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Brooklyn

811 45th St

Brooklyn, NY 11220Company-ownedBBL 3007420072BIN 3011466
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Updated Aug 1, 2026 · 16 sources

Floors6
ClassD6
Market Value$3.9M

811 45TH ST is a property located at 811 45TH ST, Brooklyn, NY 11220. The building has 6 floors. The assessed market value is $3.9M. It last sold for $519K on Dec 16, 2024. Public records list the property as company-owned. There are 64 building permits on record (34 active). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

303records on file
100Energy Star

The lot at 811 45TH St rises 6 stories over Kings. It is carried on the public rolls at a market value of $3.9M, and assessed for tax at $1.7M. In the 50 years its record reaches back, the lot has drawn 303 separate government filings.

The documentary life of the address leans hard toward release: 140 of its 303 records, fully 46%, fall under that one heading. Permit (64) and assignment (49) trail well behind. No 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 100, with a site energy-use intensity of 8.3 kBtu per square foot. Its operations answer for roughly 37 metric tons of CO2-equivalent a year.

Read together — 46% release, 50 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$3.9M of Kings, written across 303 government filings.

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

Property Details

Address811 45TH ST, Brooklyn, NY 11220
D6
Year BuiltN/A
Floors6
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3007420072
3011466
OwnershipCompany-owned

Assessment & Sales

$3.9M
$1.7M
$302K
$519K
Last Sale DateDec 16, 2024

Building Permits

64 on record · 34 active
General ConstructionDOB NOW
LOC ISSUED
Filed Jun 11, 2026Est. cost $126KJob #B01345231-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
CO ISSUED
Filed Apr 15, 2025Est. cost $20KJob #B01155905-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Apr 11, 2025Est. cost $20KJob #B01155905-P3
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Mar 12, 2025Est. cost $20KJob #B01155905-P1
View this permit's full record & inspection history →
General ConstructionDOB NOW
CO ISSUED
Filed Nov 1, 2024Est. cost $3.6MJob #B00578576-I1
View this permit's full record & inspection history →

+ 59 more permits — view full report

Violations

none on record

No violations found in local records.

Get the Complete Report for 811 45TH ST

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

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Frequently Asked Questions

Are there building permits at 811 45TH ST, Brooklyn?

Yes. 811 45TH ST, Brooklyn, NY 11220 has 64 building permits on record, with 34 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 11, 2026.

Does 811 45TH ST, Brooklyn have violations?

No violations were found in local records for 811 45TH ST, Brooklyn, NY 11220. Violation data is sourced from DOB (safety and legacy), HPD (housing), and ECB (environmental control).

Does 811 45TH ST, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 811 45TH ST, Brooklyn, NY 11220. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 811 45TH ST?

811 45TH ST, Brooklyn, NY 11220 has an assessed market value of $3.9M and a total assessed value of $1.7M (land: $302K). Assessment data is from the NYC Department of Finance (DOF).

When was 811 45TH ST last sold?

811 45TH ST, Brooklyn, NY 11220 last sold for $519K on Dec 16, 2024. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 811 45TH ST?

811 45TH ST, Brooklyn, NY 11220 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 811 45TH ST?

Search 811 45TH 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 adds the complete title history, owner contacts, and a downloadable PDF.

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811 45TH ST, Brooklyn, NY 11220 — Property Records, Permits, Violations, Tax & Zoning | RegWatch