THE CONDO BOOK PROJECT

Flatiron House Condominium

39 West 23rd Street/ 22 West 24th Street, Manhattan, NY 10010

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Overview

Flatiron House is a 44-unit condo in Manhattan, with 5 parking units, 43 storage units and 1 commercial unit.

  • Offering plan: Accepted December 2021 · 620 pages
  • Finishes: Engineered wood floors, quartz kitchen countertops, Gaggenau, Thermador and Bosch appliances, a washer and dryer in each apartment, Watermark bathroom fittings and ducted heat pumps for heating and cooling
  • Prices: $62.2 million in all
  • Developer: Anbau; principals Stephen L. Glascock
  • Sponsor: 39 West 23rd Street, LLC, represented by Starr Associates LLP
  • Subway: 3-minute walk to 23 St (R, W); 3 minutes to 23 St (F, M)
  • Amendments: 14, the latest in June 2026
  1. SubmittedJanuary 2022
  2. AcceptedDecember 2021
  3. 14 amendments
  4. First sale
  5. Latest sale

Sales

44 of 45homes sold (98%)
Every sale: 44 homes, with price and dateSee it free →

From city records (ACRIS), through Sep 30, 2026.

First-Year Budget

From our research: NYC Co-op and Condo Tax Abatement: Is It Worth Paying Prevailing Wage? (Board Calculator)

Ask Claude or ChatGPT: How do Flatiron House's common charges compare with similar buildings? →

Property Taxes

The plan's first-year tax estimate, checked against the city's real bills for 33 homes.

Each home's estimate, city bills and tax breaksSee it free →

Closing Costs

The buyer pays the NYC and NY State transfer taxes, which a seller usually pays.

All 2 closing costs in the plan, with their pagesSee it free →

Amendments

Amendment 14 Jun 8, 2026

This amendment offers the unsold units at the prices in Schedule A (Exhibit A, not included in the text), adds the 2024/2025 financial statements and 2025/2026 budget, updates the working capital, board, sponsor and certificate of occupancy disclosures, and adds federal tax and FinCEN reporting disclosures.

  • Unsold units offered for sale at prices in Schedule A (Exhibit A)
  • Financial statements for fiscal year ending September 30, 2025 added (Exhibit B)
  • Budget for October 1, 2025 to September 30, 2026 added (Exhibit C)
  • Working Capital Account of approximately $161,825 as of May 1, 2026
  • Sponsor's unsold units as of May 1, 2026: 2 Residential Units after 43 sold; Commercial, Accessory and Reserved Units unsold (Reserved not offered for sale)
  • Permanent Certificate of Occupancy expected within approximately 12 months of the Filing Date; $15,000 PCO Amount still held in escrow
  • Tax disclosure added on One Big Beautiful Bill Act changes to the SALT deduction; buyers advised to consult a tax expert
  • FinCEN Reporting Rule added for non-financed transfers to legal entities or trusts, initially effective March 1, 2026

Amendment 13 Jul 2, 2025

This amendment offers the unsold units for sale at the Schedule A prices, extends the Plan's term, and updates the sponsor's unsold-unit, board, working capital, financial statement, certificate of occupancy and FinCEN disclosures.

  • Unsold units offered for sale at the prices in Schedule A (Exhibit A)
  • Term of the Plan extended
  • Permanent Certificate of Occupancy anticipated within approximately 8 months from Filing Date of this Amendment, subject to Force Majeure
  • Sponsor has 3 Residential Units unsold (including the Affordable Condo Unit, not currently offered for sale) as of May 1, 2025
  • Sponsor controls the Condominium Board until the earliest of the fifth anniversary of the First Closing, Closing of Title to all Units offered, or Sponsor's election to relinquish control
  • Working Capital Account of approximately $260,267 on deposit with JP Morgan Chase Bank as of May 1, 2025
  • Audited financial statements for the year ending September 30, 2024 added as Exhibit B
  • FinCEN Geographic Targeting Order reporting threshold of $300,000; order currently in effect until October 9, 2025

Amendment 12 Dec 18, 2024

This Twelfth Amendment adds the 2024/2025 condominium budget, updates the offering prices, taxes and Common Charges for unsold units, adds a FinCEN all-cash reporting disclosure, and extends the Plan's term.

  • Adds the condominium budget for the fiscal year commencing October 1, 2024 (Exhibit A), with projected Total Income of $1,834,695 for Y/E 09/25
  • Adds budget expert certifications dated October 22, 2024 (Exhibit B)
  • Replaces Schedule A with updated offering prices, real estate taxes and Common Charges for Unsold Units (Exhibit C)
  • Adds a FinCEN Geographic Targeting Order disclosure with a $300,000 reporting threshold, in effect until April 14, 2025
  • Urges purchasers to contact the Managing Agent for current Common Charges, Special Assessments and other updates
  • Extends the term of the Plan

Amendment 10 Feb 13, 2024

This amendment adds the 2023/2024 condominium budget, updates the offering prices and charges for unsold units, changes the sponsor's address, adds a FinCEN reporting notice, and extends the plan's term.

  • 2023/2024 condominium budget added (fiscal year commencing October 1, 2023), with total income and expenses of $1,746,670 and Common Charges of $1,731,570
  • Schedule A updated with current offering prices, real estate taxes, and Common Charges for unsold units (Exhibit C)
  • Sponsor's address changed to 230 Fifth Avenue, Suite 1912, New York, NY 10010
  • FinCEN geographic targeting order disclosure added, with a $300,000 reporting threshold at filing and the order in effect until April 18, 2024
  • Plan term extended

Amendment 9 Jul 25, 2023

This amendment offers the remaining unsold units at the Schedule A prices, extends the Plan's term, and updates the building's permanent certificate of occupancy, sponsor finances, budget, working capital and board information.

  • Unsold units offered for sale at the prices in Schedule A (Exhibit A)
  • Term of the Plan extended
  • Permanent Certificate of Occupancy anticipated within approximately 36 months from Filing Date of this Amendment, subject to Force Majeure; Escrow Agent holding $62,000
  • Sponsor's loan with JP Morgan Chase Bank: outstanding balance $35,485,984, expiration date July 1, 2024 (as of July 15, 2023)
  • Sponsor has sold 23 Residential Units; 22 Residential Units remain unsold (as of July 15, 2023)
  • Condominium continues under the budget in the Sixth Amendment; Budget Expert certifications attached
  • Working Capital Account of approximately $161,742 on deposit with JP Morgan Chase Bank (as of July 15, 2023)
  • Board members listed as James V. Treacy (President), Adrianne Glascock (Vice President) and Steve Gorey (Secretary/Treasurer), all affiliated with Sponsor, which controls the Board

Amendment 8 Jun 1, 2023

This Eighth Amendment switches the escrow bank to JP Morgan Chase, adopts a stricter no-smoking policy building-wide, updates the offering prices, and adds optional alternative floor plans for certain units.

  • Deposits moved to a JP Morgan Chase Bank, N.A. escrow account at 390 Madison Avenue; interest rate about 0.03% as of the Filing Date, subject to change, with no guarantee
  • Smoking and vaping banned in all common areas, units, and private balconies, terraces and gardens, indoors and outdoors
  • No smoking or vaping within 25 feet of building entrances, outdoor air intakes, or operable windows
  • Schedule A updated with current offering prices for units offered for sale
  • Alternative floor plans offered for certain units on the 9th, 10th, and 19th through 26th floors, only if the sponsor agrees to a buyer's request
  • Alternative Schedule A gives square footages, common charges, and taxes for the alternative plans; price capped at its listed offering price unless the plan is amended
  • Alternative floor plans do not yet match the Building Department-approved plans; sponsor must amend plans and get approval before closing

Amendment 7 Mar 20, 2023

This amendment replaces Schedule A of the offering plan with updated offering prices and related unit, parking and storage information for the units currently offered for sale.

  • Replaces Schedule A with updated offering prices for units offered for sale
  • Residential market rate total offering price $240,780,000.00; grand total $243,450,000.00
  • Unit PH offering price $19,750,000.00; Unit 19A offering price $13,950,000.00
  • Parking spaces offered at $400,000.00 each; parking total $2,000,000.00
  • Storage locker total $1,684,500.00
  • Projected first-year common charges and real estate taxes listed; real estate taxes may increase materially when the building is reassessed after construction
  • Footnotes to Schedule A are in the Sixth Amendment

Amendment 6 Dec 2, 2022

This Sixth Amendment reports the September 29, 2022 First Closing, sets Common Charges to begin April 1, 2023, and updates the sponsor's unsold-unit, financing, permanent certificate of occupancy and floor plan information.

  • First Closing took place September 29, 2022, for Unit 7A
  • Common Charges waived from September 29, 2022 through March 31, 2023; Common Charges assessed starting April 1, 2023
  • Sponsor's Mortgage Loan with First Republic Bank has an outstanding balance of $79,867,184 and an expiration date of July 1, 2024
  • Permanent Certificate of Occupancy expected within approximately 36 months from June 10, 2022, subject to Force Majeure; $800,000 PCO Amount deposited in escrow
  • Updated floor plans for Residential Units 16A, 17A and 18A, including updated dimensions in Unit 18A and single-swing closet doors
  • Sponsor's unsold units: 36 Residential Units and 3 Non-Residential Units remain unsold, as of November 1, 2022
  • Sponsor controls the Condominium Board, which it will relinquish upon the earliest of the fifth anniversary of the First Closing, closing of title to all Units, or Sponsor's election
  • First Annual Meeting to be held approximately 30 days after the second anniversary of the First Closing, or earlier at the Board's discretion

Amendment 5 Apr 20, 2022

The sponsor declared the offering plan effective after seven buyers signed purchase agreements covering at least 15% of the 46 units, and extended the plan's term.

  • Plan declared effective: seven purchase agreements from bona fide purchasers, at least 15% of the 46 units offered
  • Plan term extended; no new end date is printed
  • Units counted toward effectiveness: 15B, 14B, 14A, 5A, 18B, 18A, 6A, with agreement dates from February 4, 2022 to April 14, 2022
  • Sponsor affirms no undisclosed material changes to the first-year projected budget

Amendment 4 Mar 22, 2022

This Fourth Amendment replaces Schedule A with updated offering prices for the units, parking spaces and storage lockers offered for sale.

  • Updated offering prices for residential units, parking spaces and storage lockers, with unit prices such as 400,000.00 for the Townhouse and 19,750,000.00 for PH
  • Residential market rate total offering price shown as 246,045,000.00; grand total 248,715,000.00
  • Schedule A covers the projected first year of condominium operations, April 1, 2022 - March 31, 2023
  • Five parking spaces offered at 400,000.00 each, with monthly license fee of 155.00
  • Storage lockers offered from 18,500.00 to 110,000.00
  • Projected real estate taxes are based on a pre-completion assessment and may increase materially when the Building is reassessed after construction

Amendment 3 Feb 7, 2022

This amendment replaces the plan's Schedule A with updated offering prices and projected first-year operating costs for the units, parking spaces and storage lockers offered for sale.

  • Schedule A offering prices and related information updated for units offered for sale
  • Projected first year of condominium operations: April 1, 2022 - March 31, 2023
  • Total offering price of all units: $144,865,000.00
  • Parking spaces offered at $400,000.00 each, with a monthly license fee of $155.00
  • Storage lockers offered from $18,500.00 to $110,000.00
  • Projected real estate taxes may increase materially when the Building is reassessed after construction is complete
  • No other material changes to the property or offering

Amendment 2 Feb 3, 2022

This second amendment replaces the Schedule A offering prices and related information with updated current prices for the units offered for sale, along with the projected first-year operating figures.

  • Schedule A offering prices for the units offered for sale replaced with current prices
  • Projected first year of condominium operations set as April 1, 2022 - March 31, 2023
  • Parking space offering price printed as 400,000.00, with monthly license fee of 155.00
  • Storage locker offering prices and monthly license fees updated, e.g. Locker 1 at 80,000.00 and 22.50 per month
  • Projected real estate taxes are based on the pre-completion assessment and may increase materially when the Building is reassessed

Amendment 1 Jan 21, 2022

This amendment replaces Schedule A with an updated set of current purchase prices and related figures for the units offered for sale, and states that there are no other material changes.

  • Schedule A (purchase prices and related information) replaced with an updated version
  • Projected first-year condominium operating figures set for April 1, 2022 - March 31, 2023
  • Parking spaces offered at $400,000.00 each, with projected annual license fee of $1,860.00 ($155.00 monthly)
  • Storage lockers offered in a new table, with storage total of $1,684,500.00
  • Projected real estate taxes may increase materially after the Building is reassessed upon completion of construction
  • Affordable Condo Unit noted as comprising four residential rental apartments
What each amendment changed, line by lineSee it free →

Team

Sponsor
39 West 23rd Street, LLC
Developer
Anbau
Principals
Stephen L. Glascock
Tax estimate
Korngold Powers, LLPPrepared the first-year real estate tax projection
Construction lender
Bank OZK$96 million recorded
General contractors
Ryder Construction, PizzarottiHeld the general construction permit on DOB job 121190424
Structural engineer
DeSimone Consulting EngineersNamed on p. 68
MEP engineer
Cosentini AssociatesMechanical, electrical and plumbing · Named on p. 68
Interior designer
COOKFOX ArchitectsReported by cookfox.com

From our research: What Does a Title Agency Do, and How Do You Pick One for a NYC Condo?

Zoning

Zoning district
M1-8A/R11
Special district
Special Midtown South Mixed-Use District (MSX)

Today's zoning, from city data (PLUTO 26v2).

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