643 Madison Street
Class B
Class C
12 months to Aug 2026
rent-stabilized with
DHCR (most recent year)
units (PLUTO)
12 months through June 2026
rent
min walk
(311 complaints)
errands grade
nearby
Top insights
- Fewer open HPD violations than ~65% of buildings in this ZIP (1 open)
- Fewer HPD complaints than the neighborhood average (0 vs ~4)
- Built in 2015 (city records)
- Rent-stabilized: 6 of 6 units
About this building
City records list 2015 as the year built — newer than 86% of the 1,204 buildings we cover in ZIP 11221. The building’s floor space is 2.1 times the size of its lot: 4,326 sq ft of building on a 2,100 sq ft lot.
Comparisons with neighboring buildings, as of October 28, 2026.
643 Madison Street
Open in Google Street View ↗
- City records show 1 open HPD violation at this building. Ask which are still unresolved in the unit and the landlord’s timeline to clear them.
- The oldest open violation on record dates to 2021 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 6 rent-stabilized units here. Ask whether this specific unit is one of them, and ask the landlord for its legal regulated rent and lease history.
- Confirm the condition behind the most recent open violation was actually repaired, not just marked closed: Trace and repair the source and abate the visible mold condition... approximately 1 sq.ft….
643 Madison Street sits in Brooklyn, ZIP 11221. The closest subway is Kosciuszko St (J) (9-minute walk), served by the J line.
Building Condition
Issued December 2021. HPD marks a violation open until it is certified as corrected, so an old date can mean an unresolved condition or a repair that was never certified.
- 2021-08-09
- Class B · 1 open · penalty 5 · (5/ea)
- 2013-06-22
- 2008-04-27 "WORK W/OUT PERMIT"
- 1997-02-10
No HPD lead-paint violations on record. Built 2015, after the 1978 federal ban on lead paint in residential use. Owners must still address any lead hazard that is later identified.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 55
- ASSAULT 3 & RELATED OFFENSES: 52
- PETIT LARCENY: 43
- GRAND LARCENY: 29
- VEHICLE AND TRAFFIC LAWS: 29
- Noise - Residential: 97
- DOOR/WINDOW: 88
- HEAT/HOT WATER: 87
- UNSANITARY CONDITION: 83
- PAINT/PLASTER: 43
- 640 MONROE ST
- 220 MALCOLM X BLVD
- 895 GATES AVE
- P.S. 308 Clara Cardwell
- EMBER Charter School for Mindful Education, Innova
- P.S. 262 El Hajj Malik El Shabazz Elementary Schoo
- M.S. 267 Math, Science & Technology
- M.S. 143 Performing & Fine Arts
- P.S. 308 Clara Cardwell
- Frederick Douglass Academy IV Secondary School
- Kosciuszko St
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Dwana Smallwood Performing Arts Center, Inc.
- Halsey Garden
- La Cima Charter School
- Patrick Van Doren Pocket Park
- M.s. 267 Math, Science & Technology
- White Wave Rising: Young Soon Kim Dance Company
Internet providers serving this area
Internet providers available in this area — including fiber:
- Optimum Cable Fiber Up to 8,000 Mbps down · 8,000 Mbps up
- Verizon Fiber Up to 2,300 Mbps down · 2,300 Mbps up
How to check internet providers before signing an NYC lease →
Source: FCC Broadband Data Collection (NY, rev. May 2026). Wired broadband only — cable + fiber. DSL, satellite, and fixed-wireless not included. Block-level data; actual availability may vary by building.
Market & Availability
Latest news from Weverit.
Tenant guides, law changes, and neighborhood reports — written in plain English, sourced from the same public records that power Weverit building reports.

September 2026 NYC Housing Lotteries: Who Qualifies
28 lotteries, 965 affordable units — who qualifies by income, plus rents, AMI bands and application windows, from public records.
Read article →
NYC Housing Connect Login Problems: Recover Your Account
Locked out of NYC Housing Connect? Learn how to reset your password, recover your email access, avoid duplicate applications, and contact HPD.
Read article →
Your Housing Connect Log Number Came Up. Here's What to Check Before You Sign.
A Housing Connect listing tells you the rent and the apartment size. It does not tell you how the building is run. Seven public records to check before you sign — and what a clean record does not mean.
Read article →
NYC's Smallest Apartment Buildings Have Four Times More Dangerous Violations Per Apartment Than Its Largest
We measured open HPD violations per apartment across NYC buildings. Buildings with six units or fewer carry four times the immediately-hazardous violations per apartment that buildings of 38+ units do — and they are the least likely to draw attention.
Read article →
Pets in your NYC apartment: the no-pet clause, the three-month rule, and what your landlord can actually enforce
NYC's three-month pet rule may protect tenants in some buildings. Learn about landlord notice, court deadlines, exceptions, and how to document your case.
Read article →
How to find out who owns your NYC apartment building
Most NYC buildings are owned through LLCs. Here's how to trace the owner through ACRIS, HPD registration, and DOF records — step by step.
Read article →
How to check a NYC building's complaint history — and what it actually means
Complaints and violations are not the same thing. Here's how to read HPD and DOB records — and what the patterns actually tell you about a building.
Read article →Recent building reports from Weverit.
The most recently generated reports from real NYC addresses — independent due-diligence on buildings tenants are actually checking.
209 West 109th Street
Free public-records report for 209 West 109th Street: violations, complaints, rent stabilization, transit, schools.
Read report →170 West 107th Street
Free public-records report for 170 West 107th Street: violations, complaints, rent stabilization, transit, schools.
Read report →2966 Richmond Ter
Free public-records report for 2966 Richmond Ter: violations, complaints, rent stabilization, transit, schools.
Read report →430 Avenue Y
Free public-records report for 430 Avenue Y: violations, complaints, rent stabilization, transit, schools.
Read report →430-1 Caswell Avenue
Free public-records report for 430-1 Caswell Avenue: violations, complaints, rent stabilization, transit, schools.
Read report →2505 23rd Street
Free public-records report for 2505 23rd Street: violations, complaints, rent stabilization, transit, schools.
Read report →Check another building
Pull the same public-records report for any NYC address — free, no signup.
Never miss an affordable apartment
Weverit's lottery digest tracks new NYC Housing Connect lotteries and no-lottery re-rentals — one curated email.
Get the lottery digest →