917 Blake Avenue, East New York-New Lots, Brooklyn, NY 11207
BBL 3040470159 (Borough 3, Block 4047, Lot 159) · BIN 3258845 · Last updated: · East New York-New Lots · ZIP 11207
Summary · as of November 9, 2026
917 Blake Avenue (Brooklyn, NY 11207; tax lot BBL 3040470159) is a one-family home (building class A5: one-family home, attached or semi-detached), built around 1989, on a 1,621 sq ft lot zoned R5. City tax records list the owner as BOAMPONG, ISAAC. The Department of Finance's final market value for tax year 2027 is $630,000. As of November 9, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, two active ECB violations and seven open HPD violations. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- BOAMPONG, ISAAC
- Building class
- A5 · One-family home, attached or semi-detached
- Year built · units
- 1989 · 1 res.
- Lot area · zoning
- 1,621 sq ft · R5
- Market value (DOF)
- $630,000 FY2027
- Last priced deed
- —
- BBL
- 3040470159
- BIN
- 3258845
- 1Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violationsBIS 0 · DOB NOW safety 0
- 2Active ECB violations
- 7Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “917 Blake Avenue, Brooklyn, NY 11207 (BBL 3040470159)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/brooklyn/917-blake-avenue-3040470159. 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)
- BOAMPONG, ISAACThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- A5 – One-family home, attached or semi-detachedThe 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
- 1989Often 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
- 1,621 sq ft (18 ft × 90.08 ft)
- Building floor area
- 1,116 sq ft
- Zoning
- R5, C1-3The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
- Built vs. allowed density (FAR)
- 0.69 built / 1.50 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 3040470159 (Borough 3, Block 4047, Lot 159) · BIN 3258845BBL 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)
- $630,000The 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
- $37,800The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $17,674Assessed 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 | $630,000 | $37,800 | 1 |
| 2026 | Final | $598,000 | $35,880 | 1 |
| 2025 | Final | $571,000 | $34,260 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-09
Sales & deed history 3
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 |
|---|---|---|---|---|---|
| 2021-05-21 | DEED | $0 / not stated | Boampong, Isaac | Gittens, Carolyn; Boampong, Isaac | 2021052400723001 |
| 2008-05-05 | DEED | $0 / not stated | Boampong, Isaac K; Boampong, Comfort | Boampong, Isaac K | 2008051301550001 |
| 1989-04-20 | DEED | $0 / not stated | East Bk Church Sponscom | Boampong, Isaac K; Boampong, Comfort | FT_3350001467935 |
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 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 - ENTIRE JOB/WORK · 2017-02-06 | 340468309 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2017-02-01 | $22,151 |
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 1
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 |
|---|---|---|---|---|
| 2017-02-06 | 2017-06-01 | 340468309 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 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). The active-DOB count in the summary also includes DOB NOW safety violations, listed in the next section.
No records found in this dataset for this lot.
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) 2 active of 2
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 # |
|---|---|---|---|---|---|
| Active Hearing: STIPULATION/IN-VIO · Certification: NO COMPLIANCE RECORDED | 2018-06-28 | CLASS - 2 | OCCUPANCY CONTRARY TO THAT ALLOWED BY C OF O AND DOB RECORDS. PRIVATE DWELLING ILLEGALLY CONVERTED INTO MULTIPLE DWELLING. 2ND FL ILLEGALLY USED AS SINGLE ROOM OCCUPANCY'S, W/ A TOTAL OF 3 S.R.O'S PRESENT. ALSO | $1,250 / $1,254 / $0 | 35242289J |
| Active Hearing: IN VIOLATION | 2018-07-11 | CLASS - 3 | WORK WITHOUT PERMIT. NOTE: OBSERVED DURING INSPECTION THE CELLAR OF A LEGAL ONE-FAMILY BUILDING CONVERTED TO A SLEEPING AREA WITH THE ERECTION OF FULL HEIGHT PARTITION IN A SECTION. THERE ARE NO RECORDS OF FIL | $500 / $500 / $0 | 35333630H |
Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-09
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.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL · IN VIOLATION | 2018-07-11 | Dept. Of Buildings | WORK WITHOUT A PERMIT | BOAMPONG | $500 / $500 / $0 | 035333630H |
| No balance due PAID IN FULL · STIPULATED | 2018-06-28 | Dept. Of Buildings | OCCUPANCY CONTRARY TO THAT ALLOWED BY CERT OF OCCUP OR BUILDING DEPT | ISAAC K. BOAMPONG | $1,250 / $1,254 / $0 | 035242289J |
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.
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 2026-11-09; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-09
HPD housing-code violations 7 open of 7
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 · 2018-07-05 | B | 2018-07-05 | 2FL | § 27-2077 ADM CODE - DISCONTINUE THE ROOMING UNIT NORTHEAST 2 LOCATED AT APT 2FL, 2nd STORY, APARTMENT AT SOUTH |
| Open Nov Sent Out · 2018-07-05 | B | 2018-07-05 | 2FL | § 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2FL, 2nd STORY, APARTMENT AT SOUTH |
| Open Nov Sent Out · 2018-07-05 | B | 2018-07-05 | § 27-2077 ADM CODE - DISCONTINUE THE ROOMING UNIT NORTH 2 AT CELLAR | |
| Open Nov Sent Out · 2018-07-05 | B | 2018-07-05 | 2FL | § 27-2077 ADM CODE - DISCONTINUE THE ROOMING UNIT NORTHEAST 1 LOCATED AT APT 2FL, 2nd STORY, APARTMENT AT SOUTH |
| Open Nov Sent Out · 2018-07-05 | B | 2018-07-05 | 2FL | § 27-2077 ADM CODE - DISCONTINUE THE ROOMING UNIT NORTHWEST 1 LOCATED AT APT 2FL, 2nd STORY, APARTMENT AT SOUTH |
| Open Nov Sent Out · 2018-07-05 | B | 2018-07-05 | 2FL | § 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AROUND BATH TUB IN THE BATHROOM LOCATED AT APT 2FL, 2nd STORY, APARTMENT AT SOUTH |
| Open Nov Sent Out · 2018-07-05 | B | 2018-07-05 | § 9, 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCY |
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 East New York-New Lots: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
Closest on Blake Ave
- 919 Blake Avenue (17 ft)
- 913 Blake Avenue (23 ft)
- 923 Blake Avenue (36 ft) (seven open items)
- 925 Blake Avenue (54 ft)
- 927 Blake Avenue (72 ft)
- 929 Blake Avenue (90 ft) (one open item)
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