ZIP Code 94403 — San Mateo, California

The median home in 94403 is valued at $1,681,500 against a median household income of $171,213, a price-to-income ratio of 9.8. That is above the 6.7 median across the 1,558 California ZIP codes with published housing data, and well past the 3.0 ratio that marks an attainable market nationally, so buying here on a local median income requires substantial savings or a second income. Within San Mateo County, 94403 ranks 21 of 28 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.0. Renting takes 22.2% of median household income (median rent $3,166 a month), under the 30% cost-burden threshold.

94403 ranks 101 of 1,558 statewide on median household income and 82 of 1,558 on median home value; its income is above the $161,447 San Mateo County median. 53% of households own their home, below the 64% statewide ZIP median, making this a majority-owner ZIP. 61% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 6.1%, below the 10.8% statewide ZIP median. Unemployment stands at 5.1%.

With 7,832 residents per square mile across 5.6 square miles of land, 94403 is far denser than the statewide ZIP median of 1,120 (rank 250 of 1,558). This is predominantly single-family residential with suburban street patterns.