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NYC Building Records · BBL 3016480014

788 MADISON STREET

Brooklyn · Block 1648 · Lot 14 · Walk-up, over six families (Class C1)

788 MADISON STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3016480014) built in 1931, with 8 residential units across 4 floors.

The building is in NYC community district 303, council district 41, zoning district R6B, on a 2,750-square-foot lot with a building footprint of 6,064 square feet.

The current registered owner of record per NYC PLUTO is AC MADISON LLC.

The most recent ACRIS deed transfer for this BBL was recorded on August 3, 2022 when AV MADISON OWNER LLC conveyed the property to AC MADISON LLC for $6.25M. The transaction was recorded as cash (no paired mortgage instrument).

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

AC MADISON LLC
HPD-registered head officer: ALEXANDER HORN

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerALEXANDER HORN
  • Corporate OwnerAV MADISON OWNER LLC
  • Managing AgentCobble Hill Management

Most recent deed

Last transferred on Aug 3, 2022 for $6.3M to AC MADISON LLC.
Previous owner: AV MADISON OWNER LLC
Cash sale: no recorded mortgage tied to this transfer.
🔒 See full deed history for this building →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Aug 3, 2022DEED$6.3MParties redacted — full names in MetroDeeds Scout+
Jun 28, 2016DEED$2.3MParties redacted — full names in MetroDeeds Scout+
Apr 3, 2014DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Mar 26, 2008DEED$4.4MParties redacted — full names in MetroDeeds Scout+
Feb 28, 2008AGMT$7.3MParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →

Building stats

Units
8
Year built
1931
Class
C1
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,750 sqft
Building area:
6,064 sqft
Floors:
4
Assessed value:
$577K
Community district:
303
Council district:
41

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See full violation history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected May 5, 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 CInspected Mar 1, 2026
    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOCK AND ASSEMBLY AT BUILDING FRONT ENTRANCE DOOR , 1st STORY
  • Class AInspected Mar 23, 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 CInspected Mar 21, 2023
    § 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO H…
  • Class AInspected Mar 21, 2023
    § 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES…
🔒 See full violation history with closure dates →

Recent ACRIS activity

5 documents in the last 5 years (most recent Aug 3, 2022).

Other buildings in this portfolio

AC MADISON LLC controls 2 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 788 MADISON STREET

Who owns 788 MADISON STREET?

The current registered owner of record for 788 MADISON STREET per NYC PLUTO is AC MADISON LLC. The most recent ACRIS deed transfer for this BBL was recorded on August 3, 2022 when the property was conveyed to AC MADISON LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.

When was 788 MADISON STREET last sold?

The most recent ACRIS deed transfer for 788 MADISON STREET was recorded on August 3, 2022, when AV MADISON OWNER LLC conveyed the property to AC MADISON LLC for $6.25M. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 788 MADISON STREET have?

No open HPD housing-maintenance code violations are on record for 788 MADISON 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 788 MADISON STREET?

NYC Department of Finance assesses 788 MADISON STREET at $577K 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 788 MADISON STREET and what does that mean?

788 MADISON STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 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.

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