34 Porter Avenue, Brooklyn, NY 11237
BBL 3030090023 (Block 3009, Lot 23) · BIN 3400399 · Last updated:
Summary
34 Porter Avenue (Brooklyn, NY 11237) is a factory or industrial building (building class F4: factory / industrial building (subtype F4)), built around 1987, on a 2,500 sq ft lot zoned M1-1. City tax records list the owner as 105-115 THAMES STREET REALTY, LLC; per ACRIS, a deed to this owner dated October 15, 2010 lists a price of $3,641,253 in a deed covering 4 lots. The Department of Finance's final market value for tax year 2027 is $357,000. 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.
At a glance
No open permits, active DOB/ECB violations, open HPD violations, or unpaid OATH tickets were found for this lot in the datasets checked.
Lot & building
Basic facts about the tax lot and building from the city’s PLUTO database.
- Owner (as listed by the city)
- 105-115 THAMES STREET REALTY, LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- F4 – Factory / industrial building (subtype F4)The Department of Finance’s category for what kind of building this is.
- Land use
- Industrial & manufacturingCity Planning’s broad category of how the lot is used.
- Year built
- 1987Often an estimate for older buildings.
- Floors
- 1
- Units
- 0 residential / 1 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,500 sq ft (25 ft × 100 ft)
- Building floor area
- 2,500 sq ft (incl. 2,500 sq ft commercial)
- Zoning
- M1-1The zoning district sets what can be built and used here. Manufacturing district.
- Built vs. allowed density (FAR)
- 1.00 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 3030090023 (Borough 3, Block 3009, Lot 23) · BIN 3400399BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Official lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — dataset updated 2026-08-24, fetched 2026-10-31; Building Footprints — dataset updated 2026-10-25, fetched 2026-10-31
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $357,000The 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
- $160,650The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $148,770Assessed value minus any exemptions.
- Tax class
- Tax class 4 – commercial / industrial
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $357,000 | $160,650 | 4 |
| 2026 | Final | $300,000 | $135,000 | 4 |
| 2025 | Final | $317,000 | $142,650 | 4 |
| 2024 | Final | $355,000 | $159,750 | 4 |
| 2023 | Final | $324,000 | $145,800 | 4 |
Source: DOF Property Valuation and Assessment Data — dataset updated 2026-09-14, fetched 2026-10-31
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 |
|---|---|---|---|---|---|
| 2010-10-15 | DEED | $3,641,253 one deed covering 4 lots; price is for all of them | Bfi Waste Systems Of New Jersey, Inc. | 105-115 Thames Street Realty, Llc | 2010101800578001 |
| 2010-03-01 | CORRD | $0 / not stated one deed covering 4 lots; price is for all of them | Browning-Ferris Industries Of New York Inc | Bfi Waste Systems Of New Jersey Inc. | 2010031200731002 |
| 2010-02-11 | CORRD | $0 / not stated one deed covering 4 lots; price is for all of them | Lostritto, Joseph | Browning-Ferris Industries Of New York, Inc. | 2010031200731001 |
| 1996-06-28 | DEED | $0 / not stated one deed covering 4 lots; price is for all of them | Lostritto, Joseph | Browning-Ferris Industries Of New York Inc | FT_3830005285283 |
| 1992-01-22 | DEED | $0 / not stated one deed covering 2 lots; price is for all of them | Calandrillo, Michael | Lostritto, Joseph | FT_3890001669489 |
| 1983-12-16 | DEED | $0 / not stated one deed covering 4 lots; price is for all of them | Henry S Levy & Son | Lostritto, Joseph; Calandrillo, Michael | FT_3580000994258 |
| 1969-10-01 | DEED | $0 / not stated | Brooks Bertram C | Henry S Levy & Son Inc | BK_6930036501925 |
Source: ACRIS Real Property Master — dataset updated 2026-10-08, fetched 2026-10-31; ACRIS Real Property Legals — dataset updated 2026-10-08, fetched 2026-10-31; ACRIS Real Property Parties — dataset updated 2026-10-08, fetched 2026-10-31
DOB job filings 0 open of 0
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.
No records found in this dataset for this lot.
Source: DOB NOW: Build – Job Application Filings — dataset updated 2026-10-30, fetched 2026-10-31; DOB Job Application Filings (BIS) — dataset updated 2026-10-30, fetched 2026-10-31
Work permits 0
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.
No records found in this dataset for this lot.
Source: DOB NOW: Build – Approved Permits — dataset updated 2026-10-30, fetched 2026-10-31; DOB Permit Issuance (BIS) — dataset updated 2026-10-31, fetched 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 — dataset updated 2026-10-31, fetched 2026-10-31
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 means the condition has not been certified as corrected and/or the case is not resolved. A balance due is a fine the city says is unpaid.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved DISMISSED · N/A - DISMISSED | 2024-10-01 | CLASS - 1 | FAILURE TO SUBMIT THE REQUIRED PARKING STRUCTURE INITIAL OBSERVATION REPORT FOR AN EXISTING PARKING STRUCTURE OR A PERIODIC INSPECTION OF A PARKING STRUCTURE(PIPS) REPORT DOCUMENTING THE CONDITIONS OF PSID#B000 | $0 / $0 / $0 | 37031590L |
Source: DOB ECB Violations — dataset updated 2026-10-31, fetched 2026-10-31
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 address. 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 HEARING COMPLETED · DISMISSED | 2024-10-01 | Dept. Of Buildings | MISCELLANEOUS VIOLATIONS | 105-114 THAMES STREET REALTY, | $0 / $0 / $0 | 037031590L |
| No balance due PAID IN FULL | 2012-02-23 | Sanitation Piu | SPILLAGE FROM TRUCK OR RECEPTACLE | GOTAY | $100 / $100 / — | 0170503356 |
Source: OATH Hearings Division Case Status — dataset updated 2026-10-31, fetched 2026-10-31
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 — dataset updated 2026-10-28, fetched 2026-10-31; HPD Registration Contacts — dataset updated 2026-10-28, fetched 2026-10-31
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 — dataset updated 2026-10-31, fetched 2026-10-31
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 — dataset updated 2026-10-31, fetched 2026-10-31
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 — dataset updated 2026-10-31, fetched 2026-10-31
Nearby properties
On Porter Ave
- 38 Porter Avenue
- 42 Porter Avenue (one open item)
- 65 Porter Avenue (nine open items)
- 89 Porter Avenue (92 open items)
Same tax block (3009)
- 84 Grattan Street (one open item)
- 86 Grattan Street
- 88 Grattan Street (one open item)
- 90 Grattan Street
- 92 Grattan Street (two open items)
- 96 Grattan Street
- 98 Grattan Street (12 open items)
- 100 Grattan Street
Data as of October 31, 2026 (cached NYC Open Data; each section shows its own dataset date). Machine-readable: /api/property/3030090023.json