521 Montgomery Street
Brooklyn, NY 11225BBL 3-01298-0066Map
Owner of record: Zb 521 LLC
521 Montgomery Street is a two-family home built in 1925 in Brooklyn, 11225. It has 2 residential units across 2 floors. The owner of record is Zb 521 LLC. HPD has recorded 2 housing violations here, most recently on May 12, 2006. 2 of the 2 most recent violations are still open.
- HPD violations
- 2
- DOB violations
- 2
- ECB violations
- 14
- HPD complaints
- 4
What to know
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 2
- CImmediately hazardous
Abate the nuisance consisting of no electricity to in the entire apartment located at apt 2flr, 2nd story, apartment at south
May 12, 2006 · Apt 2FLR
Open — First no access to re- inspect violation - CImmediately hazardous
Abate the nuisance consisting of no electric in the entire apartment located at apt 1, 1st story
Apr 13, 2006 · Apt 1
Open — First no access to re- inspect violation
DOB building violations · 2
- Construction other optional
C-construction other optional
Mar 22, 2007
Dob violation - active - Construction other optional
C-construction other optional
Mar 22, 2007
Dob violation - active
ECB violations · 14
- Class - 2
At time of inspection observed active job permit #b01007533-i1-pl expires on 6/07/26 are not posted at the premises, valid permit need to beposted., post/properly post permit
Feb 4, 2026
Resolve - Class - 2
At time of inspection observed active job permit # b01286735-i1-sf expires on 4/18/26 are not posted at the premises., post/properly post permit
Feb 4, 2026
Resolve - Class - 2
Active job permits # b01060728-i1-gc-cx, b01007540-i1-fn,b01007528-i1-gc expires on 4/20/26 are not posted at the premises at time of inspection observed expires permit posted on the plywood, valid permit need
Feb 4, 2026
Resolve - Class - 2
At time of inspection observed active permit # b01108593-i1-el expires on 7/29/26 are not posted at the premises., post/properly post permit
Feb 4, 2026
Resolve - Class - 2
At the time of my inspection, i observed no construction activities site closed and at exposure #1 yodocks barriers on street partially enclosed 2 piles of bricks. upon review of the department recorders it r
Jan 12, 2026 · Penalty $625
Resolve - Class - 2
At time of inspection observed: supported scaffold installed at exposure# 2. upon review department record it appear; supported work permit has not yet been issued under application# b01286735-i1 creating an un
Sep 18, 2025 · Penalty $625
Resolve - Class - 2
At time of inspection observed: no construction activities, inadequate storage zone totally accessible, unattended with materials, debris 4 feet height approx.. contrary to bc 3303.4.7 creating unsafe condition
Sep 18, 2025 · Penalty $1,250
Resolve - Class - 1
At the time of my inspection i observed plastic barriers at street level in front of property which were not provided as per manufacturer's specification --- barriers were nor connecter to each other as requ
Aug 4, 2025 · Penalty $2,500
Resolve - Class - 2
Temporary construction equipment on site- expired permit. at time of inspection, observed temporary equipment, construction fence erected around the front perimeter of property, exposure 1, permit # b01007540-i
Sep 27, 2024 · Penalty $625
Resolve - Class - 2
Job site fence not constructed or maintained pursuant to subsection bc 3307.7 at time of inspection, observed temp equipment, construction fence, erected around the perimeter of the property exposure # 1 viewin
Sep 27, 2024 · Penalty $1,000
Resolve
Show 4 more ↓
- Hazardous
Failure to maintain exterior bldg wall. defect noted at west exterior wall vertical crack 1/8" wide running from foundation wall to parapet level. also horizontal separation 1/4"wide, 10'length at finish grade
Mar 22, 2007 · Penalty $2,500
Resolve - Hazardous
Plumbing work w/o a permit hazardous. observed 2 story & cellar residential dwelling gutted for rehab. all plumbing & heating pipe fixtures ere removed. gas service is locked at point of entry. sewer piping is
Mar 22, 2007 · Penalty $1,000
Resolve - Hazardous
Failure to maintain adequate housekeeping noted at rear of premises garage there exist storage of excavated soil from cellar piled-up uncontained. remedy: maintain adequate housekeeping & properly contain soil
Mar 22, 2007 · Penalty $1,000
Resolve - Hazardous
Work without a permit. work noted:at basement level of above premises a trench has been dug approx. 1 foot wide spaning the length of basement floor, exposing the old rotted sewer line.also note at time of
May 12, 2006
Resolve
Complaints
- Electric
Electric-supply
May 5, 2006 · Apt 2FLR
Close - Heating
Heat related
Apr 11, 2006 · Apt 2FLR
Close - Electric
Electric-supply
Apr 11, 2006 · Apt 2FLR
Close - General
Cooking gas
Apr 11, 2006 · Apt 2FLR
Close
Sales history
| Date | Price | Type | Units |
|---|---|---|---|
| Aug 26, 2026 | Non-market transfer | Two family dwellings | 2 |
Building details
- Building type
- Two-family home (B1)
- Year built
- 1925
- Floors
- 2
- Residential units
- 2
- Building area
- 2,400 ft²
- Lot area
- 3,194 ft²
- Zoning
- R5
- Community board
- 309
- Council district
- 35
- Block / lot
- 1298 / 66
- Assessed value
- $88,260
- Landmark / historic district
- No
Questions about 521 Montgomery Street
Who owns 521 Montgomery Street?
The owner of record in NYC Department of City Planning PLUTO data is Zb 521 LLC.
Does 521 Montgomery Street have violations?
Yes. NYC HPD has recorded 2 housing violations at this property.
Is 521 Montgomery Street rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 521 Montgomery Street built?
City records list 1925 as the year it was built.
How many apartments are in 521 Montgomery Street?
It has 2 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.