856 Knickerbocker Avenue, Brooklyn, NY 11207

856 Knickerbocker Avenue, Brooklyn, NY 11207 is a 3-story mixed residential and retail building, built in 1910, with 4 residential units, on a 2,250 sq ft lot. The city's 2027 market value is $1,070,000. It last sold on 04/30/2026 for $2,650,000. City records list 96 violations (26 open), 9 mortgages and 1 sale for this lot.

1. 2027City market value set at $1,070,000
2. 04/30/2026Sold for $2,650,000
3. 2004Building altered
4. 1910Building completed

Address

856 Knickerbocker Avenue

Borough

Brooklyn

Zip code

11207

Block & lot

03430-0027

BBL

3034300027

Condo number

—

Community district

304

School district

32

Council district

37

Historic district

—

Owner

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

Property type

Mixed residence and store (S4)

Square feet

5,250 sq ft

Building dimensions

Locked. Included in the full report.

Stories

3

Year built

1910

Year altered

2004

Residential units

4

Total units

5

Buildings on lot

1

Lot sq ft

2,250

Lot dimensions

25 ft x 90 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

$1,070,000

Tax year

2027

Last sale date

04/30/2026

Last sale price

$2,650,000

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· 16 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· 9 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· 12 permitsBuilding permit filings, job types, status and estimated cost.
• DevelopmentZoning districts, residential, commercial and facility FAR, unused air rights.
• Violations· 96 violations26 openOpen and closed housing and building violations with balances due.

When was 856 Knickerbocker Avenue built?

856 Knickerbocker Avenue was built in 1910 and altered in 2004, according to the city's lot file.

How many units does 856 Knickerbocker Avenue have?

856 Knickerbocker Avenue has 5 units, 4 of them residential across 3 stories.

When did 856 Knickerbocker Avenue last sell?

It last sold on 04/30/2026 for $2,650,000, according to the city's recorded sales.

What is 856 Knickerbocker Avenue worth?

The city's 2027 market value for 856 Knickerbocker Avenue is $1,070,000. That is the city's assessment estimate, not an appraisal or an asking price.

Who owns 856 Knickerbocker Avenue?

Create a free Hercules account to see the owner of record for 856 Knickerbocker Avenue. The full report adds the deed owners, the mailing address and the people named on the building's registrations.

• 803 Knickerbocker AvenueElevator apartments (D7) · 29,705 sq ft
• 290 Eldert StreetWalk-up apartments (C0) · 3,648 sq ft
• 814 Knickerbocker AvenueWalk-up apartments (C1) · 7,200 sq ft
• 816 Knickerbocker AvenueWalk-up apartments (C1) · 7,200 sq ft
• 818 Knickerbocker AvenueWalk-up apartments (C2) · 5,616 sq ft
• 820 Knickerbocker AvenueWalk-up apartments (C1) · 7,620 sq ft
• 822 Knickerbocker AvenueWalk-up apartments (C2) · 5,616 sq ft
• 824 Knickerbocker AvenueMixed residence and store (S5) · 5,540 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: 04/30/2026

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