20 Dennett Place, Brooklyn, NY 11231
BBL 3004720027 (Borough 3, Block 472, Lot 27) · BIN 3008094 · Last updated:
Summary · as of October 31, 2026
20 Dennett Place (Brooklyn, NY 11231; tax lot BBL 3004720027) is an one-family home (building class A4: one-family city residence), built around 1899, on a 881 sq ft lot zoned R6B. City tax records list the owner as LERMAN, MICHAEL S; per ACRIS, a deed to this owner dated May 2, 2019 lists a price of $2,525,000. The Department of Finance's final market value for tax year 2027 is $2,472,000. As of October 31, 2026, NYC Open Data shows no open DOB jobs, active DOB/ECB violations, open HPD violations or unpaid OATH tickets for this lot. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- LERMAN, MICHAEL S
- Building class
- A4 · One-family city residence
- Year built · units
- 1899 · 1 res.
- Lot area · zoning
- 881 sq ft · R6B
- Market value (DOF)
- $2,472,000 FY2027
- Last priced deed
- $2,525,000 · 2019-05-02
- BBL
- 3004720027
- BIN
- 3008094
- 0Open 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 Dennett Place, Brooklyn, NY 11231 (BBL 3004720027)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/20-dennett-place-3004720027. 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)
- LERMAN, MICHAEL SThe 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
- 2
- Units
- 1 residential / 1 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 881 sq ft (18.17 ft × 48.5 ft)
- Building floor area
- 1,632 sq ft
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.85 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 3004720027 (Borough 3, Block 472, Lot 27) · BIN 3008094BBL 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)
- $2,472,000The 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
- $148,320The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $31,811Assessed value minus any exemptions.
- Tax class
- Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $2,472,000 | $148,320 | 1 |
| 2026 | Final | $2,658,000 | $159,480 | 1 |
| 2025 | Final | $2,295,000 | $137,700 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-01
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.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2019-05-02 | DEED | $2,525,000 | Vinciguerra, Janette; Vinciguerra, Michael | Lerman, Leslie A; Lerman, Michael S | 2019050700434003 |
| 2015-11-13 | DEED | $0 / not stated | M & J One Realty Corp. | Vinciguerra, Janette; Vinciguerra, Michael | 2015120401256001 |
| 2014-08-09 | DEED | $10 | Vinciguerra, Michael; Vinciguerra, Janette | M & J One Realty Corp. | 2014082000670001 |
| 2012-09-24 | DEED | $880,000 | Boggio, Joy Orefice; Boggio, Albert Mario | Vinciguerra, Janette; Vinciguerra, Michael | 2012092801341001 |
| 1980-05-29 | DEED | $0 / not stated | Orefice, Sarah Benanti | Boggio Joy Orefice; Boggio, Albert Mario | BK_8030116201781 |
| 1966-12-19 | DEED | $0 / not stated | Benanti, Fred | Orefill ,Sarah B | BK_6630031900113 |
| 1966-12-19 | DEED | $0 / not stated | Benanti Joseph | Orefill Sarah B | BK_6630031900111 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-01; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-01; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-01
DOB job filings 0 open of 2
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 |
|---|---|---|---|---|
| Not open SIGNED OFF · 2015-01-06 | 340152471 BIS | A3 – Minor alteration (one type of work) | 2014-06-10 | — |
| Not open SIGNED OFF · 2015-12-16 | 320766266 BIS | A1 – Major alteration (changes use, egress or occupancy) | 2013-05-22 | $364,200 |
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 5
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 |
|---|---|---|---|---|
| 2015-07-08 | 2016-07-07 | 320766266 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2014-06-30 | 2015-06-30 | 320766266 BIS | Alteration | ISSUED (renewal) |
| 2014-06-10 | 2015-06-10 | 340152471 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 2014-03-21 | 2015-03-21 | 320766266 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2014-03-19 | 2014-07-01 | 320766266 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 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.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2014-05-22 | CLASS - 1 | FAILURE TO SAFEGUARD ALL PERSONS(PUBLIC)& PROPERTY AFFECTED BY CONST OPERATIONS.NOTED:ALL EXP#1(ON 20 DENNETT PL),PERMIT EXISTS #320766266 EXPIRATION 07/01/14.DEBRIS @ FRONT OF BLDG LOOSE,BRICK,WOOD,CONCRETE,WH | $2,400 / $2,400 / $0 | 35090418R |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02
OATH tickets (all agencies) 0 unpaid of 4
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 | 2015-02-12 | Dept Of Tran | FAILURE TO APPLY FOR PERMIT WITHIN TWO BUS. DAYS OF EMERGENCY WORK | KEYSPAN ENERGY DELIVERY NYC | $250 / $250 / — | 0187592140 |
| No balance due Default PAID IN FULL · DEFAULT | 2015-01-08 | Dept Of Tran | FAILURE TO APPLY FOR PERMIT WITHIN TWO BUS. DAYS OF EMERGENCY WORK | KEYSPAN ENERGY DELIVERY NYC | $280 / $280 / — | 0187560652 |
| No balance due PAID IN FULL · IN VIOLATION | 2014-05-22 | Dept. Of Buildings | FAILURE TO SAFEGUARD ALL PERSONS AND PROP AFFECTED BY CONST OPERATIONS | UNITED ELITE GROUP INC. | $2,400 / $2,400 / — | 035090418R |
| No balance due PAID IN FULL · IN VIOLATION | 2011-01-13 | SNOW,ICE DIRT ON SIDEWALKS | BOGGIO | $100 / $100 / — | 040444324M |
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-01; data as of 2026-11-01
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 2026-10-31; data as of 2026-11-01
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) 0
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.
No records found in this dataset for this lot.
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-01; data as of 2026-11-01
Nearby properties
On Dennett Pl
- 19 Dennett Place
- 18 Dennett Place
- 17 Dennett Place
- 16 Dennett Place (six open items)
- 15 Dennett Place
- 14 Dennett Place (six open items)
- 13 Dennett Place
- 12 Dennett Place
- 11 Dennett Place
- 10 Dennett Place
Same tax block (472)
- 469 Court Street (11 open items)
- 467 Court Street (11 open items)
- 2 Dennett Place (one open item)
- 4 Dennett Place (29 open items)
- 8 Dennett Place (one open item)
- 10 Dennett Place
- 12 Dennett Place
- 14 Dennett Place (six open items)
- 16 Dennett Place (six open items)
- 18 Dennett Place
All properties on Dennett Pl, Brooklyn · All of Brooklyn 11231 (Carroll Gardens-Cobble Hill-Gowanus-Red Hook)
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