673 Knickerbocker Ave, Brooklyn, NY 11221 Property Records

New York City property record for 673 Knickerbocker Ave, Brooklyn, NY 11221 · Last verified June 2026

Property Highlights

Property Type	Residential > Multi-Unit > Triplex
Architecture Style	Triplex
Year Built	Built 1910
Square Footage	3,600 sqft Living Area
Lot Size	1,900 sqft (0.044 acres)
Last Sale	$1,700,000 (2024)
Tax Bill	$5,137.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`03378-0006`
Alternative APNs	`1107033780006` `3-03378-0006`

Interior

Units	6 Units
Building Area	3,600 sqft Living Area
1st Floor	1,200 sqft 1st Floor
Stories	3 Stories

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Architectural Style	Triplex Style
Lot Area	1,900 sqft (0.044 acres)
Depth X Width	95 ft x 20 ft Depth x Width

Location & Zoning

Account Number	3-03378-0006
Street Address	673 KNICKERBOCKER AVE
City	BROOKLYN
State	NY
Zip	11221-5364
Property Usage	Residential Property Usage
Type	Residential > Multi-Unit > Triplex
Legal Block	3378
Legal Lot Number	6
Jurisdiction	KINGS (BROOKLYN) NY
Minor Civil Division	BROOKLYN
Census Blockgroup	1
Census Block	1001
Census Tract	43500

Owner

Source: New York City records · APN 03378-0006

Assessment roll updated May 4, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	673 KNICKERBOCKER AVE, BROOKLYN, NY 11221-5364
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 01, 2024 · Amount on Record
Deed Sale	Aug 01, 2024 · Amount on Record
Deed Doc Number	2024197916
Prior Transfer Date	Jul 13, 2001
Record Refreshed	Sep 20, 2026

Tax Assessment & Valuation

Source: New York City records · Assessment roll updated May 4, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	New York
County	Kings County
Municipality	New York City
Unified School District	New York City Department Of Education (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$101,940 (+16.21%) Land $8,700 Building $93,240	$1,699,000 (+16.21%) Land $145,000 Building $1,554,000
2025	$5,137.00 (+7.07%)
2023	$4,798.00	$87,720 Land $8,700 Building $79,020	$1,462,000 Land $145,000 Building $1,317,000