structure #60147964building

640 Mason Street

existing 26.5 m 7 floors 1932

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Location of 640 Mason Street

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Building Mass Height	26.5 m
Main Roof Height	26.5 m
Floors	7
Completion	1932
Structural Form	low-rise building
Main Usage	residential
Status	existing
Architectural Style	art deco
Address	640 Mason Street
Smart Address	640 Mason Street
City	San Francisco
Country	United States

Source: SKYDB | As of: 2026-09-17

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Photo 751-777-054

Chris Patriarca

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