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311 Adelphi Street, Brooklyn, NY 11205

BBL 3021040005 (Borough 3, Block 2104, Lot 5) · BIN 3059061 · Last updated: · Bedford-Stuyvesant (West) · ZIP 11205

Summary · as of November 8, 2026

311 Adelphi Street (Brooklyn, NY 11205; tax lot BBL 3021040005) is a 4-unit walk-up apartment building (building class C3: walk-up apartments, four families), built around 1867, on a 2,200 sq ft lot zoned R6B. City tax records list the owner as 311 ADELPHI STREET LLC; per ACRIS, a deed to this owner dated September 14, 2021 lists a price of $4,100,000. The Department of Finance's final market value for tax year 2027 is $2,558,000. As of November 8, 2026, NYC Open Data shows 10 open HPD violations. 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
311 ADELPHI STREET LLC
Building class
C3 · Walk-up apartments, four families
Year built · units
1867 · 4 res.
Lot area · zoning
2,200 sq ft · R6B
Market value (DOF)
$2,558,000 FY2027
Last priced deed
$4,100,000 · 2021-09-14
BBL
3021040005
BIN
3059061

How to cite: NYC Property Facts, “311 Adelphi Street, Brooklyn, NY 11205 (BBL 3021040005)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/311-adelphi-street-3021040005. 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)
311 ADELPHI STREET LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C3 – Walk-up apartments, four familiesThe 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
1867Often an estimate for older buildings. Major alteration recorded: 2023.
Floors
3
Units
4 residential / 4 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,200 sq ft (22 ft × 100 ft)
Building floor area
3,960 sq ft
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
1.80 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).
Historic district
Fort Greene Historic DistrictExterior changes in a historic district need Landmarks Preservation Commission approval.
Identifiers
BBL 3021040005 (Borough 3, Block 2104, Lot 5) · BIN 3059061BBL 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)
$2,558,000The 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
$1,151,100The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$142,696Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,558,000$1,151,1002A
2026Final$2,260,000$1,017,0002A
2025Final$2,120,000$954,0002A

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

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
2021-09-14DEED$4,100,000Simon, Alexandra Lauren311 Adelphi Street Llc2021092000999002
2013-06-18DEED$0 / not statedSimon, Alexandra Lauren; Soller, AlexandraSimon, Alexandra Lauren2013061900650001
2011-07-25DEED$356,500Soller, DerekSoller, Alexandra2011072700854001
2009-11-20DEED$1,925,000Melvin, MarkSoller, Derek; Soller, Alexandra2009112300473001
2006-06-14DEED$980,000Burlage, Richard PMelvin, Mark2006062602202001
1973-07-27DEED$0 / not statedConcepcion Juanita; Gonzalez Benito; Gonzalez Maria; Concepcion Edwin; Gonzalez Enrique; Gonzalez PaulaBurlage Richard PBK_7330064900385

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 14

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 · 2026-01-07
B00754994-P5
DOB NOW
Alteration CO2025-10-28$700,000
Not open
Approved · 2025-10-06
B00754994-P4
DOB NOW
Alteration CO2025-09-05$16,200
Not open
LOC Issued · 2024-07-11
B00941268-I1
DOB NOW
Alteration2023-10-02$1
Not open
LOC Issued · 2024-07-11
B00935425-I1
DOB NOW
Alteration2023-09-29$1
Not open
Approved · 2023-07-28
B00754994-P3
DOB NOW
Alteration CO2023-07-25$10,000
Not open
Approved · 2023-08-03
B00754994-P2
DOB NOW
Alteration CO2023-07-25$10,000
Not open
Approved · 2023-04-28
B00754994-P1
DOB NOW
Alteration CO2023-04-25$50,000
Not open
LOC Issued · 2025-07-25
B00754994-S4
DOB NOW
Alteration CO2022-08-11$10,000
Not open
LOC Issued · 2025-07-25
B00754994-S5
DOB NOW
Alteration CO2022-08-11$10,000
Not open
LOC Issued · 2026-01-19
B00754994-S3
DOB NOW
Alteration CO2022-08-09$50,000
Not open
LOC Issued · 2026-01-20
B00754994-S2
DOB NOW
Alteration CO2022-07-22$83,000
Not open
LOC Issued · 2026-01-20
B00754994-S1
DOB NOW
Alteration CO2022-07-22$16,200
Not open
CO Issued · 2026-03-13
B00754994-I1
DOB NOW
Alteration CO2022-07-12$700,000
Not open
SIGNED OFF · 2012-11-01
320439361
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2012-02-24$40,000

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 19

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
2025-03-212026-03-21B00754994-S2
DOB NOW
Plumbing
PLUMBING WORK IN CONJUNCTION WITH THE RENOVATION OF THE TOWNHOUSE. UNDERGROUND PLUMBING IN THE CELLAR LEVEL
Signed-off
2025-02-252026-02-25B00754994-S1
DOB NOW
Mechanical Systems
MECHANICAL JOB IN CONJUNCTION WITH RENOVATION OF THE TOWNHOUSE.
Signed-off
2025-01-232026-01-23B00754994-I1
DOB NOW
General Construction
RENOVATION OF THE TOWNHOUSE AND CHANGE OF OCCUPANCY TO THE SINGLE FAMILY,
Permit Issued
2024-08-212025-08-21B00754994-S5
DOB NOW
Support of Excavation
REPLACEMENT OF REAR YARD CONCRETE STAIR DOWN TO BASEMENT AND SUBSEQUENT SUPPORT OF EXCAVATION
Signed-off
2024-08-212025-08-21B00754994-S3
DOB NOW
Structural
STRUCTURAL WORK ASSOCIATED WITH THE RENOVATION OF A TOWNHOUSE
Signed-off
2024-08-212025-08-21B00754994-S4
DOB NOW
Foundation
Lowering of basement slab on grade
Signed-off
2024-03-252025-03-25B00754994-S2
DOB NOW
Plumbing
PLUMBING WORK IN CONJUNCTION WITH THE RENOVATION OF THE TOWNHOUSE. UNDERGROUND PLUMBING IN THE CELLAR LEVEL
Signed-off
2024-02-282025-02-28B00754994-S1
DOB NOW
Mechanical Systems
MECHANICAL JOB IN CONJUNCTION WITH RENOVATION OF THE TOWNHOUSE.
Signed-off
2024-02-062024-04-19B00754994-S2
DOB NOW
Plumbing
PLUMBING WORK IN CONJUNCTION WITH THE RENOVATION OF THE TOWNHOUSE. UNDERGROUND PLUMBING IN THE CELLAR LEVEL
Signed-off
2024-01-222025-01-22B00754994-I1
DOB NOW
General Construction
RENOVATION OF THE TOWNHOUSE AND CHANGE OF OCCUPANCY TO THE SINGLE FAMILY,
Permit Issued
2023-10-022024-10-02B00941268-I1
DOB NOW
Supported Scaffold
Installation of temporary supported scaffold per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupanc
Signed-off
2023-09-292024-09-29B00935425-I1
DOB NOW
Sidewalk Shed
Installation of temporary heavy duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or oc
Signed-off

Showing 12 of 19 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 0 active of 3

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
V*-DOB VIOLATION - DISMISSED
1986-10-01LANDMK-LANDMARK NONEV*100186LANDMK87-0232
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1986-06-16LANDMRK-LANDMARK NONEV*061686LANDMRKVIOL
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1986-06-16LANDMK-LANDMARK NONEV*061686LANDMK86-0628

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

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 2026-11-07; last loaded 2026-11-08

OATH tickets (all agencies) 0 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 #
No balance due Default
PAID IN FULL · DEFAULT
2012-06-19Dept Of TranUSE OPENING OF STREET W O PERMITKEYSPAN ENERGY DELIVERY N Y C$5,000 / $1,500 / —0180759710
No balance due
PAID IN FULL
2011-06-17Dos - Enforcement AgentsLOOSE RUBBISHSOLLER$100 / $100 / —041603790L

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.

HPD building ID
182700
Last registered
2020-09-02
Registration valid until
2021-09-01 ExpiredRegistrations must be renewed every year.
RoleNameCompanyBusiness city
IndividualownerAlexandra SimonDenver, Co
SitemanagerAlexandra Simon

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 10 open of 13

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 · 2026-05-01
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.
Open
Info Nov Sent Out · 2025-11-18
I2025-11-18§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
Open
Nov Sent Out · 2025-06-06
A2025-06-06(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.
Open
Info Nov Sent Out · 2024-11-25
I2024-11-25§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
Open
Nov Sent Out · 2024-04-08
A2024-04-08(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.
Open
Info Nov Sent Out · 2023-11-17
I2023-11-17§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
Open
Nov Sent Out · 2023-03-21
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.
Open
Info Nov Sent Out · 2022-11-04
I2022-11-04§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
Open
Info Nov Sent Out · 2022-02-23
I2022-02-23§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
Open
Nov Sent Out · 2022-02-23
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 · 2021-07-12
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 · 2020-09-03
I2019-10-29§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 · 2020-09-03
I2018-10-15§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

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
2026-05-14DEPWater System – No Water (WNW)Closed2026-05-14

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 Bedford-Stuyvesant (West): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on Adelphi St

All properties on Adelphi St, Brooklyn · Brooklyn 11205

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