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9523 3rd Avenue, Brooklyn, NY 11209

BBL 3061170001 (Borough 3, Block 6117, Lot 1) · BIN 3155573 · Last updated:

Also recorded in city data as: 305 96 St

Summary · as of October 31, 2026

9523 3rd Avenue (Brooklyn, NY 11209; tax lot BBL 3061170001) is a 7-unit walk-up apartment building (building class C7: walk-up apartments, more than six families, with stores), built around 1929, on a 1,932 sq ft lot zoned R6A. City tax records list the owner as NORDBO CORPORATION. The Department of Finance's final market value for tax year 2027 is $1,133,000. As of October 31, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off, one active DOB violation and one active ECB violation. There were seven 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
NORDBO CORPORATION
Building class
C7 · Walk-up apartments, more than six families, with stores
Year built · units
1929 · 7 res.
Lot area · zoning
1,932 sq ft · R6A
Market value (DOF)
$1,133,000 FY2027
Last priced deed
—
BBL
3061170001
BIN
3155573

How to cite: NYC Property Facts, “9523 3rd Avenue, Brooklyn, NY 11209 (BBL 3061170001)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/9523-3rd-avenue-3061170001. 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)
NORDBO CORPORATIONThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C7 – Walk-up apartments, more than six families, with storesThe 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
1929Often an estimate for older buildings.
Floors
4
Units
7 residential / 8 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,932 sq ft (24.92 ft × 77.33 ft)
Building floor area
6,912 sq ft (incl. 1,728 sq ft commercial)
Zoning
R6A, BRThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
3.58 built / 3.00 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 3061170001 (Borough 3, Block 6117, Lot 1) · BIN 3155573BBL 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)
$1,133,000The 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
$509,850The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$334,608Assessed value minus any exemptions.
Tax class
Tax class 2B – residential rental, 7–10 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,133,000$509,8502B
2026Final$1,416,000$637,2002B
2025Final$1,179,600$530,8202B

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
1995-01-03DEED$0 / not statedNordbo, GretheNordbo CorporationFT_3530004658353
1992-06-08DEED$0 / not statedNordbo, John; Nordbo, GretheNordbo, GretheFT_3940001693994

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 2 open of 3

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 Entire · 2020-12-28
B00064466-I1
DOB NOW
Alteration2018-07-24$5,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 1999-06-18
300861360
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1999-05-13$6,000
Not open
SIGNED OFF · 2012-04-03
320319295
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2011-06-09$127,750

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 7

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
2019-08-022021-01-31B00064466-I1
DOB NOW
Sidewalk Shed
PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. LIVE LOAD 300 LBS PER SQUARE FEET. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDI
Permit Issued
2018-07-252019-07-25B00064466-I1
DOB NOW
Sidewalk Shed
PROPOSED INSTALLATION OF HEAVY DUTY SIDEWALK SHED AS PER PLANS. LIVE LOAD 300 LBS PER SQUARE FEET. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDI
Permit Issued
2011-07-132012-07-12320319295
BIS
Plumbing / PlumbingISSUED (initial)
2011-07-012012-03-04320319295
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2011-06-242012-03-04320319295
BIS
Equipment work / Other / general constructionISSUED (initial)
1999-06-182000-01-12300861360
BIS
Equipment work / BoilerISSUED (initial)
1999-06-182000-06-17300861360
BIS
Plumbing / PlumbingISSUED (initial)

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 1 active of 7

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).

StatusIssuedTypeDescriptionNumber
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629121833
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2011-12-13LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORTV*121311LBLVIO14542
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2009-12-31LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDV*123109LBLVIO16917
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1998-05-04LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*050498LL629117676
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1997-02-10LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*021097LL629129470
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060194LL629104421
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060193LL629104420

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

ECB violations (DOB) 1 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: DISMISSED · Certification: N/A - DISMISSED
2018-07-23CLASS - 2PSWO SUSPENDED SCAFFOLD. FAILED TO NOTIFY DEPT PRIOR TO INSTALLATION OF SUSPENDED SCAFFOLD. NOTED AT TIME OF INSPECTION TWO POINT SINGLE LEVEL ADJUSTABLE SUSPENDED SCAFFOLD W/ C-HOOK ROPE INSTALL AND HANGING ON$0 / $0 / $035324376R
Resolved
Hearing: STIPULATION/IN-VIO · Certification: CERTIFICATE ACCEPTED
1999-04-09Non-Hazardous36-BOILER NOT REGISTERED. WEIL MCLAIN STEAM BOILER-GAS-OLD RATING PLATE OVER NEW RATING PLATE 2-4 YRS OLD.$350 / $350 / $032017335L
Active
Hearing: DEFAULT · Certification: NO COMPLIANCE RECORDED
1999-04-09Non-Hazardous19B-MANUAL RESET PRESTROL MISSING. NATCO BOILER FOR LAUNDROMAT.$400 / $450 / $032017334J

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

OATH tickets (all agencies) 0 unpaid of 20

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 Default
RESCHEDULED · DEFAULTED
2025-12-04Dep - Bureau Of Env. CompliancUNREGISTERED BOILER OR WATER HEATER-350,000-4,200,000 BTU HR 1ST OFFNORDBO CORPORATION$1,600 / $0 / $1,600000694252N
No balance due
PAID IN FULL · ADMIT IN-VIO
2025-12-04Dep - Bureau Of Env. CompliancUNREGISTERED BOILER OR WATER HEATER-350,000-4,200,000 BTU HR 1ST OFFNEW NEIGHBOR LAUNDROMAT INC$400 / $400 / $0000694253P
No balance due
PAID IN FULL
2025-10-04Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETNORDBO CORPORATION$50 / $50 / $0049230505P
No balance due
PAID IN FULL
2021-06-23Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETNORDBO CORPORATION$100 / $100 / $0047170445H
No balance due
HEARING COMPLETED · DISMISSED
2018-07-23Dept. Of BuildingsFAIL TO NOTIFY DOB PRIOR TO INSTALLATION REMOVAL OF SUSPENDED SCAFFOLDNORDBO CORPORATION$0 / $0 / $0035324376R
No balance due
PAID IN FULL · IN VIOLATION
2016-07-06Env ProtectFAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTERTHE NORDBO CORPORATION$50 / $50 / —0193493264
No balance due
PAID IN FULL
2014-10-03IMPROPER DISPOSAL BEDDING 1ST OFFENSENORDBO CORPORATION$100 / $100 / —0178064105
No balance due
PAID IN FULL
2014-07-29Sanitation DeptNON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION 1TO8 DWELLING UNITSNORDBO CORPORATION$25 / $25 / —041826905K
No balance due
PAID IN FULL · STIPULATED
2012-04-25Dep - Bureau Of Env. CompliancOPERATING EMISSION SOURCE WITH EXPIRED REGISTRATIONNORDBO CORP$350 / $350 / —000515924K
No balance due
PAID IN FULL
2011-11-14Dos - Enforcement AgentsLOOSE RUBBISHNORDBO CORPORATION$100 / $100 / —041431821R
No balance due
HEARING COMPLETED · DISMISSED
2010-12-09SPILLAGE FROM TRUCK OR RECEPTACLENORDBO CORPORATION— / — / —040514205K
No balance due
PAID IN FULL · IN VIOLATION
2010-04-22Dep - Bureau Of Env. CompliancOPERATING EMISSION SOURCE WITH EXPIRED REGISTRATIONNEW NEIGHBOR LAUNDROMAT$350 / $350 / —000195238K

Showing 12 of 20 records. The API and the source dataset have the full list.

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.

HPD building ID
128381
Last registered
2026-07-14
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
ShareholderJohn NordboBrooklyn, Ny
OfficerKathryn PepiaBrooklyn, Ny
HeadofficerJohn NordboBrooklyn, Ny
AgentJohn NordboBrooklyn, Ny
SitemanagerJohn Nordbo
CorporateownerNORDBO CORPORATIONBrooklyn, Ny

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 3

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
Closed
Violation Dismissed · 2022-02-28
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.
Closed
Violation Dismissed · 2021-04-19
A2021-04-05(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.
Closed
Violation Dismissed · 2015-10-21
I2015-10-06SECTION27-2107 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 P

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) 7

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
2026-05-11NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-05-11
2026-05-01NYPDAbandoned Vehicle – With License PlateClosed2026-05-01
2026-04-14DEPSewer – Street Flooding (SJ)Closed2026-04-15
2026-04-12DEPSewer – Street Flooding (SJ)Closed2026-04-13
2026-02-12NYPDIllegal Parking – Blocked HydrantClosed2026-02-12
2026-02-09DSNYIllegal Dumping – Removal RequestClosed2026-02-18
2026-02-09NYPDIllegal Parking – Blocked HydrantClosed2026-02-09

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

Nearby properties

On 3 Ave

Same tax block (6117)

All properties on 3 Ave, Brooklyn · All of Brooklyn 11209 (Bay Ridge)

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