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645 Prospect Avenue

Bronx, NY 10455BBL 2-02674-0051Map

Owner of record: Prospect Union Assocs.

645 Prospect Avenue is an elevator apartment building built in 1985 in Bronx, 10455. It has 109 residential units across 6 floors. The owner of record is Prospect Union Assocs.. HPD has recorded 240 housing violations here, most recently on September 8, 2026. 13 of the 50 most recent violations are still open.

HPD violations
240
DOB violations
61
ECB violations
21
HPD complaints
495

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Watch
Last violation Sep 8, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. The newest 10 per agency here; the full lists are a click away.

HPD housing violations · 240

  • BHazardous

    Provide unlockable slide bolt and lock or hook on roof door that allows re entry from roof to public hall at 3rd public hall bulkhead from north, 6th story

    Sep 8, 2026

    Open — Nov certified on time
  • BHazardous

    Remove the illegal fastening consisting of panic bar installed on roof door that do not allow re-entry from roof to public hall. at 3rd public hall bulkhead from north, 6th story

    Sep 8, 2026

    Open — Nov certified on time
  • BHazardous

    Remove the illegal fastening consisting of panic bar installed on roof door that do not allow re-entry from roof to public hall. at 2nd public hall bulkhead from north, 6th story

    Sep 8, 2026

    Open — Nov certified on time
  • BHazardous

    Provide unlockable slide bolt and lock or hook on roof door that allows re entry from roof to public hall at 2nd public hall bulkhead from north, 6th story

    Sep 8, 2026

    Open — Nov certified on time
  • BHazardous

    Provide unlockable slide bolt and lock or hook on roof door that allows re entry from roof to public hall at 1st public hall bulkhead from north, 6th story

    Sep 8, 2026

    Open — Nov certified on time
  • BHazardous

    Remove the illegal fastening consisting of panic bar installed on roof door that do not allow re-entry from roof to public hall. at 1st public hall bulkhead from north, 6th story

    Sep 8, 2026

    Open — Nov certified on time
  • BHazardous

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 601, 6th story, 1st apartment from east at south , section ''north''

    Sep 8, 2026 · Apt 601

    Open — Civ14 mailed
  • BHazardous

    Repair, replace or provide an approved and operational smoke detecting device, installed in accordance with department of buildings rules and regulations missing in the entire apartment located at apt 601, 6th story, 1st apartment from east at south , section ''north''

    Sep 8, 2026 · Apt 601

    Open — Civ14 mailed
  • BHazardous

    Repair the broken or defective plastered surfaces and paint in a uniform color the ceiling in the 1st room from east located at apt 601, 6th story, 1st apartment from east at south , section ''north''

    Sep 8, 2026 · Apt 601

    Open — Civ14 mailed
  • BHazardous

    Repair the roof so that it will not leak above the ceiling in the 1st room from east located at apt 601, 6th story, 1st apartment from east at south , section ''north''

    Sep 8, 2026 · Apt 601

    Open — Civ14 mailed
See all 240 HPD violations (10 shown here)

DOB building violations · 61

  • Low pressure boiler boiler required

    Violation issued-failure to file 2020 external low pressure inspection

    Jun 30, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2019 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued-failure to file 2018 external low pressure inspection

    Jun 20, 2023

    Dob violation - active
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 14, 2019

    Dob violation - resolved
  • Elevator elevatorrequired

    E-elevator elevatorrequired

    Mar 14, 2019

    Dob violation - resolved
  • Failure to benchmark none

    Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4

    Feb 16, 2019

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2016 inspection report

    Apr 6, 2018

    Dob violation - active
  • Low pressure boiler boiler required

    Violation issued for failure to file annual boiler 2015 inspection report

    Feb 24, 2017

    Dob violation - dismissed
  • Failure to submit eer none

    Failure to submit an eer per ad. code sec. 28-308.4 - multiple years (2016)

    Feb 16, 2017

    Dob violation - dismissed
  • Failure to submit eer none

    Failure to submit an eer per ad. code sec. 28-308.4 - multiple years (2015)

    Sep 1, 2016

    Dob violation - dismissed
See all 61 DOB violations (10 shown here)

ECB violations · 21

  • Class - 1

    1) missing pit stop switch (cease use). 2) in-car communication inoperative. 3) cleaning of combustible materials in elevator pit. 3) securing/fastening on counterweights. 4) mr door damaged replace. 5) expired

    Jun 4, 2026 · Penalty $1,250

    Active
  • Class - 1

    Cease use items: 1) inaudible alarm and non working phone. 2) inoperative zone lock restrictor. class 2 items: repalce worn gibs where needed. secure gibs where needed. misalinged cab mirror. self resetting esc

    Jan 22, 2026 · Penalty $1,250

    Resolve
  • Class - 2

    Class 2: phone inoperative repair & connect service to 24 hr emergency operator. change in car stop switch from push in to pull out switch. car button station not tagged with device number provide nyc id tag. d

    Apr 30, 2024

    Resolve
  • Class - 2

    Class 2: upon inspection found device to be out of service. restore to service repair immediately as per 1rcny 11-02. when service restore contact nycdob at [email protected].

    Apr 30, 2024

    Resolve
  • Class - 1

    5-a-10, 16-l-10, 42-t-11, 61-m-7, 59-bb-5. c/u 5-a-10=door restrictor tampered with. rendered inoperative by removing lacking plate. c/u 16-l-10=hoist doors spring closers damage must repair to self close and t

    Feb 9, 2024 · Penalty $1,250

    Resolve
  • Class - 2

    Out of service. upon inspection, the device is found to be out-of-service remedy: restore to service immediately and, notify nycdob the device has been returned to service. e-mail [email protected] so an in

    Oct 11, 2023 · Penalty $3,125

    Resolve
  • Class - 2

    Elevator out of service on second floor; restore to service

    Jun 11, 2023

    Resolve
  • Class - 1

    Responding on a 311 elevator complaint, upon inspection violation was issued, device was found out -of- service as per 1rcny 11-02, remedy; restore to service immediately and, notify nycdob the device has been

    Jan 14, 2023 · Penalty $312

    Resolve
  • Class - 1

    Cu 45i11,44h11,56i11,58i11. 45-spring broken on governor; 44-sheave worn; 56-bolts broken on spider bear replace machine. email [email protected] to have the elevator tested.

    Nov 24, 2014 · Penalty $1,000

    Resolve
  • Class - 2

    11x10,39z03,35q03,42d06,68m07,100m07. 11x10-repair inoperative door open button in car station; 39z03-install guard for light top of car; 35q02-install cover for electrical box top of car; 42d06-secure relays

    Jun 3, 2013

    Resolve
See all 21 ECB violations (10 shown here)

Complaints

  • Plumbing

    Bathtub/shower

    Sep 4, 2026 · Apt 601

    Close
  • Unsanitary condition

    Mold

    Sep 4, 2026 · Apt 601

    Close
  • Plumbing

    Toilet

    Jul 16, 2026 · Apt 512

    Close
  • Paint/plaster

    Ceiling

    Jun 3, 2026 · Apt 203

    Close
  • Heat/hot water

    Apartment only

    Mar 17, 2026 · Apt 518

    Close
  • Unsanitary condition

    Mold

    Mar 17, 2026 · Apt 408

    Close
  • Unsanitary condition

    Pests

    Mar 17, 2026 · Apt 408

    Close
  • Heat/hot water

    Apartment only

    Mar 14, 2026 · Apt 518

    Close
  • Unsanitary condition

    Mold

    Feb 5, 2026 · Apt 408

    Close
  • Appliance

    Refrigerator

    Feb 5, 2026 · Apt 408

    Close
See all 495 HPD complaints (10 shown here)

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Elevator apartment building (D1)
Year built
1985
Floors
6
Residential units
109
Building area
112,536 ft²
Lot area
56,050 ft²
Zoning
R7-1
Community board
201
Council district
8
Block / lot
2674 / 51
Assessed value
$4,194,450
Landmark / historic district
No

HPD registration #222233, last renewed Jul 9, 2026.

Questions about 645 Prospect Avenue

Who owns 645 Prospect Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Prospect Union Assocs..

Does 645 Prospect Avenue have violations?

Yes. NYC HPD has recorded 240 housing violations at this property.

Is 645 Prospect Avenue 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 645 Prospect Avenue built?

City records list 1985 as the year it was built.

How many apartments are in 645 Prospect Avenue?

It has 109 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.