3990-3998 18th St, San Francisco, CA 94114
The three-story multi-family residential building at 3990-3998 18th Street, owned by Mo Churn Creek LLC, was constructed in 1923 and contains 10 units. The property has undergone significant recent improvements, with substantial work happening in late 2023 including interior alterations, new subflooring, flooring, finishes, and updates to the fire alarm system to meet current fire code requirements. Major infrastructure upgrades have been implemented over the past few years, including the installation of CO2 sensors and alarms in 2020, and the replacement of the fire alarm system and electrical panel in 2023-2024.
The building has undergone multiple unit renovations in 2017, including complete kitchen and bathroom remodels in Units 3, 4, and 8, and a tenant buyout occurred at Unit 3990 in December 2017. Historical records show several compliance issues that have been resolved, including past fire safety violations regarding egress obstruction and fire escape maintenance in 2002, a sewage flooding incident in 2007, and blocked exits noted in 2019 and 2022. Multiple fire safety inspections in recent years have found no merit to complaints regarding fire alarms, extinguishers, or fire escape issues in 2024, 2023, and 2022 respectively.
The building underwent routine apartment inspections, with the most recent in April 2023 showing no violations. Recent 311 calls from late 2024 primarily relate to graffiti and street maintenance issues near the property. The property is currently undergoing a Conditional Use Authorization review for a proposed retail use (Muuu Meat) in the ground floor space, with previous approvals allowing the 7-Eleven operation with limited alcohol sales.
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Building Characteristics
| Total units | 10 |
|---|---|
| Year built | 1923 |
| Total area | 7595 sq ft |
| Floors | 3 |
| Tax Abatements | None |
| Building Class | A5 - Apartment 5 to 14 Units |

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- 3990 18th St, San Francisco CA 94114
- 3998 18th St, San Francisco CA 94114
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