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

NYC Property Factsfree public-records reference

261 23rd Street, Park Slope, Brooklyn, NY 11215

BBL 3008990060 (Borough 3, Block 899, Lot 60) · BIN 3017657 · Last updated: · Park Slope · ZIP 11215

Summary · as of November 10, 2026

261 23rd Street (Brooklyn, NY 11215; tax lot BBL 3008990060) is a two-family home (building class B2: two-family home, frame (wood)), built around 1901, on a 2,504 sq ft lot zoned R6B. City tax records list the owner as MARTINEZ, CHRISTINE; per ACRIS, a deed to this owner dated August 3, 2004 lists a price of $587,600. The Department of Finance's final market value for tax year 2027 is $1,438,000. As of November 10, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows one active ECB violation. There were two 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
MARTINEZ, CHRISTINE
Building class
B2 · Two-family home, frame
Year built · units
1901 · 2 res.
Lot area · zoning
2,504 sq ft · R6B
Market value (DOF)
$1,438,000 FY2027
Last priced deed
$587,600 · 2004-08-03
BBL
3008990060
BIN
3017657

How to cite: NYC Property Facts, “261 23rd Street, Brooklyn, NY 11215 (BBL 3008990060)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/261-23rd-street-3008990060. 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)
MARTINEZ, CHRISTINEThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
B2 – Two-family home, frame (wood)The Department of Finance’s category for what kind of building this is.
Land use
One- & two-family buildingsCity Planning’s broad category of how the lot is used.
Year built
1901Often an estimate for older buildings.
Floors
3
Units
2 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,504 sq ft (25 ft × 100.17 ft)
Building floor area
1,800 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
0.72 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 3008990060 (Borough 3, Block 899, Lot 60) · BIN 3017657BBL 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 2026-11-12; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08; checked unchanged 2026-11-10

Tax assessment

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

Market value (tax year 2027, final roll)
$1,438,000The 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
$86,280The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$22,786Assessed 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$1,438,000$86,2801
2026Final$1,635,000$98,1001
2025Final$1,643,000$98,5801

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-12

Sales & deed history 8

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
2004-08-03DEED$587,600Vega , Doris; Vega, AnthonyMartinez, Christine2004081100011001
2003-11-20DEED$560,000Hasan, MohamadVega, Doris M; Vega, Anthony2003120301502001
2003-01-23DEED$245,000Rivera, Angela; Rivera, ClaudioHasan, Mohamed2003021000167001
1988-12-20DEED$0 / not statedYeffet, ShlomoRivera, Claudio; Rivera, AngelaFT_3290001423329
1985-01-17DEED$0 / not statedCastano, MiltaYeffet, ShlomoFT_3370001066237
1984-01-20DEED$0 / not statedReyes, PaquitaCastano, MiltaFT_3380001004738
1977-08-01DEED$0 / not statedDurante Frank; Gisonna Carol; Durante VictorReyes PaquitaBK_7730093500604
1973-06-12DEED$0 / not statedDurante SaverioDurante VirginiaBK_7330063801765

Source: ACRIS Real Property Master — city dataset updated 2026-11-10; last loaded 2026-11-12; ACRIS Real Property Legals — city dataset updated 2026-11-10; last loaded 2026-11-12; ACRIS Real Property Parties — city dataset updated 2026-11-10; last loaded 2026-11-12

DOB job filings 0 open of 1

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 · 2023-12-04
B08027023-I1
DOB NOW
Alteration2022-10-26$5,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-10; last loaded 2026-11-11; DOB Job Application Filings (BIS) — city dataset updated 2026-11-09; last loaded 2026-11-10

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 2026-11-09; last loaded 2026-11-10; 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). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.

No records found in this dataset for this lot.

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

DOB safety violations (DOB NOW) 0 active of 0

Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.

No records found in this dataset for this lot.

Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-11; last loaded 2026-11-11

ECB violations (DOB) 1 active of 1

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 #
Active
Hearing: IN VIOLATION · Certification: NO COMPLIANCE RECORDED
2023-10-31CLASS - 2WORK WITHOUT PERMIT .RCA WAS PREVIOUSLY ISSUED ON 08/12/23 BY BADGE # 3414 NOT CORRECTED .OBSERVED AT REAR NEWLY /RECENTLY CREATED SHED WITH ROOF WINDOWS AND DOUBLE DOOR APPROX.10"W X 12"L X 11"H, ALSO OBSERVED$1,250 / $1,250 / $039098386N

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

OATH tickets (all agencies) 0 unpaid of 7

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 #
No balance due
PAID IN FULL
2024-09-11Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLEMARTINEZ CHRISTINE$50 / $50 / $0048530088L
No balance due
HEARING COMPLETED · IN VIOLATION
2023-10-31Dept. Of BuildingsWORK WITHOUT A PERMITMARTINEZ CHRISTINE$1,250 / $1,250 / $0039098386N
No balance due Default
PAID IN FULL · DEFAULTED
2017-10-02Sanitation OthersIMPROPER DISPOSAL BEDDING 1ST OFFENSEMARTINEZ$130 / $130 / $00197215536
No balance due
PAID IN FULL
2017-01-30RECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITSMARTINEZ$25 / $25 / —040429841P
No balance due Default
PAID IN FULL · DEFAULTED
2012-09-04Dos - Enforcement AgentsRECYC PLACED FOR COLLECTION W/NON-RECYC(1 TO 8 DWELLING UNITS)MARTINEZ$25 / $25 / —041425699L
No balance due
HEARING COMPLETED · DISMISSED
2012-02-23Sanitation DeptLOOSE RUBBISHMARTINEZ— / — / —041312771X
No balance due Default
PAID IN FULL · DEFAULTED
2010-11-08Sanitation RecyclingFAILURE TO PROPERLY PUT RECYCLABLES OUT FOR COLLECTIONMARTINEZ$25 / $25 / —040436076M

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-11; last loaded 2026-11-12

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 2026-11-10; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-10

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

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

311 requests (last 12 months) 2

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
2026-03-29DEPNoise – Noise, Barking Dog (NR5)Closed2026-04-01
2025-11-25DEPWater System – Dirty Water (WE)Closed2025-12-01

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-11; last loaded 2026-11-12

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

Closest on 23 St

All properties on 23 St, Brooklyn · Brooklyn 11215

Open-item counts as of November 10, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs