The Washington

For Lease

510-530 Walnut Street, Philadelphia, PA 19106

The total number of office spaces available at The Washington is 16. Leasing opportunities in the building include general office. There is a total of 196,555 square feet of space currently available for rent at this address. Of this, the minimum divisible area is 500 square feet.

Space Available For Lease 16

Contacts

broker
Jack Meyers

Cushman & Wakefield

broker
Daniel Brogan

Cushman & Wakefield

broker
Brian Young

Cushman & Wakefield

broker
Jason Bernardi

Cushman & Wakefield

Property Details

  • Property Type Office
  • Property Size 857,308 SF
  • # of Floors 20
  • Parking Ratio 0.20 / 1,000 SF
  • Building Class A
  • Year Built 1930
  • Date Updated Jul 7, 2025
The One Washington Square (formerly Penn Mutual Towers) are established landmarks centered within Philadelphia's historic and business districts. The award-winning three-building complex, with towers constructed in 1914, 1930 and 1972, is one of the city's most highly regarded corporate addresses hosting a roster of prestigious firms. The Penn Mutual Towers overlook Independence Square and offer extraordinary views of the city from nearly every floor. The Philadelphia waterfront and some of the nation's most significant monuments add to the appeal of this important location. Impressive polished marble floors, commanding columns and intricate plaster ceilings above the walnut concierge and security station are striking indications of the quality of the complex. First class renovations throughout both towers offer comfortable, attractive and flexible space. Expansive window lines further enhance the setting, allowing natural light in offices and spectacular views.
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Highlights

  • allowing natural light in offices and spectacular views. Close proximity to the Federal Court
  • and galleries adds to the convenience of this fine office complex. The Penn Mutual towers are also within walking distance from a number of residential areas including Society Hill and Queen Village. * On-site banking services * Numerous hotels
  • attractive and flexible space. Expansive window lines further enhance the setting
  • City Hall
  • commanding columns and intricate plaster ceilings above the walnut concierge and security station are striking indications of the quality of the complex. First class renovations throughout both towers offer comfortable
  • fine restaurants
  • Impressive polished marble floors
  • medical centers
  • Philadelphia's Central Business District as well as hotels
  • shops
  • shops and dining areas within a three-block radius * Attractive parks and historic monuments surround the facility * are easily accessible by car * Four garages within a three block radius
  • theaters

Getting around

  • 99/100

    Walk Score ®

  • 100/100

    Transit Score ®

  • 82/100

    Bike Score ®

Powered by Walk Score ®

Location

  • City Philadelphia, PA
  • Neighborhood Society Hill
  • Zip Code 19106
  • Market Philadelphia

Points of Interest

  • 8th & Market

    0.30 miles

  • 8th Street

    0.32 miles

  • 2nd Street

    0.38 miles

  • Jefferson Station

    0.55 miles

  • Chinatown

    0.60 miles

  • 12th-13th & Locust

    0.60 miles

  • Eastbound MFL Entrance

    0.67 miles

  • 13th Street

    0.68 miles

  • Broad Street Line Entrance

    0.80 miles

  • 15th Street

    0.87 miles

  • Shell

    0.83 miles

  • Sunoco

    0.94 miles

  • Lukoil

    1.12 miles

  • Blink

    1.44 miles

  • Liberty

    1.45 miles

  • BP gas

    1.74 miles

  • Gulf

    1.75 miles

  • ChargePoint

    2.15 miles

  • J&H Car Charging Station

    2.56 miles

  • EVgo

    2.92 miles

  • LAZ Parking Curtis Center

    0.09 miles

  • Hopkinson House Garage

    0.15 miles

  • The Bourse Garage

    0.18 miles

  • Park Safe System

    0.23 miles

  • Pennsylvania Hospital - Deck 2

    0.25 miles

  • Walnut Towers Garage

    0.25 miles

  • Benjamin Franklin House Parking

    0.29 miles

  • Pennsylvania Hospital - Deck 1

    0.31 miles

  • SP+

    0.32 miles

  • Society Hill Towers Parking Garage

    0.32 miles

  • Hotel Monaco Philadelphia, a Kimpton Hotel

    0.15 miles

  • Renaissance Philadelphia Downtown Hotel

    0.16 miles

  • Morris House Hotel

    0.21 miles

  • Best Western Plus Independence Park Hotel

    0.26 miles

  • Apple Hostels Philadelphia

    0.28 miles

  • AKA Washington Square

    0.28 miles

  • Apple Hostels

    0.29 miles

  • Thomas Bond House

    0.33 miles

  • Wyndham Philadelphia Historic District

    0.34 miles

  • Philadelphia Marriott Old City

    0.37 miles

  • Acme

    0.22 miles

  • Chestnut Food Market

    0.26 miles

  • Market Place East Shopping Center

    0.32 miles

  • Giant

    0.33 miles

  • Burlington

    0.37 miles

  • Fashion District Philadelphia

    0.43 miles

  • MOM's Organic Market

    0.51 miles

  • No. 1 Supermarket

    0.52 miles

  • Essene Market & Café

    0.52 miles

  • Whole Foods Market

    0.53 miles

510-530 Walnut Street Listing Brief

  • Leasing rates here can depend on a variety of factors, including the quality rating of the property (property class or building class), the position of the available space within the building, any unique attributes that the listed space may include, as well as on the availability of on-site or nearby amenities. Reach out using the contact form available on this page to schedule a tour or to get more detailed information on the most modern facilities and amenities that 510-530 Walnut Street has to offer.

  • The property offers a parking ratio of 0.20 / 1,000 SF, which translates to a total of 171 parking spaces. See the listing area details for information and ratings regarding the degree of walkability in the neighborhood, the accessibility and frequency of public transit options, as well as the level of availability and quality of biking infrastructure in the area. What’s more, you can use the interactive map for a good overview of the area. Location details also include a breakdown of distance from the property to several essential amenities and points of interest, which may include parking facilities, fuel stations, stores, or hotels.

  • This property is in the Society Hill neighborhood of Philadelphia and located within zip code 19106.

    510-530 Walnut Street was originally completed in 1930 and is rated class A. The building includes 857,308 square feet, of which 196,555 square feet is rentable office space.

In-Depth Research Available for this Property

Access more in-depth information about this property — including ownership, tenant details, property characteristics and transaction history, along with local market insights and much more — on CommercialEdge.

Contact The Washington
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