306 Cortelyou Rd, Brooklyn, NY 11218 Property Records

New York City property record for 306 Cortelyou Rd, Brooklyn, NY 11218

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	4,000 sqft · built 1910
Lot Size	0.046 acres (2,000 sqft)
Owner	2 Individual Names on Record
Tax Bill	$8,169 (2025)
Deeds & Mortgages	May 2019 Transfer Jan 2017 Transfer
APN	`05387-0001`

Property Details

APN / Parcel Number

Primary APN	`05387-0001`
Alternative APNs	`1609053870001` `3-05387-0001`

Interior

Units	4 Units
Stories	3 Stories
Building Area	4,000 sqft Gross Area
1st Floor Area	2,000 sqft

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1930
Lot Area	2,000 sqft (0.046 acres)
Lot Dimensions	100 ft deep x 20 ft wide
View / Lot	Corner

Location & Zoning

Account Number	3-05387-0001
Street Address	306 CORTELYOU RD
City	BROOKLYN
State	NY
Zip	11218-5060
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Local Zoning Code	R6A
Legal Block	5387
Legal Lot Number	1
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	3
Census Block	3001
Census Tract	49000

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	2 Individual Names on Record
Mailing Address	306 CORTELYOU RD, BROOKLYN, NY 11218-5060
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 23, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Jan 13, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Sep 1, 2017
Transfer Doc	0000163688
Record Updated	Jun 8, 2026

May 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	May 23, 2019
Property Address	306 CORTELYOU RD, BROOKLYN, NY 11218-5060
Document Number	0000163688
Instrument Date	Sep 1, 2017
Instrument	163688
Transaction Type	Transfer
Record Updated	Jun 4, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1964 GRAND CONCOURSE #5B BRONX NY 104574008, 5B, BRONX, NY 10457-4008

January 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Jan 13, 2017
Property Address	306 CORTELYOU RD, BROOKLYN, NY 11218-5060
Document Number	0000020543
Instrument Date	Jan 10, 2017
Instrument	20543
Transaction Type	Transfer
Record Updated	Jan 20, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Life Estate
Address	306 CORTELYOU RD BROOKLYN NY 112184924, BROOKLYN, NY 11218-4924

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		$443,700 (+16.96%) Land $85,500 Building $358,200	$986,000 (+16.96%) Land $190,000 Building $796,000
2025	$8,169.00 (+7.98%)	$379,350 (+20.26%) Land $85,500 Building $293,850	$843,000 (+20.26%) Land $190,000 Building $653,000
2024	$7,565.00 (+7.99%)
2023	$7,005.00	$315,450 Land $85,500 Building $229,950	$701,000 Land $190,000 Building $511,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

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 1,251 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Skywire Networks Fixed Wireless	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: Starry.

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