Independent site. Data from NYC Open Data; not affiliated with the City of New York.

NYC Property Factsfree public-records reference

5417 9th Avenue, Brooklyn, NY 11220

BBL 3056730003 (Borough 3, Block 5673, Lot 3) · BIN 3359479, 3139179 · Last updated: · Sunset Park (Central) · ZIP 11220

Summary · as of November 6, 2026

5417 9th Avenue (Brooklyn, NY 11220; tax lot BBL 3056730003) is an 8-unit walk-up apartment building (building class C1: walk-up apartments, more than six families, no stores), built around 1910, on a 2,000 sq ft lot zoned R6. City tax records list the owner as 5417 9TH AVE LLC; per ACRIS, a deed to this owner dated May 21, 2019 lists a price of $1,850,000. The Department of Finance's final market value for tax year 2027 is $1,435,000. As of November 6, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows one OATH ticket with an unpaid balance. There were no 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
5417 9TH AVE LLC
Building class
C1 · Walk-up apartments, more than six families, no stores
Year built · units
1910 · 8 res.
Lot area · zoning
2,000 sq ft · R6
Market value (DOF)
$1,435,000 FY2027
Last priced deed
$1,850,000 · 2019-05-21
BBL
3056730003
BIN
3359479, 3139179

How to cite: NYC Property Facts, “5417 9th Avenue, Brooklyn, NY 11220 (BBL 3056730003)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/5417-9th-avenue-3056730003. 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)
5417 9TH AVE 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
1910Often an estimate for older buildings. Major alteration recorded: 2019.
Floors
4
Units
8 residential / 8 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
2
Lot size
2,000 sq ft (20 ft × 100 ft)
Building floor area
5,678 sq ft
Zoning
R6The zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.84 built / 2.43 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 3056730003 (Borough 3, Block 5673, Lot 3) · BIN 3359479, 3139179BBL 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 2026-11-07; Building Footprints — city dataset updated 2026-10-25; last loaded 2026-11-01

Tax assessment

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

Market value (tax year 2027, final roll)
$1,435,000The 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
$645,750The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$62,600Assessed value minus any exemptions.
Tax class
Tax class 2B – residential rental, 7–10 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,435,000$645,7502B
2026Final$1,268,000$570,6002B
2025Final$1,190,000$535,5002B

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-07

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
2019-05-21DEED$1,850,000Richard A. Reinertsen, As Trustee; John D. Reinertsen, As Trustee; Edith Reinertsen Irrevocable Trust5417 9th Ave Llc2019052901175001
2015-01-23DEED$0 / not statedReinertsen, EdithReinertsen, As Trustee, John D.; Reinertsen, As Trustee, Richard A.; Edith Reinertsen Irrevocable Tr U/T/D 1/23/152015021700775001

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-07; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-07; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-07

DOB job filings 0 open of 14

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
Approved · 2021-07-21
B00251020-P3
DOB NOW
Alteration2021-06-24$64,775
Not open
Approved · 2021-06-24
B00225148-P1
DOB NOW
Alteration2021-06-10$45,100
Not open
Approved · 2021-06-22
B00251020-P2
DOB NOW
Alteration2021-05-26$64,775
Not open
Approved · 2021-05-20
B00442887-P1
DOB NOW
Alteration2021-05-18$16,000
Not open
Approved · 2021-05-04
B00251020-P1
DOB NOW
Alteration2021-05-03$64,775
Not open
LOC Issued · 2021-09-27
B00442887-I1
DOB NOW
Alteration2021-01-22$16,000
Not open
LOC Issued · 2021-04-16
B00419027-I1
DOB NOW
Alteration2020-10-26$3,000
Not open
LOC Issued · 2021-04-22
B00387896-I1
DOB NOW
Alteration2020-08-20$5,000
Not open
LOC Issued · 2021-08-16
B00370847-I1
DOB NOW
Alteration2020-07-15$800
Not open
LOC Issued · 2021-09-28
B00252327-I1
DOB NOW
Alteration2020-05-12$244,987
Not open
LOC Issued · 2021-09-27
B00251020-I1
DOB NOW
Alteration2020-01-03$64,775
Not open
SIGNED OFF · 2021-09-13
340707284
BIS
A3 – Minor alteration (one type of work)2019-11-20—
Not open
LOC Issued · 2021-09-08
B00225148-I1
DOB NOW
Alteration2019-09-10$45,100
Not open
SIGNED OFF · 2022-02-25
321594315
BIS
A1 – Major alteration (changes use, egress or occupancy)2019-07-01$1,220,496

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-06; last loaded 2026-11-07; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; last loaded 2026-11-06; a later sync attempt failed on 2026-11-07; showing the last successful load

Work permits 16

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
2021-06-102021-12-10B00225148-I1
DOB NOW
Mechanical Systems
PROPOSED NEW HEATING, VENTILATION AND COOLING SYSTEM FOR NEW 4 STORY RESIDENTIAL BUILDING
Signed-off
2021-05-022021-07-19B00442887-I1
DOB NOW
Boiler Equipment
INSTALL (8) GAS FIRED COMBO BOILERS IN CONJUNCTION WITH ALT1# 321594315
Signed-off
2020-12-182021-12-16321594315
BIS
AlterationISSUED (renewal)
2020-12-172021-12-10B00419027-I1
DOB NOW
Supported Scaffold
INSTALLATION OF PIPE SCAFFOLD WITH ALT 1 APPLICAION #321594315. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Signed-off
2020-12-172021-12-10B00370847-I1
DOB NOW
Construction Fence
THIS JOB IS FILED FOR CONSTRUCTION FENCE FOR ALTERATION BUILDING WORK AT 5417 9TH AVE, BROOKLYN; JOB #321594315.
Signed-off
2020-10-272020-12-15B00419027-I1
DOB NOW
Supported Scaffold
INSTALLATION OF PIPE SCAFFOLD WITH ALT 1 APPLICAION #321594315. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Signed-off
2020-10-192021-10-19B00251020-I1
DOB NOW
Sprinklers
PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING.
Signed-off
2020-10-192021-10-19B00251020-I1
DOB NOW
Sprinklers
PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING.
Signed-off
2020-10-192021-10-19B00251020-I1
DOB NOW
Plumbing
PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING.
Signed-off
2020-10-192021-10-19B00251020-I1
DOB NOW
Plumbing
PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING.
Signed-off
2020-09-092020-12-15B00252327-I1
DOB NOW
Structural
PROPOSE 4 STORY RESIDENTIAL BUILDING.
Signed-off
2020-08-202021-08-20B00387896-I1
DOB NOW
Sidewalk Shed
INSTALLATION OF A HEAVY DUTY SIDEWALK SHED AS PER PLANS DURING GENERAL CONSTRUCTION. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED TO COMPLY WITH CHAPTER
Signed-off

Showing 12 of 16 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-06; last loaded 2026-11-07; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

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 2026-11-06; last loaded 2026-11-07

ECB violations (DOB) 0 active of 4

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: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2020-09-29CLASS - 2SIDEWLAK SHED DOES NOT MEET CODE SPECIFICATIONS NOTE AT THE TIME OF MY INSPECTION OF A 4 STOYR BUILDING I OBSERVED AT EXPOSURE #1 A SIDEWLAK SHED APPROXMATELY 14 FEET IN HEIGHT DOES NOT MEET CODE SPEC AS FO$625 / $625 / $035497001X
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2020-09-29CLASS - 23307.6.4.5-NOTE AT THE TIME OF MY INSEPCTION OF A 4 STOYR BUILDING I OBSERVED AT EXPOSURE #1 A SIDEWLAK SHED IN PLACE IN ADDITION THERE IS AN 8 FEET JOBSITE FENCE WHERE THERE WAS A GAP APPROXMATELY 3-5 FEET BE$0 / $0 / $035497000Y
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2020-12-16CLASS - 2TEMPORARY CONSTRUCTION EQUIPMENT ON SITE-EXPIRED CONST FENCE PERMIT:ATTIME OF INSPECTION AT AN ACTIVE JOBSITE ALT-1 FOR VERTICAL AND HORIZONTAL ENLARGEMENT OF EXISTING RESIDENTIAL BUILDING,IT WAS OBSERVED THAT$0 / $0 / $035539818N
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
2020-12-16CLASS - 2TEMPORARY CONSTRUCTION EQUIPMENT ON SITE-EXPIRED SUPPORTED PIPE SCAFFOLD PERMIT:AT TIME OF INSPECTION AT AN ACTIVE JOBSITE ALT-1 FOR VERTICAL AND HORIZONTAL EXPANSION OF EXISTING BUILDING IT WAS OBSERVED THAT T$0 / $0 / $035539819P

Source: DOB ECB Violations — city dataset updated 2026-11-06; last loaded 2026-11-07

OATH tickets (all agencies) 1 unpaid of 11

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
DOCKETED · IN VIOLATION
2021-04-15Asbestos Control ProgramFAILED TO COMPILE COMPLETE RECORDS OF ASBESTOS SURVEYB SANNI$1,000 / $0 / $1,300051004302L
No balance due
PAID IN FULL
2025-12-31Sanitation PoliceUNCOVERED RECEPTACLES 1ST OCCURRENCE5417 9TH AVE LLC$50 / $70 / $0049435759Y
No balance due Default
PAID IN FULL · DEFAULTED
2025-12-08Sanitation PoliceFAILURE TO CLEAN 18 INCHES INTO STREET5417 9TH AVE LLC$80 / $80 / $0049484782N
No balance due
HEARING COMPLETED · IN VIOLATION
2022-10-21Fire Department Of NycFIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS5417 9TH AVE LLC$0 / $0 / $0012128510X
No balance due
PAID IN FULL
2021-03-30Dep - IwcUNAUTHORIZED DISCHARGE TO CATCH BASIN STORM SANITARY SEWER 1ST OFFENSENYC MAINMAN CORP$250 / $250 / $00204805087
No balance due
HEARING COMPLETED · IN VIOLATION
2020-12-16Dept. Of BuildingsTEMPORARY CONSTRUCTION EQUIPMENT ON SITE-EXPIRED PERMITKW DEVELOPMENT CONTRACTIN$0 / $0 / $0035539818N
No balance due
HEARING COMPLETED · IN VIOLATION
2020-12-16Dept. Of BuildingsTEMPORARY CONSTRUCTION EQUIPMENT ON SITE-EXPIRED PERMITKW DEVELOPMENT CONTRACTIN$0 / $0 / $0035539819P
No balance due
PAID IN FULL · IN VIOLATION
2020-09-29Dept. Of BuildingsWORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AMENDMENTSKW DEVELOPMENT CONTRACTION$625 / $625 / $0035497001X
No balance due
HEARING COMPLETED · IN VIOLATION
2020-09-29Dept. Of BuildingsMISCELLANEOUS VIOLATIONSKW DEVELOPMENT CONTRACTIN$0 / $0 / $0035497000Y
No balance due
PAID IN FULL
2018-12-13Sanitation OthersLOOSE RUBBISHREINRISEN AS TRUSTEE JOHN$100 / $100 / $00205540116
No balance due
PAID IN FULL
2018-10-15Dos - Enforcement AgentsLOOSE RUBBISHREINERTSEN$100 / $200 / $-100042048610L

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-07; last loaded 2026-11-07

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 2026-11-07; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-07

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 2026-11-06; last loaded 2026-11-07

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
2022-05-16CLOSEFL2Flooring/Stairs – Floor
Unsanitary Condition – Pests
General – Ventilation System
Heat/Hot Water – Apartment Only
The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-07; last loaded 2026-11-07

311 requests (last 12 months) 0

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.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; last loaded 2026-11-07

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 Sunset Park (Central): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on 9 Ave

Same tax block (5673), closest first

All properties on 9 Ave, Brooklyn · Brooklyn 11220

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs