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Manhattan

309 West 123 St

Manhattan, NY 10027BBL 1019501001BIN 1059274
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16 sources

Year Built2006
Floors10
Units54
Building Area81,213 sqft
ZoningC4-4D
ClassRM
Market Value$2.3M

309 WEST 123 ST is a property located at 309 WEST 123 ST, Manhattan, NY 10027. The building was constructed in 2006. It has 10 floors and 54 units. The building area is 81,213 square feet on a 9,142 sqft lot. The property is zoned C4-4D. The assessed market value is $2.3M. There are 195 building permits on record (138 active). There are 60 violations on record (12 currently open). 7 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

489records on file
59Energy Star

Completed in 2006, 309 West 123 St rises 10 stories over New York. Public records put it at 54 units and 81,213 square feet of floor area, on land zoned C4-4D. It is carried on the public rolls at a market value of $2.3M, and assessed for tax at $1.0M. In the 36 years its record reaches back, the lot has drawn 489 separate government filings.

The documentary life of the address leans hard toward permit: 195 of its 489 records, fully 40%, fall under that one heading. Complaint (71) and violation (60) trail well behind. 12 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 2026.

On the environmental ledger, the building posts an Energy Star score of 59, with a site energy-use intensity of 59.6 kBtu per square foot. Its operations answer for roughly 357 metric tons of CO2-equivalent a year.

Read together — 40% permit, 36 years of accumulation, a parcel of New York — these scattered records compose a portrait of the address that no single page sets out to draw.

$2.3M of New York, written across 489 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
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Property Details

Address309 WEST 123 ST, Manhattan, NY 10027
RM
Year Built2006
Floors10
Total Units54
Building Area81,213 sqft
Lot Size9,142 sqft
ZoningC4-4D
1019501001
1059274

Assessment & Sales

$2.3M
$1M
$27K

Building Permits

195 on record · 138 active
General ConstructionDOB NOW
LOC ISSUED
Filed Sep 21, 2026Est. cost $5KJob #M01252320-I1
View this permit's full record & inspection history →
Sidewalk ShedDOB NOW
SIGNED-OFF
Filed Jul 16, 2026Est. cost $5KJob #M01252320-I1

Renewal Permit Without Changes

View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Feb 1, 2026Job #M01240093-I1
View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed Jul 8, 2025Job #M01252601-I1-EL

INSTALLATION OF TEMPORARY WIRING AND LIGHTING FOR SIDEWALK SHED. 229 LF

View this permit's full record & inspection history →
Suspended ScaffoldDOB NOW
SIGNED-OFF
Filed Jul 1, 2025Job #M01240093-I1

Initial Permit

View this permit's full record & inspection history →

+ 190 more permits — view full report

Violations

60 on record · 12 open
Judgments · 7 docketed
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2018Ticket #0193599680
FAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTER
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2018Ticket #0193599699
FAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTER
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2018Ticket #0193599670
FAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTER
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2016Ticket #011472354J
SIGN, POSTINGS, NOTICES AND INSTRUCTIONS
OATH summonsJUDGMENT DOCKETED
Docketed Jan 31, 2015Ticket #0187275532
FAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTER

+ 2 more docketed judgments — view full report

SafetyElevator
ACTIVE
Issued Oct 2, 2026#VIO-FTF-VT-CAT1-202512-0001517

Violation Issued-Failure To File 2025 Cat1 Test Report

View this violation's full details & status history →
SafetyElevator
ACTIVE
Issued Oct 2, 2026#VIO-FTF-VT-PER-202512-0001868

Violation Issued-Failure To File 2025 Periodic Inspection Report

View this violation's full details & status history →
SafetyElevator
ACTIVE
Issued Aug 29, 2025#VIO-FTF-VT-PER-202412-0001935

Violation Issued-Failure To File 2024 Periodic Inspection Report

View this violation's full details & status history →
SafetyElevator
ACTIVE
Issued Aug 29, 2025#VIO-FTF-VT-CAT1-202412-0002307

Violation Issued-Failure To File 2024 Cat1 Test Report

View this violation's full details & status history →
SafetyElevator
ACTIVE
Issued Sep 11, 2024#VIO-FTF-VT-PER-202312-0002316

Violation Issued-Failure To File 2023 Periodic Inspection Report

View this violation's full details & status history →

+ 55 more violations on record — view full report

Get the Complete Report for 309 WEST 123 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 309 WEST 123 ST, Manhattan built?

The building at 309 WEST 123 ST, Manhattan, NY 10027 was constructed in 2006. with 10 floors and 54 units. The building area is 81,213 sqft.

Are there building permits at 309 WEST 123 ST, Manhattan?

Yes. 309 WEST 123 ST, Manhattan, NY 10027 has 195 building permits on record, with 138 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 Sep 21, 2026.

Does 309 WEST 123 ST, Manhattan have violations?

Yes. 309 WEST 123 ST, Manhattan, NY 10027 has 60 violations on record, with 12 currently open. Breakdown: 12 DOB Safety, 29 DOB, 14 ECB, 5 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 309 WEST 123 ST, Manhattan have docketed judgments?

Yes. 309 WEST 123 ST, Manhattan, NY 10027 has 7 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 309 WEST 123 ST?

309 WEST 123 ST, Manhattan, NY 10027 has an assessed market value of $2.3M and a total assessed value of $1M (land: $27K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 309 WEST 123 ST?

309 WEST 123 ST, Manhattan, NY 10027 is zoned C4-4D. 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.

How do I get a full property report for 309 WEST 123 ST?

Search 309 WEST 123 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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309 WEST 123 ST, Manhattan, NY 10027 — Property Records, Permits, Violations, Tax & Zoning | RegWatch