Portico Lofts for Sale | Jack London Square Oakland

Q: What is Portico Lofts?

Portico Lofts at 309-311 4th Street is a 28-unit live/work loft building in Jack London Square, converted in 1998 by NHP Architects from two adjacent 1930 structures originally built as the Oakland Plumbing Supply office and showroom. The buildings were combined around a shared central courtyard.

Q: What are the units like at Portico Lofts?

Units feature exposed concrete walls, warehouse-style windows, and high ceilings in open live/work floor plans. Some units retain original wood trusses, truss corbels, and wooden vaulted ceilings. Some units have 18-foot ceilings. Large skylights bring natural light throughout.

Q: What amenities does Portico Lofts offer?

A landscaped central courtyard unique among Jack London Square loft buildings, a secure gated entry with intercom, and secure parking.

Q: Where is Portico Lofts located?

309-311 4th Street is in the Jack London Square District, close to BART, Amtrak, and the Oakland Ferry Terminal. I-880 is a few short blocks away.

Q: How does Portico Lofts compare to other Jack London loft buildings?

The only Jack London Square loft building centered on a common courtyard. Its 28 units and 1998 conversion place it in the same generation as Brickhouse Lofts and Pocket Lofts, at a larger scale than either.

Portico Lofts at 309–311 4th Street in Jack London Square is a 28-unit live/work loft building organized around a central landscaped courtyard — a feature unique among Oakland loft buildings. Originally two adjacent structures built in 1930 as the Oakland Plumbing Supply office and showroom, the buildings were combined and converted in 1998 by NHP Architects into a single mixed-use loft complex.

Portico Lofts

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The Building

The 1998 conversion linked the two 1930 structures around a shared central courtyard. Some units retain original wood trusses, truss corbels, and wooden vaulted ceilings from the 1930 construction. Large skylights and warehouse-style windows supplement natural light throughout the complex.

The Units

28 homes in open live/work floor plans with exposed concrete walls, warehouse-style windows, and high ceilings. Units with original wood trusses and vaulted ceilings are particularly distinctive, and some have 18-foot ceilings. Live/work zoning accommodates professional, creative, or studio use.

Location

309–311 4th Street is close to Jack London Square’s restaurants, waterfront trail, BART, Amtrak, and the Oakland Ferry Terminal. I-880 is a few short blocks away.

Frequently Asked Questions

What is Portico Lofts?

A 28-unit live/work loft building at 309–311 4th Street, converted in 1998 from two adjacent 1930 Oakland Plumbing Supply structures, organized around a central landscaped courtyard.

What are the units like at Portico Lofts?

Exposed concrete walls, warehouse windows, high ceilings, open live/work plans. Some units have original wood trusses, vaulted ceilings, and 18-foot ceilings. Large skylights throughout.

What amenities does Portico Lofts offer?

Central landscaped courtyard, secure gated entry with intercom, secure parking.

Where is Portico Lofts located?

309–311 4th Street in Jack London Square. BART, Amtrak, and Ferry Terminal nearby. I-880 blocks away.

What is special about the Portico Lofts courtyard?

The central landscaped courtyard is the building’s defining feature — no other Jack London Square loft building has this arrangement. It provides outdoor gathering space and natural light to all inward-facing units.

How does Portico Lofts compare to other Jack London loft buildings?

The only Jack London Square loft building centered on a courtyard. Same 1998 generation as Brickhouse Lofts and Pocket Lofts, at larger scale.

Work With a Local Oakland Real Estate Expert

Bruce Wagg works throughout Oakland’s condo and loft market. Learn more about Bruce Wagg.

Browse related pages: Fourth Street Lofts • Pocket Lofts • Brickhouse Lofts • Oakland condos