NOT LISTED FOR SALE

817 Dekalb Ave Unit 817-2 New York, NY 11221

Bed-Stuy Neighborhood

Estimated Value: $911,000 - $1,267,000

-- Bed
-- Bath
1,542 Sq Ft
$739/Sq Ft Est. Value

About This Home

This home is located at 817 Dekalb Ave Unit 817-2, New York, NY 11221 and is currently estimated at $1,139,922, approximately $739 per square foot. 817 Dekalb Ave Unit 817-2 is a home located in Kings County with nearby schools including Brighter Choice Community School, Success Academy Charter School-NYC 9, and The Brooklyn Charter School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Mar 6, 2025
Sold by
Koelfgen Mark
Bought by
Koelfgen As Trustee Mark and The Mark Koelfgen Trust
Current Estimated Value
$1,139,922

Purchase Details

Closed on
Aug 9, 2016
Sold by
Garbo Realty Group Inc
Bought by
Koelfgen Mark
Source: Public Records

Range of Values:

Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

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ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

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First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

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Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Koelfgen As Trustee Mark -- --
Koelfgen Mark $1,017,232 --
Source: Public Records

Tax History Compared to Growth

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $14,524 $139,399 $33,534 $105,865
2024 $14,524 $116,177 $33,534 $82,643
2023 $15,682 $145,221 $33,534 $111,687
2022 $12,445 $142,706 $33,534 $109,172
2021 $11,553 $114,156 $33,534 $80,622
2019 $11,714 $118,953 $33,534 $85,419
2018 $13,258 $104,239 $26,511 $77,728
2017 $12,276 $96,518 $28,399 $68,119
Source: Public Records

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