Diamond Exchange Condominium
14 Maiden Lane, Manhattan, NY 10038
Overview
Diamond Exchange is a 9-unit condo in Manhattan, with 9 storage units and 1 commercial unit.
- Offering plan: Accepted November 2025 · 412 pages · floor plans on page 4
- Finishes: Engineered wood floors, quartz kitchen countertops, a washer and dryer in each apartment, Hansgrohe bathroom fittings and ducted heat pumps for heating and cooling
- Prices: $2,029 a square foot on average, as first offered; $27.2 million in all ($27.2 million when first offered)
- Common charges: $1,217–$1,580 a month, the sponsor's first-year estimate
- Sponsor: Diamond Lane LLC, represented by Augspach Law Pllc; principals Alex Wiederin
- Subway: 1-minute walk to Fulton St (2, 3, 4, 5, A, C, J, Z); 2 minutes to Chambers St/WTC/Park Place/Cortlandt St (2, 3, A, C, E, R, W)
- Amendments: 1, the latest in January 2026
- 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
- $2,029Homes 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
- Floor plans
- Page 4 of the plan
- SubmittedJanuary 2026
- AcceptedNovember 2025
- 1 amendment
Units & Prices
First-Year Budget
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Property Taxes
The plan's first-year tax estimate, checked against the city's real bills.
Each home's estimate, city bills and tax breaksSee it free →Compare
| Figure | This building1 | 32 Walker25 units · 0.8 miaccepted 2025 | 43 Bleecker311 units · 1.4 miaccepted 2026 |
|---|---|---|---|
| Common ChargesPer Square Foot / Month | $0.96Lowest | $1.74 | $2.29 |
| Average Offering PricePer Apartment | $2.72MLowest | $9.65M | $8.99M |
| Average PricePer Square Foot | $2,029Lowest | $2,935 | $3,304 |
| Average Unit SizeSquare Feet | 1,339 SFSmallest | 3,403 SF | 2,560 SF |
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.
Closing Costs
The buyer pays the NYC and NY State transfer taxes, which a seller usually pays.
All 4 closing costs in the plan, with their pagesSee it free →The Building
Amendments
Amendment 1 Nov 6, 2025
First amendment updates offering prices, common charges, property tax projections, first unit closing date, and first-year operating budget.
- New aggregate offering price: $27,240,000
- First unit closing anticipated March 1, 2026; rescission right if not closed by March 1, 2027
- Schedule A updated with revised unit prices and common charges
- Schedule B first-year budget commencing March 1, 2026 with total projected expenses of $171,830
- Property tax projections updated in Exhibit 7
- Common charge estimates revised based on updated budget
- Schedule A prices increased for 1 home (median +0.8%): 3 $2,580,000 → $2,600,000
- Schedule A prices decreased for 1 home (median -0.4%): 4 $2,590,000 → $2,580,000
Team
- Sponsor
- Diamond Lane LLC
- Principals
- Alex Wiederin
- Counsel
- Augspach Law Pllc
- Tax estimate
- Stan RussoPrepared the first-year real estate tax projection
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Zoning
- Zoning district
- C5-5
- Special district
- Special Lower Manhattan District (LM)
Today's zoning, from city data (PLUTO 26v2).
Nearby
- Broadway Arms Condominiumnext door · 12 units · 2004
- 20 Pine Street Condominium0.1 mi · 409 units · 2006
- Dutch Gate Condominium I0.1 mi · 280 units · 2008
- 90 William Street0.1 mi · 113 units · 2007
- Fultonhaus Condominium0.1 mi · 19 units · 2005
- 1 Park Row Condominium0.1 mi · 64 units · 2024
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