171 Prospect Place, Prospect Heights, Brooklyn, NY 11238
BBL 3011517501 (Borough 3, Block 1151, Lot 7501) · BIN 3391534 · Last updated: · Prospect Heights · ZIP 11238
Summary · as of November 9, 2026
171 Prospect Place (Brooklyn, NY 11238; tax lot BBL 3011517501) is a 4-unit condominium (building class R1: condominium (subtype R1)), built around 1871, on a 2,000 sq ft lot zoned R6B. City tax records list the owner as UNAVAILABLE OWNER. As of November 9, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- UNAVAILABLE OWNER
- Building class
- R1 · Condominium
- Year built · units
- 1871 · 4 res.
- Lot area · zoning
- 2,000 sq ft · R6B
- Market value (DOF)
- $0 FY2027
- Last priced deed
- —
- BBL
- 3011517501
- BIN
- 3391534
- 1Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violationsBIS 0 · DOB NOW safety 0
- 0Active ECB violations
- 0Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “171 Prospect Place, Brooklyn, NY 11238 (BBL 3011517501)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/171-prospect-place-3011517501. 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)
- UNAVAILABLE OWNERThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- R1 – Condominium (subtype R1)The 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
- 1871Often an estimate for older buildings.
- Floors
- 4
- Units
- 4 residential / 4 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,000 sq ft (20 ft × 100 ft)
- Building floor area
- 3,958 sq ft
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 1.98 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
- Prospect Heights Historic DistrictExterior changes in a historic district need Landmarks Preservation Commission approval.
- Identifiers
- BBL 3011517501 (Borough 3, Block 1151, Lot 7501) · BIN 3391534BBL 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 2026-11-09; 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)
- $0The 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
- $0The portion of market value that taxes are calculated on (capped by law for small homes).
- Tax class
- Tax class 2 – residential, 4+ units
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $0 | $0 | 2 |
| 2026 | Final | $0 | $0 | 2 |
| 2025 | Final | $0 | $0 | 2 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-09
Sales & deed history 0
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.
No records found in this dataset for this lot.
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-09; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-09; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-09
DOB job filings 1 open of 8
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 Entire · 2026-08-27 | B01423270-I1 DOB NOW | Alteration | 2026-07-09 | $20,062 |
| Not open Approved · 2024-01-18 | B00858713-P3 DOB NOW | Alteration | 2024-01-17 | $8,000 |
| Not open Approved · 2023-07-24 | B00858713-P2 DOB NOW | Alteration | 2023-07-19 | $8,000 |
| Not open Approved · 2023-06-13 | B00858713-P1 DOB NOW | Alteration | 2023-06-12 | $8,000 |
| Not open LOC Issued · 2024-04-05 | B00858713-I1 DOB NOW | Alteration | 2023-04-26 | $8,000 |
| Not open SIGNED OFF · 2016-08-31 | 340349803 BIS | A3 – Minor alteration (one type of work) | 2016-02-04 | — |
| Not open SIGNED OFF · 2018-09-27 | 321259124 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2015-10-19 | $50,000 |
| Not open SIGNED OFF · 2013-05-24 | 320005926 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2009-04-17 | $6,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-08; last loaded 2026-11-09; DOB Job Application Filings (BIS) — city dataset updated 2026-11-08; last loaded 2026-11-09
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.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2026-08-27 | 2027-07-20 | B01423270-I1 DOB NOW | Mechanical Systems INSTALL NEW SPLIT AIR-CONDITIONING SYSTEM SERVING FOURTH FLOOR IN AN EXISTING FIVE-STORY, FOUR-FAMILY RESIDENTIAL BUILDING WITH MECHANICAL WORK AS PER PLANS FIL | Permit Issued |
| 2023-05-05 | 2024-04-14 | B00858713-I1 DOB NOW | Plumbing REGISTER FOUR GAS BOILERS. | Signed-off |
| 2017-06-06 | 2018-06-06 | 321259124 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2016-02-11 | 2017-02-10 | 340349803 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 2015-11-12 | 2016-08-16 | 321259124 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2012-09-28 | 2013-06-30 | 320005926 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2009-05-20 | 2010-05-28 | 320005926 BIS | Equipment work / Other / general construction | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-09; last loaded 2026-11-09; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07
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). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2017-12-23 | P-PLUMBING NONE | THE BOROUGH COMMISIONER HAS ISSUED A NOTICE TO REVOKE APPLICATION #321 259124 DUE TO REVOCATION OF THE MASTER PLUMBERS AND/OR FIRE SUPPRESSIO N LICENSE.ALL WORK IN CONNECTION WITH THIS APPLICATION HAS BEEN ORDERE D STOPPED IMMEDIATELY | V*122317PAPL09DB |
Source: DOB Violations — city dataset updated 2026-11-09; last loaded 2026-11-09
DOB safety violations (DOB NOW) 0 active of 0
Safety violations DOB NOW publishes for devices such as boilers, elevators and gas piping (Local Law 152). Active means the published status is Active. Dismissed, cured, waived and successfully disputed violations are counted under “resolved or not active” and are not open items. Active ones are included in the summary’s active DOB violation total.
No records found in this dataset for this lot.
Source: DOB Safety Violations (DOB NOW) — city dataset updated 2026-11-09; last loaded 2026-11-09
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 2026-11-09
OATH tickets (all agencies) 0 unpaid of 10
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 | 2025-09-04 | Sanitation Others | DIRTY SIDEWALK | 171 PROSPECT PLACE CONDO | $50 / $50 / $0 | 049279870K |
| No balance due PAID IN FULL | 2024-10-21 | Sanitation Others | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | BORNALES BETTY G | $50 / $50 / $0 | 048678611H |
| No balance due Default PAID IN FULL · DEFAULTED | 2022-12-19 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES 1ST OCCURRENCE | BORNALES BETTY G | $80 / $80 / $0 | 047710845L |
| No balance due PAID IN FULL | 2022-04-05 | Sanitation Others | IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE | DEGUZMAN FRANK | $50 / $100 / $-50 | 047221348N |
| No balance due PAID IN FULL | 2020-06-23 | Sanitation Others | IMPROPER DISPOSAL BEDDING 1ST OFFENSE | ATT CONDO PRESIDENT MGMT OWN | $100 / $100 / $0 | 0211215483 |
| No balance due PAID IN FULL | 2018-08-25 | Sanitation Others | STORAGE OF RECEPTACLES | ATT CONDO PRESIDENT MGMT OWN | $100 / $100 / $0 | 0205295036 |
| No balance due PAID IN FULL | 2018-04-06 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | ATTN CONDO OWNER MANGER PRESID | $100 / $100 / $0 | 0195165915 |
| No balance due PAID IN FULL | 2017-08-11 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | DEGUZMAN | $100 / $100 / $0 | 041445891J |
| No balance due PAID IN FULL | 2017-07-31 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES | DEGUZMAN | $100 / $100 / $0 | 044380576Y |
| No balance due Default PAID IN FULL · DEFAULT | 2014-04-29 | Sanitation Dept | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | SMITH | $25 / $25 / — | 041785296X |
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-09; last loaded 2026-11-09
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
- 356897
- Last registered
- 2025-09-16
- Registration valid until
- 2026-09-01 ExpiredRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Corporateowner | 171 PROSPECT PLACE CONDO | Rock Hill, Ny | |
| Officer | Julieanne Bornales | Brooklyn, Ny | |
| Sitemanager | Neftali Lopez | ||
| Agent | Frank Deguzman | REFCO MGMT CO INC | New York, Ny |
| Headofficer | Christoph Kirstein | Brookly, Ny |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; last loaded 2026-11-09; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-09
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 2026-11-09; last loaded 2026-11-09
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 2026-11-09; last loaded 2026-11-09
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 2026-11-09; last loaded 2026-11-09
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 Prospect Heights: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
Closest on Prospect Pl
- 169 Prospect Place (20 ft) (four open items)
- 173 Prospect Place (20 ft)
- 167 Prospect Place (39 ft) (eight open items)
- 175 Prospect Place (39 ft) (two open items)
- 165 Prospect Place (59 ft)
- 177 Prospect Place (62 ft) (six open items)
Same tax block (1151), closest first
- 162 St Marks Avenue (167 ft) (19 open items)
- 184 Saint Marks Avenue (179 ft) (11 open items)
- 190 St Marks Avenue (222 ft) (11 open items)
- 200 St Marks Avenue (307 ft)
Open-item counts as of November 9, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs