The median home price in San Francisco is $1,200,000, above the national median of $420,000. With a median household income of $130,000, the price-to-income ratio is 9.2x — meaning buyers typically spend 9.2 years of gross income on the purchase price.
Property taxes in San Francisco run 0.65% of assessed value. On the median home, that is $7,800 per year, or $650 per month added to your mortgage payment. This is well below the national average of 1.1%, giving San Francisco homeowners a meaningful property tax advantage.
California has a state income tax. Factor your take-home pay into how much mortgage you can comfortably carry each month.
The cost of living index in San Francisco is 194 (national average = 100). Expect to pay more for groceries, transportation, and services in addition to housing.