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NYC Building Records · BBL 3008680004

308 PROSPECT AVENUE

Brooklyn · Block 868 · Lot 4 · Walk-up, over six families (Class C1)

308 PROSPECT AVENUE is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3008680004) built in 1931, with 8 residential units across 4 floors.

The building is in NYC community district 307, council district 39, zoning district R6B, on a 2,058-square-foot lot with a building footprint of 5,852 square feet.

The current registered owner of record per NYC PLUTO is ADDA 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 17, 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

ADDA REALTY LLC
HPD-registered head officer: ERIC NACHIMOVSKY

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerERIC NACHIMOVSKY
  • Corporate OwnerADDA REALTY I LLC
  • Managing Agentmyriam nachimovsky
  • Site Managerlouis virella

Most recent deed

Most recent ACRIS document: MTGE recorded Nov 22, 2021.
🔒 See full deed history for this building →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Nov 22, 2021MTGE$512KParties redacted — full names in MetroDeeds Scout+
Nov 22, 2021AGMT$1.9MParties redacted — full names in MetroDeeds Scout+
Jul 28, 2015AGMT$1.4MParties redacted — full names in MetroDeeds Scout+
Jul 28, 2015MTGE$513KParties redacted — full names in MetroDeeds Scout+
Jul 28, 2015MTGE$1.4MParties 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:
2,058 sqft
Building area:
5,852 sqft
Floors:
4
Assessed value:
$906K
Community district:
307
Council district:
39

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 Jun 10, 2025
    (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 24, 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 AInspected Apr 12, 2021
    (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 Apr 12, 2021
    §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 full violation history with closure dates →

Recent ACRIS activity

5 documents in the last 5 years (most recent Nov 22, 2021).

Frequently asked questions about 308 PROSPECT AVENUE

Who owns 308 PROSPECT AVENUE?

The current registered owner of record for 308 PROSPECT AVENUE per NYC PLUTO is ADDA 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 308 PROSPECT AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 308 PROSPECT AVENUE 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 308 PROSPECT AVENUE have?

No open HPD housing-maintenance code violations are on record for 308 PROSPECT AVENUE as of May 17, 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 308 PROSPECT AVENUE?

NYC Department of Finance assesses 308 PROSPECT AVENUE at $906K 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 308 PROSPECT AVENUE and what does that mean?

308 PROSPECT AVENUE 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.

More from MetroDeeds

Go deeper on this building

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