309 6 Avenue, Brooklyn, NY 11215

309 6 Avenue, Brooklyn, NY 11215 is a 4-story walk-up apartment building, built in 1940, with 4 residential units, on a 2,299 sq ft lot. The city's 2027 market value is $2,724,000. It last sold on 06/26/2026 for $2,635,000. City records list 8 violations, 5 mortgages and 1 sale for this lot.

1. 2027City market value set at $2,724,000
2. 06/26/2026Sold for $2,635,000
3. 1940Building completed

Address

309 6 Avenue

Borough

Brooklyn

Zip code

11215

Block & lot

00976-0007

BBL

3009760007

Condo number

—

Community district

306

School district

15

Council district

39

Historic district

—

Owner

Locked. Included in the full report.Unlock owner name for free

Property type

Walk-up apartments (C6)

Square feet

6,608 sq ft

Building dimensions

Locked. Included in the full report.

Stories

4

Year built

1940

Year altered

—

Residential units

4

Total units

4

Buildings on lot

1

Lot sq ft

2,299

Lot dimensions

24 ft x 98 ft

Zoning

Locked. Included in the full report.

FAR

Locked. Included in the full report.

Buildable area

Locked. Included in the full report.

Market value

$2,724,000

Tax year

2027

Last sale date

06/26/2026

Last sale price

$2,635,000

Tax amount

Locked. Included in the full report.

Loan amount

Locked. Included in the full report.

• Pre-foreclosureAny open foreclosure case on the lot: plaintiff, filing date, case type and court status.
• Owner & contacts· 9 people and companiesOwner of record is a companyOwner of record, deed owners, mailing address, registered officers and managing agent, permit applicants.
• Sales history· 1 saleEvery priced sale on the lot, with unit and building class at the time of sale.
• Financials· 5 mortgagesOpen mortgages, lenders, loan amounts, recording and maturity dates, estimated equity.
• Tax· 5 years of assessmentsAnnual tax bill, tax class and assessment history by roll year.
• Permits· 5 permitsBuilding permit filings, job types, status and estimated cost.
• DevelopmentZoning districts, residential, commercial and facility FAR, unused air rights.
• Violations· 8 violationsOpen and closed housing and building violations with balances due.

When was 309 6 Avenue built?

309 6 Avenue was built in 1940, according to the city's lot file.

How many units does 309 6 Avenue have?

309 6 Avenue has 4 units across 4 stories.

When did 309 6 Avenue last sell?

It last sold on 06/26/2026 for $2,635,000, according to the city's recorded sales.

What is 309 6 Avenue worth?

The city's 2027 market value for 309 6 Avenue is $2,724,000. That is the city's assessment estimate, not an appraisal or an asking price.

Who owns 309 6 Avenue?

Create a free Hercules account to see the owner of record for 309 6 Avenue. The full report adds the deed owners, the mailing address and the people named on the building's registrations.

• 267 6 AvenueTwo family dwelling (B9) · 7,200 sq ft
• 265 6 AvenueOne family dwelling (A5) · 3,306 sq ft
• 264 6 AvenueWalk-up apartments (C6) · 31,708 sq ft
• 385 1 StreetWalk-up apartments (C1) · 8,368 sq ft
• 381 1 StreetWalk-up apartments (C6) · 4,836 sq ft
• 379 1 StreetWalk-up apartments (C6) · 4,740 sq ft
• 375 1 StreetWalk-up apartments (C0) · 4,008 sq ft
• 373 1 StreetTwo family dwelling (B3) · 3,928 sq ft

City market value and tax year

Market value is the city's estimate for tax purposes. This is not a current sale price or an appraisal.

Valuation tax year: 2027

Recorded sale

Latest recorded sale date: 06/26/2026

Refresh dates are not available in this preview. The tax year and sale date describe the records, not when Hercules last refreshed them.

Product facts · Market value, assessed value and sale price explained