Brooklyn • Two Family Dwelling

50 South Portland Ave

Brooklyn, NY 11217Individually ownedBBL 3020990067BIN 3058833

Updated Aug 1, 2026 · 16 sources

Year Built1864
Floors3
Units2
Building Area3,936 sqft
ZoningR6B
ClassB9
Market Value$4.3M

50 SOUTH PORTLAND AVE is a property located at 50 SOUTH PORTLAND AVE, Brooklyn, NY 11217. It is classified as a two family dwelling - miscellaneous. The building was constructed in 1864. It has 3 floors and 2 units. The building area is 3,936 square feet on a 2,000 sqft lot. The property is zoned R6B. The assessed market value is $4.3M. It last sold for $4.5M on Oct 4, 2019. Public records list the property as individually owned. There are 19 building permits on record (15 active). 1 docketed judgment carrying $300 in open balances is 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

69records on file

Completed in 1864, 50 South Portland Ave rises 3 stories over Kings. Public records put it at 2 units and 3,936 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $4.3M, and assessed for tax at $258K. In the 59 years its record reaches back, the lot has drawn 69 separate government filings.

The documentary life of the address leans hard toward permit: 19 of its 69 records, fully 28%, fall under that one heading. Sale (11) and mortgage (11) 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 2007.

Read together — 28% permit, 59 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$4.3M of Kings, written across 69 government filings.

Property Details

Address50 SOUTH PORTLAND AVE, Brooklyn, NY 11217
Building TypeTwo Family Dwelling - Miscellaneous
B9
Year Built1864
Floors3
Total Units2
Building Area3,936 sqft
Lot Size2,000 sqft
ZoningR6B
ConditionAverage
3020990067
3058833
OwnershipIndividually owned

Assessment & Sales

$4.3M
$258K
$16K
$4.5M
Last Sale DateOct 4, 2019

Building Permits

19 on record · 15 active
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Jan 22, 2021Est. cost $135KJob #302322537-01
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Jan 22, 2021Est. cost $25KJob #302322537-02
PlumbingDOB Legacy
ISSUED
Filed Jan 10, 2020Job #302322537-01-03
PlumbingDOB Legacy
ISSUED
Filed Sep 10, 2008Job #302322537-01-02
PlumbingDOB Legacy
ISSUED
Filed Sep 10, 2008Job #302322537-1-2-hist

+ 14 more permitsview full report

Violations

none on record
Open judgment balance — docketed OATH judgments$300
Judgments · 1 docketed
Health summons (OATH)JUDGMENT DOCKETED
Docketed Aug 28, 2015Balance $300Ticket #0800642765
FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST

No violations found in local records.

Get the Complete Report for 50 SOUTH PORTLAND 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 50 SOUTH PORTLAND AVE, Brooklyn built?

The building at 50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 was constructed in 1864. It is classified as a two family dwelling - miscellaneous with 3 floors and 2 units. The building area is 3,936 sqft.

Are there building permits at 50 SOUTH PORTLAND AVE, Brooklyn?

Yes. 50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 19 building permits on record, with 15 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration — Type 2 (SIGNED OFF) filed Jan 22, 2021.

Does 50 SOUTH PORTLAND AVE, Brooklyn have violations?

No violations were found in local records for 50 SOUTH PORTLAND AVE, Brooklyn, NY 11217. Violation data is sourced from DOB (safety and legacy), HPD (housing), and ECB (environmental control).

Does 50 SOUTH PORTLAND AVE, Brooklyn have docketed judgments?

Yes. 50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 1 docketed judgment on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $300. 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 50 SOUTH PORTLAND AVE?

50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has an assessed market value of $4.3M and a total assessed value of $258K (land: $16K). Assessment data is from the NYC Department of Finance (DOF).

When was 50 SOUTH PORTLAND AVE last sold?

50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 last sold for $4.5M on Oct 4, 2019. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 50 SOUTH PORTLAND AVE?

50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 is zoned R6B. 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 50 SOUTH PORTLAND AVE?

50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 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 50 SOUTH PORTLAND AVE?

Search 50 SOUTH PORTLAND 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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50 SOUTH PORTLAND AVE, Brooklyn, NY 11217 — Property Records, Permits, Violations, Tax & Zoning | RegWatch