817 Avenue U, Brooklyn, NY 11223
BBL 3071110041 (Borough 3, Block 7111, Lot 41) · BIN 3192157 · Last updated:
Summary · as of October 31, 2026
817 Avenue U (Brooklyn, NY 11223; tax lot BBL 3071110041) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1931, on a 2,145 sq ft lot zoned R6A. City tax records list the owner as CAIATI, BERARDINO. The Department of Finance's final market value for tax year 2027 is $2,784,000. As of October 31, 2026, NYC Open Data shows three active DOB violations and six OATH tickets with an unpaid balance. There were five 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
- CAIATI, BERARDINO
- Building class
- S2 · Mixed-use: two-family home with one store or office
- Year built · units
- 1931 · 2 res.
- Lot area · zoning
- 2,145 sq ft · R6A
- Market value (DOF)
- $2,784,000 FY2027
- Last priced deed
- —
- BBL
- 3071110041
- BIN
- 3192157
- 0Open DOB jobs (permit issued, no sign-off)
- 3Active DOB violations
- 0Active ECB violations
- 0Open HPD violations
- 6OATH tickets with unpaid balance
How to cite: NYC Property Facts, “817 Avenue U, Brooklyn, NY 11223 (BBL 3071110041)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/817-avenue-u-3071110041. 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)
- CAIATI, BERARDINOThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- S2 – Mixed-use: two-family home with one store or officeThe Department of Finance’s category for what kind of building this is.
- Land use
- Mixed residential & commercialCity Planning’s broad category of how the lot is used.
- Year built
- 1931Often an estimate for older buildings.
- Floors
- 3
- Units
- 2 residential / 3 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,145 sq ft (19.5 ft × 110 ft)
- Building floor area
- 3,426 sq ft (incl. 1,165 sq ft commercial)
- Zoning
- R6A, C1-4, OPThe 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)
- 1.60 built / 3.00 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 3071110041 (Borough 3, Block 7111, Lot 41) · BIN 3192157BBL 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 2026-11-04; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $2,784,000The 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
- $167,040The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $53,292Assessed 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 | $2,784,000 | $167,040 | 1 |
| 2026 | Final | $2,227,000 | $133,620 | 1 |
| 2025 | Final | $1,759,000 | $105,540 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-04
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 |
|---|---|---|---|---|---|
| 2018-07-10 | DEED, LE | $0 / not stated | Caiati, Berardino | Berardino Caiati, As Trustee; Berardino Caiati Trust | 2018072800036001 |
| 2015-07-16 | DEED | $0 / not stated | Caiati, Michelina; Caiati, Berardino | Caiati, Berardino | 2015072300174001 |
| 1986-02-06 | DEED | $0 / not stated | Mazzoni, Gaetano/Aka; Mazzone, Raffaele; Mazzone, Gaetano | Caiati, Michelina; Caiati, Berardino | FT_3480001145048 |
| 1984-07-03 | DEED | $0 / not stated | Ciaramitaro, Vincent | Mazzoni, Gaetano | FT_3070001028807 |
| 1980-05-23 | DEED | $0 / not stated | Ciaramitaro Giuseppe | Ciaramitaro Vincent | BK_8030116101992 |
| 1980-05-16 | DEED | $0 / not stated | Ciaramitaro Paul | Ciaramitaro Giuseppe | BK_8030116000482 |
| 1975-11-06 | DEED | $0 / not stated | Taluann Corp | Ciaramitaro Vincent; Ciaramitaro Paul | BK_7530081201747 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-04
DOB job filings 0 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 |
|---|---|---|---|---|
| Not open SIGNED OFF · 1993-09-09 | 300244689 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 1993-04-16 | $20,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-04; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
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 |
|---|---|---|---|---|
| 1993-08-20 | 1993-08-20 | 300244689 BIS | Equipment work / Mechanical/HVAC | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-04; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 3 active of 6
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).
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Active V-DOB VIOLATION - ACTIVE | 1993-08-16 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V081693LL629125702 | |
| Active V-DOB VIOLATION - ACTIVE | 1993-08-16 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V081693LL629125701 | |
| Active V-DOB VIOLATION - ACTIVE | 1993-08-16 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V081693LL629125700 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1995-08-29 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*082995LL629127529 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1995-08-29 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*082995LL629127528 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1995-08-29 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*082995LL629127527 |
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-04
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: DISMISSED · Certification: N/A - DISMISSED | 1996-03-21 | Hazardous | 4A,19B,. | $0 / $0 / $0 | 32013914H |
| Resolved Hearing: DISMISSED · Certification: N/A - DISMISSED | 1996-03-21 | Hazardous | 4A,19B,. | $0 / $0 / $0 | 32013915J |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-04
OATH tickets (all agencies) 6 unpaid of 24
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 # |
|---|---|---|---|---|---|---|
| Unpaid balance Default DOCKETED · DEFAULTED | 2023-05-11 | Sanitation Others | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | CAIATI BERARDINO | $300 / $0 / $300 | 047878784X |
| Unpaid balance Default DOCKETED · DEFAULTED | 2023-03-30 | Sanitation Others | DIRTY SIDEWALK | CAIATI BERARDINO | $300 / $0 / $300 | 047690164K |
| Unpaid balance Default DOCKETED · DEFAULTED | 2023-02-13 | Dos - Enforcement Agents | DIRTY SIDEWALK | CAIATI BERARDINO | $300 / $0 / $300 | 047762515N |
| Unpaid balance Default DOCKETED · DEFAULTED | 2022-08-29 | Sanitation Others | DIRTY SIDEWALK | CAIATI BERARDINO | $300 / $0 / $300 | 047494703M |
| Unpaid balance Default DOCKETED · DEFAULTED | 2022-05-26 | Sanitation Others | DIRTY SIDEWALK | CAIATI BERARDINO | $300 / $0 / $300 | 047345173P |
| Unpaid balance Default DOCKETED · DEFAULTED | 2019-09-04 | Sanitation Others | DIRTY SIDEWALK DIRTY AREA | CAIATI | $300 / $0 / $300 | 0208981823 |
| No balance due PAID IN FULL | 2026-04-22 | Sanitation Others | DIRTY SIDEWALK | CAIATI BERARDINO | $50 / $50 / $0 | 049675534X |
| No balance due PAID IN FULL | 2026-04-21 | Dos - Enforcement Agents | DIRTY SIDEWALK | CAIATI BERARDINO | $50 / $50 / $0 | 049734706K |
| No balance due PAID IN FULL | 2026-04-08 | Sanitation Others | DIRTY SIDEWALK | CAIATI BERARDINO | $50 / $50 / $0 | 049675487M |
| No balance due PAID IN FULL | 2025-02-20 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | CAIATI BERARDINO | $50 / $50 / $0 | 048925563H |
| No balance due PAID IN FULL | 2025-01-31 | Sanitation Others | DIRTY SIDEWALK | CAIATI BERARDINO | $50 / $50 / $0 | 048925441J |
| No balance due PAID IN FULL | 2024-11-02 | Sanitation Others | DIRTY SIDEWALK | CAIATI BERARDINO | $50 / $50 / $0 | 048668384H |
Showing 12 of 24 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-04
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; data as of 2026-11-04; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-04
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 2026-11-02; data as of 2026-11-04
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 2026-11-02; data as of 2026-11-04
311 requests (last 12 months) 5
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 |
|---|---|---|---|---|
| 2026-08-03 | DSNY | Illegal Dumping – Chronic Dumping | Closed | 2026-08-11 |
| 2026-07-17 | DSNY | Illegal Dumping – Chronic Dumping | Closed | 2026-07-24 |
| 2026-06-25 | DSNY | Illegal Dumping – Chronic Dumping | Closed | 2026-07-02 |
| 2026-06-16 | DSNY | Illegal Dumping – Chronic Dumping | Closed | 2026-07-02 |
| 2026-05-27 | DPR | Damaged Tree – Tree Alive - in Poor Condition | Closed | 2026-06-10 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-04; data as of 2026-11-04
Nearby properties
On Ave U
- 816 Avenue U (seven open items)
- 819 Avenue U (36 open items)
- 815 Avenue U (eight open items)
- 813 Avenue U (six open items)
- 823 Avenue U (20 open items)
- 811 Avenue U
- 824 Avenue U (32 open items)
- 809 Avenue U (45 open items)
- 807 Avenue U (12 open items)
- 805 Avenue U (10 open items)
Same tax block (7111)
- 2005 East 8th Street (58 open items)
- 812 Avenue T (one open item)
- 814 Avenue T (19 open items)
- 816 Avenue T (19 open items)
- 818 Avenue T (six open items)
- 822 Avenue T
- 824 Avenue T
- 2018 East 9th Street
- 2022 East 9th Street (one open item)
- 2028 East 9th Street (31 open items)
All properties on Ave U, Brooklyn · All of Brooklyn 11223 (Gravesend (East)-Homecrest)
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs