Brooklyn • Walk

31 South Portland Ave

Brooklyn, NY 11217Company-ownedBBL 3021000018BIN 3058872

Updated Aug 1, 2026 · 16 sources

Year Built1900
Floors4
Units8
Building Area9,920 sqft
ZoningR6B
ClassC5
Market Value$5.5M

31 SOUTH PORTLAND AVE is a property located at 31 SOUTH PORTLAND AVE, Brooklyn, NY 11217. It is classified as a walk-up apartment - converted dwelling. The building was constructed in 1900. It has 4 floors and 8 units. The building area is 9,920 square feet on a 2,500 sqft lot. The property is zoned R6B. The assessed market value is $5.5M. Public records list the property as company-owned. There are 6 building permits on record (4 active). There are 7 violations on record (1 currently open). 1 docketed judgment 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

46records on file

Completed in 1900, 31 South Portland Ave rises 4 stories over Kings. Public records put it at 8 units and 9,920 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $5.5M, and assessed for tax at $2.5M. In the 54 years its record reaches back, the lot has drawn 46 separate government filings.

The documentary life of the address leans hard toward inspection: 11 of its 46 records, fully 24%, fall under that one heading. Violation (7) and permit (6) trail well behind. 1 violation stands 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 2025.

Read together — 24% inspection, 54 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$5.5M of Kings, written across 46 government filings.

Property Details

Address31 SOUTH PORTLAND AVE, Brooklyn, NY 11217
Building TypeWalk-Up Apartment - Converted Dwelling
C5
Year Built1900
Floors4
Total Units8
Building Area9,920 sqft
Lot Size2,500 sqft
ZoningR6B
ConditionAverage
3021000018
3058872
OwnershipCompany-owned

Assessment & Sales

$5.5M
$2.5M
$22K

Building Permits

6 on record · 4 active
Cats RegistrationOther
CURRENT
Filed Feb 18, 2025Job #454759
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Apr 27, 2004Est. cost $12KJob #301545549-01
Construction EquipmentDOB Legacy
ISSUED
Filed Jul 3, 2003Job #301545549-01-01
PlumbingDOB Legacy
ISSUED
Filed Jun 9, 2003Job #301545549-1-1-hist
Construction EquipmentDOB Legacy
ISSUED
Filed Feb 24, 1992Job #300152849-01-01

+ 1 more permitview full report

Violations

7 on record · 1 open
Judgments · 1 docketed
OATH summonsJUDGMENT DOCKETED
Docketed Jul 31, 2004Ticket #0137786478
20031105N
DOB LegacyLocal Law 62/91
ACTIVE
Issued Aug 16, 1993#233359

+ 6 more violations on record — view full report

Get the Complete Report for 31 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 31 SOUTH PORTLAND AVE, Brooklyn built?

The building at 31 SOUTH PORTLAND AVE, Brooklyn, NY 11217 was constructed in 1900. It is classified as a walk-up apartment - converted dwelling with 4 floors and 8 units. The building area is 9,920 sqft.

Are there building permits at 31 SOUTH PORTLAND AVE, Brooklyn?

Yes. 31 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 6 building permits on record, with 4 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Cats Registration (CURRENT) filed Feb 18, 2025.

Does 31 SOUTH PORTLAND AVE, Brooklyn have violations?

Yes. 31 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 7 violations on record, with 1 currently open. Breakdown: 5 DOB, 2 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 31 SOUTH PORTLAND AVE, Brooklyn have docketed judgments?

Yes. 31 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 1 docketed judgment 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 31 SOUTH PORTLAND AVE?

31 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has an assessed market value of $5.5M and a total assessed value of $2.5M (land: $22K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 31 SOUTH PORTLAND AVE?

31 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 31 SOUTH PORTLAND AVE?

31 SOUTH PORTLAND AVE, Brooklyn, NY 11217 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 31 SOUTH PORTLAND AVE?

Search 31 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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31 SOUTH PORTLAND AVE, Brooklyn, NY 11217 — Property Records, Permits, Violations, Tax & Zoning | RegWatch