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NYC Building Records · BBL 1003100011

54 1/2 LUDLOW STREET

Manhattan · Block 310 · Lot 11 · Walk-up + store (Class C7)

54 1/2 LUDLOW STREET is a Class C7 (walk-up + store) building in Manhattan (BBL 1003100011) built in 1901, with 9 residential units across 5 floors.

The building is in NYC community district 103, council district 1, zoning district C6-2, on a 1,750-square-foot lot with a building footprint of 2,750 square feet.

The current registered owner of record per NYC PLUTO is REALSPRING 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

REALSPRING LLC
HPD-registered head officer: YON LAI

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerYON LAI
  • Corporate OwnerREAL SPRING LLC

Most recent deed

Most recent ACRIS document: MTGE recorded Oct 4, 2021.
🔒 See the full deed history for this building →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Oct 4, 2021MTGE$142KParties redacted — full names in MetroDeeds Scout+
Oct 4, 2021AGMT$1.5MParties redacted — full names in MetroDeeds Scout+
Jan 5, 2017AGMT$1.5MParties redacted — full names in MetroDeeds Scout+
Jan 5, 2017MTGE$487KParties redacted — full names in MetroDeeds Scout+
Feb 20, 2013MTGE$187KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
9
Year built
1901
Class
C7
Borough
Manhattan
Zoning:
C6-2
Lot size:
1,750 sqft
Building area:
2,750 sqft
Floors:
5
Assessed value:
$618K
Community district:
103
Council district:
1

HPD violations

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

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected Apr 29, 2026
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Apr 1, 2024
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Mar 15, 2023
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class IInspected Nov 2, 2022
    §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 Feb 15, 2022
    §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 for all 0 →

Recent ACRIS activity

5 documents in the last 5 years (most recent Oct 4, 2021).

Frequently asked questions about 54 1/2 LUDLOW STREET

Who owns 54 1/2 LUDLOW STREET?

The current registered owner of record for 54 1/2 LUDLOW STREET per NYC PLUTO is REALSPRING LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 54 1/2 LUDLOW STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 54 1/2 LUDLOW STREET 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 54 1/2 LUDLOW STREET have?

No open HPD housing-maintenance code violations are on record for 54 1/2 LUDLOW STREET 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 54 1/2 LUDLOW STREET?

NYC Department of Finance assesses 54 1/2 LUDLOW STREET at $618K 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 54 1/2 LUDLOW STREET and what does that mean?

54 1/2 LUDLOW STREET is NYC building class C7 — Walk-up + store. A walk-up apartment building with a store on the ground floor. 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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