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Brooklyn • Elevator Apartment

45 Martense St

Brooklyn, NY 11226Company-ownedBBL 3050860066BIN 3116720
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16 sources

Year Built1937
Floors6
Units66
Building Area75,312 sqft
ZoningR7A
ClassD4
Market Value$4.5M

45 MARTENSE ST is a property located at 45 MARTENSE ST, Brooklyn, NY 11226. It is classified as a elevator apartment - cooperative. The building was constructed in 1937. It has 6 floors and 66 units. The building area is 75,312 square feet on a 16,598 sqft lot. The property is zoned R7A. The assessed market value is $4.5M. Public records list the property as company-owned. There are 60 building permits on record (31 active). There are 134 violations on record (11 currently open). 2 docketed judgments 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

546records on file
87Energy Star

Completed in 1937, 45 Martense St rises 6 stories over Kings. Public records put it at 66 units and 75,312 square feet of floor area, on land zoned R7A. It is carried on the public rolls at a market value of $4.5M, and assessed for tax at $2.0M. In the 91 years its record reaches back, the lot has drawn 546 separate government filings.

The documentary life of the address leans hard toward complaint: 217 of its 546 records, fully 40%, fall under that one heading. Violation (134) and permit (60) trail well behind. 11 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 2016.

On the environmental ledger, the building posts an Energy Star score of 87, with a site energy-use intensity of 57.7 kBtu per square foot. Its operations answer for roughly 309 metric tons of CO2-equivalent a year.

Read together — 40% complaint, 91 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$4.5M of Kings, written across 546 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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

Property Details

Address45 MARTENSE ST, Brooklyn, NY 11226
Building TypeElevator Apartment - Cooperative
D4
Year Built1937
Floors6
Total Units66
Building Area75,312 sqft
Lot Size16,598 sqft
ZoningR7A
ConditionAverage
3050860066
3116720
OwnershipCompany-owned

Assessment & Sales

$4.5M
$2M
$261K

Building Permits

60 on record · 31 active
General ConstructionDOB NOW
LOC ISSUED
Filed Jun 8, 2026Est. cost $60KJob #B01371590-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Apr 20, 2026Est. cost $14KJob #B01292617-I1
View this permit's full record & inspection history →
StructuralDOB NOW
SIGNED-OFF
Filed Mar 26, 2026Est. cost $60KJob #B01371590-I1

Initial Permit

View this permit's full record & inspection history →
ElectricalDOB NOW
PERMIT ISSUED
Filed Jan 26, 2026Job #B01351572-I1-EL

Installing new electrical panel to replace the existing panel and new receptacles in apartment 5J kitchen.

View this permit's full record & inspection history →
General ConstructionDOB NOW
SIGNED-OFF
Filed Oct 29, 2025Est. cost $14KJob #B01292617-I1

Initial Permit

View this permit's full record & inspection history →

+ 55 more permits — view full report

Violations

134 on record · 11 open
Judgments · 2 docketed
OATH summonsJUDGMENT DOCKETED
Docketed Jul 31, 2016Ticket #040479424J
SPILLAGE FROM TRUCK OR RECEPTACLE
OATH summonsJUDGMENT DOCKETED
Docketed Jul 6, 2004Ticket #0141335911
20040330Y
HPDClass I
INFO NOV SENT OUT
Issued Oct 22, 2026#19324778

§ 27-2142 ADM CODE APTS HAVE BEEN VACATED BY THIS DEPARTMENT AND CANNOT BE REOCCUPIED UNTIL SO ORDERED AFTER PROOF OF COMPLIANCE FOR APTS 2K , VACATE ORDER # 261296 IN THE ENTIRE APARTMENT LOCATED AT APT, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →
HPDClass C
NOV SENT OUT
Issued Oct 19, 2026#19317209

§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF FIRE DAMAGE AT CEILINGS AND WALLS WINDOWS BROKEN AND PLWOOD SEALED IN THE ENTIRE APARTMENT LOCATED AT APT 2K, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

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HPDClass C
NOV SENT OUT
Issued Oct 19, 2026#19317217

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANES AT UPPER AND LOWER SASHES AT WINDOWS IN THE ENTIRE APARTMENT LOCATED AT APT 2K, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →
HPDClass C
NOV SENT OUT
Issued Oct 19, 2026#19317221

§ 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT CEILING, WALL OUTLETS AND LIGHT SWITCHES IN THE ENTIRE APARTMENT LOCATED AT APT 2K, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →
HPDClass C
NOV SENT OUT
Issued Oct 19, 2026#19317232

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANE AT DOOR LEADING TO WEST YARD AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

+ 129 more violations on record — view full report

Get the Complete Report for 45 MARTENSE ST

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

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Frequently Asked Questions

When was 45 MARTENSE ST, Brooklyn built?

The building at 45 MARTENSE ST, Brooklyn, NY 11226 was constructed in 1937. It is classified as a elevator apartment - cooperative with 6 floors and 66 units. The building area is 75,312 sqft.

Are there building permits at 45 MARTENSE ST, Brooklyn?

Yes. 45 MARTENSE ST, Brooklyn, NY 11226 has 60 building permits on record, with 31 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 (LOC ISSUED) filed Jun 8, 2026.

Does 45 MARTENSE ST, Brooklyn have violations?

Yes. 45 MARTENSE ST, Brooklyn, NY 11226 has 134 violations on record, with 11 currently open. Breakdown: 1 DOB Safety, 33 DOB, 8 ECB, 92 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 45 MARTENSE ST, Brooklyn have docketed judgments?

Yes. 45 MARTENSE ST, Brooklyn, NY 11226 has 2 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). 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 45 MARTENSE ST?

45 MARTENSE ST, Brooklyn, NY 11226 has an assessed market value of $4.5M and a total assessed value of $2M (land: $261K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 45 MARTENSE ST?

45 MARTENSE ST, Brooklyn, NY 11226 is zoned R7A. 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 45 MARTENSE ST?

45 MARTENSE ST, Brooklyn, NY 11226 is company-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 45 MARTENSE ST?

Search 45 MARTENSE ST 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 ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

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45 MARTENSE ST, Brooklyn, NY 11226 — Property Records, Permits, Violations, Tax & Zoning | RegWatch