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101 St Marks Place, Brooklyn, NY 11217

BBL 3009320066 (Borough 3, Block 932, Lot 66) · BIN 3018565 · Last updated:

Summary · as of November 6, 2026

101 St Marks Place (Brooklyn, NY 11217; tax lot BBL 3009320066) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1910, on a 2,000 sq ft lot zoned R6B. City tax records list the owner as FERGUSON, KAREN C. The Department of Finance's final market value for tax year 2027 is $3,094,000. As of November 6, 2026, NYC Open Data shows 16 open HPD violations and one OATH ticket with an unpaid balance. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
FERGUSON, KAREN C
Building class
C0 · Three-family walk-up
Year built · units
1910 · 3 res.
Lot area · zoning
2,000 sq ft · R6B
Market value (DOF)
$3,094,000 FY2027
Last priced deed
—
BBL
3009320066
BIN
3018565

How to cite: NYC Property Facts, “101 St Marks Place, Brooklyn, NY 11217 (BBL 3009320066)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/101-st-marks-place-3009320066. 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)
FERGUSON, KAREN CThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C0 – Three-family walk-upThe 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.
Floors
3
Units
3 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,000 sq ft (20 ft × 100 ft)
Building floor area
2,700 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.35 built / 2.00 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 3009320066 (Borough 3, Block 932, Lot 66) · BIN 3018565BBL 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 2026-11-06; 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)
$3,094,000The 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
$185,640The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$44,142Assessed 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$3,094,000$185,6401
2026Final$2,353,000$141,1801
2025Final$2,391,000$143,4601

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-06

Sales & deed history 6

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
2017-02-03CORRD$0 / not statedFerguson, KarenFerguson, Karen C2017021701022001
1986-11-05DEED$0 / not statedFerguson, Roger E; Ferguson, KarenFerguson, KarenFT_3790001289279
1981-12-24DEED$0 / not statedMadlansacay Priscilla; W Jangco Antonic; Madlansacay Len; Wijangco AntonioFerguson Roger; Ferguson KarenBK_8130128601556
1980-10-21DEED$0 / not statedVelez Miriam QuilantWijangco Antonio; Madlansacay Priscilla; Madlansacay LenBK_8030119101217
1973-06-20DEED$0 / not statedCortez VirginiaVelez Miriam KBK_7330064001131
1967-11-08DEED$0 / not statedCourt CelsaCortez VirginiaBK_6730057300428

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-06; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-06

DOB job filings 0 open of 0

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.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-05; data as of 2026-11-06; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

Work permits 0

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.

No records found in this dataset for this lot.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-05; data as of 2026-11-06; 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 2026-11-05; data as of 2026-11-06

ECB violations (DOB) 0 active of 0

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.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-11-05; data as of 2026-11-06

OATH tickets (all agencies) 1 unpaid of 2

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
DEFAULTED · DEFAULT
2012-03-28FAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STFERGUSON$600 / — / $6000800210896
No balance due
HEARING COMPLETED · DISMISSED
2010-03-19Dos - Enforcement AgentsLOOSE RUBBISHKAREN— / — / —042282887J

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-06; data as of 2026-11-06

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
375094
Last registered
2026-02-09
Registration valid until
2026-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
IndividualownerKaren FergusonBrooklyn, Ny
SitemanagerKaren Ferguson

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-06; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-06

HPD housing-code violations 16 open of 32

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
Open
Nov Sent Out · 2008-06-11
A2008-06-11SECTION 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR FRAME MISSING.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF REFRIGERATOR 1STY PUBLIC HALL.
Open
Nov Sent Out · 2008-06-11
B2008-06-11SECTION 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION PARTITIONS ERECTED CREATING ROOMS PLUMBING INSTALLED AT CELLAR.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-34.01 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS CELLAR REAR.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-19.07 ADM CODE INSTALL AND MAINTAIN SUFFICIENT LIGHT OR LIGHTS OF AT LEAST 40 WATTS INCANDESCENT OR EQUIVALENT EACH, TO LIGHT ADEQUATELY FROM SUNSET TO SUNRISE THE REAR YARD.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-10.01 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE MARBLE SADDLE AT VESTIBULE DOOR 1 STY PUB HALL.
Open
Nov Sent Out · 2008-06-11
B2008-06-11SECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE SPALLING BROWNSTONE UNDER 1 STY EAST WINDOW FRONT OF BLDG.
Open
Nov Sent Out · 2008-06-11
B2008-06-11SECTION 65 M/D LAW PROVIDE UNDER COMPLETED PERMIT, A PROPER ENCLOSURE FOR THE CENTRAL HEATING PLANT, CELLAR FRONT.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTERBOARD CLG CELLAR.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-19.07 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 50 WATTS.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PLASTERBOARD WALLS COCKLOFT SCUTTLE RECESS TO ROOF.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-12.01 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT WALL AT STAIR 1 STY PUB HALL.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE LOOSE & MISSING BRICKWORK DISUSED CHIMNEY ROOF FRONT & REAR WEST.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-10.01, 10.05 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CLOTHES LINES & HOUSEHOLD ITEMS ALL STYS REAR STACK.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-10.01 ADM CODE REPLACE WITH NEW THE MISSING CERAMIC FLOOR TILES VESTIBULE 1 STY PUB HALL.
Open
Nov Sent Out · 2008-06-11
A2008-06-111D26-12.01 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT BATHROOM CLG 1ST STY FRONT APT 1. , SECTION '' ''
Closed
Violation Dismissed · 2026-02-10
I2025-11-19§27-2107 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 PREMISE
Closed
Violation Dismissed · 2026-02-23
A2025-06-11(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 · 2026-02-10
I2024-11-27§27-2107 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 PREMISE
Closed
Violation Dismissed · 2026-02-23
A2024-04-11(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.

Showing 20 of 32 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-05; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-06

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 2026-11-06; data as of 2026-11-06

Nearby properties

More in Park Slope: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

On St Marks Pl

Same tax block (932)

All properties on St Marks Pl, Brooklyn · All of Brooklyn 11217

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