
This feature is unavailable at the moment.
We apologize, but the feature you are trying to access is currently unavailable. We are aware of this issue and our team is working hard to resolve the matter.
Please check back in a few minutes. We apologize for the inconvenience.
- LoopNet Team
thank you

Your email has been sent!
Cast Iron Building 718-720 Arch St
1,270 - 15,192 SF of Office Space Available in Philadelphia, PA 19106



HIGHLIGHTS
- Exposed ceiling, oversized windows, spiral duct work, exposed cast iron columns
- Adjacent to 1,200 car parking garage ($17/day, $270/month)
- More energy efficient than most buildings built a century later; Energy Star certified
- Heat pump system allows tenants to digitally control HVAC
- Short walk to Jefferson Station for access to Regional Rail and Market-Frankford Line
- Financially strong ownership can invest in custom tenant improvements
ALL AVAILABLE SPACES(4)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
Creative office space with unique features. 6 windowed offices, 1 interior office Large conference room Open space for 10-12 workstations Reception and kitchenette Excellent condition Move-in ready Loft-style aesthetic with exposed ceiling Spiral duct Cast iron columns LVP flooring LED lights Furniture/workstations available
- Listed lease rate plus proportional share of electrical cost
- Open Floor Plan Layout
- Fully Built-Out as Standard Office
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
4 windowed offices 2 interior offices Small conference room Kitchenette Reception Excellent condition Move-in ready Traditional office aesthetic
- Listed lease rate plus proportional share of electrical cost
- 1 Conference Room
- 2 Private Offices
Space | Size | Term | Rental Rate | Space Use | Condition | Available |
2nd Floor | 4,654 SF | Negotiable | $34.66 CAD/SF/YR $2.89 CAD/SF/MO $161,328 CAD/YR $13,444 CAD/MO | Office | Full Build-Out | Now |
2nd Floor | 7,488 SF | Negotiable | $34.66 CAD/SF/YR $2.89 CAD/SF/MO $259,567 CAD/YR $21,631 CAD/MO | Office | - | 2025-07-01 |
3rd Floor | 1,270 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request | Office | Full Build-Out | Now |
7th Floor | 1,780 SF | Negotiable | $34.66 CAD/SF/YR $2.89 CAD/SF/MO $61,703 CAD/YR $5,142 CAD/MO | Office | Full Build-Out | Now |
2nd Floor
Size |
4,654 SF |
Term |
Negotiable |
Rental Rate |
$34.66 CAD/SF/YR $2.89 CAD/SF/MO $161,328 CAD/YR $13,444 CAD/MO |
Space Use |
Office |
Condition |
Full Build-Out |
Available |
Now |
2nd Floor
Size |
7,488 SF |
Term |
Negotiable |
Rental Rate |
$34.66 CAD/SF/YR $2.89 CAD/SF/MO $259,567 CAD/YR $21,631 CAD/MO |
Space Use |
Office |
Condition |
- |
Available |
2025-07-01 |
3rd Floor
Size |
1,270 SF |
Term |
Negotiable |
Rental Rate |
Upon Request Upon Request Upon Request Upon Request |
Space Use |
Office |
Condition |
Full Build-Out |
Available |
Now |
7th Floor
Size |
1,780 SF |
Term |
Negotiable |
Rental Rate |
$34.66 CAD/SF/YR $2.89 CAD/SF/MO $61,703 CAD/YR $5,142 CAD/MO |
Space Use |
Office |
Condition |
Full Build-Out |
Available |
Now |
2nd Floor
Size | 4,654 SF |
Term | Negotiable |
Rental Rate | $34.66 CAD/SF/YR |
Space Use | Office |
Condition | Full Build-Out |
Available | Now |
Creative office space with unique features. 6 windowed offices, 1 interior office Large conference room Open space for 10-12 workstations Reception and kitchenette Excellent condition Move-in ready Loft-style aesthetic with exposed ceiling Spiral duct Cast iron columns LVP flooring LED lights Furniture/workstations available
- Listed lease rate plus proportional share of electrical cost
- Fully Built-Out as Standard Office
- Open Floor Plan Layout
2nd Floor
Size | 7,488 SF |
Term | Negotiable |
Rental Rate | $34.66 CAD/SF/YR |
Space Use | Office |
Condition | - |
Available | 2025-07-01 |
- Listed lease rate plus proportional share of electrical cost
3rd Floor
Size | 1,270 SF |
Term | Negotiable |
Rental Rate | Upon Request |
Space Use | Office |
Condition | Full Build-Out |
Available | Now |
- Fully Built-Out as Standard Office
7th Floor
Size | 1,780 SF |
Term | Negotiable |
Rental Rate | $34.66 CAD/SF/YR |
Space Use | Office |
Condition | Full Build-Out |
Available | Now |
4 windowed offices 2 interior offices Small conference room Kitchenette Reception Excellent condition Move-in ready Traditional office aesthetic
- Listed lease rate plus proportional share of electrical cost
- 2 Private Offices
- 1 Conference Room
PROPERTY OVERVIEW
The Flynn Company is pleased to present The Cast Iron Building; a unique office setting that combines 21st century efficiency and convenience with a 19th century treasure. The front elevation cast iron is emblematic of progressive commercial building techniques from the late 19th century and it is now the largest contiguous cast iron elevation remaining in the Philadelphia region. The building’s historical character conceals recently upgraded state-of-the-art lighting, heating and cooling systems, delivering one of the lowest energy costs to occupy factors in the city.
- 24 Hour Access
- Property Manager on Site
- Restaurant
PROPERTY FACTS
Presented by

Cast Iron Building | 718-720 Arch St
Hmm, there seems to have been an error sending your message. Please try again.
Thanks! Your message was sent.