# 309 Flagg Place, Tompkinsville-Stapleton-Clifton-Fox Hills, Staten Island, NY 10304

BBL 5008980010 · Block 898 · Lot 10 · BIN 5023102, 5170635  
Canonical page: https://nycpropertyfacts.com/ny/staten-island/309-flagg-place-5008980010  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-09

## Summary

309 Flagg Place (Staten Island, NY 10304; tax lot BBL 5008980010) is a one-family home (building class A3: one-family home (subtype A3)), built around 1921, on a 46,700 sq ft lot zoned R1-1. City tax records list the owner as THE MONTANTI FAMILY TRUST. The Department of Finance's final market value for tax year 2027 is $1,823,000. As of November 9, 2026, 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. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “309 Flagg Place, Staten Island, NY 10304 (BBL 5008980010)”, data as of 2026-11-09, https://nycpropertyfacts.com/ny/staten-island/309-flagg-place-5008980010. Source: NYC Open Data.

## Neighborhood

Tompkinsville-Stapleton-Clifton-Fox Hills: https://nycpropertyfacts.com/ny/staten-island/10304

- Open HPD violations: https://nycpropertyfacts.com/ny/staten-island/10304/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/staten-island/10304/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/staten-island/10304/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/staten-island/10304/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/staten-island/10304/unpaid-oath-tickets

## ZIP

Staten Island 10304: https://nycpropertyfacts.com/ny/staten-island/10304

## Nearby properties

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

- 303 Flagg Place (140 ft): https://nycpropertyfacts.com/ny/staten-island/303-flagg-place-5008980009
- 333 Flagg Place (167 ft): https://nycpropertyfacts.com/ny/staten-island/333-flagg-place-5008980016
- 308 Flagg Place (234 ft): https://nycpropertyfacts.com/ny/staten-island/308-flagg-place-5008970117
- 297 Flagg Place (236 ft): https://nycpropertyfacts.com/ny/staten-island/297-flagg-place-5008980005
- 322 Flagg Place (255 ft): https://nycpropertyfacts.com/ny/staten-island/322-flagg-place-5008970112
- 347 Flagg Place (264 ft): https://nycpropertyfacts.com/ny/staten-island/347-flagg-place-5008980020
- 361 Flagg Place (360 ft): https://nycpropertyfacts.com/ny/staten-island/361-flagg-place-5008980024
- Flagg Place (469 ft): https://nycpropertyfacts.com/ny/staten-island/flagg-place-5008980001

## 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 |

## Lot & building

- Owner of record: THE MONTANTI FAMILY TRUST
- Building class: A3 – One-family home (subtype A3)
- Year built: 1921
- Floors: 2.5
- Units: 1 residential / 1 total
- Lot area: 46,700 sq ft · Building area: 3,592 sq ft
- Zoning: R1-1, NA-1
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-09

## Tax assessment

- Tax year 2027 (final roll): market value $1,823,000, assessed value $109,380, tax class 1
- 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.

No records found.

## 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).

No records found.

## 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 2026-11-09; last loaded 2026-11-09

## 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.

No records found.

## 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 THE MONTANTI FAMILY TRUST. | 64uk-42ks |

---

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/5008980010