20 Adelphi Street, Brooklyn, NY 11205
BBL 3020310039 (Borough 3, Block 2031, Lot 39) · BIN 3057993 · Last updated:
Summary · as of October 31, 2026
20 Adelphi Street (Brooklyn, NY 11205; tax lot BBL 3020310039) is a 1-unit garage or parking property (building class G9: garage, gas station or parking (subtype G9)), built around 1957, on a 1,668 sq ft lot zoned M1-2. City tax records list the owner as MILLENNIUM MANAGEMENT. The Department of Finance's final market value for tax year 2027 is $469,000. As of October 31, 2026, NYC Open Data shows one DOB job 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
- MILLENNIUM MANAGEMENT
- Building class
- G9 · Garage, gas station or parking
- Year built · units
- 1957 · 1 res.
- Lot area · zoning
- 1,668 sq ft · M1-2
- Market value (DOF)
- $469,000 FY2027
- Last priced deed
- —
- BBL
- 3020310039
- BIN
- 3057993
- 1Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “20 Adelphi Street, Brooklyn, NY 11205 (BBL 3020310039)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/20-adelphi-street-3020310039. 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)
- MILLENNIUM MANAGEMENTThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- G9 – Garage, gas station or parking (subtype G9)The Department of Finance’s category for what kind of building this is.
- Land use
- Transportation & utilityCity Planning’s broad category of how the lot is used.
- Year built
- 1957Often an estimate for older buildings.
- Floors
- 2
- Units
- 1 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,668 sq ft (39.5 ft × 42.25 ft)
- Building floor area
- 3,327 sq ft (incl. 1,689 sq ft commercial)
- Zoning
- M1-2The zoning district sets what can be built and used here. Manufacturing district.
- Built vs. allowed density (FAR)
- 1.99 built / 0.00 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 3020310039 (Borough 3, Block 2031, Lot 39) · BIN 3057993BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-02; 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)
- $469,000The 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
- $211,050The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $178,560Assessed value minus any exemptions.
- Tax class
- Tax class 4 – commercial / industrial
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $469,000 | $211,050 | 4 |
| 2026 | Final | $424,000 | $190,800 | 4 |
| 2025 | Final | $422,000 | $189,900 | 4 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02
Sales & deed history 5
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2001-02-20 | DEED | $0 / not stated | Jean, Fritz Gerald | Millennium Management Ventures Inc | FT_3160007559016 |
| 2000-09-11 | DEED | $0 / not stated | Concepion, Ricarda | Jean, Fritz Gerald | FT_3840007344984 |
| 1979-06-14 | DEED | $0 / not stated one deed covering 2251 lots; price is for all of them | Commissioner Of Finance Of The City Of New York; Commissioner Of Financeof The City Of New York; Dept Of Finance Of The City Of Ny; Finance Administration; Commissioner Of Finance Of The City Ofnew York; Commissoner Of Finance Of The City Of New York; Comm Of Finance Of The City Of New York; Finance Admiministration; Comm Of Finance Of The City Of Ny; Finance Admin; Commissioner Of Finance; Commissoiner Of Finance Of The City Of New York; Commissioner Finance Of The City Of Ny; Commissioner Of Finance Of The City New York; Commissioner Of Finance Of The City O Fnew York; Commissioner Of Finance Of The City Of Newyork | City Of N Y; The City Of New York; The City Ofnew York; The City Of Ny; City Of Ny; The City Of New York; City Ny | BK_7930107900050 |
| 1976-11-26 | DEED | $0 / not stated | Greco Joseph | Concepcion Ricorda; Concepcion Charles | BK_7630088601107 |
| 1976-01-06 | DEED | $0 / not stated | Clark Frank J (Exec Of); Clark James P (Decd) | Greco Joseph | BK_7630082300845 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02
DOB job filings 1 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.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Permitted, not signed off PERMIT ISSUED - PARTIAL JOB · 2012-10-17 | 320073111 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2009-09-17 | $30,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 2
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.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2012-10-17 | 2013-10-05 | 320073111 BIS | Alteration | ISSUED (renewal) |
| 2012-02-29 | 2012-10-19 | 320073111 BIS | Alteration | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-02; 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 2026-11-02; data as of 2026-11-02
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 2026-11-02
OATH tickets (all agencies) 0 unpaid of 26
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL | 2025-02-25 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | MILLENNIUM MANAGEMENT | $50 / $50 / $0 | 047678573J |
| No balance due PAID IN FULL | 2025-01-24 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | MILLENNIUM MANAGEMENT | $50 / $50 / $0 | 048805445K |
| No balance due PAID IN FULL · SETTL IN-VIO | 2016-04-21 | Dos - Enforcement Agents | IMPROPER DISPOSAL BEDDING 1ST OFFENSE | MILLENNIUM MANAGEMENT | $300 / $100 / $0 | 041816988X |
| No balance due PAID IN FULL · SETTL IN-VIO | 2015-11-27 | Sanitation Others | DIRTY SIDEWALK DIRTY AREA | MILLENIUM MGMT | $300 / $100 / $0 | 0189060080 |
| No balance due Default PAID IN FULL · DEFAULT | 2014-02-24 | DIRTY AREA | MILLENNIUM MGMT | $300 / $355 / — | 0178216749 | |
| No balance due Default PAID IN FULL · DEFAULT | 2014-01-28 | DIRTY AREA | MILLENNIUM MANAGEMENT | $300 / $300 / — | 0178216730 | |
| No balance due Default PAID IN FULL · DEFAULT | 2014-01-15 | DIRTY AREA | MILLENNIUM MANAGEMENT | $300 / $359 / — | 0178216648 | |
| No balance due Default PAID IN FULL · DEFAULT | 2012-10-16 | Sanitation Others | DIRTY SIDEWALK DIRTY AREA | MILLENNIUM MGMT | $300 / $393 / — | 0175834570 |
| No balance due Default PAID IN FULL · DEFAULT | 2012-10-15 | DIRTY AREA | MILLENNIUM MGMT | $300 / $391 / — | 0175446013 | |
| No balance due Default PAID IN FULL · DEFAULT | 2012-06-15 | DIRTY AREA | MILLENNIUM MGMT | $300 / $402 / — | 0171578780 | |
| No balance due Default PAID IN FULL · DEFAULT | 2012-05-11 | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | MILLENNIUM MANAGEMENT | $25 / $34 / — | 0175233090 | |
| No balance due Default PAID IN FULL · DEFAULT | 2012-04-13 | RECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITS | MILLENNIUM MANAGEMENT | $25 / $34 / — | 042023490P |
Showing 12 of 26 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02
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 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02
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 2026-11-02; data as of 2026-11-02
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 2026-11-02; data as of 2026-11-02
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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-09-05 | NYPD | Blocked Driveway – No Access | Closed | 2026-09-05 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02
Nearby properties
On Adelphi St
- 21 Adelphi Street (22 open items)
- 18 Adelphi Street
- 23 Adelphi Street (five open items)
- 16 Adelphi Street
- 24 Adelphi Street (11 open items)
- 25 Adelphi Street (13 open items)
- 14 Adelphi Street
- 26 Adelphi Street (17 open items)
- 12 Adelphi Street
- 28 Adelphi Street
Same tax block (2031)
- 55 Carlton Avenue (28 open items)
- 53 Carlton Avenue
- 51 Carlton Avenue (two open items)
- Carlton Avenue (two open items)
- 45 Carlton Avenue (24 open items)
- 37 Carlton Avenue (three open items)
- 35 Carlton Avenue (four open items)
- 33 Carlton Avenue
- 29 Carlton Avenue (one open item)
- 27 Carlton Avenue (one open item)
All properties on Adelphi St, Brooklyn · All of Brooklyn 11205 (Bedford-Stuyvesant (West))
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs