STAIRS — FLOOR
311MEDIUMMay 10, 2022
Plumbing — Plumbing-Defective/Leaking/Not Maintained
311MEDIUMApr 28, 2022
DOOR/WINDOW — WINDOW FRAME

07 / 09

History of the building.

10 / 10

Frequently asked questions.

10 / 10

NYC-specific insights.

08 / 09

Similar buildings nearby.

Building record last updated 4 months ago. Sourced from HPD, DOB, 311, and Lucid Rents data syncs.