442 Union St, Brooklyn, NY 11231 Property Records

New York City property record for 442 Union St, Brooklyn, NY 11231

Property Summary

Property Type	Duplex
Details	3,944 sqft · built 2014
Lot Size	0.047 acres (2,025 sqft)
Owner	2 Individual Names on Record
Last Sale	$4,200,000 (Oct 2021)
Tax Bill	$29,719 (2025)
Deeds & Mortgages	Dec 2021 Mortgage Oct 2021 Sale + 1 more
APN	`00437-0034`

Property Details

APN / Parcel Number

Primary APN	`00437-0034`
Alternative APNs	`0204004370034` `3-00437-0034`

Interior

Units	2 Units
Stories	4 Stories
Building Area	3,944 sqft Living Area
1st Floor Area	1,080 sqft

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2014
Architectural Style	Duplex Single
Construction Type	Frame
Lot Area	2,025 sqft (0.047 acres)
Lot Dimensions	100 ft deep x 20.3 ft wide

Location & Zoning

Account Number	3-00437-0034
Street Address	442 UNION ST
City	BROOKLYN
State	NY
Zip	11231-5023
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R6B
Legal Subdivision	ORSAMUS BUSHNELL
Legal Block	437
Legal Lot Number	34
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	3
Census Block	3003
Census Tract	7500

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Carroll Gardens Historic District listed 1983 · 134 contributing resources · NRIS 83001687

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

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	442 UNION ST, BROOKLYN, NY 11231-5023
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

Deeds, Mortgages & Sale History

Date	Document
Dec 14, 2021	Deed of Trust, Mortgage SILICON VALLEY BANK
Oct 5, 2021	Deed, Transfer
Jan 6, 2021	Deed, Transfer CITY NATIONAL BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 5, 2021 · Amount on Record
Deed Sale	Oct 5, 2021 · Amount on Record
Prior Sale	Jan 6, 2021 · Amount on Record
Deed Document Number	2021390664
Prior Transfer Date	Nov 12, 1993
Record Updated	Oct 29, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	442 UNION ST, BROOKLYN, NY 11231-5023
Transaction Type	Mortgage
Record Updated	Dec 21, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000490547
Date	Dec 14, 2021
Instrument	2021000490547

Lender

Name	SILICON VALLEY BANK
Address	3003 TASMAN DR, SANTA CLARA, CA 95054

Agreement

Amount	Amount Recorded

October 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Oct 5, 2021
Property Address	442 UNION ST, BROOKLYN, NY 11231-5023
Document Number	0000390664
Instrument Date	Sep 24, 2021
Instrument	2021000390664
Transaction Type	Transfer
Record Updated	Oct 12, 2021

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	442 UNION ST, 442, BROOKLYN, NY 11231-5023

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	442 UNION ST, BROOKLYN, NY 11231-5023

January 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	KINGS (BROOKLYN) NY
Recording Date	Jan 6, 2021
Property Address	442 UNION ST, BROOKLYN, NY 11231-5023
Document Number	0000004188
Instrument Date	Oct 16, 2020
Instrument	2021000004188
Transaction Type	Transfer
Record Updated	Jul 9, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	745 HOLLYHOCK ST, 745, PARK CITY, UT 84098-5579

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	442 UNION ST, BROOKLYN, NY 11231-5023

Mortgage

Document Number	0000004189
Date	Jan 6, 2021
Instrument	2021000004189

Lender

Name	CITY NATIONAL BANK

Agreement

Amount	Amount Recorded

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		$271,680 (+9.42%) Land $75,720 Building $195,960	$4,528,000 (+9.42%) Land $1,262,000 Building $3,266,000
2025	$29,719.00 (+6.8%)
2023	$27,826.00	$248,280 Land $75,720 Building $172,560	$4,138,000 Land $1,262,000 Building $2,876,000

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Not on file
Flood Insurance Cost	Premium on Record median of 12 policies
Nearby Flood Policies	12 in force
Nearby Flood Claims	5 (2012–2026)
Claims Outside the SFHA	4 of 5
Most Recent Claim	Aug 2026 · rainfall accumulation
Claims by Event	Hurricane Sandy, Oct 2012 · 3 claims

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.

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 703 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
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, Optimum, Skywire Networks, Starry.

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