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Hillside Avenue, Queens, NY 11423

BBL 4104560016 (Borough 4, Block 10456, Lot 16) · BIN 4619664, 4624383 · Last updated:

Also recorded in city data as: 191-16 Hillside Ave · 191-16 Gar Hillside Ave

Summary · as of October 31, 2026

Hillside Avenue (Queens, NY 11423; tax lot BBL 4104560016) is an one-family home (building class A1: one-family home, two stories, detached), built around 2020, on a 4,200 sq ft lot zoned R2. City tax records list the owner as MAZUMDER, KAWSER A; per ACRIS, a deed to this owner dated June 2, 2023 lists a price of $1,265,000. The Department of Finance's final market value for tax year 2027 is $1,034,000. As of October 31, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. There was one 311 request 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
MAZUMDER, KAWSER A
Building class
A1 · One-family home, two stories, detached
Year built · units
2020 · 1 res.
Lot area · zoning
4,200 sq ft · R2
Market value (DOF)
$1,034,000 FY2027
Last priced deed
$1,265,000 · 2023-06-02
BBL
4104560016
BIN
4619664, 4624383

How to cite: NYC Property Facts, “Hillside Avenue, Queens, NY 11423 (BBL 4104560016)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/queens/hillside-avenue-4104560016. 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)
MAZUMDER, KAWSER AThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
A1 – One-family home, two stories, detachedThe Department of Finance’s category for what kind of building this is.
Land use
One- & two-family buildingsCity Planning’s broad category of how the lot is used.
Year built
2020Often an estimate for older buildings. Major alteration recorded: 2020.
Floors
2
Units
1 residential / 1 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
4,200 sq ft (40 ft × 125 ft)
Building floor area
2,096 sq ft
Zoning
R2The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
0.50 built / 0.75 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 4104560016 (Borough 4, Block 10456, Lot 16) · BIN 4619664, 4624383BBL 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; data as of 2026-11-02; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

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

Market value (tax year 2027, final roll)
$1,034,000The 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
$62,040The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$56,480Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,034,000$62,0401
2026Final$944,000$56,6401
2025Final$893,000$53,5801

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02

Sales & deed history 2

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
2023-06-02DEED$1,265,000Hollis LlcAhmed, Sufian; Mazumder, Kawser A; Ahmed, Tagred2023061300660001
2020-10-19DEED$0 / not statedHollis LlcHollis Llc2022020100338001

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02

DOB job filings 0 open of 11

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
Not open
SIGNED OFF · 2024-10-23
440813158
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2023-11-10$57,600
Not open
Approved · 2023-05-07
Q00507912-P4
DOB NOW
New Building2023-05-03$18,000
Not open
Approved · 2023-03-14
Q00507912-P3
DOB NOW
New Building2023-02-24$18,000
Not open
Approved · 2022-12-27
Q00507912-P2
DOB NOW
New Building2022-12-23$18,000
Not open
Approved · 2022-12-22
Q00507912-P1
DOB NOW
New Building2022-11-02$18,000
Not open
CO Issued · 2023-05-17
Q00507912-I1
DOB NOW
New Building2021-04-22$18,000
Not open
LOC Issued · 2022-12-28
Q00336277-I1
DOB NOW
Alteration2021-03-26$6,000
Not open
SIGNED OFF · 2023-02-14
421960792
BIS
A3 – Minor alteration (one type of work)2020-03-23—
Not open
PLAN EXAM - DISAPPROVED · 2021-04-21
421942189
BIS
NB – New building2020-03-18—
Not open
LOC Issued · 2023-01-21
Q00113152-I1
DOB NOW
Alteration2019-03-12$6,000
Not open
SIGNED OFF · 2023-04-20
421927277
BIS
NB – New building2019-02-22—

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 18

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
2023-11-162023-12-06440813158
BIS
Equipment work / Other / general constructionISSUED (initial)
2022-12-292023-10-15Q00507912-I1
DOB NOW
Structural
NEW ONE-CAR GARAGE. Related plumbing work type has been approved under house NB job # 421927277.
Permit Issued
2022-12-292023-10-15Q00507912-I1
DOB NOW
General Construction
NEW ONE-CAR GARAGE. Related plumbing work type has been approved under house NB job # 421927277.
Permit Issued
2022-12-292023-10-15Q00507912-I1
DOB NOW
Foundation
NEW ONE-CAR GARAGE. Related plumbing work type has been approved under house NB job # 421927277.
Permit Issued
2022-12-292023-10-15Q00507912-I1
DOB NOW
Earth Work
NEW ONE-CAR GARAGE. Related plumbing work type has been approved under house NB job # 421927277.
Permit Issued
2022-11-052023-10-15421927277
BIS
New buildingISSUED (renewal)
2022-10-312023-02-25Q00336277-I1
DOB NOW
Curb Cut
Application filling to construct new Curb cut
Signed-off
2022-10-282023-10-28421927277
BIS
Plumbing / PlumbingISSUED (renewal)
2022-01-212023-01-21Q00113152-I1
DOB NOW
Construction Fence
FILING FOR TEMPORARY CONSTRUCTION FENCE
Signed-off
2021-11-012022-10-15421927277
BIS
New buildingISSUED (renewal)
2021-10-282022-10-28421927277
BIS
Plumbing / PlumbingISSUED (initial)
2021-06-042021-10-15Q00113152-I1
DOB NOW
Construction Fence
FILING FOR TEMPORARY CONSTRUCTION FENCE
Signed-off

Showing 12 of 18 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-02; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 0

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).

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-02

ECB violations (DOB) 0 active of 3

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 #
Resolved
Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED
2022-08-17CLASS - 2AT THE TIME OF INSPECTION I OBSERVED, PERFORMING CONSTRUCTION WORK AT ONE STORIED DETACHED GARAGE, WITHOUT WORK PERMIT. ADDITIONALLY, UNABLE TO PROVIDE CONSTRUCTION DOCUMENTS ON SITE FOR RE-BUILDING GARAGE, WHI$3,125 / $0 / $3,12539505186Y
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2022-01-20CLASS - 2TEMP CONST EQUIPMENT ONSITE-EXPIRED PERMIT ATOI OBSERVED CONST FENCE INSTALLED@EXP1&4.UPON REV DEPT RECORDS (BIS&DOBNOW) OBSERVED THAT FENCEPERMIT Q00113152 EXPIRED10/15/21&HASNT BEEN RENEWED.RENEW FENCE PERMIT$625 / $651 / $035641167J
Resolved
Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED
2020-07-27CLASS - 2AT TIME OF INSPECTION OBSERVED ONGOING CONSTRUCTION ACTIVITIES CONTRARY TO MAYORS EMERGENCY EXECUTIVE ORDER 120 AND SUBSEQUENT ORDERS INCORPPORATING REQUIREMENTS OF GOVERNOR'S ORDER 202.34 AND SUBSEQUENT ORDERS$5,000 / $5,839 / $035446571H

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02

OATH tickets (all agencies) 0 unpaid of 3

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
NEW ISSUANCE
2026-10-21Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STMAZUMDER KAWSER A$50 / $0 / $50049711592J
No balance due
PAID IN FULL
2024-03-16Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSMAZUMDER KAWSER A$25 / $25 / $0048287870Y
No balance due
PAID IN FULL
2024-02-15Sanitation OthersSNOW,ICE DIRT ON SIDEWALKSMAZUMDER KAWSER A$100 / $100 / $0048264051Z

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02

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 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02

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 2026-11-02; data as of 2026-11-02

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 2026-11-02; data as of 2026-11-02

311 requests (last 12 months) 1

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
2026-09-20TLCFor Hire Vehicle Complaint – Driver Complaint - Non PassengerIn Progress—

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02

Nearby properties

On Hillside Ave

Same tax block (10456)

All properties on Hillside Ave, Queens · All of Queens 11423 (Hollis)

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs