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Bronx • Elevator Apartment

645 Prospect Ave

Bronx, NY 10455Individually ownedBBL 2026740051BIN 2004915
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Updated Aug 1, 2026 · 16 sources

Year Built1985
Floors6
Units109
Building Area112,536 sqft
ZoningR7-1
ClassD1
Market Value$9.3M

645 PROSPECT AVE is a property located at 645 PROSPECT AVE, Bronx, NY 10455. It is classified as a elevator apartment - semi-fireproof. The building was constructed in 1985. It has 6 floors and 109 units. The building area is 112,536 square feet on a 56,050 sqft lot. The property is zoned R7-1. The assessed market value is $9.3M. Public records list the property as individually owned. There are 17 building permits on record (9 active). There are 309 violations on record (23 currently open). 78 docketed judgments carrying $13,337 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

1,180records on file
88Energy Star

Completed in 1985, 645 Prospect Ave rises 6 stories over Bronx. Public records put it at 109 units and 112,536 square feet of floor area, on land zoned R7-1. It is carried on the public rolls at a market value of $9.3M, and assessed for tax at $4.2M. In the 60 years its record reaches back, the lot has drawn 1,180 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward complaint: 578 of its 1,180 records, fully 49%, fall under that one heading. Violation (309) and enforcement (136) trail well behind. 23 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2024.

On the environmental ledger, the building posts an Energy Star score of 88, with a site energy-use intensity of 64.2 kBtu per square foot. Its operations answer for roughly 571 metric tons of CO2-equivalent a year.

Read together — 49% complaint, 60 years of accumulation, a parcel of Bronx — these scattered records compose a portrait of the address that no single page sets out to draw.

$9.3M of Bronx, written across 1,180 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address645 PROSPECT AVE, Bronx, NY 10455
Building TypeElevator Apartment - Semi-Fireproof
D1
Year Built1985
Floors6
Total Units109
Building Area112,536 sqft
Lot Size56,050 sqft
ZoningR7-1
ConditionAverage
2026740051
2004915
OwnershipIndividually owned

Assessment & Sales

$9.3M
$4.2M
$280K

Building Permits

17 on record · 9 active
General ConstructionDOB NOW
PERMIT ENTIRE
Filed May 7, 2026Est. cost $72KJob #X01265171-S2
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed May 7, 2026Est. cost $72KJob #X01265171-P1
View this permit's full record & inspection history →
BoilerDOB NOW
SIGNED-OFF
Filed Feb 19, 2026Est. cost $100KJob #X01265171-S1

Renewal Permit Without Changes

View this permit's full record & inspection history →
PlumbingDOB NOW
SIGNED-OFF
Filed Feb 19, 2026Est. cost $72KJob #X01265171-S2

Renewal Permit Without Changes

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Feb 19, 2026Est. cost $50KJob #X01265171-I1
View this permit's full record & inspection history →

+ 12 more permits — view full report

Violations

309 on record · 23 open
Open judgment balance — docketed OATH judgments$13,337
Judgments · 78 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jun 29, 2026Balance $50Ticket #049597733H
DIRTY SIDEWALK
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jun 8, 2026Balance $1,250Ticket #039174771L
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jun 26, 2026Balance $50Ticket #049567114L
DIRTY AREA
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2026Balance $50Ticket #049589106Z
DIRTY SIDEWALK
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2026Balance $50Ticket #049567016H
FAILURE TO CLEAN 18 INCHES INTO STREET

+ 73 more docketed judgments — view full report

HPDClass B
CIV14 MAILED
Issued Jun 4, 2026#18980519

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND NORTH WALL IN THE BATHROOM LOCATED AT APT 203, 2nd STORY, 3rd APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
ECBElevator
ACTIVE
Issued Jun 4, 2026#39191193N

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

View this violation's full details & status history →
HPDClass C
NOTICE OF ISSUANCE SENT TO TENANT
Issued May 9, 2026#18909028

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 408, 4th STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''SOUTH''

View this violation's full details & status history →
HPDClass B
NOV CERTIFIED ON TIME
Issued May 9, 2026#18909030

§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF DISCARDED FURNITURE AT PUBLIC HALL STAIRS, 4th STORY, SECTION ''NORTH''

View this violation's full details & status history →
HPDClass C
NOTICE OF ISSUANCE SENT TO TENANT
Issued Sep 26, 2025#18255777

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 405, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →

+ 304 more violations on record — view full report

Get the Complete Report for 645 PROSPECT AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 645 PROSPECT AVE, Bronx built?

The building at 645 PROSPECT AVE, Bronx, NY 10455 was constructed in 1985. It is classified as a elevator apartment - semi-fireproof with 6 floors and 109 units. The building area is 112,536 sqft.

Are there building permits at 645 PROSPECT AVE, Bronx?

Yes. 645 PROSPECT AVE, Bronx, NY 10455 has 17 building permits on record, with 9 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (PERMIT ENTIRE) filed May 7, 2026.

Does 645 PROSPECT AVE, Bronx have violations?

Yes. 645 PROSPECT AVE, Bronx, NY 10455 has 309 violations on record, with 23 currently open. Breakdown: 61 DOB, 21 ECB, 227 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 645 PROSPECT AVE, Bronx have docketed judgments?

Yes. 645 PROSPECT AVE, Bronx, NY 10455 has 78 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $13,337. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 645 PROSPECT AVE?

645 PROSPECT AVE, Bronx, NY 10455 has an assessed market value of $9.3M and a total assessed value of $4.2M (land: $280K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 645 PROSPECT AVE?

645 PROSPECT AVE, Bronx, NY 10455 is zoned R7-1. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 645 PROSPECT AVE?

645 PROSPECT AVE, Bronx, NY 10455 is individually owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 645 PROSPECT AVE?

Search 645 PROSPECT AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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645 PROSPECT AVE, Bronx, NY 10455 — Property Records, Permits, Violations, Tax & Zoning | RegWatch