THE CONDO BOOK PROJECT

800 5th Avenue Condominium

800 5th Avenue, Brooklyn, NY 11232

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Overview

Units
6 residential
Subway
7 min walk to 36 St D N R25 St R, 9 min
Principals
Quang T. Tran
Average $/sf
$648Homes in Schedule A, as first offered
Common charges
$284–$844 a monthSponsor's first-year estimate in Schedule A, From July 1, 2024 to June 30, 2025
Offering price
$2.4 million total

The sponsor of record is Qb & Son LLC, represented by Thomas E. Berinato, Attorney At Law. The offering plan runs 251 pages. The sponsor has filed 2 amendments, the latest in June 2026. The nearest other condo plan on file is 805 5th Avenue Condominium, next door.

Plan CD230189 · New · accepted Feb 16, 2024 · AG record ↗

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FigureThis building11251 43rd24 units · 1.3 miaccepted 20231335 63rd36 units · 2 miaccepted 2023
Common ChargesPer Square Foot / Month$0.64Highest$0.20$0.24
Average Offering PricePer Apartment$400,000Lowest$950,000$810,667
Average PricePer Square Foot$648In line$703$611
Property TaxesPer Square Foot / Month$0.90In line$1.01$0.07
Average Unit SizeSquare Feet618 SFSmallest1,352 SF1,327 SF

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Unit mix, closings, budgets, finishes and the team, against 1251 43rd and 1335 63rd, 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 closed50% of the homes in Schedule A3 of 6
Closing prices vs. Schedule A3 homes: $1,532,009 at closing against $1,100,000 in Schedule A (p. 26)+39.3%
Average closing price3 homes, on their Schedule A square feet$871 / SF
Closingsfirst and latest recordedApr 10, 2026 – May 8, 2026

Sales recorded with the Department of Finance (ACRIS) through May 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 3 closings
HomeRecordedClosing priceSchedule ADifference
4AApr 10, 2026$618,839$500,000 p. 26+23.8%
3BApr 23, 2026$463,170$300,000 p. 26+54.4%
2BMay 8, 2026$450,000$300,000 p. 26+50%

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Closings are for subscribers

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
Qb & Son LLC
Principals
Quang T. Tran
Tax estimate
Thomas E. BerinatoPrepared the first-year real estate tax projection

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

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