




901-00 N Penn St #F2101, Philadelphia, PA, 19123
About This Home
There are penthouses... and then there is The Penthouse. An exceedingly rare and truly once-in-a-lifetime opportunity awaits in Waterfront Square, Philadelphia's premier gated waterfront community. Encompassing more than 7,500 square feet across two spectacular levels, this is the largest bi-level penthouse residence in the community - an offering of unparalleled scale, sophistication, and commanding views. Designed for those who refuse to compromise, this exceptional residence features five spacious bedrooms, four full bathrooms, and one half bath, thoughtfully arranged to provide the comfort and privacy of a single-family home with the convenience and security of luxury condominium living. Walls of floor-to-ceiling glass flood the home with natural light while framing breathtaking panoramic views of the Center City skyline, the Delaware River, and the iconic Ben Franklin Bridge. Nearly every room opens to the outdoors, seamlessly blending interior and exterior living. Adding to its unmatched appeal is more than 2,000 square feet of private terrace space - an extraordinary outdoor retreat perfect for elegant entertaining, intimate gatherings, or simply enjoying sunrise over the river and the dazzling city lights each evening. Recently refreshed throughout, the residence showcases fresh designer paint, new luxury vinyl plank flooring, and a beautifully renovated main gourmet kitchen appointed with contemporary finishes and abundant workspace. A second full kitchen on the upper level creates exceptional flexibility, making the upper floor ideal as a private guest residence, multi-generational living space, executive retreat, or the ultimate entertaining level. Whether hosting grand-scale events or enjoying the serenity of luxury waterfront living, this remarkable penthouse delivers an experience unlike anything else in Philadelphia. Residents of Waterfront Square enjoy an exceptional collection of resort-style amenities including 24-hour gated security, concierge service, valet parking, state-of-the-art fitness facilities, indoor lap pool, spa, riverfront walking paths, beautifully landscaped grounds, and convenient shuttle service to Center City. Just minutes from Philadelphia's finest restaurants, cultural institutions, sporting venues, and major highways, this is luxury living without equal. A residence of this caliber is rarely offered and impossible to replicate. This is more than a home-it is one of Philadelphia's most extraordinary addresses.
Getting Around
Schools
Construction
Condition
- Year built: 2009
Type & Style
- Home type: Condo
- Architectural style: Contemporary
- Property subType: Condominium
Interior
Bedrooms & Bathrooms
- Bedrooms: 5
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Heating
- Heating features: Has Heating (Unspecified Type)
Interior Area
- Total structure area: 6,314
- Total interior livable area: 6,314 sqft
Property
Parking
- Total spaces: 4
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Heat Wave
- Coastal Flooding
- Cold Wave
- Winter Weather
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters Across Pennsylvania Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $31,855 | $382,260 |
| Home Insurance * | $6,394 | $76,728 |
| Property Taxes | $4,462 | $53,544 |
| Electricity | $692 | $8,313 |
| Total | $43,403 | $520,836 |
Income You'd Need if You Spent...
Pennsylvania FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-07-15 | Listed for sale | $6,299,900 |
