Brooklyn • Two Family Dwelling

42 South Portland Ave

Brooklyn, NY 11217Company-ownedBBL 3020990063BIN 3058829
Year Built1864
Floors3
Units2
Building Area4,280 sqft
ZoningR6B
ClassB9
Market Value$6.3M

42 SOUTH PORTLAND AVE is a property located at 42 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 4,280 square feet on a 2,000 sqft lot. The property is zoned R6B. The assessed market value is $6.3M. It last sold for $5.6M on May 6, 2026. Public records list the property as company-owned. There are 8 building permits on record (6 active). There are 14 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

70records on file

Completed in 1864, 42 South Portland Ave rises 3 stories over Kings. Public records put it at 2 units and 4,280 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $6.3M, and assessed for tax at $380K. In the 58 years its record reaches back, the lot has drawn 70 separate government filings.

The documentary life of the address leans hard toward mortgage: 15 of its 70 records, fully 21%, fall under that one heading. Violation (14) and lien (9) 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 2026.

Read together — 21% mortgage, 58 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$6.3M of Kings, written across 70 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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Property Details

Address42 SOUTH PORTLAND AVE, Brooklyn, NY 11217
Building TypeTwo Family Dwelling - Miscellaneous
B9
Year Built1864
Floors3
Total Units2
Building Area4,280 sqft
Lot Size2,000 sqft
ZoningR6B
ConditionAverage
3020990063
3058829
OwnershipCompany-owned

Assessment & Sales

$6.3M
$380K
$47K
$5.6M
Last Sale DateMay 6, 2026

Building Permits

8 on record · 6 active
General ConstructionDOB NOW
PERMIT ISSUED
Filed Oct 6, 2026Est. cost $35KJob #B01468193-I1
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Oct 6, 2026Est. cost $35KJob #B01468193-I1
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Mar 13, 1998Est. cost $1Job #300542376-01
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Sep 18, 1997Est. cost $3KJob #300530147-01
AlterationDOB Legacy
ISSUED
Filed May 30, 1997Job #300542376-01-01

+ 3 more permits — view full report

Violations

14 on record · 1 open
Judgments · 1 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Aug 31, 2025Ticket #048805517K
SNOW,ICE DIRT ON SIDEWALKS
DOB LegacyLocal Law 62/91
ACTIVE
Issued Aug 16, 1993#233363

+ 13 more violations on record — view full report

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

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Frequently Asked Questions

When was 42 SOUTH PORTLAND AVE, Brooklyn built?

The building at 42 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 4,280 sqft.

Are there building permits at 42 SOUTH PORTLAND AVE, Brooklyn?

Yes. 42 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 8 building permits on record, with 6 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 (PERMIT ISSUED) filed Oct 6, 2026.

Does 42 SOUTH PORTLAND AVE, Brooklyn have violations?

Yes. 42 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has 14 violations on record, with 1 currently open. Breakdown: 7 DOB, 7 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 42 SOUTH PORTLAND AVE, Brooklyn have docketed judgments?

Yes. 42 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 42 SOUTH PORTLAND AVE?

42 SOUTH PORTLAND AVE, Brooklyn, NY 11217 has an assessed market value of $6.3M and a total assessed value of $380K (land: $47K). Assessment data is from the NYC Department of Finance (DOF).

When was 42 SOUTH PORTLAND AVE last sold?

42 SOUTH PORTLAND AVE, Brooklyn, NY 11217 last sold for $5.6M on May 6, 2026. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 42 SOUTH PORTLAND AVE?

42 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 42 SOUTH PORTLAND AVE?

42 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 42 SOUTH PORTLAND AVE?

Search 42 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 ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

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