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901 N Penn St #-f2101-f2101, Philadelphia, PA, 19123

5beds
5baths
6,314sqft
$6,299,900
$998price/sqft
$43,403/moest. monthly cost
$1,736,120/yrincome needed

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

87
WalkingVery Walkable
64
TransitGood Transit
95
BikeBiker's Paradise

Schools

8/10
Adaire Alexander SchoolGrades PK-80.7 mi
4/10
Penn Treaty Middle SchoolGrades 6-120.8 mi

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
  • Parking features: Assigned,Garage,Other,Community Structure
  • Has garage: Yes

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
    Heat WaveRelatively High
  • Coastal Flooding
    Coastal FloodingModerate
  • Cold Wave
    Cold WaveModerate
  • Winter Weather
    Winter WeatherModerate
  • Tsunami
    TsunamiInsufficient Data

How This Home’s Risks Compare

Heat Wave
Coastal Flooding
Cold Wave
Winter Weather
Tsunami

FEMA Declared Disasters Across Pennsylvania Counties

Flood
Tropical Storm

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

MonthlyAnnual
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
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$1,488,102/yr
40% on housing$1,302,090/yr
45% on housing$1,157,413/yr

Pennsylvania FAIR Plan Programs

Insurance Placement Facility of Pennsylvania/FAIR Plan

Covered
WildfireWildfire
Add-on available
HailHail
WindWind
Visit Website →
Current Policies
Residential: 8,982Commercial: 984
Total Premiums$5.34M
Total Exposure$1.33B

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.

Insurance Growth Rate5-year average: 5.5%
5.5%
0%30.0%
Electricity Growth Rate10-year average: 8.4%
8.4%
0%15.0%
Property Taxes Growth Rate2-year average: -0.5%
-0.5%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$998This listing

vs Other Active Listings

Avg $/sqft

ZIP 19123$301
Philadelphia County$161

vs Homes Sold Last Month

Median $/sqft

ZIP 19123$302
Philadelphia County$236

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

DateEventPrice
2026-07-22Listed for sale$6,299,900

For Sale by Agent

AgentJim Becker
BrokerageEngel & Völkers Malvern Main Line

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