The property at 1157 Wisconsin St, San Francisco, offers a promising rental potential with two units. Based on the provided comp data, the monthly rent ranges from $6,395 to $8,175. With this revenue, the estimated payback period for the property's purchase price could range from roughly 12 to 15 years. Located in Potrero Hill, a vibrant neighborhood with rising housing demand, this property's features, including hardwood floors and garage space, enhance its appeal. However, the property does require some renovation, which poses both a challenge and an opportunity for value addition.

To maximize rental income, consider modernizing the units with contemporary fixtures and finishes, as this can attract higher-paying tenants. Enhancing curb appeal with landscaping or fresh paint could also boost its value. If the owner is contemplating a sale, addressing any structural or aesthetic issues beforehand could lead to a quicker sale at a favorable price point, especially in a competitive market like San Francisco.