# 173 Avenue U, Gravesend (East)-Homecrest, Brooklyn, NY 11223

BBL 3070990042 · Block 7099 · Lot 42 · BIN 3191149  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/173-avenue-u-3070990042  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-10

## Summary

173 Avenue U (Brooklyn, NY 11223; tax lot BBL 3070990042) is a 5-unit mixed-use building with apartments and ground-floor commercial space (building class S5: mixed-use: five- or six-family home with one store or office), built around 1931, on a 1,600 sq ft lot zoned R5B. City tax records list the owner as 173 AVENUE U REALTY, LLC. The Department of Finance's final market value for tax year 2027 is $852,000. As of November 10, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows no open DOB jobs, active DOB or DOB NOW safety violations, active ECB violations, open HPD violations or unpaid OATH tickets for this lot. There were four 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.)

How to cite: NYC Property Facts, “173 Avenue U, Brooklyn, NY 11223 (BBL 3070990042)”, data as of 2026-11-10, https://nycpropertyfacts.com/ny/brooklyn/173-avenue-u-3070990042. Source: NYC Open Data.

## Neighborhood

Gravesend (East)-Homecrest: https://nycpropertyfacts.com/ny/brooklyn/11223

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11223/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11223/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11223/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11223/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11223/unpaid-oath-tickets

## ZIP

Brooklyn 11223: https://nycpropertyfacts.com/ny/brooklyn/11223

## Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

- 171 Avenue U (19 ft): https://nycpropertyfacts.com/ny/brooklyn/171-avenue-u-3070990043
- 177 Avenue U (20 ft): https://nycpropertyfacts.com/ny/brooklyn/177-avenue-u-3070990041
- 169 Avenue U (39 ft): https://nycpropertyfacts.com/ny/brooklyn/169-avenue-u-3070990044
- 179 Avenue U (41 ft): https://nycpropertyfacts.com/ny/brooklyn/179-avenue-u-3070990040
- 167 Avenue U (58 ft): https://nycpropertyfacts.com/ny/brooklyn/167-avenue-u-3070990045
- 165 Avenue U (80 ft): https://nycpropertyfacts.com/ny/brooklyn/165-avenue-u-3070990046
- 2080 West 6th Street (53 ft): https://nycpropertyfacts.com/ny/brooklyn/2080-west-6th-street-3070990039
- 2076 West 6th Street (79 ft): https://nycpropertyfacts.com/ny/brooklyn/2076-west-6th-street-3070990037

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations (BIS) | 0 |
| Active DOB safety violations (DOB NOW) | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 0 |
| Active vacate orders | 0 |

## Lot & building

- Owner of record: 173 AVENUE U REALTY, LLC
- Building class: S5 – Mixed-use: five- or six-family home with one store or office
- Year built: 1931
- Floors: 3
- Units: 5 residential / 6 total
- Lot area: 1,600 sq ft · Building area: 3,000 sq ft
- Zoning: R5B, C2-3
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-12

## Tax assessment

- Tax year 2027 (final roll): market value $852,000, assessed value $383,400, tax class 2A
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 2024-03-01 | recorded (DEED) | DEED dated 2024-03-01 from 173 AVENUE U, LLC to 173 AVENUE U REALTY, LLC, no price stated ($0). | bnx9-e6tj |
| 1997-06-18 | recorded (DEED) | DEED dated 1997-06-18 from CARTER, SANTO; CARTUSCIELLO, JAMESV; CARTER, ALFRED N to 173 AVENUE U, LLC, no price stated ($0). | bnx9-e6tj |
| 1997-05-07 | recorded (DEED) | DEED dated 1997-05-07 from CARTUSCIELLO REALTYCORP to CARTER, SANTO; CARTUSCIELLO, JAMESV.; CARTER, ALFRED N., no price stated ($0). | bnx9-e6tj |
| 1984-09-06 | recorded (DEED) | DEED dated 1984-09-06 from CATER, JAMES V to CARTUSCIELLO REALTYCORP, no price stated ($0). | bnx9-e6tj |
| 1979-03-06 | recorded (DEED) | DEED dated 1979-03-06 from MAURO NICHOLAS; MAURO IDA to CARTER JAMES V, no price stated ($0). | bnx9-e6tj |
| 1972-06-30 | recorded (DEED) | DEED dated 1972-06-30 from STABILE JOSEPH; STABILE GIUSEPPE to MAURO IDA; MAURO NICHOLAS, no price stated ($0). | bnx9-e6tj |
| 1971-12-06 | recorded (DEED) | DEED dated 1971-12-06 from CIANCI JOSEPH to STABILE JOSEPH; STABILE GIUSEPPE, no price stated ($0). | bnx9-e6tj |
| 1969-08-07 | recorded (DEED) | DEED dated 1969-08-07 from PIAZZA JOSEPH to CIANCI JOSEPH, no price stated ($0). | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-04-28 | n/a (Signed-off) | DOB NOW work permit for job B01193246-S1: Plumbing — SUBSEQUENT PLUMBING APPLICATION IN CONJUNCTION WITH APPROVED MS # B01193246-I1. Issued 2025-04-28, expires 2026-04-06. | rbx6-tga4 |
| 2025-04-28 | n/a (Signed-off) | DOB NOW work permit for job B01193246-S1: Plumbing — SUBSEQUENT PLUMBING APPLICATION IN CONJUNCTION WITH APPROVED MS # B01193246-I1. Issued 2025-04-28, expires 2026-04-06. | rbx6-tga4 |
| 2025-03-31 | n/a (Signed-off) | DOB NOW work permit for job B01193246-I1: Mechanical Systems — Filing to install Take out food Restaurant Kitchen new hood, make up air and ductwork as per plans. No change in use, egress, or occupancy.. Issued 2025-03-31, expires 2026-03-31. | rbx6-tga4 |
| 2025-03-31 | n/a (Signed-off) | DOB NOW work permit for job B01193246-I1: Mechanical Systems — Filing to install Take out food Restaurant Kitchen new hood, make up air and ductwork as per plans. No change in use, egress, or occupancy.. Issued 2025-03-31, expires 2026-03-31. | rbx6-tga4 |

## Open violations (DOB, DOB NOW safety, ECB, HPD)

status "open" = DOB violation category is ACTIVE, DOB NOW safety violation status is Active, ECB violation status is ACTIVE, or HPD violation status is Open. Dismissed, cured, waived and disputed-successfully safety violations are not open.

No records found.

## DOB safety violations (DOB NOW)

Active means the published violation status is Active. Dismissed, cured, waived, disputed successfully and pending dismissal are not open items.

No records found.

Source: DOB Safety Violations (DOB NOW) (https://data.cityofnewyork.us/Building/DOB-Safety-Violations/855j-jady), city dataset updated 2026-11-11; last loaded 2026-11-11

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

No records found.

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-04-30 | closed (Closed) | 311 request to DCWP: Consumer Complaint – Restaurant. | erm2-nwe9 |
| 2026-04-20 | closed (Closed) | 311 request to DOHMH: Food Establishment – Bare Hands in Contact w/ Food. | erm2-nwe9 |
| 2026-04-09 | closed (Closed) | 311 request to DOHMH: Food Establishment – Bare Hands in Contact w/ Food. | erm2-nwe9 |
| 2026-02-24 | closed (Closed) | 311 request to DPR: Damaged Tree – Branch or Limb Has Fallen Down. | erm2-nwe9 |

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as 173 AVENUE U REALTY, LLC. | 64uk-42ks |
| 2024-03-01 | recorded | Grantee (buyer) on the most recent deed (DEED, 2024-03-01). | 636b-3b5g |
| 2026-09-20 | current_registration | HPD registration contact: Officer Robert Mazzuchin, business city Brooklyn. | feu5-w2e2 |
| 2026-09-20 | current_registration | HPD registration contact: HeadOfficer Robert Mazzuchin, business city Brooklyn. | feu5-w2e2 |
| 2026-09-20 | current_registration | HPD registration contact: CorporateOwner (173 AVENUE U REALTY LLC), business city Brooklyn. | feu5-w2e2 |
| 2026-09-20 | current_registration | HPD registration contact: Shareholder Robert Mazzuchin, business city Brooklyn. | feu5-w2e2 |
| 2026-09-20 | current_registration | HPD registration contact: Agent Robert Mazzuchin, business city Brooklyn. | feu5-w2e2 |
| 2026-09-20 | current_registration | HPD registration contact: Shareholder Anna Mazzuchin, business city Brooklyn. | feu5-w2e2 |
| 2026-09-20 | current_registration | HPD registration contact: SiteManager Robert Mazzuchin. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3070990042