4+ Bedroom Apartment Rent in Foster City, CA
Median asking rent for a 4+ bedroom apartment in Foster City, California as of August 2026. That's +40% higher than the citywide median of $4,317 and +140% above the national 4+ bedroom median of $2,522.
Income needed for a 4+ bedroom in Foster City
Using the standard 30% rent-to-income guideline (the threshold above which households are considered rent-burdened), here's what you need to earn to comfortably afford a 4+ bedroom at the current median rent.
Rent by apartment size in Foster City
Compare Foster City's median rent across every apartment size.
Cheapest cities for a 4+ bedroom in California
| # | City | 4+ Bedroom rent |
|---|---|---|
| 1 | Ridgecrest | $1,879 |
| 2 | Taft | $1,930 |
| 3 | Lakeport | $1,980 |
| 4 | Barstow | $1,991 |
| 5 | California City | $2,070 |
| 6 | Florin | $2,076 |
| 7 | Clearlake | $2,100 |
| 8 | Maywood | $2,169 |
| 9 | Porterville | $2,210 |
| 10 | Oroville | $2,215 |
| 11 | El Centro | $2,220 |
| 12 | Paradise | $2,230 |
| 13 | Red Bluff | $2,230 |
| 14 | La Riviera | $2,250 |
| 15 | Eureka | $2,280 |
Most expensive cities for a 4+ bedroom in California
| # | City | 4+ Bedroom rent |
|---|---|---|
| 1 | Coronado | $6,970 |
| 2 | Solana Beach | $6,500 |
| 3 | Santa Cruz | $6,455 |
| 4 | Cupertino | $6,370 |
| 5 | Scotts Valley | $6,270 |
| 6 | Ladera Ranch | $6,270 |
| 7 | Aptos | $6,270 |
| 8 | Newport Beach | $6,188 |
| 9 | Foster City (this page) | $6,050 |
| 10 | Irvine | $5,986 |
| 11 | Carlsbad | $5,908 |
| 12 | Los Altos | $5,850 |
| 13 | Encinitas | $5,820 |
| 14 | Laguna Beach | $5,770 |
| 15 | Chula Vista | $5,738 |
Nearby cities — 4+ bedroom rent
Considering nearby alternatives? 5 of these cities have cheaper 4+ bedroom rents than Foster City.
| City | Distance | 4+ Bedroom rent | vs Foster City |
|---|---|---|---|
| Belmont, CA | 3.6 mi | $4,890 | $-1,160 (-19%) |
| San Mateo, CA | 3.8 mi | $4,907 | $-1,143 (-19%) |
| San Carlos, CA | 4.1 mi | $4,710 | $-1,340 (-22%) |
| Redwood City, CA | 5 mi | $4,960 | $-1,090 (-18%) |
| Burlingame, CA | 5.7 mi | $3,501 | $-2,549 (-42%) |
| Menlo Park, CA | 9.3 mi | $4,960 | $-1,090 (-18%) |
| Millbrae, CA | 9.7 mi | $5,400 | $-650 (-11%) |
| Half Moon Bay, CA | 11.6 mi | $4,030 | $-2,020 (-33%) |
| Palo Alto, CA | 12.4 mi | $5,420 | $-630 (-10%) |
| San Lorenzo, CA | 12.4 mi | $4,030 | $-2,020 (-33%) |
| San Bruno, CA | 12.4 mi | $4,230 | $-1,820 (-30%) |
| East Palo Alto, CA | 12.5 mi | $4,090 | $-1,960 (-32%) |
4+ Bedroom rent in Foster City — common questions
How much is a 4+ bedroom apartment in Foster City?
As of August 2026, the median 4+ bedroom apartment rent in Foster City, California is $6,050 per month. This is +40% higher than the citywide median of $4,317.
What income do you need to afford a 4+ bedroom in Foster City?
Using the standard 30% rent-to-income rule, you would need an annual income of about $242,000 ($20,167/month gross), which works out to roughly $116.35/hour at a full-time job.
Is Foster City expensive for a 4+ bedroom compared to the rest of the US?
Foster City's 4+ bedroom median of $6,050 is +140% above the national 4+ bedroom median of $2,522. It ranks in the 100th percentile of US cities tracked.
How does Foster City rank for 4+ bedroom rent in California?
Among the 379 cities in California with 4+ bedroom data, Foster City ranks #371 from cheapest to most expensive.
Are there cheaper 4+ bedroom options near Foster City?
Yes — nearby cities with cheaper 4+ bedroom rents include Belmont ($4,890), San Mateo ($4,907), San Carlos ($4,710).