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321 Avenue X, Gravesend (East)-Homecrest, Brooklyn, NY 11223

BBL 3071750046 (Borough 3, Block 7175, Lot 46) · BIN 3194529 · Last updated: · Gravesend (East)-Homecrest · ZIP 11223

Summary · as of November 9, 2026

321 Avenue X (Brooklyn, NY 11223; tax lot BBL 3071750046) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S9: mixed-use: dwelling with stores or offices, miscellaneous), built around 1931, on a 4,000 sq ft lot zoned R4. City tax records list the owner as NICELLI, JOHN A; per ACRIS, a deed to this owner dated September 13, 2019 lists a price of $510,000 in a deed covering 2 lots. The Department of Finance's final market value for tax year 2027 is $809,000. As of November 9, 2026, NYC Open Data shows two active DOB violations (one BIS violation and one DOB NOW safety violation) and two active ECB violations. There were 16 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
NICELLI, JOHN A
Building class
S9 · Mixed-use: dwelling with stores or offices, miscellaneous
Year built · units
1931 · 2 res.
Lot area · zoning
4,000 sq ft · R4
Market value (DOF)
$809,000 FY2027
Last priced deed
$510,000 · 2019-09-13
BBL
3071750046
BIN
3194529

How to cite: NYC Property Facts, “321 Avenue X, Brooklyn, NY 11223 (BBL 3071750046)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/321-avenue-x-3071750046. 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)
NICELLI, JOHN AThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S9 – Mixed-use: dwelling with stores or offices, miscellaneousThe Department of Finance’s category for what kind of building this is.
Land use
Mixed residential & commercialCity Planning’s broad category of how the lot is used.
Year built
1931Often an estimate for older buildings.
Floors
2
Units
2 residential / 4 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
4,000 sq ft (40 ft × 100 ft)
Building floor area
3,200 sq ft (incl. 1,600 sq ft commercial)
Zoning
R4, C1-2, OPThe zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
Built vs. allowed density (FAR)
0.80 built / 1.00 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 3071750046 (Borough 3, Block 7175, Lot 46) · BIN 3194529BBL 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)
$809,000The 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
$364,050The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$95,126Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$809,000$364,0502A
2026Final$674,000$303,3002A
2025Final$819,600$368,8202A

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

Sales & deed history 3

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
2019-09-13DEED$510,000
one deed covering 2 lots; price is for all of them
Cassotta, Patricia ANicelli, John A2019092300804001
2012-07-16DEED$0 / not stated
one deed covering 2 lots; price is for all of them
Anne Nicelli, Deceased; John A. Nicelli, ExecutorNicelli, John A; Cassotta, Patricia A2012092600159001
1987-03-27DEED$0 / not stated
one deed covering 2 lots; price is for all of them
Terranova, Caterina/ExecNicelli, AnneFT_3220001305522

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 0 open of 0

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.

No records found in this dataset for this lot.

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 0

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.

No records found in this dataset for this lot.

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 1 active of 3

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
Active
V-DOB VIOLATION - ACTIVE
2012-01-03E-ELEVATOR ELEVATORREQUIREDV010312E9027/411295
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2023-04-25LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTIONV*042523LBLVIO14621
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2015-03-03LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORTV*030315LBLVIO07930

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

DOB safety violations (DOB NOW) 1 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.

StatusIssuedTypeDeviceNumberRemarks
Active
Active
2025-01-31FTF-PL-PERGas Piping - LL152NOD-FTF-PL-PER-202312-0059324Cycle 1, Sub-cycle D (premises is in Community District 15)
1 resolved or not active
StatusIssuedTypeDeviceNumberRemarks
Not active
Dismissed
2023-04-25LBLVIOBoiler042523LBLVIO14621VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 INSPECTION REPORT

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

ECB violations (DOB) 2 active of 2

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.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Active
Hearing: PENDING
2026-08-27CLASS - 3WORK WITH OUT PERMIT: ATOI OBSERVED AT EXPO # 1 AND 2 A NON ILLUMINING AWNING SIGN APPOX 5 X 20 WITH METAL FRAMING COVER WITH BLACK CANVAS MATERIAL WITH WHITE LETTERING SAYING CUTS & CO NYC MOUNTED TO THE UPPER$250 / $0 / $25039202179H
Active
Hearing: PENDING
2026-08-27CLASS - 3WORK WITH OUT PERMIT: ATOI OBSERVED AT EXPO # 1 AND 2 A NON ILLUMINING AWNING SIGN APPOX 5 X 20 WITH METAL FRAMING COVER WITH BLACK CANVAS MATERIAL WITH WHITE LETTERING SAYING CUTS & CO NYC MOUNTED TO THE UPPER$250 / $0 / $25039202179H

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

OATH tickets (all agencies) 0 unpaid of 38

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 #
Hearing pending
ASSIGNED
2026-08-27Dept. Of BuildingsWORK WITHOUT A PERMITNICELLI JOHN A$250 / $0 / $250039202179H
No balance due
PAID IN FULL · IN VIOLATION
2026-04-07Sanitation OthersDIRTY SIDEWALKNICELLI JOHN A$50 / $50 / $0049675484R
No balance due
PAID IN FULL · IN VIOLATION
2026-03-12Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETNICELLI JOHN A$50 / $50 / $0049675412H
No balance due
HEARING COMPLETED · DISMISSED
2025-09-30Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETNICELLI JOHN A$0 / $0 / $0049453859K
No balance due
HEARING COMPLETED · DISMISSED
2025-03-18Sanitation OthersDIRTY SIDEWALKNICELLI JOHN A$0 / $0 / $0049030810P
No balance due
HEARING COMPLETED · DISMISSED
2024-10-25Sanitation OthersDIRTY SIDEWALKNICELLI JOHN A$0 / $0 / $0048668338R
No balance due
HEARING COMPLETED · DISMISSED
2024-10-25Sanitation OthersDIRTY SIDEWALKNICELLI JOHN A$0 / $0 / $0048668337P
No balance due
PAID IN FULL
2024-10-10Sanitation OthersDIRTY SIDEWALKNICELLI JOHN A$50 / $50 / $0048700706Z
No balance due
PAID IN FULL
2024-07-12Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLENICELLI JOHN A$50 / $50 / $0048555306L
No balance due
PAID IN FULL · SETTL IN-VIO
2024-07-10Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICESHALOM EXPRESS CORP$125 / $105 / $0048691952M
No balance due
PAID IN FULL · SETTL IN-VIO
2024-07-10Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICESHALOM EXPRESS CORP$125 / $105 / $0048691953Y
No balance due
HEARING COMPLETED · DISMISSED
2024-07-08Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICENEW YORK FIGHT CLUB C O BOXING$0 / $0 / $0047555439Z

Showing 12 of 38 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.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

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 0 open of 0

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.

No records found in this dataset for this lot.

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

HPD complaints 0

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.

No records found in this dataset for this lot.

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

311 requests (last 12 months) 16

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
2026-10-28NYPDIllegal Parking – Blocked CrosswalkClosed2026-10-28
2026-10-12NYPDNoise - Commercial – Loud Music/PartyClosed2026-10-12
2026-10-08NYPDNoise - Residential – Loud Music/PartyClosed2026-10-08
2026-10-08NYPDNoise - Residential – Loud Music/PartyClosed2026-10-08
2026-09-30NYPDNoise - Commercial – Loud Music/PartyClosed2026-10-01
2026-09-02NYPDNoise - Residential – Loud Music/PartyClosed2026-09-02
2026-08-28NYPDNoise - Residential – Loud Music/PartyClosed2026-08-29
2026-08-24NYPDNoise - Residential – Loud Music/PartyClosed2026-08-25
2026-08-24NYPDNoise - Residential – Loud Music/PartyClosed2026-08-25
2026-08-19DOBBuilding/Use – Illegal Conversion Of Residential Building/SpaceClosed2026-09-23

Showing 10 of 16 records. The API and the source dataset have the full list.

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 Gravesend (East)-Homecrest: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on Ave X

Same tax block (7175), closest first

All properties on Ave X, Brooklyn · Brooklyn 11223

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