South San Francisco Security Deposit Calculator (2026) — Free
One missed deadline. One wrong deduction. That's all it takes to owe 2x penalties in South San Francisco. Calculate your exact limits before it costs you.
Calculate Your Security Deposit Limits
Results for South San Francisco, CA
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result
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deadline / notice
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penalty if violated
South San Francisco Security Deposit by Unit Size
Here are the amounts at South San Francisco's current Fair Market Rents:
| Unit Size | Median Rent | Max Deposit (1mo) | Penalty Risk |
|---|---|---|---|
| Studio | $2,485/mo | $2,485 | $4,970 |
| 1-Bedroom | $2,977/mo | $2,977 | $5,954 |
| 2-Bedroom | $3,604/mo | $3,604 | $7,208 |
| 3-Bedroom | $4,604/mo | $4,604 | $9,208 |
| 4-Bedroom | $4,772/mo | $4,772 | $9,544 |
Rents based on HUD Fair Market Rents (FY2026) for San Mateo County.
Penalty Warning
If you fail to return the deposit within 21 days, a South San Francisco tenant can sue for up to 2x the amount wrongfully withheld, plus attorney fees. Tenant may sue for wrongful withholding; bad faith may result in 2x damages
Track deposit deadlines and return requirements automatically for every property in South San Francisco
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For the full breakdown of rules, deadlines, and procedures, see our South San Francisco Security Deposit Laws guide.
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Reviewed by Rachid Abadli
Founder & CEO, LeaseBase · Sacramento landlord · Self-managing since 2019
LeaseBase is a property management platform — not a law firm. Consult an attorney for legal advice specific to your situation.
