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NYC Building Records · BBL 3021000018

31 SOUTH PORTLAND AVE

Brooklyn · Block 2100 · Lot 18 · Walk-up, four families (Class C5)

31 SOUTH PORTLAND AVE is a Class C5 (walk-up, four families) building in Brooklyn (BBL 3021000018) built in 1900, with 8 residential units across 4 floors.

The building is in NYC community district 302, council district 35, zoning district R6B, on a 2,500-square-foot lot with a building footprint of 9,920 square feet.

The current registered owner of record per NYC PLUTO is 31 SOUTH PORTLAND REALTY LLC.

MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Owner of record

31 SOUTH PORTLAND REALTY LLC
HPD-registered head officer: ACKERMAN ANDREW

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerACKERMAN ANDREW
  • Corporate OwnerTHIRTY-ONE SOUTH PORTLAND REALTY LLC
  • Managing AgentANDREW ACKERMAN
  • Site ManagerMIGUEL GERMOSEN

Most recent deed

Most recent ACRIS document: AGMT recorded Jun 18, 2018.
🔒 See the full deed history for this building →

Recent ACRIS documents (last 4)

DateTypeAmountParties
Jun 18, 2018AGMT$1.0MParties redacted — full names in MetroDeeds Scout+
Jun 18, 2018MTGE$120KParties redacted — full names in MetroDeeds Scout+
Jun 29, 2012MTGE$491KParties redacted — full names in MetroDeeds Scout+
Jun 29, 2012AGMT$1.0MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 4 redacted buyer/seller names above →

Building stats

Units
8
Year built
1900
Class
C5
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,500 sqft
Building area:
9,920 sqft
Floors:
4
Assessed value:
$1.7M
Community district:
302
Council district:
35

HPD violations

0 open
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 2 violations issued by NYC HPD at this address:
  • Class IInspected Nov 20, 2023
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Oct 31, 2019
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

4 documents in the last 5 years (most recent Jun 18, 2018).

Frequently asked questions about 31 SOUTH PORTLAND AVE

Who owns 31 SOUTH PORTLAND AVE?

The current registered owner of record for 31 SOUTH PORTLAND AVE per NYC PLUTO is 31 SOUTH PORTLAND REALTY LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 31 SOUTH PORTLAND AVE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 31 SOUTH PORTLAND AVE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).

How many HPD violations does 31 SOUTH PORTLAND AVE have?

No open HPD housing-maintenance code violations are on record for 31 SOUTH PORTLAND AVE as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 31 SOUTH PORTLAND AVE?

NYC Department of Finance assesses 31 SOUTH PORTLAND AVE at $1.72M for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.

What building class is 31 SOUTH PORTLAND AVE and what does that mean?

31 SOUTH PORTLAND AVE is NYC building class C5 — Walk-up, four families. A 3-to-6-story walk-up apartment building with 4 residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.

More from MetroDeeds

Go deeper on this building

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Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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