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418 10th Street, Brooklyn, NY 11215

BBL 3010170028 (Borough 3, Block 1017, Lot 28) · BIN 3022614 · Last updated: · Park Slope · ZIP 11215

Summary · as of November 8, 2026

418 10th Street (Brooklyn, NY 11215; tax lot BBL 3010170028) is a one-family home (building class A4: one-family city residence), built around 1899, on a 1,808 sq ft lot zoned R6B. City tax records list the owner as DUGGAN, SEAN T; per ACRIS, a deed to this owner dated October 15, 2013 lists a price of $2,575,000. The Department of Finance's final market value for tax year 2027 is $2,595,000. As of November 8, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. There was one 311 request 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
DUGGAN, SEAN T
Building class
A4 · One-family city residence
Year built · units
1899 · 1 res.
Lot area · zoning
1,808 sq ft · R6B
Market value (DOF)
$2,595,000 FY2027
Last priced deed
$2,575,000 · 2013-10-15
BBL
3010170028
BIN
3022614

How to cite: NYC Property Facts, “418 10th Street, Brooklyn, NY 11215 (BBL 3010170028)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/418-10th-street-3010170028. 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)
DUGGAN, SEAN TThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
A4 – One-family city residenceThe 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
1899Often an estimate for older buildings.
Floors
3
Units
1 residential / 1 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,808 sq ft (18.08 ft × 100 ft)
Building floor area
1,938 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.07 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 3010170028 (Borough 3, Block 1017, Lot 28) · BIN 3022614BBL 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)
$2,595,000The 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
$155,700The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$36,629Assessed 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$2,595,000$155,7001
2026Final$2,934,000$176,0401
2025Final$2,470,000$148,2001

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

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
2016-02-22DEED$0 / not statedDuggan, Sean; Kohatsu, AnnKohatsu, Akari; Duggan, Sean T2016030500156001
2013-10-15DEED$2,575,000Lynch, Briehan; Evis, AlexanderDuggan, Sean; Kohatsu, Ann2013102301109003
2007-09-20DEED$1,980,000Abt, Jennifer; Glassberg, DavidLynch, Briehan; Evis, Alexander2007100100784003
2002-02-13DEED$0 / not statedMarino, Josephine; Dunayer, SidneyAbt, Jennifer; Glassberg, DavidFT_3470008073347
1985-07-02DEED$0 / not statedMiller, Donnally J; Murray, SusanDunayer, Sidney; Marino, JosephineFT_3440001101544
1984-01-27DEED$0 / not statedMorales, Luisa; Morales, JuanMiller, Donnally J; Murray, SusanFT_3380001001938
1983-06-07DEED$0 / not statedSuarez, MarleneMorales, Luisa; Morales, JuanFT_3470000963047
1982-08-11DEED$0 / not statedBrigandi, Anthony MSuarez, MarleneFT_3490000922649

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 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 2026-11-07; last loaded 2026-11-08; DOB Job Application Filings (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-08

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 2026-11-07; last loaded 2026-11-08; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 1

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
Resolved/dismissed
VW*-VIOLATION - WORK W/O PERMIT DISMISSED
1997-10-09C-CONSTRUCTION OTHER OPTIONALWORK WITHOUT A PERMIT WORK NOTED: REMOVAL AND REPLACEMENT OF BRICKWORK AND METAL FLUE OF THE CHIMNEY AT REAR WEST REMEDY: OBTAIN PERMITS AND APPROVALSVW*100997C06H505

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

ECB violations (DOB) 0 active of 2

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: WRITTEN OFF · Certification: CERTIFICATE ACCEPTED
Written off refers to the penalty, not the violation.
1991-08-29Non-HazardousWORK WITHOUT A PERMIT WORK NOTED:REMOVAL AND REPLACEMENT OF BRICKWORK AND METAL FLUE OF THE CHIMNEY AT REAR WEST. REMEDY:STOP WORK AND OBTAIN A PERMIT.$285 / $0 / $034060369X
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
1997-12-30Non-HazardousWORK WITHOUT A PERMIT. WORK NOTED:REMOVED AND REPLACEMENT OF BRICKWORK AND METAL FLUE OF THE CHIMNEY AT REAR WEST. REMEDY: OBTAIN PERMITS AND APPROVALS.$0 / $0 / $034161674P

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

OATH tickets (all agencies) 0 unpaid of 5

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
2016-11-12Sanitation DeptLOOSE RUBBISHDUGGAN$100 / $100 / —041873164Y
No balance due
PAID IN FULL
2007-11-20Dos - Enforcement AgentsIMPROPER MISUSED CURBSIDE RECYCLING CONTAINEREVIS$25 / $25 / —042020668J
No balance due Default
PAID IN FULL · DEFAULT
2005-02-15$25 / $25 / —0145519285
No balance due
PAID IN FULL
2002-02-19$50 / $50 / —0125940239
No balance due
WRITTEN OFF · WRITTEN OFF
1991-08-29Dept. Of BuildingsWORK WITHOUT A PERMIT.OWNER OF 418 10TH STREET$285 / $0 / $0034060369X

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

311 requests (last 12 months) 1

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
2026-05-25DEPNoise – Noise: Construction Equipment (NC1)Closed2026-05-26

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

Closest on 10 St

Same tax block (1017), closest first

All properties on 10 St, Brooklyn · Brooklyn 11215

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