21 Nostrand Avenue, Brooklyn, NY 11206

21 Nostrand Avenue, Brooklyn, NY 11206 is a 6-story elevator apartment building, built in 1958, with 72 residential units, on a 616,250 sq ft lot. The city's 2027 market value is $59,074,000. City records list 141+ violations (3 open) and 2 mortgages for this lot.

1. 2027City market value set at $59,074,000
2. 2025Building altered
3. 1958Building completed

Address

21 Nostrand Avenue

Borough

Brooklyn

Zip code

11206

Block & lot

01719-0001

BBL

3017190001

Condo number

—

Community district

303

School district

14

Council district

36

Historic district

—

Owner

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

Property type

Elevator apartments (D6)

Square feet

822,192 sq ft

Building dimensions

Locked. Included in the full report.

Stories

6

Year built

1958

Year altered

2025

Residential units

72

Total units

73

Buildings on lot

16

Lot sq ft

616,250

Lot dimensions

725 ft x 850 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

$59,074,000

Tax year

2027

Last sale date

—

Last sale price

—

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· 82 people and companiesOwner of record is an individualOwner of record, deed owners, mailing address, registered officers and managing agent, permit applicants.
• Sales historyEvery priced sale on the lot, with unit and building class at the time of sale.
• Financials· 2 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· 100+ permitsBuilding permit filings, job types, status and estimated cost.
• DevelopmentZoning districts, residential, commercial and facility FAR, unused air rights.
• Violations· 141+ violations3 openOpen and closed housing and building violations with balances due.

When was 21 Nostrand Avenue built?

21 Nostrand Avenue was built in 1958 and altered in 2025, according to the city's lot file.

How many units does 21 Nostrand Avenue have?

21 Nostrand Avenue has 73 units, 72 of them residential across 6 stories.

What is 21 Nostrand Avenue worth?

The city's 2027 market value for 21 Nostrand Avenue is $59,074,000. That is the city's assessment estimate, not an appraisal or an asking price.

Who owns 21 Nostrand Avenue?

Create a free Hercules account to see the owner of record for 21 Nostrand Avenue. The full report adds the deed owners, the mailing address and the people named on the building's registrations.

• 597 Flushing AvenueMixed residence and store (S4) · 4,350 sq ft
• 591 Flushing AvenueElevator apartments (D1) · 11,425 sq ft
• 589 Flushing AvenueElevator apartments (D1) · 11,325 sq ft
• 587 Flushing AvenueElevator apartments (D1) · 11,340 sq ft
• 571 Flushing AvenueElevator apartments (D9) · 22,500 sq ft
• 567 Flushing AvenueElevator apartments (D9) · 22,500 sq ft
• 563 Flushing AvenueElevator apartments (D7) · 21,112 sq ft
• 585 Flushing AvenueCondominium (R1) · 3,503 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: Not available in this preview

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