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Bronx • Two Family Dwelling

1645 Research Ave

Bronx, NY 10465Individually ownedBBL 2054160030BIN 2076217
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Updated Aug 1, 2026 · 16 sources

Year Built1925
Floors2
Units2
Building Area2,316 sqft
ZoningR3A
ClassB3
Market Value$982K

1645 RESEARCH AVE is a property located at 1645 RESEARCH AVE, Bronx, NY 10465. It is classified as a two family dwelling - converted. The building was constructed in 1925. It has 2 floors and 2 units. The building area is 2,316 square feet on a 3,742 sqft lot. The property is zoned R3A. The assessed market value is $982K. Public records list the property as individually owned. There are 3 building permits on record (1 active). There are 1 violation on record (0 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

25records on file

Completed in 1925, 1645 Research Ave rises 2 stories over Bronx. Public records put it at 2 units and 2,316 square feet of floor area, on land zoned R3A. It is carried on the public rolls at a market value of $982K, and assessed for tax at $58.9K. In the 38 years its record reaches back, the lot has drawn 25 separate government filings.

The documentary life of the address leans hard toward lien: 6 of its 25 records, fully 24%, fall under that one heading. Sale (5) and release (5) trail well behind. No violations stand open against it today.

The pace is anything but even. The record runs hot early and quiets with age, with 1989 its single busiest year.

Read together — 24% lien, 38 years of accumulation, a parcel of Bronx — these scattered records compose a portrait of the address that no single page sets out to draw.

$982K of Bronx, written across 25 government filings.

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

Property Details

Address1645 RESEARCH AVE, Bronx, NY 10465
Building TypeTwo Family Dwelling - Converted
B3
Year Built1925
Floors2
Total Units2
Building Area2,316 sqft
Lot Size3,742 sqft
ZoningR3A
ConditionAverage
2054160030
2076217
OwnershipIndividually owned

Assessment & Sales

$982K
$59K
$12K

Building Permits

3 on record · 1 active
ElectricalDOB NOW
COMPLETE
Filed Oct 7, 2024Job #X01122706-I1-EL

Install E/V Charging Port to 1st Floor Panel

View this permit's full record & inspection history →
Limited AlterationDOB NOW
APPROVED
Filed N/AJob #X00387269-P1
View this permit's full record & inspection history →
Limited AlterationDOB NOW
SIGNED OFF
Filed N/AJob #X00387269-I1
View this permit's full record & inspection history →

Violations

1 on record · none currently open
DOB LegacyP
DISMISSED
Issued Mar 22, 1991#124071
View this violation's full details & status history →

Get the Complete Report for 1645 RESEARCH 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 1645 RESEARCH AVE, Bronx built?

The building at 1645 RESEARCH AVE, Bronx, NY 10465 was constructed in 1925. It is classified as a two family dwelling - converted with 2 floors and 2 units. The building area is 2,316 sqft.

Are there building permits at 1645 RESEARCH AVE, Bronx?

Yes. 1645 RESEARCH AVE, Bronx, NY 10465 has 3 building permits on record, with 1 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (COMPLETE) filed Oct 7, 2024.

Does 1645 RESEARCH AVE, Bronx have violations?

Yes. 1645 RESEARCH AVE, Bronx, NY 10465 has 1 violation on record, with 0 currently open. Breakdown: 1 DOB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 1645 RESEARCH AVE, Bronx have docketed judgments?

No docketed OATH judgments were found in local records for 1645 RESEARCH AVE, Bronx, NY 10465. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 1645 RESEARCH AVE?

1645 RESEARCH AVE, Bronx, NY 10465 has an assessed market value of $982K and a total assessed value of $59K (land: $12K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 1645 RESEARCH AVE?

1645 RESEARCH AVE, Bronx, NY 10465 is zoned R3A. 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 1645 RESEARCH AVE?

1645 RESEARCH AVE, Bronx, NY 10465 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 1645 RESEARCH AVE?

Search 1645 RESEARCH 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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1645 RESEARCH AVE, Bronx, NY 10465 — Property Records, Permits, Violations, Tax & Zoning | RegWatch