300 Eldert Street, Brooklyn, NY 11237
BBL 3034190009 (Borough 3, Block 3419, Lot 9) · BIN 3425630 · Last updated:
Summary · as of October 31, 2026
300 Eldert Street (Brooklyn, NY 11237; tax lot BBL 3034190009) is a 7-unit walk-up apartment building (building class C1: walk-up apartments, more than six families, no stores), built around 2014, on a 2,134 sq ft lot zoned R6. City tax records list the owner as AMBROSINO EQUITIES - 300 ELDERT LLC. The Department of Finance's final market value for tax year 2027 is $1,363,000. 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. There were three 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- AMBROSINO EQUITIES - 300 ELDERT LLC
- Building class
- C1 · Walk-up apartments, more than six families, no stores
- Year built · units
- 2014 · 7 res.
- Lot area · zoning
- 2,134 sq ft · R6
- Market value (DOF)
- $1,363,000 FY2027
- Last priced deed
- —
- BBL
- 3034190009
- BIN
- 3425630
- 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, “300 Eldert Street, Brooklyn, NY 11237 (BBL 3034190009)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/300-eldert-street-3034190009. 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)
- AMBROSINO EQUITIES - 300 ELDERT LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- C1 – Walk-up apartments, more than six families, no storesThe 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
- 2014Often an estimate for older buildings.
- Floors
- 4
- Units
- 7 residential / 7 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,134 sq ft (22 ft × 97 ft)
- Building floor area
- 5,407 sq ft
- Zoning
- R6The zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 2.53 built / 2.43 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 3034190009 (Borough 3, Block 3419, Lot 9) · BIN 3425630BBL 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 2026-10-31; Building Footprints — city dataset updated 2026-10-25; data as of 2026-10-31
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $1,363,000The 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
- $613,350The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $229,011Assessed value minus any exemptions.
- Tax class
- Tax class 2B – residential rental, 7–10 units
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $1,363,000 | $613,350 | 2B |
| 2026 | Final | $1,136,000 | $511,200 | 2B |
| 2025 | Final | $1,420,000 | $639,000 | 2B |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-10-31
Sales & deed history 5
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 |
|---|---|---|---|---|---|
| 2014-06-24 | DEED | $0 / not stated | Ambrosino Construction Corp.; Ambrosino Construction, Inc. | Ambrosino Equities - 300 Eldert Llc | 2014062600387001 |
| 1987-09-01 | DEED | $0 / not stated | City Of New York | Ambrosino Construction | FT_3750001307175 |
| 1979-06-14 | DEED | $0 / not stated one deed covering 2251 lots; price is for all of them | Commissioner Of Finance Of The City Of New York; Commissioner Of Financeof The City Of New York; Dept Of Finance Of The City Of Ny; Finance Administration; Commissioner Of Finance Of The City Ofnew York; Commissoner Of Finance Of The City Of New York; Comm Of Finance Of The City Of New York; Finance Admiministration; Comm Of Finance Of The City Of Ny; Finance Admin; Commissioner Of Finance; Commissoiner Of Finance Of The City Of New York; Commissioner Finance Of The City Of Ny; Commissioner Of Finance Of The City New York; Commissioner Of Finance Of The City O Fnew York; Commissioner Of Finance Of The City Of Newyork | City Of N Y; The City Of New York; The City Ofnew York; The City Of Ny; City Of Ny; The City Of New York; City Ny | BK_7930107900050 |
| 1973-12-27 | DEED | $0 / not stated one deed covering 2501 lots; price is for all of them | ; Zwickel, Yetta; Finance Admin Of City Of Ny | ; City Of Ny | BK_7330068100138 |
| 1968-06-26 | DEED | $0 / not stated | Di Maria Lucia | Di Maria Salvatore | BK_6830075700043 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-10-31
DOB job filings 0 open of 5
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 · 2014-11-11 | 340164422 BIS | A3 – Minor alteration (one type of work) | 2014-07-11 | — |
| Not open SIGNED OFF · 2015-08-06 | 320834335 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2014-05-15 | $1,000 |
| Not open SIGNED OFF · 2014-11-06 | 340129541 BIS | A3 – Minor alteration (one type of work) | 2014-03-24 | — |
| Not open SIGNED OFF · 2015-10-13 | 320834754 BIS | A3 – Minor alteration (one type of work) | 2013-07-23 | — |
| Not open SIGNED OFF · 2015-10-20 | 320753797 BIS | NB – New building | 2013-05-08 | — |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-10-30; data as of 2026-10-31; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 14
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 |
|---|---|---|---|---|
| 2015-06-05 | 2016-06-04 | 320753797 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2014-09-04 | 2015-09-04 | 320753797 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (renewal) |
| 2014-09-04 | 2015-06-29 | 320753797 BIS | New building | RE-ISSUED (renewal) |
| 2014-07-15 | 2015-07-15 | 340164422 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 2014-04-21 | 2015-04-21 | 320753797 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2014-03-25 | 2014-12-31 | 340129541 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 2014-02-27 | 2014-09-06 | 320753797 BIS | New building | ISSUED (renewal) |
| 2014-02-27 | 2014-09-06 | 320753797 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | RE-ISSUED (renewal) |
| 2014-02-27 | 2014-09-06 | 320753797 BIS | Foundation | ISSUED (renewal) |
| 2014-02-27 | 2014-09-06 | 320753797 BIS | Foundation | ISSUED (renewal) |
| 2013-11-22 | 2014-03-06 | 320753797 BIS | Foundation | ISSUED (initial) |
| 2013-11-22 | 2014-03-06 | 320753797 BIS | Foundation | ISSUED (initial) |
Showing 12 of 14 records. The API and the source dataset have the full list.
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-10-30; data as of 2026-10-31; 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 2026-10-31; data as of 2026-10-31
ECB violations (DOB) 0 active of 6
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 IN VIOLATION · CERTIFICATE ACCEPTED | 2014-07-24 | CLASS - 1 | 3301.1.2 FAILURE TO COMPLY WITH NYC FIRE CODE.NO FIRE GUARD.OBSERVED WELDER ON SCAFFOLD.WELDING IN PROGRESS NO FIRE GUARD AVAILABLE @ TIME OF INSP.EXPIRED FIRE EXTINGUISHER ON THE FLOOR.NO FIRE EXTINGUISHER NEX | $1,600 / $1,600 / $0 | 35098554H |
| Resolved DISMISSED · N/A - DISMISSED | 2014-07-03 | CLASS - 1 | ELECTRICAL WORK W/O A PERMIT.NOTE: @TIME OF MY INSP CONST WORK IN PROGRESS I OBSERVED THAT TEMPORARY ELECTRICAL FOR CONST SITE WAS BEING SUPPLY BY ADJACENT PROPERTY @ EXP 2, 306 ELDERT STREET.RESEARCH OF DEPT R | $0 / $0 / $0 | 35098341Y |
| Resolved IN VIOLATION · CERTIFICATE ACCEPTED | 2014-07-03 | CLASS - 1 | ELECTRICAL WORK W/O A PERMIT.NOTE: @TIME OF INSP CONST WORK IN PROGRESS,I OBSERVED THAT THERE WERE GENERAL WIRE WORK BEING DONE FROM THE CELLAR LEVEL TO THE ROOF ON CONST SITE OF A 4-STORY RESIDENTIAL BLDG.RESE | $800 / $800 / $0 | 35098340M |
| Resolved IN VIOLATION · CERTIFICATE ACCEPTED | 2014-06-21 | CLASS - 1 | BC 3314.4.4 MATERIALS ON SCAFFOLD WHILE WORK NOT IN PROGRESS.NOTE:@ TIME OF INSPECTION,I OBSERVED THAT THERE WERE MATERIALS ON SCAFFOLD THATCONSIST OF BRICKS,MIXING PANS,BUCKETS & TOOLS.THERE WERE NO WORK BEIN | $400 / $400 / $0 | 35093041J |
| Resolved IN VIOLATION · CERTIFICATE ACCEPTED | 2014-06-21 | CLASS - 1 | WORK AFTER HRS W/O VARIANCE PERMIT CONTRARY TO 105.12.5.NOTE:@ TIME OFINSPECTION CONST WORK IN PROGRESS.I OBSERVED APPROX 10 WORKERS ON SITECONDUCTING MASONRY,CARPENTRY,ELECTRICAL & MINOR HOUSEKEEPING WORK.UPON | $400 / $400 / $0 | 35093040H |
| Resolved IN VIOLATION · CERTIFICATE ACCEPTED | 2014-06-21 | CLASS - 1 | BC 3309.10 NO PROTECTION FOR ROOF,SKYLIGHT & CHIMNEYS ETC.NOTE:@ TIME OF INSPECTION CONST WORK IN PROGRESS.I OBSERVED THAT ROOF @ 811 KNICKERBOCKER AVENUE WAS NOT PROVIDED W/ROOF PROTECTION AS REQUIRE BY CODE F | $1,600 / $1,600 / $0 | 35093042L |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-10-31
OATH tickets (all agencies) 0 unpaid of 14
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 · SETTL IN-VIO | 2025-07-31 | Dos - Enforcement Agents | IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE | AMBROSINO EQUITIES - 300 ELDER | $300 / $180 / $0 | 049288452M |
| No balance due PAID IN FULL | 2024-10-11 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | AMBROSINO EQUITIES - 300 ELDER | $50 / $50 / $0 | 048629737M |
| No balance due PAID IN FULL | 2024-08-05 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | AMBROSINO EQUITIES - 300 ELDER | $50 / $50 / $0 | 048585284R |
| No balance due PAID IN FULL · SETTL IN-VIO | 2021-04-22 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | AMBROSINO EQUITIES - 300 ELDER | $300 / $225 / $0 | 047205014N |
| No balance due PAID IN FULL · SETTL IN-VIO | 2020-04-01 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | AMBROSINO EQUITIES 300 ELDERT | $300 / $237 / $0 | 0210971741 |
| No balance due PAID IN FULL · IN VIOLATION | 2014-07-24 | Dept. Of Buildings | MISCELLANEOUS VIOLATIONS | ABROSINO CONSTRUCTION CORP | $1,600 / $1,600 / — | 035098554H |
| No balance due HEARING COMPLETED · DISMISSED | 2014-07-03 | Dept. Of Buildings | ELECTRICAL WORK WITHOUT A PERMIT | AMBROSINO CONST CORP | — / — / — | 035098341Y |
| No balance due PAID IN FULL · IN VIOLATION | 2014-07-03 | Dept. Of Buildings | ELECTRICAL WORK WITHOUT A PERMIT | AMBROSINO CONST CORP | $800 / $800 / — | 035098340M |
| No balance due PAID IN FULL · IN VIOLATION | 2014-06-21 | Dept. Of Buildings | MISCELLANEOUS VIOLATIONS | AMBROSINO CONST CORP | $400 / $400 / — | 035093041J |
| No balance due PAID IN FULL · IN VIOLATION | 2014-06-21 | Dept. Of Buildings | MISCELLANEOUS VIOLATIONS | AMBROSINO CONST CORP | $1,600 / $1,600 / — | 035093042L |
| No balance due PAID IN FULL · IN VIOLATION | 2014-06-21 | Dept. Of Buildings | WORK AFTER HOURS W O VARIANCE PERMIT CONTRARY TO 28-105.12.5 | AMBROSINO CONST CORP | $400 / $400 / — | 035093040H |
| No balance due PAID IN FULL | 2008-05-04 | Sanitation Police | STORAGE OF RECEPTACLES | CONSTRUCTION | $100 / $100 / — | 040481452J |
Showing 12 of 14 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-10-31; data as of 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.
- HPD building ID
- 958962
- Last registered
- 2026-08-06
- Registration valid until
- 2027-09-01 CurrentRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Sitemanager | Michael Ambrosino | ||
| Headofficer | Antonio Ambrosino | Maspeth, Ny | |
| Agent | Michael Ambrosino | Maspeth, Ny | |
| Corporateowner | AMBROSINO EQUITIES-300 ELDERT LLC | Maspeth, Ny |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-10-31; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-10-31
HPD housing-code violations 0 open of 4
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 |
|---|---|---|---|---|
| Closed Violation Dismissed · 2026-05-14 | A | 2026-05-08 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Closed Violation Dismissed · 2025-07-21 | A | 2025-06-13 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Closed Violation Dismissed · 2021-05-11 | A | 2021-04-20 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Closed Violation Dismissed · 2017-12-21 | I | 2017-12-11 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 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 — city dataset updated 2026-10-31; data as of 2026-10-31
311 requests (last 12 months) 3
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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-08-10 | DOHMH | Mosquitoes – Large Number of Mosquitoes | Closed | 2026-08-10 |
| 2026-06-07 | NYPD | Noise - Street/Sidewalk – Loud Music/Party | Closed | 2026-06-07 |
| 2026-04-05 | DPR | Wood Pile Remaining – Remove Debris | Closed | 2026-04-07 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-10-31; data as of 2026-10-31
Nearby properties
On Eldert St
- 305 Eldert Street (12 open items)
- 294 Eldert Street (143 open items)
- 306 Eldert Street (25 open items)
- 308 Eldert Street (15 open items)
- 309 Eldert Street (two open items)
- 290 Eldert Street (83 open items)
- 310 Eldert Street (37 open items)
- 311 Eldert Street (eight open items)
- 288 Eldert Street (11 open items)
- 312 Eldert Street (22 open items)
Same tax block (3419)
- 279 Covert Street (one open item)
- 817 Knickerbocker Avenue
- 815 Knickerbocker Avenue (51 open items)
- 811 Knickerbocker Avenue (two open items)
- 306 Eldert Street (25 open items)
- 308 Eldert Street (15 open items)
- 310 Eldert Street (37 open items)
- 312 Eldert Street (22 open items)
- 314 Eldert Street (two open items)
- 316 Eldert Street (23 open items)
All properties on Eldert St, Brooklyn · All of Brooklyn 11237 (Bushwick (West))
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · API & MCP docs