Experience authentic industrial loft living at the Mullen Buildings, a landmark warehouse conversion in San Francisco's South of Market (SoMa) district. Located at 52 Rausch Street, 60 Rausch Street, and 73 Sumner Street, San Francisco, CA 94103, this unique 61-unit live/work loft development combines historic 1920s industrial architecture with contemporary modernist design.
The Mullen Buildings were originally constructed during the 1920s South of Market industrial building boom. The historic complex housed the Mullen Company, which designed and constructed architectural millwork for banks and businesses throughout San Francisco. The buildings later served as a greeting card company warehouse and general contractor offices before their transformation into residential lofts.
Renowned San Francisco architect George Hauser of Hauser Architects designed the entire conversion and new construction in 2002, creating a cohesive modernist-industrial aesthetic that has made the Mullen Buildings pioneers of the industrial loft style in SoMa. The development consists of two converted warehouse buildings at 60 Rausch and 73 Sumner, plus one newly constructed building at 52 Rausch, all featuring the signature concrete and steel finishes that define modern loft living.
73 Sumner Street: The first phase features 16 historic live/work lofts with unique floor plans. The building includes controlled entry, elevator access, convenient parking, and a common rooftop deck. Many units feature private decks with city views.
60 Rausch Street: The second phase comprises 37 historic live/work lofts, each with distinctive floor plans. This building offers two residential entries, an elevator, a two-level parking garage, and select units with private outdoor decks.
52 Rausch Street: The third phase is new ground-up construction featuring 8 residential bi-level lofts with 2-bedroom and 3-bedroom floor plans. Second and third-floor lofts include private decks, and all units have access to an adjoining parking garage.
Every home in the Mullen Buildings showcases authentic live/work loft design with soaring ceilings, dramatic open floor plans, and abundant natural light from oversized windows and skylights. Main floors feature color-stained sealed concrete flooring with built-in radiant heating, exposed concrete walls, exposed beam ceilings, steel staircases with mill-grade steel guardrails, and chef's kitchens with granite or concrete countertops and stainless steel appliances.
Upper mezzanine levels offer flexible lofted living spaces perfect for home offices, studios, or additional living areas, plus fully private bedrooms with custom closet systems. Additional features include in-unit washer/dryer hookups or appliances, fresh air intake ventilation systems, and natural stone or carpet flooring on upper levels.
Unit sizes range from approximately 600 to 3,000 square feet, with 1-bedroom, 2-bedroom, and 3-bedroom floor plans available. Each loft has been individually designed with unique layouts while maintaining cohesive industrial-modern finishes throughout the development.
The Mullen Buildings offer controlled building entry, elevator service in 60 Rausch and 73 Sumner, secure two-level parking garage at 60 Rausch, adjoining parking garage access at 52 Rausch, common rooftop deck at 73 Sumner with downtown San Francisco views, and private outdoor decks or patios on select units. The buildings are located on quiet, tree-lined residential streets while maintaining easy access to SoMa's vibrant urban lifestyle.
The Mullen Buildings are centrally located in South of Market with exceptional walkability (Walk Score of 97). The location provides easy access to Civic Center BART and Muni Metro stations (blocks away), quick freeway access to US-101 and I-280, walking distance to Market Street shops and restaurants, proximity to Yerba Buena Gardens and museums, and close to Oracle Park, Chase Center, and SoMa nightlife.
The SoMa neighborhood is known for its thriving arts scene, tech companies, galleries, museums (including SFMOMA), diverse dining options, and entertainment venues. The area blends industrial charm with urban sophistication.
The Mullen Buildings location offers excellent public transit access with Civic Center BART station within walking distance, multiple Muni bus lines on Market Street, easy access to I-280 and US-101 freeways, bike-friendly SoMa streets with dedicated lanes, and walkable access to downtown San Francisco, Financial District, and Mission District.
Similar historic loft conversions in the area include Stagehouse Lofts at 465 10th Street, Toy Factory Lofts at 1 Rausch Street, 99 Rausch (newer 2018 construction), IronWorks Lofts at 1221 Harrison, and H2O Lofts at 1247 Harrison.
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