Prime Flatiron Commercial Condo – 3,500 NET SF Full-Floor Loft
One of the last Commercial condo buildings in Flatiron with the flexibility to convert to residential.
Position your business in the heart of Manhattan’s Flatiron District with this exceptional 3,500 square foot full-floor commercial condo loft. Designed for flexibility and impact, the space features soaring 12-foot ceilings, abundant natural light, and a wide-open layout ready to accommodate a variety of professional uses — from creative studios and boutique agencies to wellness or design firms.
This exclusive boutique condo building comprises just 11 full-floor condos and features a part time doorman for added convenience. The seamless conversion from commercial to residential use provides the freedom to develop your vision.
Nestled on a peaceful, picturesque block in the heart of Flatiron, this offering is a rare gem—a unique opportunity to craft an exceptional living space tailored to your style and imagination.
Sold
$3,600,000
25 E 21st St #3, New York, NY 10010
4beds
4,400sqft
Condominium
Built in 1904
-- sqft lot
$3,694,700 Zestimate®
$818/sqft
$-- Estimated rent
Home value
$3,694,700
$3.47M - $3.95M
Not available
Zestimate® history
Owner options
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$26,002/mo
Est. payment
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$26,002/mo
Est. payment
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List your homeWhat's special
Abundant natural lightWide-open layoutPeaceful picturesque block
Zillow last checked:
Listing updated:
Listed by:
Charlie Attias,
Compass,
Connor Ramage
Source: StreetEasy,MLS#: S1769733
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Cooling
- Central Air
Features
- Flooring: Hardwood
Interior area
- Total structure area: 4,400
- Total interior livable area: 4,400 sqft
Property
Features
- Has view: Yes
- View description: City
Details
- Special conditions: Resale
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
Condition
- Year built: 1904
Community & HOA
Community
- Subdivision: Flatiron
HOA
- Services included: Maintenance
- HOA fee: $3,681 monthly
Location
- Region: New York
Financial & listing details
- Price per square foot: $818/sqft
- Annual tax amount: $34,548
- Date on market: 5/6/2025
Price history
| Date | Event | Price |
|---|---|---|
| 2/4/2026 | Sold | $3,600,000-8.9%$818/sqft |
Source: StreetEasy #S1769733 Report a problem | ||
| 5/6/2025 | Listed for sale | $3,950,000$898/sqft |
Source: StreetEasy #S1769733 Report a problem | ||
Public tax history
Tax history is unavailable.
Neighborhood: Flatiron District
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Nearby schools
GreatSchools rating
- 8/10Sixth Avenue Elementary SchoolGrades: PK-5Distance: 0.3 mi
- 8/10Jhs 104 Simon BaruchGrades: 6-8Distance: 0.5 mi
- 6/10School Of The Future High SchoolGrades: 6-12Distance: 0.2 mi
- New York
- New York County
- New York
- 10010
- Manhattan
- Flatiron District
- 25 E 21st St Unit 3