34 Vanderbilt Avenue, Brooklyn, NY 11205
BBL 3020330045 (Borough 3, Block 2033, Lot 45) · BIN 3398386 · Last updated: · Bedford-Stuyvesant (West) · ZIP 11205
Summary · as of November 8, 2026
34 Vanderbilt Avenue (Brooklyn, NY 11205; tax lot BBL 3020330045) is a one-family home (building class A5: one-family home, attached or semi-detached), built around 2015, on a 1,275 sq ft lot zoned R8. City tax records list the owner as MOMMSEN, BRIAN; per ACRIS, a deed to this owner dated January 30, 2017 lists a price of $2,175,000. The Department of Finance's final market value for tax year 2027 is $2,691,000. As of November 8, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off. There was one 311 request 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
- MOMMSEN, BRIAN
- Building class
- A5 · One-family home, attached or semi-detached
- Year built · units
- 2015 · 1 res.
- Lot area · zoning
- 1,275 sq ft · R8
- Market value (DOF)
- $2,691,000 FY2027
- Last priced deed
- $2,175,000 · 2017-01-30
- BBL
- 3020330045
- BIN
- 3398386
- 1Open 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, “34 Vanderbilt Avenue, Brooklyn, NY 11205 (BBL 3020330045)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/34-vanderbilt-avenue-3020330045. 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)
- MOMMSEN, BRIANThe 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
- 2015Often an estimate for older buildings.
- Floors
- 3
- Units
- 1 residential / 1 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,275 sq ft (17 ft × 75 ft)
- Building floor area
- 2,295 sq ft
- Zoning
- R8, C2-4The 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)
- 1.80 built / 6.02 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 3020330045 (Borough 3, Block 2033, Lot 45) · BIN 3398386BBL 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)
- $2,691,000The 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
- $161,460The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $102,491Assessed 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 | $2,691,000 | $161,460 | 1 |
| 2026 | Final | $2,695,000 | $161,700 | 1 |
| 2025 | Final | $2,576,000 | $154,560 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-08
Sales & deed history 2
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 |
|---|---|---|---|---|---|
| 2017-01-30 | DEED | $2,175,000 | Navy Green Townhouses Llc | Mommsen, Brian; Hansell, Geraldine | 2017020100112001 |
| 2014-03-06 | DEED | $23 one deed covering 23 lots; price is for all of them | The City Of New York Acting By And Through Its | Navy Green Townhouses Llc | 2014031301272001 |
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 1 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 |
|---|---|---|---|---|
| Permitted, not signed off PERMIT ISSUED - ENTIRE JOB/WORK · 2020-11-02 | 321736840 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2018-03-13 | $40,000 |
| Not open SIGNED OFF · 2018-01-23 | 320513397 BIS | NB – New building | 2012-12-03 | — |
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 21
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 |
|---|---|---|---|---|
| 2020-11-02 | 2021-05-20 | 321736840 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2017-03-03 | 2018-03-03 | 320513397 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (renewal) |
| 2017-03-03 | 2018-04-01 | 320513397 BIS | New building | ISSUED (renewal) |
| 2016-12-21 | 2017-12-21 | 320513397 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2016-03-09 | 2017-04-01 | 320513397 BIS | Foundation | ISSUED (renewal) |
| 2016-03-09 | 2017-04-01 | 320513397 BIS | Foundation | ISSUED (renewal) |
| 2016-03-09 | 2017-04-01 | 320513397 BIS | New building | ISSUED (renewal) |
| 2016-01-14 | 2017-01-13 | 320513397 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (renewal) |
| 2015-02-26 | 2016-02-26 | 320513397 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (renewal) |
| 2015-02-26 | 2016-04-01 | 320513397 BIS | Foundation | ISSUED (renewal) |
| 2015-02-26 | 2016-04-01 | 320513397 BIS | New building | ISSUED (renewal) |
| 2015-02-26 | 2016-04-01 | 320513397 BIS | Foundation | ISSUED (renewal) |
Showing 12 of 21 records. The API and the source dataset have the full list.
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 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 2026-11-07; last loaded 2026-11-08
ECB violations (DOB) 0 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 # |
|---|---|---|---|---|---|
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2015-08-24 | CLASS - 2 | FAILURE TO MAINTAIN:HOUSKEEPING.NOTE: 3 STORY BUILDING UNDER CONSTRUC TION WORK IN PROGRESS 3RD FLR,WORKERS CROSSING BACK AND FORTH FROM SITE TO SITE OBSERVED THE WORKING FLOORS COVERED W/CMU DEBRIS,BROKEN BLOC | $0 / $0 / $0 | 35145776M |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 2015-08-24 | CLASS - 1 | FAILURE TO MAINTAIN: NO GUARDRAILS. NOTE: 3STORY BUILDING UNDER CONSTRUCTION,LARGE SITE MULTIPLE ADDRESSES,WORKERS ON 3RD FLR, CMU OPERATIONCONCRETE./GROUT OPERATIONS IN PROGRESS.OBSERVED NO GUARDRAILS IN PLACE | $1,200 / $1,200 / $0 | 35145775K |
Source: DOB ECB Violations — city dataset updated 2026-11-07; last loaded 2026-11-08
OATH tickets (all agencies) 0 unpaid of 9
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 | 2026-05-15 | Dos - Enforcement Agents | DIRTY SIDEWALK | MOMMSEN BRIAN | $50 / $50 / $0 | 049769857H |
| No balance due PAID IN FULL | 2026-05-08 | Sanitation Others | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | MOMMSEN BRIAN | $25 / $25 / $0 | 049769836Z |
| No balance due PAID IN FULL | 2024-10-24 | Sanitation Others | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 6PM | MOMMSEN BRIAN | $50 / $50 / $0 | 048626938P |
| No balance due Default PAID IN FULL · DEFAULTED | 2023-07-14 | Sanitation Others | FAILURE TO PROPERLY PUT RECYCS OUT FOR COLLECTION 1TO8DWELLING UNITS | MOMMSEN BRIAN | $25 / $25 / $0 | 047809609J |
| No balance due HEARING COMPLETED · DISMISSED | 2017-11-09 | Unspecified | VITTELLO PLUMBING MECHANICAL | $0 / $0 / $0 | 0196851876 | |
| No balance due PAID IN FULL | 2017-05-16 | Sanitation Others | STORAGE OF RECEPTACLES | MOMMSEN | $100 / $100 / $0 | 0194992280 |
| No balance due PAID IN FULL | 2017-03-12 | Dos - Enforcement Agents | LOOSE RUBBISH | MOMMSEN | $100 / $200 / $-100 | 044772974M |
| No balance due HEARING COMPLETED · IN VIOLATION | 2015-08-24 | Dept. Of Buildings | FAILURE TO MAINTAIN ADEQUATE HOUSEKEEPING PER SECTION REQUIREMENTS | L M BUILDERS GROUP LLC | — / — / — | 035145776M |
| No balance due PAID IN FULL · IN VIOLATION | 2015-08-24 | Dept. Of Buildings | FAILURE TO INSTITUTE MAINTAIN SAFETY EQUIPMENT ETC.,- NO GUARD RAILS | L M BUILDERS GROUP LLC | $1,200 / $1,200 / — | 035145775K |
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 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 2026-11-08; 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) 1
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 |
|---|---|---|---|---|
| 2026-04-07 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-04-07 |
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 Bedford-Stuyvesant (West): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets
Closest on Vanderbilt Ave
- 36 Vanderbilt Avenue (17 ft) (one open item)
- 32 Vanderbilt Avenue (17 ft)
- 38 Vanderbilt Avenue (34 ft) (two open items)
- 30 Vanderbilt Avenue (34 ft)
- 28 Vanderbilt Avenue (52 ft) (one open item)
- 26 Vanderbilt Avenue (68 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