236 Dean Street, Brooklyn, NY 11217
BBL 3001960029 (Borough 3, Block 196, Lot 29) · BIN 3001384 · Last updated: · Park Slope · ZIP 11217
Also recorded in city data as: 23603 Dean St
Summary · as of November 8, 2026
236 Dean Street (Brooklyn, NY 11217; tax lot BBL 3001960029) is a two-family home (building class B2: two-family home, frame (wood)), built around 1855, on a 2,167 sq ft lot zoned R6B. City tax records list the owner as KOCH, LESLIE; per ACRIS, a deed to this owner dated December 11, 2006 lists a price of $1,725,000. The Department of Finance's final market value for tax year 2027 is $3,729,000. As of November 8, 2026, NYC Open Data shows one active DOB violation and 73 open HPD violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- KOCH, LESLIE
- Building class
- B2 · Two-family home, frame
- Year built · units
- 1855 · 2 res.
- Lot area · zoning
- 2,167 sq ft · R6B
- Market value (DOF)
- $3,729,000 FY2027
- Last priced deed
- $1,725,000 · 2006-12-11
- BBL
- 3001960029
- BIN
- 3001384
- 0Open DOB jobs (permit issued, no sign-off)
- 1Active DOB violations
- 0Active ECB violations
- 73Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “236 Dean Street, Brooklyn, NY 11217 (BBL 3001960029)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/236-dean-street-3001960029. 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)
- KOCH, LESLIEThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- B2 – Two-family home, frame (wood)The 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
- 1855Often an estimate for older buildings. Major alteration recorded: 2009.
- Floors
- 3
- Units
- 2 residential / 2 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,167 sq ft (21.67 ft × 100 ft)
- Building floor area
- 3,153 sq ft
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.46 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
- Boerum Hill Historic DistrictExterior changes in a historic district need Landmarks Preservation Commission approval.
- Identifiers
- BBL 3001960029 (Borough 3, Block 196, Lot 29) · BIN 3001384BBL 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; 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)
- $3,729,000The 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
- $223,740The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $100,051Assessed 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 | $3,729,000 | $223,740 | 1 |
| 2026 | Final | $3,437,000 | $206,220 | 1 |
| 2025 | Final | $2,961,000 | $177,660 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08
Sales & deed history 9
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 |
|---|---|---|---|---|---|
| 2006-12-11 | DEED | $1,725,000 | Dell, Albert Theodore | Gray, Douglas; Koch, Leslie | 2006121101161001 |
| 1998-02-25 | DEED | $0 / not stated | Value Associates Corp | Dell, Albert Theodore | FT_3390006026139 |
| 1997-09-17 | DEED | $0 / not stated | Ge Capital Mortgageservices Inc | Value Associates Corp | FT_3080005837708 |
| 1997-08-25 | DEED | $0 / not stated | Nationsbank | Ge Capital Mortgageservices Inc | FT_3230005837723 |
| 1993-12-16 | DEED | $0 / not stated | Ramseur, Craig/Ref; Guerzon, Lorraine/Defs | Nationsbank | FT_3500004390550 |
| 1988-09-15 | DEED | $0 / not stated | Red Lion Real Estatecp | Guerzon, Lorraine | FT_3900001445190 |
| 1983-08-11 | DEED | $0 / not stated | Guerzon, Lorraine; Guerzon, Paul L Jr. | Red Lion Real Estatecp | FT_3980000974698 |
| 1978-01-04 | DEED | $0 / not stated | Hurkin Eugene | Hurkin Rose | BK_7830096800407 |
| 1978-01-04 | DEED | $0 / not stated | Hurkin Rose | Guerzon Lorraine; Guerzon Paul L | BK_7830096800409 |
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 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 LOC Issued · 2021-12-15 | B00538702-I1 DOB NOW | Alteration | 2021-06-11 | $1 |
| Not open SIGNED OFF · 2010-12-23 | 300828353 BIS | A1 – Major alteration (changes use, egress or occupancy) | 1999-01-19 | $80,000 |
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 6
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 |
|---|---|---|---|---|
| 2021-09-15 | 2022-07-19 | B00538702-I1 DOB NOW | Supported Scaffold Pipe scaffolding installed per plans, no change in use , egress or occupancy | Signed-off |
| 2021-06-11 | 2022-03-31 | B00538702-I1 DOB NOW | Supported Scaffold Pipe scaffolding installed per plans, no change in use , egress or occupancy | Signed-off |
| 2010-10-26 | 2011-10-26 | 300828353 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2009-06-09 | 2010-06-09 | 300828353 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2009-04-23 | 2009-12-31 | 300828353 BIS | Alteration | ISSUED (renewal) |
| 2001-02-28 | 2001-12-22 | 300828353 BIS | Alteration | ISSUED (initial) |
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 1 active of 7
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).
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Active V-DOB VIOLATION - ACTIVE | 1993-08-16 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V081693LL629135652 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1998-05-04 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*050498LL629126433 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1997-09-16 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*091697LL6291210739 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1997-02-10 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*021097LL629116747 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1995-08-29 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*082995LL629136131 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1994-06-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*060194LL629123993 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1993-06-01 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*060193LL629123992 |
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 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 | 2025-08-08 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | KOCH LESLIE | $50 / $50 / $0 | 049143962P |
| No balance due PAID IN FULL | 2025-01-22 | Sanitation Others | SNOW,ICE DIRT ON SIDEWALKS | KOCH LESLIE | $100 / $100 / $0 | 048860850X |
| No balance due PAID IN FULL | 2021-05-27 | Sanitation Others | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | KOCH LESLIE | $25 / $25 / $0 | 047038549Y |
| No balance due Default PAID IN FULL · DEFAULTED | 2011-06-21 | Sanitation Others | FAILURE TO BUNDLE NEWSPAPES MAGAZINES CARDBOARD 1 TO 8 DWELLING UNITS | KOCH LESLIE C O ALBERT DELL T | $25 / $25 / — | 0174227561 |
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 73 open of 74
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.
| Status | Class | Issued | Apt | Condition |
|---|---|---|---|---|
| Open Nov Sent Out · 2013-11-20 | B | 2013-11-20 | § 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING A MINIMUM OF 100 WATTS INCANDESCENT LIGHT REQUIRED. LIGHT FIXTURE PRESENT | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE BROKEN CONCRETE PAVEMENT AT ENTRANCE TO BASEMENT APT FRONT AREAWAY. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-12.01 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT WALLS AND CEILING BATHROOM BASEMENT PUBLIC HALL. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILES IN BATHROOM 3 STY PUB HALL. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-10.01 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALLS & CLG OF BATHROOM BASEMENT PUB HALL. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-10.01 ADM CODE REFIT ENTRANCE DOOR STREET TO VESTIBULE TO 1 STY PUBLIC HALL. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE PAINTED SPRINKLER HEADS 3 STY NORTHWEST B ROOM. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE REPLACE WITH NEW THE MISSING BALUSTERS 1 TO 2 & 2 TO 3 STY PUBLIC HALLS. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE TILE WALL COMMUNITY BATHROOMS BASEMENT & 2 STY. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE PROPERLY SECURE THE LOOSE HANDRAIL STAIRS 1 TO 2 STY PUBLIC HALL. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-16.01 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS SINK 3 STY SOUTHWEST APT B ROOM KITCHENETTE. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-20.01 ADM CODE PROVIDE A PEEP HOLE IN ENTRANCE DOOR OF THE DWELLING UNIT SO LOCATED SO AS TO PERMIT A PERSON INSIDE THE DWELLING TO VIEW ANY PERSON OUTSIDE ENTRANCE DOOR B ROOM BASEMENT. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-21.07 ADM CODE MAINTAIN ON THE PREMISES A COPY OF THE SPRINKLER TES T FOR THE CURRENT YEAR. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-12.01 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT CEILING & WALLS 3 STY SOUTHWEST B ROOM. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE BALUSTERS & NEWEL POST CAP BALSTRADE FRONT ENTRANCE TO BLDG. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-10.01 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE 50 WATT LIGHT OVER DOOR TO BASEMENT PUB HALL. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-20.01 ADM CODE PROVIDE A PEEP HOLE IN ENTRANCE DOOR OF THE DWELLING UNIT SO LOCATED SO AS TO PERMIT A PERSON INSIDE THE DWELLING TO VIEW ANY PERSON OUTSIDE ENTRANCE DOOR B ROOM 3 STY. | |
| Open Nov Sent Out · 2008-05-21 | A | 2008-05-21 | D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILE WALLSBATHROOM 1 STY HALL. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-21.07 ADM CODE SEAL IN OPEN POSITION THE O.S.Y. VALVE OF THE SPRINKLER SYSTEM IN ACCORDANCE WITH THE RULES AND REGULATIONS OF THIS DEPARTMENT CELLAR FRONT. | |
| Open Nov Sent Out · 2008-05-21 | B | 2008-05-21 | D26-10.01 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE PAINTED SPRINKLER HEADS 3 STY SOUTHWEST B ROOM. |
Showing 20 of 74 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.
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) 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 2026-11-07; 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 Dean St
- 234 Dean Street (21 ft) (one open item)
- 238 Dean Street (22 ft)
- 240 Dean Street (42 ft)
- 232 Dean Street (42 ft)
- 242 Dean Street (58 ft) (one open item)
- 230 Dean Street (65 ft) (one open item)
Same tax block (196), closest first
- 235 Bergen Street (108 ft)
- 237 Bergen Street (115 ft)
- 132 Nevins Street (125 ft) (one open item)
- 239 Bergen Street (126 ft) (10 open items)
- 241 Bergen Street (138 ft)
- 243 Bergen Street (152 ft)
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