# 421 77th Street, Brooklyn, NY 11209

BBL 3059510077 · Block 5951 · Lot 77 · BIN 3149288  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/421-77th-street-3059510077  
Last updated: 2026-10-31 · Open-item counts as of 2026-11-08

## Summary

421 77th Street (Brooklyn, NY 11209; tax lot BBL 3059510077) is a two-family home (building class B1: two-family home, brick), built around 1899, on a 2,000 sq ft lot zoned R5B. City tax records list the owner as OHM, MINHO; per ACRIS, a deed to this owner dated August 28, 2018 lists a price of $1,350,000. The Department of Finance's final market value for tax year 2027 is $2,003,000. As of November 8, 2026, NYC Open Data shows no open DOB jobs, active DOB/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, “421 77th Street, Brooklyn, NY 11209 (BBL 3059510077)”, data as of 2026-11-08, https://nycpropertyfacts.com/ny/brooklyn/421-77th-street-3059510077. Source: NYC Open Data.

## Neighborhood

Bay Ridge: https://nycpropertyfacts.com/ny/brooklyn/11209

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/11209/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/11209/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/11209/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/11209/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/11209/unpaid-oath-tickets

## ZIP

Brooklyn 11209: https://nycpropertyfacts.com/ny/brooklyn/11209

## Nearby properties

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

- 423 77th Street (20 ft): https://nycpropertyfacts.com/ny/brooklyn/423-77th-street-3059510076
- 419 77th Street (21 ft): https://nycpropertyfacts.com/ny/brooklyn/419-77th-street-3059510078
- 417 77th Street (40 ft): https://nycpropertyfacts.com/ny/brooklyn/417-77th-street-3059510079
- 425 77th Street (40 ft): https://nycpropertyfacts.com/ny/brooklyn/425-77th-street-3059510075
- 427 77th Street (60 ft): https://nycpropertyfacts.com/ny/brooklyn/427-77th-street-3059510074
- 415 77th Street (63 ft): https://nycpropertyfacts.com/ny/brooklyn/415-77th-street-3059510080

## Open items

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

## Lot & building

- Owner of record: OHM, MINHO
- Building class: B1 – Two-family home, brick
- Year built: 1899
- Floors: 3
- Units: 2 residential / 2 total
- Lot area: 2,000 sq ft · Building area: 3,000 sq ft
- Zoning: R5B, BR
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), city dataset updated 2026-08-24; last loaded 2026-11-08

## Tax assessment

- Tax year 2027 (final roll): market value $2,003,000, assessed value $120,180, 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.

| Date | Status | Description | Source |
|---|---|---|---|
| 2018-08-28 | recorded (DEED) | DEED dated 2018-08-28 from KATHLEEN DEVOY ALTAMURA, AS EXECUTOR; ESTATE OF MARION SINNOTT; KATHLEEN ALTAMURA, AS EXECUTOR; ESTATE OF MARION ANNE SINNOTT; ESTATE OF MARION A. SINNOTT to OHM, MINHO; OHM, PEARL SUN KYOUNG, stated price $1,350,000. | bnx9-e6tj |
| 1994-11-02 | recorded (DEED) | DEED dated 1994-11-02 from HAYES, PATRICIA S to SINNOTT, MARION, no price stated ($0). | bnx9-e6tj |
| 1994-10-24 | recorded (DEED) | DEED dated 1994-10-24 from SINNOTT, EDWARD F; HAYES, PATRICIA S/EX; SINNOTT, EDWARD/EX OF to SINNOTT, MARION; HAYES, PATRICIA S, 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 |
|---|---|---|---|
| 2020-11-25 | n/a (ISSUED (renewal)) | BIS work permit for job 321916129: Plumbing / Plumbing. Issued 2020-11-25, expires 2021-11-25. | ipu4-2q9a |
| 2019-02-25 | n/a (ISSUED (initial)) | BIS work permit for job 321916129: Plumbing / Plumbing. Issued 2019-02-25, expires 2020-02-25. | ipu4-2q9a |
| 2019-02-15 | n/a (ISSUED (initial)) | BIS work permit for job 321916129: Alteration. Issued 2019-02-15, expires 2019-11-17. | ipu4-2q9a |

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

No records found.

## 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 OHM, MINHO. | 64uk-42ks |
| 2018-08-28 | recorded | Grantee (buyer) on the most recent deed (DEED, 2018-08-28). | 636b-3b5g |
| 2018-08-28 | recorded | Grantee (buyer) on the most recent deed (DEED, 2018-08-28). | 636b-3b5g |

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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/3059510077