1101 Clay St, San Francisco, CA 94108
The 18-unit, 4-story multi-family residential building at 1101 Clay Street in San Francisco's Nob Hill neighborhood, owned by SF Multifamily III Property, was constructed in 1912 and has undergone several significant maintenance and upgrade projects over the years. Most recently, in 2023, the building completed a like-for-like replacement of its fire alarm system to comply with updated fire code requirements, with an associated cost of $26,809.
The building has experienced recurring heating system issues, with complaints about inadequate heating in 2017 and most recently in February 2023, wherein residents reported that the in-unit electric heating system was unable to maintain temperatures at the required 70°F. The property has undergone substantial unit improvements between 2017 and 2019, including comprehensive kitchen and bathroom remodels in multiple units (6, 7A, 10, and 16), with associated plumbing and electrical upgrades to bring them up to current code. Fire safety has been a recurring focus, with multiple violations and complaints recorded between 2009 and 2023 regarding fire escape maintenance, alarm systems, and extinguisher requirements.
While many of these issues have been addressed (with most recent violations listed as "abated" or "rescinded"), they indicate an ongoing need for attention to fire safety systems. The building's soft story retrofit work has been completed and certified, and several routine maintenance items, including water heater replacement and various plumbing updates, have been performed to maintain building systems. Recent 311 calls from 2023-2025 have primarily concerned exterior maintenance issues such as street cleaning and waste management.
1101 Clay St Report Contents
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Building Characteristics
Total units | 18 |
---|---|
Year built | 1912 |
Total area | 9918 sq ft |
Floors | 4 |
Tax Abatements | None |
Building Class | A15 - Apartment 15 Units or more |

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Key Building Statistics
Included Addresses
- 1055 Mason St, San Francisco CA 94108
- 1101 Clay St, San Francisco CA 94108
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