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404 4th Avenue, Park Slope, Brooklyn, NY 11215

BBL 3009920036 (Borough 3, Block 992, Lot 36) · BIN 3021562 · Last updated: · Park Slope · ZIP 11215

Also recorded in city data as: 404 St Code Not Valid Or St

Summary · as of November 9, 2026

404 4th Avenue (Brooklyn, NY 11215; tax lot BBL 3009920036) is an 8-unit walk-up apartment building (building class C1: walk-up apartments, more than six families, no stores), built around 1931, on a 2,000 sq ft lot zoned C4-4D. City tax records list the owner as 404 4TH LLC; per ACRIS, a deed to this owner dated April 11, 2018 lists a price of $2,550,000. The Department of Finance's final market value for tax year 2027 is $2,183,000. As of November 9, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, 21 open HPD violations and one OATH ticket with an unpaid balance. There were two 311 requests in the past 12 months and one HPD complaint since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
404 4TH LLC
Building class
C1 · Walk-up apartments, more than six families, no stores
Year built · units
1931 · 8 res.
Lot area · zoning
2,000 sq ft · C4-4D
Market value (DOF)
$2,183,000 FY2027
Last priced deed
$2,550,000 · 2018-04-11
BBL
3009920036
BIN
3021562

How to cite: NYC Property Facts, “404 4th Avenue, Brooklyn, NY 11215 (BBL 3009920036)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/404-4th-avenue-3009920036. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
404 4TH LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C1 – Walk-up apartments, more than six families, no storesThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
1931Often an estimate for older buildings.
Floors
4
Units
8 residential / 8 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,000 sq ft (26.67 ft × 75 ft)
Building floor area
5,868 sq ft
Zoning
C4-4D, GThe zoning district sets what can be built and used here. Commercial district.
Built vs. allowed density (FAR)
2.93 built / 6.02 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 3009920036 (Borough 3, Block 992, Lot 36) · BIN 3021562BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; last loaded 2026-11-09; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$2,183,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$982,350The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$145,319Assessed value minus any exemptions.
Tax class
Tax class 2B – residential rental, 7–10 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,183,000$982,3502B
2026Final$1,819,000$818,5502B
2025Final$1,706,400$767,8802B

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-09

Sales & deed history 6

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2018-04-11DEED$2,550,000Ronald Piotrwoski Holding Corp.404 4th Llc2018041601157002
1999-01-23DEED$0 / not statedPiotrowski, Ronald DRonald Piotrowski Holding CorpFT_3350006925635
1987-04-30DEED$0 / not statedPiotrowski, Barbarac; Piotrowski, Ronald DPiotrowski, Ronald DFT_3800001312480
1977-08-15DEED$0 / not statedPiotrowski Edward; Piotrowski RonaldPiotrowski Ronald D; Piotrowski Barbara CBK_7730093800972
1969-09-03DEED$0 / not statedBialecki Wladyslaw DeceasedPiotrowski Edward; Piotrowski RonaldBK_6930035900335
1967-11-29DEED$0 / not statedPiotrowski Beatrice; Piotrowski Peter CBialecki WladyslawBK_6730059000420

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-09; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-09; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-09

DOB job filings 1 open of 1

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2018-05-18
321758745
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-05-15$235,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-08; last loaded 2026-11-09; DOB Job Application Filings (BIS) — city dataset updated 2026-11-08; last loaded 2026-11-09

Work permits 2

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2018-05-182019-05-18321758745
BIS
Plumbing / PlumbingISSUED (initial)
2018-05-152018-10-18321758745
BIS
Equipment work / Other / general constructionISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-09; last loaded 2026-11-09; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 2

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.

StatusIssuedTypeDescriptionNumber
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2015-10-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORTV*100115LBLVIO05869
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1995-08-29LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*082995LL629122759

Source: DOB Violations — city dataset updated 2026-11-09; last loaded 2026-11-09

DOB safety violations (DOB NOW) 0 active of 2

Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.

No active DOB NOW safety violations for this lot.

2 resolved or not active
StatusIssuedTypeDeviceNumberRemarks
Not active
Dismissed
2015-10-01LBLVIOBoiler100115LBLVIO05869VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT
Not active
Dismissed
1995-08-29LL6291Boiler082995LL629122759

Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-09; last loaded 2026-11-09

ECB violations (DOB) 0 active of 0

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-09

OATH tickets (all agencies) 1 unpaid of 21

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
Unpaid balance Default
DEFAULTED · DEFAULTED
2010-09-09Dep - Bureau Of Env. CompliancOPERATING EMISSION SOURCE WITH EXPIRED REGISTRATIONPIOTROWSKI, R C ATT: COLON$875 / $350 / $787000195850R
No balance due
PAID IN FULL
2025-02-15Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET404 4TH LLC$50 / $50 / $0048910550R
No balance due
PAID IN FULL
2024-10-16Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE404 4TH LLC$50 / $50 / $0048477115H
No balance due
PAID IN FULL
2019-06-30Dos - Enforcement AgentsSTORAGE OF RECEPTACLES404 4TH LLC$100 / $100 / $0044722124K
No balance due
PAID IN FULL
2018-09-20Sanitation OthersFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS404 4TH LLC$25 / $25 / $00204174392
No balance due
PAID IN FULL
2018-04-26Sanitation OthersIMPROPER DISPOSAL BEDDING 1ST OFFENSE404 4TH LLC$100 / $100 / $00197369224
No balance due Default
PAID IN FULL · DEFAULT
2015-03-17Sanitation DeptFAILURE TO CLEAN 18 INCHES INTO STREETRONALD PIOTROWSKI HOLDING CORP$130 / $130 / —042186202H
No balance due Default
PAID IN FULL · DEFAULTED
2014-10-02Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSRONALD PIOTROWSKI HOLDING CORP$25 / $25 / $0042005189R
No balance due Default
PAID IN FULL · DEFAULT
2013-09-22Sanitation DeptUNCOVERED RECEPTACLES 1ST OFFENSERONALD PIOTROWSKI HOLDING CORP$130 / $130 / —041406819N
No balance due Default
PAID IN FULL · DEFAULTED
2013-03-17Dos - Enforcement AgentsUNCOVERED RECEPTACLES 1ST OFFENSERONALD PIOTROWSKI HOLDING CORP$130 / $100 / —041685977N
No balance due Default
PAID IN FULL · DEFAULTED
2010-07-18Dos - Enforcement AgentsSTORAGE OF RECEPTACLESRONALD PIOTROWSKI HOLDING CORP$300 / $130 / —041482976L
No balance due
PAID IN FULL
2008-10-20Dos - Enforcement AgentsRECYCLABLES PLACED FOR COLLECTION WITH NON-RECYCLABLESRONALD PIOTROWSKI HOLDING CORP$25 / $25 / —042191058Z

Showing 12 of 21 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-09; last loaded 2026-11-09

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

HPD building ID
129020
Last registered
2021-12-21
Registration valid until
2022-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
AgentAlon AshourzadehNew York, Ny
Corporateowner404 4TH LLCNew York, Ny
HeadofficerAlon AshourzadehNew York, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; last loaded 2026-11-09; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-09

HPD housing-code violations 21 open of 26

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

StatusClassIssuedAptCondition
Open
Nov Sent Out · 2026-04-30
A2026-04-30(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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Open
Info Nov Sent Out · 2025-11-19
I2025-11-19§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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Open
Nov Sent Out · 2025-06-05
A2025-06-05(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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Open
Info Nov Sent Out · 2024-11-26
I2024-11-26§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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Open
Nov Sent Out · 2024-04-03
A2024-04-03(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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Open
Info Nov Sent Out · 2023-11-20
I2023-11-20§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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Open
Nov Sent Out · 2023-03-17
A2023-03-17(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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Open
Info Nov Sent Out · 2022-11-09
I2022-11-09§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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE
Open
Nov Sent Out · 2022-02-18
A2022-02-18(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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Open
Nov Sent Out · 2013-07-29
B2013-07-29SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 100 WATTS MINIMUM REQUIRED , LIGHT FIXTURE PRESENT
Open
Nov Sent Out · 2010-08-31
B2010-08-31SECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING , 100 WATTS REQUIRED.
Open
Nov Sent Out · 2007-05-04
B2007-05-044RSECTION 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE SINK CABINET KITCHEN 4 STY APT 4R , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044RSECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE 4 STY APT 4R GARCIA , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044RSECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALLS FRONT ROOM 4 STY APT 4R , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044DSECTION 27-2026 ADM CODE REPAIR THE FLUSHING APPARATUS AND MAINTAIN SAME SO AS TO FLUSH EFFECTIVELY THE WATER CLOSET BATHROOM 4 STY NORTHWEST APT 4D. , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044DSECTION 27-2005 ADM CODE REPAIR THE ROOF SO THAT IT WILL NOT LEAK OVER CENTER ROOM & KITCHEN 4 STY NORTHWEST APT 4D. , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044RSECTION 27-2005 ADM CODE REPLACE WITH NEW THE MISSING LIGHT SWITCH COVER ON WALL KITCHEN 4 STY APT 4R , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044RSECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALLS AND CEILING BATHROOM 4 STY APT 4R , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044RSECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE WOODEN FRAME AND WINDOW SASH BATHROOM 4 STY APT 4R , SECTION '' ''
Open
Nov Sent Out · 2007-05-04
B2007-05-044DSECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE ENTRANCE DOOR TO 4 STY NORTHWEST APT 4D. , SECTION '' ''

Showing 20 of 26 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-09; last loaded 2026-11-09

HPD complaints 1

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

ReceivedStatusAptProblem(s)Outcome
2026-02-23CLOSE4RPlumbing – Water Supply
Heat/Hot Water – Apartment Only
HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more in

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-09; last loaded 2026-11-09

311 requests (last 12 months) 2

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

OpenedAgencyComplaintStatusClosed
2026-02-23HPDHEAT/HOT WATER – APARTMENT ONLYClosed2026-02-26
2026-02-23HPDPLUMBING – WATER SUPPLYClosed2026-02-27

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-09; last loaded 2026-11-09

Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

More in Park Slope: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on 4 Ave

Same tax block (992), closest first

All properties on 4 Ave, Brooklyn · Brooklyn 11215

Open-item counts as of November 9, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs