THE CONDO BOOK PROJECT

520 Park Avenue Condominium

520 Park Avenue, Manhattan, NY 10022

Overview

Units
32 residential · 15 storage
Subway
3 min walk to 5 Av/59 St N R WLexington Av/59 St 4 5 6 N R W, 3 min
Principals
Samuel Kellner, Arthur W. Zeckendorf, William Lie Zeckendorf, Rafael Nasser
Common charges
$1,993–$21,911 a monthSponsor's first-year estimate in Schedule A
Offering price
$1267 million total $1220.3 million when first offered

The sponsor of record is 41-45 Property Owner LLC, represented by Starr Associates LLP. The offering plan runs 473 pages. The sponsor has filed 27 amendments, the latest in June 2025. The nearest other condo plan on file is 530 Park Avenue Condominium, next door.

Plan CD140047 · New · accepted Sep 16, 2014 · AG record ↗

Compare

FigureThis building120 East End243 units · 1.3 miaccepted 2014520 West 28th340 units · 1.9 miaccepted 2015
Average Offering PricePer Apartment$37.71MHighest$8.95M$10.21M

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Unit mix, closings, budgets, finishes and the team, against 20 East End and 520 West 28th, cited to the offering plans. No credit card required.

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How We Got This
  • Comps: the closest Manhattan 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 A32 of 32
Closing prices vs. Schedule A24 homes: $511,234,539 at closing against $554,704,000 in Schedule A (p. 45)−7.8%
Closingsfirst and latest recordedAug 30, 2018 – Nov 20, 2024

Sales recorded with the Department of Finance (ACRIS) through Mar 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 36 closings
HomeRecordedClosing priceSchedule ADifference
18Aug 30, 2018$16,905,950$17,300,000 p. 45−2.3%
22Sep 12, 2018$20,000,000$18,950,000 p. 45+5.5%
36Oct 2, 2018$31,500,000$36,350,000 p. 45−13.3%
15Oct 19, 2018$15,089,419$16,400,000 p. 45−8%
30Nov 8, 2018$25,866,550$28,850,000 p. 45−10.3%
17Nov 12, 2018$16,702,300$16,950,000 p. 45−1.5%
23Nov 13, 2018$20,011,613$19,650,000 p. 45+1.8%
24Nov 14, 2018$23,000,000$20,850,000 p. 45+10.3%
DPH52Nov 15, 2018$62,000,000——
DPH60Nov 19, 2018$73,800,000——
34Nov 20, 2018$30,000,000$33,850,000 p. 45−11.4%
PH49Nov 27, 2018$30,000,000——
25Dec 3, 2018$21,029,863$22,350,000 p. 45−5.9%
14Dec 6, 2018$17,000,000$16,200,000 p. 45+4.9%
PH59Dec 13, 2018$30,100,000——
DPH56Dec 20, 2018$67,921,053——
16Jan 3, 2019$16,295,000$16,600,000 p. 45−1.8%
PH48Jan 7, 2019$32,396,000——
DPH54Jan 25, 2019$64,250,000——
PH51Feb 1, 2019$32,000,000——
33Jun 18, 2019$28,086,500$32,600,000 p. 45−13.8%
31Jun 26, 2019$26,000,000$30,100,000 p. 45−13.6%
35Jun 27, 2019$30,500,000$35,100,000 p. 45−13.1%
28Sep 10, 2019$23,500,000$26,350,000 p. 45−10.8%
27Mar 11, 2020$22,000,000$25,100,000 p. 45−12.4%
5BMay 1, 2020$4,447,346$4,354,000 p. 45+2.1%
20Oct 7, 2020$18,300,000$17,950,000 p. 45+1.9%
26Jan 22, 2021$20,000,000$23,850,000 p. 45−16.1%
29Sep 2, 2021$22,500,000$27,600,000 p. 45−18.5%
PH50Oct 7, 2021$36,000,000——
PH62Apr 18, 2022$35,215,875——
PH58Apr 19, 2022$32,667,000——
32Aug 4, 2022$27,000,000$31,350,000 p. 45−13.9%
19Sep 18, 2023$17,000,000$17,600,000 p. 45−3.4%
21Sep 13, 2024$18,500,000$18,450,000 p. 45+0.3%
DPH63Nov 20, 2024$78,964,000——

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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
41-45 Property Owner LLC
Principals
Samuel Kellner, Arthur W. Zeckendorf, William Lie Zeckendorf, Rafael Nasser
Tax estimate
Marcus & Pollack LLPPrepared the first-year real estate tax projection
Construction lender
Apple Bank for SavingsLender on the mortgage and building loan agreement recorded February 2013 in ACRIS; $71.5 million recorded

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

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