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

NYC Property Factsfree public-records reference

406 Adelphi Street, Brooklyn, NY 11238

BBL 3019570042 (Borough 3, Block 1957, Lot 42) · BIN 3055857 · Last updated:

Summary · as of November 5, 2026

406 Adelphi Street (Brooklyn, NY 11238; tax lot BBL 3019570042) is a 3-unit walk-up apartment building (building class C0: three-family walk-up), built around 1901, on a 1,850 sq ft lot zoned R6B. City tax records list the owner as KILLEN 2020 FAMILY TRUST. The Department of Finance's final market value for tax year 2027 is $3,102,000. As of November 5, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off. 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
KILLEN 2020 FAMILY TRUST
Building class
C0 · Three-family walk-up
Year built · units
1901 · 3 res.
Lot area · zoning
1,850 sq ft · R6B
Market value (DOF)
$3,102,000 FY2027
Last priced deed
—
BBL
3019570042
BIN
3055857

How to cite: NYC Property Facts, “406 Adelphi Street, Brooklyn, NY 11238 (BBL 3019570042)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/406-adelphi-street-3019570042. 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)
KILLEN 2020 FAMILY TRUSTThe 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
1901Often 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
1,850 sq ft (18.5 ft × 100 ft)
Building floor area
2,190 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.18 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 3019570042 (Borough 3, Block 1957, Lot 42) · BIN 3055857BBL 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 2026-11-05; 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)
$3,102,000The 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
$186,120The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$36,372Assessed 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$3,102,000$186,1201
2026Final$2,596,000$155,7601
2025Final$2,482,000$148,9201

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-05

Sales & deed history 7

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
2020-09-07DEED$0 / not statedSacco, Marie Lynn; Killen, AndreasKillen 2020 Family Trust; Sacco, As Trustee, Marie Lynn; Killen, As Trustee, Andreas2020100700960001
2000-09-28DEED$0 / not statedFeldman, MichaelKillen, Andreas; Sacco, Marie LynnFT_3160007413016
1999-11-23DEED$0 / not statedPark Sterling RealtycorpFeldman, MichaelFT_3010007106501
1993-07-28DEED$0 / not statedSmith, Bert/Def; Fraser, Duncan/RefereePark Sterling RealtycpFT_3140001795114
1989-10-19DEED$0 / not statedSmith, DonaldSmith, BertFT_3600001502060
1978-09-25DEED$0 / not statedJohnson, Vivian SmithSmith, BertFT_3590001502059
1971-03-18DEED$0 / not statedSullivan James O DecdSmith Viola ABK_7130047100733

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-05

DOB job filings 2 open of 6

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 · 2024-10-29
B01126038-I1
DOB NOW
Alteration2024-10-23$45,000
Permitted, not signed off
PERMIT ISSUED - PARTIAL JOB · 2001-03-05
301085171
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2000-10-05$2,000
Not open
Approved · 2024-08-16
B01095129-I1
DOB NOW
Alteration2024-08-14$28,125
Not open
SIGNED OFF · 2020-09-15
340726245
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2020-04-27$27,000
Not open
SIGNED OFF · 2008-11-20
310157898
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2008-06-12$22,000
Not open
SIGNED OFF · 1995-11-29
300386650
BIS
A1 – Major alteration (changes use, egress or occupancy)1994-09-01$20,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-05; DOB Job Application Filings (BIS) — city dataset updated 2026-11-04; data as of 2026-11-05

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
2024-10-292025-03-26B01126038-I1
DOB NOW
General Construction
REPLACE EXISTING BRICKS AT FRONT FACADE (EXP 1) AND REPAIR 18 WINDOWS SILLS & LINTELS. NO CHANGE IN USE, OCCUPANCY OR EGRESS.
Permit Issued
2020-06-192021-06-12340726245
BIS
Equipment work / Other / general constructionISSUED (initial)
2008-06-192009-06-19310157898
BIS
Plumbing / PlumbingISSUED (initial)
2008-06-172009-04-01310157898
BIS
Equipment work / Other / general constructionISSUED (initial)
2001-03-052002-03-05301085171
BIS
Equipment work / Other / general constructionISSUED (initial)
1995-01-181997-01-18300386650
BIS
Plumbing / PlumbingISSUED (initial)
1995-01-101995-04-14300386650
BIS
AlterationISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-05; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

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
2008-05-20C-CONSTRUCTION OTHER OPTIONALVW*052008C0204AA

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-05

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 2026-10-31; data as of 2026-11-05

OATH tickets (all agencies) 0 unpaid of 6

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 Default
PAID IN FULL · DEFAULTED
2025-08-27Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 6PMKILLEN 2020 FAMILY TRUST$80 / $80 / $0049354259N
No balance due
PAID IN FULL
2025-01-24Sanitation OthersSTORAGE OF RECEPTACLES PLACED OUT PRIOR TO 6PMKILLEN 2020 FAMILY TRUST$50 / $50 / $0048792172Y
No balance due
PAID IN FULL
2024-11-16Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETKILLEN 2020 FAMILY TRUST$50 / $50 / $0048679066X
No balance due
PAID IN FULL
2018-01-18Dos - Enforcement AgentsFAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITSSACCO MARIE L$25 / $25 / $0041875195X
No balance due
PAID IN FULL
2009-04-30Sanitation OthersIMPROPER MISUSED CURBSIDE RECYCLING CONTAINERSACCO$25 / $25 / —0172907177
No balance due Default
PAID IN FULL · DEFAULT
2002-01-12$25 / $25 / —0119027013

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-05

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
182760
Last registered
2026-08-14
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
IndividualownerMarie SaccoBrooklyn, Ny
SitemanagerMarie Sacco
AgentMarie SaccoBrooklyn, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-05; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-05

HPD housing-code violations 0 open of 5

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 · 2026-05-11
A2026-05-01(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 · 2023-04-04
A2023-03-21(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 · 2023-04-04
A2022-02-23(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 · 2021-04-20
A2021-04-07(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 · 2015-03-09
I2015-02-17SECTION27-2107 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 2026-11-05; data as of 2026-11-05

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 2026-11-05; data as of 2026-11-05

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
2026-01-16DSNYMissed Collection – Recycling - PaperClosed2026-01-17

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-05; data as of 2026-11-05

Nearby properties

On Adelphi St

Same tax block (1957)

All properties on Adelphi St, Brooklyn · All of Brooklyn 11238

Open-item counts as of November 5, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs