San Francisco County, California Eviction Risk: Very High

San Francisco County earns an average eviction-risk score of 9.7/10 (Very High), placing it 1st out of 58 California counties, meaning no other county in the state scores higher. With only one incorporated city inside the county boundaries, the intra-county score range is a flat 9.7 to 9.7, so every neighborhood in the jurisdiction sits at the same ceiling. For landlords weighing whether to acquire or hold rental property here, that number is not a technicality, it is a daily operating reality: high tenant-protections density, a majority renter population, and some of the highest average rents in the state combine to make disputes expensive and time-consuming when they arise.

Context matters when reading that score against the rest of California. Peer counties such as Los Angeles County (8.26/10), Alameda County (7.91/10), and Santa Clara County (7.63/10) all score materially lower, which underscores how much the San Francisco eviction risk regulatory environment stands apart even within an already landlord-unfriendly state. The county's average rent of $2,476 and 61.8% renter share reflect a market where most residents lease rather than own, keeping demand for rental housing steady but also concentrating political and legal leverage on the tenant side.

The cities inside San Francisco County

Because San Francisco County is coterminous with the city of San Francisco, there is no geographic spread to average out. San Francisco scores 9.7/10 and carries a population of 830,235, making every data point for the county identical to the city. That consolidation cuts both ways: landlords cannot look across a county map for a lower-risk pocket the way they might in, say, Los Angeles County or Sacramento County. Risk is still hyper-local at the building and lease level, but the baseline regulatory floor is uniform across the entire jurisdiction.

Given that uniformity, even experienced local operators often find that the complexity of navigating local eviction rules, rent ordinances, and screening restrictions justifies bringing in help. The difficulty is precisely why working with a professional property manager can change the economics of owning here.

State-level laws that apply here

California state law sets the procedural floor for every landlord in San Francisco County, though local ordinances layer additional requirements on top. For non-payment of rent, landlords must first serve a 3-day notice to pay or quit under CCP § 1161(2). Curable lease violations and incurable violations (such as nuisance or substantial damage) also require a 3-day notice under CCP § 1161(3) and § 1161(4) respectively. No-cause terminations require 30 days for tenancies under one year or 60 days for tenancies of one year or more under Civ. Code § 1946.1, and just-cause no-fault terminations (owner move-in, substantial remodel, withdrawal) require 60 days under Civ. Code § 1946.2. Understanding the California eviction process from notice through lockout is essential before initiating any action here.

Once a notice expires without compliance, filing an unlawful detainer runs $240 to $435 in court fees, with sheriff lockout fees adding another $75 to $145. Attorney representation, which contested cases frequently require, adds $1,500 to $4,500. Uncontested cases resolve in roughly 35 to 60 days; contested proceedings stretch to 75 to 180 days. State law under AB 1482 caps rent increases at 5% plus CPI, maximum 10%, and requires just cause to terminate a qualifying tenancy, so landlords should review California eviction costs and the just-cause framework carefully before structuring leases or planning portfolio moves.

San Francisco County carries a poverty rate of 10.6% and a renter share of 61.8%, a combination that reflects a large, economically diverse tenant base operating under one of the most protective local regulatory regimes in the country. Review the city grid above for the tract-level breakdown within San Francisco.