549 Knickerbocker Ave, Brooklyn, NY 11221 Property Records

New York City property record for 549 Knickerbocker Ave, Brooklyn, NY 11221 · Last verified May 2026

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	3,300 sqft · built 1931
Lot Size	0.037 acres (1,600 sqft)
Owner	Company Name on File
Last Sale	$645,000 (Jan 2013)
Tax Bill	$13,015 (2025)
Deeds & Mortgages	Mar 2018 Loan Modification
APN	`03335-0007`

Property Details

APN / Parcel Number

Primary APN	`03335-0007`
Alternative APNs	`1106033350007` `3-03335-0007`

Interior

Units	8 Units
Stories	3 Stories
Building Area	3,300 sqft Gross Area
1st Floor Area	1,100 sqft

Exterior

Year Built	Built 1931
Effective Year Built	Effective 1931
Lot Area	1,600 sqft (0.037 acres)
Lot Dimensions	80 ft deep x 20 ft wide

Location & Zoning

Account Number	3-03335-0007
Street Address	549 KNICKERBOCKER AVE
City	BROOKLYN
State	NY
Zip	11221-4709
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Legal Block	3335
Legal Lot Number	7
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	3
Census Block	3003
Census Tract	43300

Owner

Source: New York City records · APN 03335-0007

Assessment roll updated May 4, 2026 · Last verified May 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	549 KNICKERBOCKER AVE, BROOKLYN, NY 11221-4709
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jan 03, 2013 · Amount on Record
Deed Sale	Jan 03, 2013 · Amount on Record
Prior Sale	Oct 03, 2011 · Amount on Record
Deed Document Number	20132123
Prior Transfer Date	Sep 22, 1999
Record Updated	Jun 08, 2026

March 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	549 KNICKERBOCKER AVE, BROOKLYN, NY 11221-4709
Document Number	0000089763
Instrument Date	Mar 01, 2018
Transaction Type	Mortgage
Record Updated	Mar 23, 2018
Title Company	TITLE ASSOC. INC.

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	549 KNICKERBOCKER AVE BROOKLYN NY 112214709, BROOKLYN, NY 11221-4709

Mortgage

Document Number	0000089763
Date	Mar 15, 2018
Instrument	89763

Lender

Name	ABACUS FSB
Type	Federal Savings Bank
Address	NEW YORK, NY 10013

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	60 Months
Due	Mar 14, 2023

Tax Assessment & Valuation

Source: New York City records · Assessment roll updated May 4, 2026 · Last verified May 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		$71,340 (-0.59%) Land $21,120 Building $50,220	$1,189,000 (-0.59%) Land $352,000 Building $837,000
2025	$13,015.00 (+4.03%)
2023	$12,511.00	$71,760 Land $21,120 Building $50,640	$1,196,000 Land $352,000 Building $844,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 360470433003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Not on file
Nearby Flood Policies	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 1,574 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Verizon	Fiber	2,300 / 2,300
Optimum Communications	Cable	940 / 35
T-Mobile USA	Fixed Wireless	100 / 20
Starlink	Satellite (low-earth orbit)	280 / 30

May also be available at this address: Optimum Communications, Verizon, Spectrum, Starry. Availability varies by address; speeds are provider-advertised maximums, not measured.