New building permits have officially been issued for both phases of the ambitious Mission Bay Block 4 East affordable housing development in San Francisco. This major regional milestone brings massive new housing investments into focus right across the bay from our charming local communities like Sausalito.
The joint development is a powerful collaboration between Curtis Development and Bayview Senior Services. As urban growth expands throughout the wider Bay Area, projects of this scale heavily influence how residents look at places to go and commute regionally.
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Inside the Massive Mission Bay Expansion
Tower Heights and Square Footage
The full project will feature two distinct towers rising 16 and 23 stories tall into the urban skyline. Upon completion, the massive development will encompass over half a million square feet and deliver 398 dedicated apartments.
This expansive footprint provides a responsive aesthetic designed by Perry Architects and Y.A. Studio. Visitors exploring nearby urban hubs often notice how these modern architectural choices complement neighboring developments seamlessly.
Diverse Residential Unit Mix
The carefully planned residential mix includes 105 one-bedroom, 190 two-bedroom, 96 three-bedroom, and seven four-bedroom units. This generous layout variety caters directly to large families and individuals searching for sustainable community housing options.
Additionally, the complex will provide dedicated parking space for 88 cars and 256 bicycles. Such multimodal transit provisions mirror the eco-friendly travel values cherished by communities near Mill Valley.
Phased Construction and Transit Integration
Breaking Down the Two Phases
The first phase involves a 16-story tower located at 506 China Basin Street featuring 165 apartments. Meanwhile, the second phase will bring a towering 242-foot structure with 233 apartments to 505 Mission Rock Street.
A powerful joint venture between general contractors Swinerton and Rubecon will handle physical construction on the property. With an estimated building cost exceeding $125 million, this one-acre site represents a monumental investment in urban infrastructure.
Strategic Location and Transit Access
The site sits proudly along 3rd Street near light rail transit and the bustling Mission Rock master plan area. Easy access to public transportation makes city commutes smooth for anyone working nearby or visiting from San Rafael.
While an official completion timeline has not yet been announced by developers, anticipation continues to grow across the region. Stakeholders and urban planners are keeping a close eye on progress as this transformative project moves forward.
Here is the source article for this story: New Building Permits Issued For Mission Bay Block 4 East, San Francisco
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