THE CONDO BOOK PROJECT

Diamond Exchange Condominium

14 Maiden Lane, Manhattan, NY 10038

Overview

Units
9 residential · 9 storage · 1 commercial
Subway
1 min walk to Fulton St 2 3 4 5 A C J ZChambers St/WTC/Park Place/Cortlandt St 2 3 A C E R W, 2 min
Principals
Alex Wiederin
Average $/sf
$2,028Homes in Schedule A, as first offered
Common charges
$1,217–$1,580 a monthSponsor's first-year estimate in Schedule A, July 1, 2025 - June 30, 2026
Offering price
$27.2 million total $27.2 million when first offered

The sponsor of record is Diamond Lane LLC, represented by Augspach Law Pllc. The offering plan runs 412 pages. The sponsor has filed 1 amendment, the latest in January 2026. The nearest other condo plan on file is Broadway Arms Condominium, next door.

Plan CD240318 · Rehab · accepted Nov 6, 2025 · AG record ↗

Compare

FigureThis building132 Walker25 units · 0.8 miaccepted 202562-64 Reade36 units · 0.4 miaccepted 2023
Common ChargesPer Square Foot / Month$0.96In line$1.74$0.64
Average Offering PricePer Apartment$2.71MLowest$9.65M$7.13M
Average PricePer Square Foot$2,028Lowest$2,935$2,496
Property TaxesPer Square Foot / Month$1.44In line$1.18$1.44
Average Unit SizeSquare Feet1,339 SFSmallest3,403 SF2,854 SF

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Unit mix, closings, budgets, finishes and the team, against 32 Walker and 62-64 Reade, 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.

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
Diamond Lane LLC
Principals
Alex Wiederin
Counsel
Augspach Law Pllc
Tax estimate
Stan RussoPrepared the first-year real estate tax projection

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

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