303-309 31st Ave, San Francisco, CA 94121
The two-story multi-family residential building at 303-309 31st Avenue in the Central Richmond neighborhood is a 3-unit apartment building owned by Lon Hardeman, constructed in 1921. The property has undergone several significant improvements over its lifetime, including a comprehensive window replacement project in 1999 (50 windows), substantial maintenance work in 2007 to address dry rot damage in the rear stair and garage area ($3,500), and reroofing work in 2003 ($10,280). The most recent electrical upgrade occurred in 2021 with the installation of a 50-amp 240-volt circuit for a sauna heater.
Historical modifications include the conversion of two second-floor units into one larger unit in 1987, and structural improvements including cracked stucco repair and foundation anchoring completed in 1990. The building has experienced two notable routine housing inspections (2001 and 2008) that resulted in multiple violations, primarily related to fire safety and security concerns. These violations, all of which were successfully abated, included issues with fire proofing materials, combustible storage, fire safety tools, and self-closing exterior doors.
A roof access fire complaint from 2013 was also resolved on the same day it was reported. Recent external issues primarily involve street maintenance matters such as garbage, debris, and parking violations, with the most recent incidents recorded between late 2023 and early 2024. While there have been no recent building-specific violations or major repairs noted in the past decade, the frequency of street maintenance issues documented through 311 calls suggests ongoing attention to external upkeep is required.
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Building Characteristics
Total units | 3 |
---|---|
Year built | 1921 |
Total area | 4720 sq ft |
Floors | 2 |
Tax Abatements | None |
Building Class | A - Apartment 4 units or less |

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Key Building Statistics
Included Addresses
- 303 31st Ave, San Francisco CA 94121
- 307 31st Ave, San Francisco CA 94121
- 305 31st Ave, San Francisco CA 94121
- 309 31st Ave, San Francisco CA 94121
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