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859 Classon Avenue, Brooklyn, NY 11225

BBL 3011850001 (Borough 3, Block 1185, Lot 1) · BIN 3029670 · Last updated: · Prospect Lefferts Gardens-Wingate · ZIP 11225

Also recorded in city data as: 260 Eastern Pkwy · 226 Eastern Pkwy · 226 Classon Ave

Summary · as of November 8, 2026

859 Classon Avenue (Brooklyn, NY 11225; tax lot BBL 3011850001) is a school or educational building (building class W2: educational building (subtype W2)), built around 1922, on a 67,200 sq ft lot zoned R8A. City tax records list the owner as SAINT FRANCIS DE SALES. The Department of Finance's final market value for tax year 2027 is $10,668,000. As of November 8, 2026, NYC Open Data shows seven DOB jobs with a permit issued but no sign-off, seven active DOB violations and one OATH ticket with an unpaid balance. There were 34 311 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
SAINT FRANCIS DE SALES
Building class
W2 · Educational building
Year built · units
1922 · 0 res.
Lot area · zoning
67,200 sq ft · R8A
Market value (DOF)
$10,668,000 FY2027
Last priced deed
—
BBL
3011850001
BIN
3029670

How to cite: NYC Property Facts, “859 Classon Avenue, Brooklyn, NY 11225 (BBL 3011850001)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/859-classon-avenue-3011850001. 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)
SAINT FRANCIS DE SALESThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
W2 – Educational building (subtype W2)The Department of Finance’s category for what kind of building this is.
Land use
Public facilities & institutionsCity Planning’s broad category of how the lot is used.
Year built
1922Often an estimate for older buildings.
Floors
4
Units
0 residential / 0 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
67,200 sq ft (350 ft × 192 ft)
Building floor area
94,560 sq ft (incl. 94,560 sq ft commercial)
Zoning
R8AThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.41 built / 6.02 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 3011850001 (Borough 3, Block 1185, Lot 1) · BIN 3029670BBL 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 2026-11-08; 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)
$10,668,000The 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
$4,800,600The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$4,800,600Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$10,668,000$4,800,6004
2026Final$10,411,000$4,684,9504
2025Final$10,258,000$4,616,1004

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08

Sales & deed history 1

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
1989-10-27DEED$0 / not statedRoman Cath Diocese/Bk/NySaint Francis De SalesFT_3200001498920

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

DOB job filings 7 open of 13

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 ISSUED - ENTIRE JOB/WORK · 2019-11-15
322004629
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2019-11-15$10,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2016-06-14
321368220
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2016-04-14$250,000
Permitted, not signed off
PERMIT ISSUED - PARTIAL JOB · 2004-10-06
301829029
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2004-09-22$3,000
Permitted, not signed off
PERMIT ISSUED - PARTIAL JOB · 2004-04-26
301776399
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2004-04-19$3,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2001-04-10
301149754
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2001-03-21$20,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 1995-08-15
300356987
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1994-07-21$9,000
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2002-01-14
300337419
BIS
PA – Place of assembly1994-04-21—
Not open
Approved · 2023-11-03
B00897932-P1
DOB NOW
Alteration2023-10-12$160,000
Not open
LOC Issued · 2023-11-06
B00897932-I1
DOB NOW
Alteration2023-07-05$160,000
Not open
PLAN EXAM - DISAPPROVED · 2016-11-16
321476032
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2016-11-09$3,000
Not open
SIGNED OFF · 2008-07-29
310135582
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2008-04-30$24,000
Not open
SIGNED OFF · 2008-04-16
310012606
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2007-08-28$12,000
Not open
SIGNED OFF · 2007-02-13
301149745
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2001-03-21$1,079,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Job Application Filings (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-08

Work permits 13

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
2023-09-142024-09-14B00897932-I1
DOB NOW
Mechanical Systems
Installation of (2) HVAC units on existing dunnage at roof level.
Signed-off
2019-11-152020-10-01322004629
BIS
Equipment work / Other / general constructionISSUED (initial)
2008-05-232009-01-01310135582
BIS
Equipment work / Other / general constructionISSUED (initial)
2008-01-182009-01-01310012606
BIS
Equipment work / Other / general constructionISSUED (renewal)
2007-09-142008-01-01310012606
BIS
Equipment work / Other / general constructionISSUED (initial)
2006-06-082007-06-08301149745
BIS
Plumbing / PlumbingISSUED (renewal)
2004-10-062005-04-01301829029
BIS
Equipment work / Fire suppressionISSUED (initial)
2004-04-262004-11-15301776399
BIS
Equipment work / Fire suppressionISSUED (initial)
2003-04-232004-04-22301149745
BIS
Plumbing / PlumbingISSUED (initial)
2003-04-232003-05-01301149745
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2002-07-122003-04-01301149745
BIS
Equipment work / Other / general constructionISSUED (renewal)
2001-07-102002-07-01301149745
BIS
Equipment work / Other / general constructionISSUED (renewal)

Showing 12 of 13 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-07; last loaded 2026-11-08; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 7 active of 42

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
2021-12-17EVCAT5-NON-RESIDENTIAL ELEVATOR PERIODIC INSPECTION/TEST ELEVATORREQUIREDFAILURE TO PERFORM CATEGORY 5 INSPECTIONV121721EVCAT500636
Active
V-DOB VIOLATION - ACTIVE
2017-01-03ACC1-(OTHER BLDGS TYPES) - ELEVATOR AFFIRMATION OF CORRECTION ELEVATORREQUIREDVIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2015 CAT 1 INSP/TSTV010317ACC111923
Active
V-DOB VIOLATION - ACTIVE
2012-05-03BENCH-FAILURE TO BENCHMARK NONEFAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4V050312BENCH01888
Active
V-DOB VIOLATION - ACTIVE
2012-01-01BENCH-FAILURE TO BENCHMARK NONEFAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4V010112BENCH01642
Active
V-DOB VIOLATION - ACTIVE
2010-10-08VCAT1-ELEVATOR ANNUAL INSPECTION / TEST ELEVATORREQUIREDV100810VCAT103465
Active
VW-VIOLATION WORK WITHOUT PERMIT - ACTIVE
2001-06-27C-CONSTRUCTION OTHER OPTIONALWORK WITHOUT A PERMIT NOTED: 2 CUT CURB APPROX 10'LONG EACH AT REAR OF PREMISES AT UNION ST FOR THE STAFF PARKING LOTS NO RECORD FOUND AT DEPT OF BUILDING. REMEDY:OBTAIN PERMITVW062701C09PV02
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629128229
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2021-04-29EGRADE-FAILURE TO POST ENERGY GRADE/SCORE NONEFAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3V*042921EGRADE2003022
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2020-02-18E-ELEVATOR ELEVATORREQUIREDV*021820E9028/671874
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2020-02-18E-ELEVATOR ELEVATORREQUIREDV*021820E9028/671872
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2020-02-18E-ELEVATOR ELEVATORREQUIREDV*021820E9028/671873
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2020-02-18E-ELEVATOR ELEVATORREQUIREDV*021820E9028/671871
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2019-11-08LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORTV*110819LBLVIO08637
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2019-11-08LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORTV*110819LBLVIO08638
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2019-02-16BENCH-FAILURE TO BENCHMARK NONEFAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4V*021619BENCH00435

Showing 15 of 42 records. The API and the source dataset have the full list.

Source: DOB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08

ECB violations (DOB) 0 active of 5

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
1991-03-28Non-HazardousFAILURE TO PROVIDE PROPER FLOOR NUMBER ON EXIT DOORS. FAILURE TO PROVIDE PROPER FLOOR LETTERS ON EXIT DOORS.REMEDY-PROVIDE 3" LETTERS AN NUMBERS ON EXIT DOORS;AS PER LOCAL LAW 16/84-SHOULD BE "DURABLE"$400 / $400 / $034054343R
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2001-06-27Non-HazardousWORK WITHOUT A PERMIT. NOTED: 2 CUT CURB APPROX 10' LONG EACH AT REAR OF PREMISES AT UNION STR. FOR THE STAFF PARKING LOTS. NO RECORD FOUND AT DEPT. OF BUILDING REMEDY: OBTAIN A PERMIT$0 / $0 / $034299114Z
Resolved
Hearing: WRITTEN OFF · Certification: CERTIFICATE ACCEPTED
Written off refers to the penalty, not the violation.
1993-09-22Non-HazardousOPERATION OF PLACE OF ASSEMBLY WITHOUT CURRENT PERMIT. 1ST FLOOR AUDITIORIUM NO PA. PERMIT OR PLANS. REMEDY:OBTAIN A PLACE OF ASSEMBLY PERMIT.$500 / $0 / $034098810L
Resolved
Hearing: STIPULATION/IN-VIO · Certification: CERTIFICATE ACCEPTED
1991-03-28Non-HazardousFAILURE TO PROVIDE EMERGENCY POWER EXIT LIGHT IN EACH STAIRCASE AND INADEQUATE EMRG POWER EXIT LIGHT IN MAIN CORRIDOR ON EACH FLOOR. REMEDY-PROVIDE PROPER EMERG POWER EXIT LIGHT ACCORDING TO B.E.C. STANDARDS.$400 / $400 / $034054342P
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
1991-07-29Non-HazardousFAILURE TO FILE A REPORT OF COMPLINCE WITH LOCAL LAW 16/84 CERT TO THE INSTALLATINN OF REQUIRED FIRE PROTECTION SYSTEMS. REMEDY:FILE REPORT.$345 / $345 / $034054525H

Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08

OATH tickets (all agencies) 1 unpaid of 59

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 Default
DOCKETED · DEFAULTED
2025-12-18Fire Department Of NycSTORAGE, ACCUMULATION AND REMOVAL OF COMBUSTIBLE MATERIAL AND WASTEST. FRANCIS DE SALES SCHOOL$3,000 / $3,002 / $24014221129X
No balance due
HEARING COMPLETED · IN VIOLATION
2026-01-16Fire Department Of NycRECORDKEEPINGST FRANCIS DE SALES SCHOOL FOR$0 / $0 / $0014225640L
Hearing pending Default
RESCHEDULED · DEFAULTED
2025-12-18Fire Department Of NycROOFTOP ACCESS AND MEANS OF EGRESSST. FRANCIS DE SALES SCHOOL$1,000 / $0 / $1,000014221130N
No balance due
HEARING COMPLETED · IN VIOLATION
2025-07-10Fire Department Of NycFIRE PROTECTION SYSTEMSST FRANCIS DE SALES$0 / $0 / $0014194685X
No balance due
PAID IN FULL · IN VIOLATION
2024-08-30Nypd Transport Intelligence DiFAILURE TO COMPLY WITH THE TERMS AND CONDITIONS OF DOT PERMITSPERCIBALLI CONTAINER SERVICE I$1,200 / $1,200 / $00218627054
No balance due
HEARING COMPLETED · IN VIOLATION
2024-08-21Fire Department Of NycRECORDKEEPINGST FRANCIS DESALES SCHOOL FOR$0 / $0 / $0014142609J
No balance due
PAID IN FULL · IN VIOLATION
2024-08-14Fire Department Of NycFIRE PROTECTION SYSTEMSST FRANCIS DE SALES$1,550 / $1,550 / $0014141004M
No balance due Default
PAID IN FULL · DEFAULTED
2023-12-13Fire Department Of NycFIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMSST FRANCIS DE SALES SCHOOL FO$5,000 / $5,139 / $0012148131Y
No balance due Default
PAID IN FULL · DEFAULTED
2023-09-12Fire Department Of NycINSPECTION AND TESTINGST FRANCIS DE SALES$1,000 / $1,079 / $0014080222Y
No balance due
PAID IN FULL · IN VIOLATION
2023-08-31Fire Department Of NycFIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMSST FRANCIS DE SALES SCHOOL FO$935 / $935 / $0012144798Y
No balance due
PAID IN FULL · IN VIOLATION
2023-07-10Fire Department Of NycFIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMSST FRANCIS DE SALES SCHOOL FO$935 / $938 / $0012137868P
No balance due Default
PAID IN FULL · DEFAULTED
2023-03-03Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFFB F SKILLED INC$1,000 / $1,336 / $0000782472P

Showing 12 of 59 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-08; last loaded 2026-11-08

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 2026-11-08; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-08

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 2026-11-08; last loaded 2026-11-08

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
2025-09-03CLOSE2GHeat/Hot Water – Apartment OnlyThe Department of Housing Preservation and Development was not able to gain access to your apartment or others in the building to inspect for a lack of heat or hot water. The complaint has been closed

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-08; last loaded 2026-11-08

311 requests (last 12 months) 34

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
2026-08-30DSNYDirty Condition – TrashClosed2026-08-31
2026-08-12NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-08-12
2026-08-06NYPDAbandoned Vehicle – With License PlateClosed2026-08-06
2026-08-06NYPDAbandoned Vehicle – With License PlateClosed2026-08-06
2026-08-05NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-08-05
2026-08-01NYPDIllegal Parking – Blocked CrosswalkClosed2026-08-01
2026-07-23NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-07-23
2026-07-22NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-07-22
2026-07-22NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-07-22
2026-07-22NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-07-22

Showing 10 of 34 records. The API and the source dataset have the full list.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; last loaded 2026-11-07; a later sync attempt failed on 2026-11-08; showing the last successful load

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 Prospect Lefferts Gardens-Wingate: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on Classon Ave

All properties on Classon Ave, Brooklyn · Brooklyn 11225

Open-item counts as of November 8, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs