307 Knickerbocker Ave, Brooklyn, NY 11237 Property Records

New York City property record for 307 Knickerbocker Ave, Brooklyn, NY 11237

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	6,500 sqft · built 1931
Lot Size	0.057 acres (2,500 sqft)
Owner	Company Name on Record
Last Sale	$1,450,000 (Jun 2013)
Tax Bill	$23,138 (2025)
Deeds & Mortgages	Oct 2019 Mortgage Nov 2019 Loan Modification
APN	`03220-0002`

Property Details

APN / Parcel Number

Primary APN	`03220-0002`
Alternative APNs	`1103032200002` `3-03220-0002`

Interior

Units	14 Units
Stories	4 Stories
Building Area	6,500 sqft Gross Area
1st Floor Area	1,625 sqft

Exterior

Year Built	Built 1931
Effective Year Built	Effective 1931
Lot Area	2,500 sqft (0.057 acres)
Lot Dimensions	100 ft deep x 25 ft wide

Location & Zoning

Account Number	3-03220-0002
Street Address	307 KNICKERBOCKER AVE
City	BROOKLYN
State	NY
Zip	11237-8027
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Local Zoning Code	R6
Legal Block	3220
Legal Lot Number	2
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	2
Census Block	2000
Census Tract	42900

Owner

Source: New York City records, as of May 4, 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 Record
Mailing Address	5752 49TH PL, MASPETH, NY 11378-2113
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Oct 11, 2019	Deed of Trust, Mortgage SANTANDER BK NA
Nov 8, 2019	Loan Modification, Mortgage · Line of Credit SANTANDER BK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 3, 2013 · Amount on Record
Deed Sale	Jun 3, 2013 · Amount on Record
Prior Sale	Oct 4, 1993
Deed Document Number	2013218736
Record Updated	Oct 29, 2026

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	307 KNICKERBOCKER AVE, BROOKLYN, NY 11237-8027
Document Number	0000365881
Instrument Date	Oct 11, 2019
Transaction Type	Mortgage
Record Updated	Nov 20, 2019
Title Company	SELECT LAND SERVICES LLC, SELECT LAND SVCS LLC

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5752 49TH PL MASPETH NY 113782113, MASPETH, NY 11378-2113

Mortgage

Document Number	0000365881
Date	Nov 8, 2019
Instrument	365881

Lender

Name	SANTANDER BK NA
Type	Bank
Address	200 LIBERTY ST # 17TH, NEW YORK, NY 10281-1003

Agreement

Amount	Amount Recorded

November 2019: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Nov 8, 2019
Property Address	307 KNICKERBOCKER AVE, BROOKLYN, NY 11237-8027
Instrument Date	Oct 11, 2019
Instrument	365882
Transaction Type	Mortgage
Record Updated	Nov 20, 2019
Title Company	SELECT LAND SERVICES LLC, SELECT LAND SVCS LLC

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5752 49TH PL MASPETH NY 113782113, MASPETH, NY 11378-2113

Mortgage

Document Number	0000365882
Date	Nov 8, 2019
Instrument	365882

Lender

Name	SANTANDER BK NA
Type	Bank
Address	200 LIBERTY ST # 17TH, NEW YORK, NY 10281-1003

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: New York City assessment roll, as of May 4, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$436,950 (-14.82%) Land $10,350 Building $426,600	$971,000 (-14.82%) Land $23,000 Building $948,000
2025	$23,138.00 (+11.93%)
2023	$20,672.00	$513,000 Land $10,350 Building $502,650	$1,140,000 Land $23,000 Building $1,117,000

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.

Flood

Source: FEMA National Flood Hazard Layer

FEMA Flood Zone	Not on file

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	NEW YORK CITY SYSTEM serves 8,271,000 people · EPA ID NY7003493
Water Source	Surface water
Last State Inspection	Dec 2025
Lead	10 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Uncovered finished water reservoir currently in violation since Feb 2017
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 1,683 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Optimum Cable · Fiber in parts of the area	940 / 35

May also be available: Skywire Networks, Starry, T-Mobile.

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