THE CONDO BOOK PROJECT

900 Knickerbocker Condominium

900 Knickerbocker Avenue, Brooklyn, NY 11207

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Overview

Units
6 residential
Subway
4 min walk to Wilson Av LHalsey St L, 8 min
Principals
Yaniv Nasimi
Average $/sf
$1,070Homes in Schedule A, as first offered
Common charges
$262–$579 a monthSponsor's first-year estimate in Schedule A, July 1, 2024 - June 30, 2025
Offering price
$4.13 million total

The sponsor of record is 249 Cooper LLC, represented by Law Office Of Hershy Itzkowitz, P.C.. The offering plan runs 336 pages. The sponsor has filed 2 amendments, the latest in May 2025. The nearest other condo plan on file is Row House Condominium, next door.

Plan CD230120 · New · accepted Jan 4, 2024 · AG record ↗

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FigureThis building11222 Putnam27 units · 0.6 miaccepted 2023Macon On The Park Condominium I37 units · 0.9 miaccepted 2024
Common ChargesPer Square Foot / Month$0.63In line$0.63$0.43
Average Offering PricePer Apartment$687,500Below peers$707,714$755,714
Average PricePer Square Foot$1,070Below peers$1,113$1,144
Property TaxesPer Square Foot / Month$0.53Lowest$0.73$0.93
Average Unit SizeSquare Feet643 SFIn line636 SF660 SF

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Unit mix, closings, budgets, finishes and the team, against 1222 Putnam and Macon On The Park Condominium I, cited to the offering plans. No credit card required.

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How We Got This
  • Comps: the closest Brooklyn plans on size, $/SF and launch date, within 2 miles when possible.
  • Figures: each building's own offering plan, filed with the NY Attorney General. Nothing is estimated.
  • Checked: a price list publishes only when its math adds up, and building pages cite the plan pages.
  • Labels: In line is between the comps; Below/Above peers is past both by up to 15%; Lowest/Highest by more.

Closings Pro

Homes closed83% of the homes in Schedule A5 of 6
Closing prices vs. Schedule A5 homes: $3,389,000 at closing against $3,600,000 in Schedule A (p. 37)−5.9%
Average closing price5 homes, on their Schedule A square feet$1,006 / SF
Closingsfirst and latest recordedJul 25, 2024 – Oct 22, 2025

Sales recorded with the Department of Finance (ACRIS) through Aug 31, 2026: deeds, or transfer tax filings for a building on leased land, of $10,000 or more. A home's first sale since the plan was filed is the sponsor's closing; resales aren't counted. Closing prices are compared with the same home's Schedule A price, as first offered; a deed covering more than one home isn't compared. Amendments often change prices before a home closes, and a deed that includes parking or storage counts its full price. ACRIS records a sale weeks after closing, so recent contracts don't appear yet. Every building's sales.

All 5 closings
HomeRecordedClosing priceSchedule ADifference
1BJul 25, 2024$600,000$650,000 p. 37−7.7%
3BJul 31, 2024$899,000$950,000 p. 37−5.4%
2AAug 19, 2024$485,000$500,000 p. 37−3%
3AOct 28, 2024$860,000$950,000 p. 37−9.5%
1AOct 22, 2025$545,000$550,000 p. 37−0.9%

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Every home's recorded closing price against its Schedule A price, with the ACRIS document and the plan page.

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Budget

From our research: The Sponsor's Condo-Creation Fee in NYC · NYC Condo Insurance Costs Are Rising · Condo Supplies Cost per Unit, by Size

Team

Sponsor
249 Cooper LLC
Principals
Yaniv Nasimi
Tax estimate
Metropolitan Realty ExemptionsPrepared the first-year real estate tax projection
Construction lender
Quanta Finance$1.9 million recorded

From our research: Do NYC Developers Rehire the Same Firms?

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