Language and Region
Currency

Email*

Please enter a valid email address.

To send this property to multiple individuals, insert a semi-colon between each recipient's email address.

Message

939 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

5401-5407 Walnut St
Pittsburgh, PA 15232
The Hartwell Bldg · Office Property For Lease · 4,250 SF

.mosaic-column{display:inline-block!important;height:100%!important;width:auto!important}.mosaic-tile i{display:none!important}.mosaic-tile img{height:100%!important;width:auto!important}

HIGHLIGHTS

Features cool tech style space with exposed ceilings and polished concrete floors.

Walkable to all Shadyside retail amenities.

PROPERTY OVERVIEW

The Hartwell Building is a professionally managed office property located at the intersection of Walnut Street and South Aiken Avenue in Pittsburgh’s Shadyside neighborhood. The building is within walking distance of multiple retail and dining establishments, including national and local operators. Tenants receive access to Kossman Development’s amenity program, which includes discounts at nearby hotels, fitness centers, and storage facilities.

Bus Line

PROPERTY FACTS

Building Type

Office

Year Built

1987

Building Height

3 Stories

Building Size

18,390 SF

Building Class

Typical Floor Size

6,130 SF

Listing ID: 36428150
Date on Market: 6/26/2025
Last Updated:
Address: 5401-5407 Walnut St, Pittsburgh, PA 15232

1 of 8

VIDEOS

MATTERPORT 3D EXTERIOR

MATTERPORT 3D TOUR

PHOTOS

STREET VIEW STREET

MAP

5401-5407 Walnut St, Pittsburgh, PA for lease Building Photo- Image 1 of 8 — Primary Photo

5401-5407 Walnut St, Pittsburgh, PA for lease Building Photo- Image 2 of 8 — Building Photo

5401-5407 Walnut St, Pittsburgh, PA for lease Interior Photo- Image 3 of 8 — Suite 200 - Interior

5401-5407 Walnut St, Pittsburgh, PA for lease Interior Photo- Image 4 of 8 — Suite 200 - Interior

5401-5407 Walnut St, Pittsburgh, PA for lease Interior Photo- Image 5 of 8 — Suite 200 - Interior

5401-5407 Walnut St, Pittsburgh, PA for lease Interior Photo- Image 6 of 8 — Suite 200 - Interior

5401-5407 Walnut St, Pittsburgh, PA for lease Floor Plan- Image 7 of 8 — Suite 200 - Floor Plan

Contact the Leasing Team

The Hartwell Bldg | 5401-5407 Walnut St

What's your inquiry about?*

Availability

Pricing

Request a tour

Other

Select at least one of the options above

Preferred Date*

Select one date

Message* (optional)

Message is required

{{getContactFormMessageFieldCharacterCount()}} out of 600

Already a member? Log In

First Name*

First name is required

Last Name*

Last name is required

Email*

Email address is required

Valid email address is required This email address is already in use. Please Login or try a different email address.

Phone*

Valid phone number is required

Ext (optional)

Company (optional)

Please enter a company.

New to LoopNet? No problem. We'll automatically create a free account for you. By clicking the button, you agree to LoopNet's Terms of Use and Privacy Notice.

Hmm, there seems to have been an error sending your message. Please refresh the page and try again.

Your message will be sent to all agents listed.

Share This Listing