THE CONDO BOOK PROJECT

489 Seventh Avenue Condominium

489 Seventh Avenue, Brooklyn, NY 11215

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Overview

Units
4 residential
Subway
8 min walk to 15 St-Prospect Park F G7 Av F G, 8 min
Principals
Stuart van Leenen, Jayson Halladay
Average $/sf
$1,997Homes in Schedule A, as first offered
Common charges
$447–$575 a monthSponsor's first-year estimate in Schedule A, January 1, 2026 - December 31, 2026
Offering price
$7.13 million total

The sponsor of record is 489 7th Ave LLC, represented by The Law Office Of Claudia V. Murdoch, P.C.. The offering plan runs 252 pages. The sponsor has filed 1 amendment, the latest in October 2025. The nearest other condo plan on file is 8 Windsor Place Condominium, next door.

Plan CD250096 · Rehab · accepted Aug 11, 2025 · AG record ↗

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FigureThis building1378 8th24 units · 0.5 miaccepted 2025300 5th34 units · 0.7 miaccepted 2025
Common ChargesPer Square Foot / Month$0.57In line$0.62$0.54
Average Offering PricePer Apartment$1.78MBelow peers$1.96M$1.99M
Average PricePer Square Foot$1,997Below peers$2,056$2,118
Property TaxesPer Square Foot / Month$0.37Lowest$0.56$0.46
Average Unit SizeSquare Feet892 SFSmaller955 SF938 SF

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Unit mix, closings, budgets, finishes and the team, against 378 8th and 300 5th, 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 closed100% of the homes in Schedule A4 of 4
Closing prices vs. Schedule A4 homes: $6,966,183 at closing against $7,128,000 in Schedule A (p. 31)−2.3%
Average closing price4 homes, on their Schedule A square feet$1,952 / SF
Closingsfirst and latest recordedApr 28, 2026 – May 13, 2026

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 4 closings
HomeRecordedClosing priceSchedule ADifference
4Apr 28, 2026$1,695,000$1,754,500 p. 31−3.4%
2Apr 29, 2026$1,522,284$1,644,500 p. 31−7.4%
3May 7, 2026$1,619,646$1,754,500 p. 31−7.7%
1May 13, 2026$2,129,254$1,974,500 p. 31+7.8%

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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
489 7th Ave LLC
Principals
Stuart van Leenen, Jayson Halladay
Tax estimate
MREPrepared the first-year real estate tax projection
Construction lender
Colorado Federal Savings BankLender on the mortgage and building loan agreement recorded June 2024 in ACRIS; $5.65 million recorded

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

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