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
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 1OATH tickets with unpaid balance
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).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
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 year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $1,435,000 | $645,750 | 2B |
| 2026 | Final | $1,268,000 | $570,600 | 2B |
| 2025 | Final | $1,190,000 | $535,500 | 2B |
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2019-05-21 | DEED | $1,850,000 | Richard A. Reinertsen, As Trustee; John D. Reinertsen, As Trustee; Edith Reinertsen Irrevocable Trust | 5417 9th Ave Llc | 2019052901175001 |
| 2015-01-23 | DEED | $0 / not stated | Reinertsen, Edith | Reinertsen, As Trustee, John D.; Reinertsen, As Trustee, Richard A.; Edith Reinertsen Irrevocable Tr U/T/D 1/23/15 | 2015021700775001 |
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.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Not open Approved · 2021-07-21 | B00251020-P3 DOB NOW | Alteration | 2021-06-24 | $64,775 |
| Not open Approved · 2021-06-24 | B00225148-P1 DOB NOW | Alteration | 2021-06-10 | $45,100 |
| Not open Approved · 2021-06-22 | B00251020-P2 DOB NOW | Alteration | 2021-05-26 | $64,775 |
| Not open Approved · 2021-05-20 | B00442887-P1 DOB NOW | Alteration | 2021-05-18 | $16,000 |
| Not open Approved · 2021-05-04 | B00251020-P1 DOB NOW | Alteration | 2021-05-03 | $64,775 |
| Not open LOC Issued · 2021-09-27 | B00442887-I1 DOB NOW | Alteration | 2021-01-22 | $16,000 |
| Not open LOC Issued · 2021-04-16 | B00419027-I1 DOB NOW | Alteration | 2020-10-26 | $3,000 |
| Not open LOC Issued · 2021-04-22 | B00387896-I1 DOB NOW | Alteration | 2020-08-20 | $5,000 |
| Not open LOC Issued · 2021-08-16 | B00370847-I1 DOB NOW | Alteration | 2020-07-15 | $800 |
| Not open LOC Issued · 2021-09-28 | B00252327-I1 DOB NOW | Alteration | 2020-05-12 | $244,987 |
| Not open LOC Issued · 2021-09-27 | B00251020-I1 DOB NOW | Alteration | 2020-01-03 | $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 | Alteration | 2019-09-10 | $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.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2021-06-10 | 2021-12-10 | B00225148-I1 DOB NOW | Mechanical Systems PROPOSED NEW HEATING, VENTILATION AND COOLING SYSTEM FOR NEW 4 STORY RESIDENTIAL BUILDING | Signed-off |
| 2021-05-02 | 2021-07-19 | B00442887-I1 DOB NOW | Boiler Equipment INSTALL (8) GAS FIRED COMBO BOILERS IN CONJUNCTION WITH ALT1# 321594315 | Signed-off |
| 2020-12-18 | 2021-12-16 | 321594315 BIS | Alteration | ISSUED (renewal) |
| 2020-12-17 | 2021-12-10 | B00419027-I1 DOB NOW | Supported Scaffold INSTALLATION OF PIPE SCAFFOLD WITH ALT 1 APPLICAION #321594315. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | Signed-off |
| 2020-12-17 | 2021-12-10 | B00370847-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 |
| 2020-10-27 | 2020-12-15 | B00419027-I1 DOB NOW | Supported Scaffold INSTALLATION OF PIPE SCAFFOLD WITH ALT 1 APPLICAION #321594315. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | Signed-off |
| 2020-10-19 | 2021-10-19 | B00251020-I1 DOB NOW | Sprinklers PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING. | Signed-off |
| 2020-10-19 | 2021-10-19 | B00251020-I1 DOB NOW | Sprinklers PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING. | Signed-off |
| 2020-10-19 | 2021-10-19 | B00251020-I1 DOB NOW | Plumbing PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING. | Signed-off |
| 2020-10-19 | 2021-10-19 | B00251020-I1 DOB NOW | Plumbing PROPOSE PLUMBING AND SPRINKLER WORK FOR VERTICAL AND HORIZONTAL ENLARGEMENT TO ESTABLISH 4 STORY RESIDENTIAL BUILDING. | Signed-off |
| 2020-09-09 | 2020-12-15 | B00252327-I1 DOB NOW | Structural PROPOSE 4 STORY RESIDENTIAL BUILDING. | Signed-off |
| 2020-08-20 | 2021-08-20 | B00387896-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.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2020-09-29 | CLASS - 2 | SIDEWLAK 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 / $0 | 35497001X |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2020-09-29 | CLASS - 2 | 3307.6.4.5-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 / $0 | 35497000Y |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2020-12-16 | CLASS - 2 | TEMPORARY 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 / $0 | 35539818N |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2020-12-16 | CLASS - 2 | TEMPORARY 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 / $0 | 35539819P |
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| Unpaid balance DOCKETED · IN VIOLATION | 2021-04-15 | Asbestos Control Program | FAILED TO COMPILE COMPLETE RECORDS OF ASBESTOS SURVEY | B SANNI | $1,000 / $0 / $1,300 | 051004302L |
| No balance due PAID IN FULL | 2025-12-31 | Sanitation Police | UNCOVERED RECEPTACLES 1ST OCCURRENCE | 5417 9TH AVE LLC | $50 / $70 / $0 | 049435759Y |
| No balance due Default PAID IN FULL · DEFAULTED | 2025-12-08 | Sanitation Police | FAILURE TO CLEAN 18 INCHES INTO STREET | 5417 9TH AVE LLC | $80 / $80 / $0 | 049484782N |
| No balance due HEARING COMPLETED · IN VIOLATION | 2022-10-21 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | 5417 9TH AVE LLC | $0 / $0 / $0 | 012128510X |
| No balance due PAID IN FULL | 2021-03-30 | Dep - Iwc | UNAUTHORIZED DISCHARGE TO CATCH BASIN STORM SANITARY SEWER 1ST OFFENSE | NYC MAINMAN CORP | $250 / $250 / $0 | 0204805087 |
| No balance due HEARING COMPLETED · IN VIOLATION | 2020-12-16 | Dept. Of Buildings | TEMPORARY CONSTRUCTION EQUIPMENT ON SITE-EXPIRED PERMIT | KW DEVELOPMENT CONTRACTIN | $0 / $0 / $0 | 035539818N |
| No balance due HEARING COMPLETED · IN VIOLATION | 2020-12-16 | Dept. Of Buildings | TEMPORARY CONSTRUCTION EQUIPMENT ON SITE-EXPIRED PERMIT | KW DEVELOPMENT CONTRACTIN | $0 / $0 / $0 | 035539819P |
| No balance due PAID IN FULL · IN VIOLATION | 2020-09-29 | Dept. Of Buildings | WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AMENDMENTS | KW DEVELOPMENT CONTRACTION | $625 / $625 / $0 | 035497001X |
| No balance due HEARING COMPLETED · IN VIOLATION | 2020-09-29 | Dept. Of Buildings | MISCELLANEOUS VIOLATIONS | KW DEVELOPMENT CONTRACTIN | $0 / $0 / $0 | 035497000Y |
| No balance due PAID IN FULL | 2018-12-13 | Sanitation Others | LOOSE RUBBISH | REINRISEN AS TRUSTEE JOHN | $100 / $100 / $0 | 0205540116 |
| No balance due PAID IN FULL | 2018-10-15 | Dos - Enforcement Agents | LOOSE RUBBISH | REINERTSEN | $100 / $200 / $-100 | 042048610L |
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.
| Received | Status | Apt | Problem(s) | Outcome |
|---|---|---|---|---|
| 2022-05-16 | CLOSE | FL2 | Flooring/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
- 5415 9th Avenue (19 ft) (27 open items)
- 5421 9th Avenue (21 ft)
- 5413 9th Avenue (40 ft) (three open items)
- 5423 9th Avenue (42 ft)
Same tax block (5673), closest first
- 906 54th Street (99 ft) (one open item)
- 904 54th Street (100 ft)
- 910 54th Street (101 ft) (one open item)
- 902 54th Street (106 ft)
- 912 54th Street (106 ft)
- 914 54th Street (118 ft)
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