California · Population 15,243 · Updated March 2026
How far your income goes in Discovery Bay
State-level tax rates that affect your costs
Discovery Bay has a significantly higher cost of living than most US cities, driven largely by premium housing costs. With a cost index of 223 (where 100 equals the national median), Discovery Bay residents can expect to pay median rent of $2,897/month while earning a median household income of $154,792/year.
The median home value in Discovery Bay, CA is $789,400, with typical monthly owner costs around $3,058 including mortgage, insurance, and taxes. The median rent-to-income ratio of 22.5% means housing is relatively affordable here — well below the 30% threshold that HUD considers cost-burdened.
California's top income tax rate of 13.3% is among the highest in the nation, adding to the overall cost burden. Combined with a 7.25% sales tax rate and 0.71% effective property tax rate, the overall tax environment is a factor in the total cost of living in Discovery Bay.
Common questions about living costs in Discovery Bay