634 Dean St, Brooklyn, NY 11238 Property Records

New York City property record for 634 Dean St, Brooklyn, NY 11238

Property Summary

Property Type	Commercial Office
Details	6,540 sqft · built 1930
Lot Size	0.076 acres (3,300 sqft)
Owner	Company Name on File
Last Sale	$2,650,000 (Jul 2014)
Tax Bill	$74,948 (2025)
Deeds & Mortgages	Nov 2025 Mortgage Jan 2021 Mortgage + 2 more
APN	`01137-0035`

Property Details

APN / Parcel Number

Primary APN	`01137-0035`
Alternative APNs	`0407011370035` `3-01137-0035`

Interior

Units	4 Units
Stories	2 Stories
Building Area	6,540 sqft Gross Area
1st Floor Area	3,300 sqft
Office	4,950 sqft

Exterior

Year Built	Built 1930
Effective Year Built	Effective 1930
Lot Area	3,300 sqft (0.076 acres)
Lot Dimensions	110 ft deep x 30 ft wide

Location & Zoning

Account Number	3-01137-0035
Street Address	634 DEAN ST
City	BROOKLYN
State	NY
Zip	11238-3009
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Local Zoning Code	M1-1
Legal Block	1137
Legal Lot Number	35
Jurisdiction	KINGS (BROOKLYN) NY
Township / Civil Division	BROOKLYN
Census Block Group	2
Census Block	2001
Census Tract	16300

Historic Designation

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

Historic District	Within the Prospect Heights Historic District (Boundary Increase) listed 2016 · 610 contributing resources · NRIS 16000018

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

Owner

634 Dean St, a commercial property, is owned by a company that bought it in July 2014.

Source: New York City records, as of May 4, 2026

Owner of Record	Company Name on File
Mailing Address	634 DEAN ST, 1, BROOKLYN, NY 11238-3009
Owner Type	Company
Vesting	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Nov 19, 2025	Deed of Trust, Mortgage WEBSTER BANK, NATIONAL ASSOCIATION
Jan 21, 2021	Deed of Trust, Mortgage SIGNATURE BANK
May 16, 2019	Deed of Trust, Mortgage SIGNATURE BANK
Jan 15, 2021	Loan Modification, Mortgage SIGNATURE BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 24, 2014 · Amount on File
Deed Sale	Jul 24, 2014 · Amount on File
Prior Sale	Jul 12, 1995 · Amount on File
Deed Document Number	2014245828
Prior Transfer Date	Mar 10, 2014
Prior Transfer Doc	0000164384
Record Updated	Oct 29, 2026

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	634 DEAN ST, BROOKLYN, NY 11238-3009
Transaction Type	Mortgage
Record Updated	Nov 25, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000313559
Date	Nov 19, 2025
Instrument	2025000313559

Lender

Name	WEBSTER BANK, NATIONAL ASSOCIATION
Address	200 EXECUTIVE BLVD, SOUTHINGTON, CT 06489

Agreement

Amount	Amount on Record

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	634 DEAN ST, BROOKLYN, NY 11238-3009
Transaction Type	Mortgage
Record Updated	Feb 7, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000025392
Date	Jan 21, 2021
Instrument	2021000025392

Lender

Name	SIGNATURE BANK
Address	565 5TH AVE, NEW YORK, NY 10017

Agreement

Amount	Amount on Record

May 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	634 DEAN ST, BROOKLYN, NY 11238-3009
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	634 DEAN ST, BROOKLYN, NY 11238-3009

Mortgage

Document Number	0000155589
Date	May 16, 2019
Instrument	2019000155589

Lender

Name	SIGNATURE BANK
Type	Bank
Address	565 5TH AVE, NEW YORK, NY 10017

Agreement

Amount	Amount on Record

January 2021: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	KINGS (BROOKLYN) NY
Property Address	634 DEAN ST, BROOKLYN, NY 11238-3009
Document Number	0000025393
Instrument Date	Jan 15, 2021
Transaction Type	Mortgage
Record Updated	Feb 2, 2021
Title Company	COASTAL LAND TITLE, COASTAL LAND SVCE. INC.

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	634 DEAN ST BROOKLYN NY 112383009, BROOKLYN, NY 11238-3009

Mortgage

Document Number	0000025393
Date	Jan 21, 2021
Instrument	25393

Lender

Name	SIGNATURE BK
Type	Bank
Address	565 5TH AVE, NEW YORK, NY 10017-2413

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 634 Dean St was $74,948.

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		$868,500 Land $29,700 Building $838,800	$1,930,000 Land $66,000 Building $1,864,000
2025	$74,948.00
2023	$62,735.00	$744,300 Land $29,700 Building $714,600	$1,654,000 Land $66,000 Building $1,588,000

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

FEMA has no flood map on file for 634 Dean St; there have been 1 flood claim nearby since 2023.

Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Not on file
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (2023)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Sep 2023 · Severe Storm And Flooding

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

The area around 634 Dean St has no burnable land within ember reach, so its wildfire risk is not rated.

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 1,403 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
T-Mobile Fixed Wireless	100 / 20

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

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