Permits have been filed for a minor residential expansion of 228 4th Avenue in San Francisco’s Inner Richmond neighborhood. The proposal would provide an additional floor and dwelling to the site while retaining the existing street facade. The property owner is listed as a Las Vegas-based individual filing through 228 4th Avenue LLC.

228 4th Street site plan, illustration S & P Engineers
Once complete, the three-story structure is expected to yield around 3,860 square feet, with each apartment offering two bedrooms. The alteration would create a street-facing setback, providing a visual break between the existing house and the new addition. Walnut Creek-based S&P Professional Engineers are responsible for drafting the plans.
The 0.07-acre property is located along 4th Avenue between Cornwall Street and the retail-lined Clement Street. The site is just a few blocks away from the southern edge of the Presidio of San Francisco, and six blocks from Golden Gate Park. The existing wood-frame structure dates back to before the 1906 Earthquake and Great Fire. The site has not been deemed an historic resource, though it is listed as age-eligible.

228 4th Avenue historic assessors image, image via the San Francisco Planning Department
The property owner is listed as a Las Vegas-based individual filing through 228 4th Avenue LLC. Construction is estimated to cost around $100,000 according to the application, a figure not inclusive of all development costs. The construction timeline has not yet been shared.
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